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fastjson.drawio
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fastjson.drawio
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<mxCell id="O2tCoPHxbhI8zbObZZQl-3" value="<div style="font-size: 11px;">final ObjectWriterProvider <b>provider</b> = defaultObjectWriterProvider;</div><div style="font-size: 11px;">final JSONWriter.Context <b>context</b> = new JSONWriter.Context(<b>provider</b>);</div><div style="font-size: 11px;"><font color="#007fff"><b>// 1 创建JSON格式的Writer, ObjectWriter 借助 JSONWriter 对字段值序列化输出</b></font></div><div style="font-size: 11px;">try (JSONWriter <b>writer</b> = JSONWriter.of(<b>context</b>)) {</div><div style="font-size: 11px;">&nbsp; &nbsp; if (object == null) {</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; writer.writeNull();</div><div style="font-size: 11px;">&nbsp; &nbsp; } else {</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; writer.<b>rootObject</b> = object;</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; writer.<b>path</b> = JSONWriter.Path.ROOT;</div><div style="font-size: 11px;"><br style="font-size: 11px;"></div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; Class&lt;?&gt; <b>valueClass</b> = object.getClass();</div><div style="font-size: 11px;"><font color="#007fff"><span style="font-weight: bold;"><span style="">&nbsp; &nbsp; &nbsp; &nbsp; </span></span>// 如果要序列化的对象是 JSONObject.class 且 features == 0</font></div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; if (valueClass == JSONObject.class &amp;&amp; context.features == 0) {</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <b>writer</b>.<b>write</b>((JSONObject) object);</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; }&nbsp;</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; <b><font color="#007fff">// 要序列化的对象非 JSONObject.class 或 features != 0</font></b><br></div><div style="font-size: 11px;"><span style=""><span style="white-space: pre;">&nbsp;&nbsp;&nbsp;&nbsp; </span></span>else {</div><div style="font-size: 11px;"><b><font color="#007fff"><span style="white-space: pre;">	</span>&nbsp; &nbsp; // 2 内部先看是否缓存过这个类型的 ObjectWriter, 有直接返回没有ASM创建类型然后类加载并实例化</font><br></b></div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ObjectWriter&lt;?&gt; <b>objectWriter</b> = provider.<b>getObjectWriter</b>(</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; valueClass,&nbsp;<span style="background-color: initial;">valueClass,</span></div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (defaultWriterFeatures &amp; JSONWriter.Feature.FieldBased.mask) != 0</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; );</div><div style="font-size: 11px;"><b><span style="white-space: pre;">	</span>&nbsp; &nbsp; <font color="#007fff">// 3 ObjectWriter 需要 JSONWriter 序列化输出</font></b></div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <b>objectWriter</b>.<b>write</b>(writer, object, null, null, 0);</div><div style="font-size: 11px;">&nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 11px;">&nbsp; &nbsp; }</div><div style="font-size: 11px;">&nbsp; &nbsp; return writer.<b>toString</b>();</div><div style="font-size: 11px;">} catch (NullPointerException | NumberFormatException e) {</div><div style="font-size: 11px;">&nbsp; &nbsp; throw new JSONException("JSON#toJSONString cannot serialize '" + object + "'", e);</div><div style="font-size: 11px;">}</div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=11;arcSize=3;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-5" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>JSONFactory</b><br style="font-size: 11px;"></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;"><span style="background-color: initial;">static long defaultWriterFeatures;</span><br></p><p style="margin: 0px 0px 0px 4px;"><span style="background-color: initial;">static String defaultWriterFormat;<br></span></p><p style="margin: 0px 0px 0px 4px;"><span style="background-color: initial;">static ZoneId defaultWriterZoneId;<br></span></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><span style="background-color: initial;">...</span></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><span style="background-color: initial;">static final ObjectWriterProvider defaultObjectWriterProvider = new ObjectWriterProvider();</span><br></p><p style="margin: 0px 0px 0px 4px;">static final ObjectReaderProvider defaultObjectReaderProvider = new ObjectReaderProvider();</p><p style="margin: 0px 0px 0px 4px;">...</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-6" value="<p style="margin: 4px 0px 0px; text-align: center; font-size: 11px;"><b style="font-size: 11px;">ObjectWriterProvider</b><br style="font-size: 11px;"></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><font color="#007fff">// 缓存的通过Setter绑定数据的类型的ObjectWriter</font></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">final ConcurrentMap&lt;Type, ObjectWriter&gt; <b>cache</b> = new ConcurrentHashMap&lt;&gt;();</p><p style="border-color: var(--border-color); margin: 0px 0px 0px 4px;"><font style="border-color: var(--border-color);" color="#007fff">// 缓存的通过Filed绑定数据的类型的ObjectWriter</font></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">final ConcurrentMap&lt;Type, ObjectWriter&gt; <b>cacheFieldBased</b> = new ConcurrentHashMap&lt;&gt;();</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">final ConcurrentMap&lt;Class, Class&gt; <b>mixInCache</b> = new ConcurrentHashMap&lt;&gt;();、</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><font color="#007fff"><b>// 默认使用的 ObjectWriterCreator，有2种实现， 默认使用ObjectWriterCreatorASM.INSTANCE, 通过 ASM 生成ObjectWriter;</b></font></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><font color="#007fff"><b>如果通过系统属性 fastjson2.creator（默认 asm）设置 reflect 或 lambda 则通过 ObjectWriterCreator 生成&nbsp; ObjectWriter</b></font></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><font color="#007fff">旧版本还有其他两种实现 ObejctWriterCreatorLambda ObjectWriterCreatorDynamicCompile (但是新版本这两种实现已经从核心代码移除了，可能转移了)</font></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">final ObjectWriterCreator <b>creator</b>;</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><font color="#007fff">//</font></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">final List&lt;ObjectWriterModule&gt; <b>modules</b> = new ArrayList&lt;&gt;();</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">PropertyNamingStrategy <b>namingStrategy</b>;</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br style="font-size: 11px;"></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">boolean disableReferenceDetect = JSONFactory.isDisableReferenceDetect();</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">boolean disableArrayMapping = JSONFactory.isDisableArrayMapping();</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">boolean disableJSONB = JSONFactory.isDisableJSONB();</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">boolean disableAutoType = JSONFactory.isDisableAutoType();</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br style="font-size: 11px;"></p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">volatile long userDefineMask;</p><p style="margin: 0px 0px 0px 4px; font-size: 11px;">boolean alphabetic = JSONFactory.isDefaultWriterAlphabetic();</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-9" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>JSONWriter (A)</b><br style="font-size: 11px;"></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><font color="#007fff">// JSONWriter$Context 实例</font></p><p style="margin: 0px 0px 0px 4px;">public final Context <b>context</b>;</p><p style="margin: 0px 0px 0px 4px;">public final boolean utf8;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 是否使用 UTF-16 编码格式</font></p><p style="margin: 0px 0px 0px 4px;">public final boolean <b>utf16</b>;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 是否使用 JSONB 格式，即 JSON 二进制格式，默认false</font></p><p style="margin: 0px 0px 0px 4px;">public final boolean jsonb;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 是否使用单引号，默认是false 默认使用双引号</font></p><p style="margin: 0px 0px 0px 4px;">public final boolean <b>useSingleQuote</b>;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">//</font></p><p style="margin: 0px 0px 0px 4px;">public final SymbolTable symbolTable;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 序列化编码格式，默认使用 UTF-16 编码格式</font></p><p style="margin: 0px 0px 0px 4px;">protected final Charset <b>charset</b>;</p><p style="margin: 0px 0px 0px 4px;">protected final char quote;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">//</font></p><p style="margin: 0px 0px 0px 4px;">protected final int <b>maxArraySize</b>;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">protected boolean startObject;</p><p style="margin: 0px 0px 0px 4px;">protected int level;</p><p style="margin: 0px 0px 0px 4px;">protected int off;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 要序列化的目标对象</font></p><p style="margin: 0px 0px 0px 4px;">protected Object <b>rootObject</b>;</p><p style="margin: 0px 0px 0px 4px;">protected IdentityHashMap&lt;Object, Path&gt; refs;</p><p style="margin: 0px 0px 0px 4px;">protected Path path;</p><p style="margin: 0px 0px 0px 4px;">protected String lastReference;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 是否格式化，默认是压缩形式</font></p><p style="margin: 0px 0px 0px 4px;">protected boolean pretty;</p><p style="margin: 0px 0px 0px 4px;">protected int <b>indent</b>;</p><p style="margin: 0px 0px 0px 4px;">protected Object attachment;</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-10" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>JSONWriter$Context</b></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p><p style="margin: 0px 0px 0px 4px;">public final ObjectWriterProvider <b>provider</b>;</p><p style="margin: 0px 0px 0px 4px;">DateTimeFormatter dateFormatter;</p><p style="margin: 0px 0px 0px 4px;">String dateFormat;</p><p style="margin: 0px 0px 0px 4px;">Locale locale;</p><p style="margin: 0px 0px 0px 4px;">boolean dateFormatMillis;</p><p style="margin: 0px 0px 0px 4px;">boolean dateFormatISO8601;</p><p style="margin: 0px 0px 0px 4px;">boolean dateFormatUnixTime;</p><p style="margin: 0px 0px 0px 4px;">boolean formatyyyyMMddhhmmss19;</p><p style="margin: 0px 0px 0px 4px;">boolean formatHasDay;</p><p style="margin: 0px 0px 0px 4px;">boolean formatHasHour;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 里面使用 bit 表示一些配置, 具体参考Feature，比如第21bit 表示是否使用单引号&nbsp;</font></p><p style="margin: 0px 0px 0px 4px;">long <b>features</b>;</p><p style="margin: 0px 0px 0px 4px;">ZoneId zoneId;</p><p style="margin: 0px 0px 0px 4px;">int maxLevel = 2048;</p><p style="margin: 0px 0px 0px 4px;">boolean hasFilter;</p><p style="margin: 0px 0px 0px 4px;">PropertyPreFilter propertyPreFilter;</p><p style="margin: 0px 0px 0px 4px;">PropertyFilter propertyFilter;</p><p style="margin: 0px 0px 0px 4px;">NameFilter nameFilter;</p><p style="margin: 0px 0px 0px 4px;">ValueFilter valueFilter;</p><p style="margin: 0px 0px 0px 4px;">BeforeFilter beforeFilter;</p><p style="margin: 0px 0px 0px 4px;">AfterFilter afterFilter;</p><p style="margin: 0px 0px 0px 4px;">LabelFilter labelFilter;</p><p style="margin: 0px 0px 0px 4px;">ContextValueFilter contextValueFilter;</p><p style="margin: 0px 0px 0px 4px;">ContextNameFilter contextNameFilter;</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-11" value="<div style=""><div style="">public static JSONWriter of(Context context) {</div><div style="">&nbsp; &nbsp; ...</div><div style="">&nbsp; &nbsp; JSONWriter jsonWriter;</div><div style="">&nbsp; &nbsp; if (<b>JVM_VERSION == 8</b>) {<font color="#007fff"> // java.specification.version</font></div><div style=""><font color="#007fff"><span style=""><span style="white-space: pre;">&nbsp;&nbsp;&nbsp;&nbsp; </span></span>// String.class value字段不为空 &amp;&amp; 非安卓VM &amp;&amp; 非OpenJ9虚拟机<br></font></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; if (FIELD_STRING_VALUE != null &amp;&amp; !ANDROID &amp;&amp; !OPENJ9) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; jsonWriter = new <b>JSONWriterUTF16JDK8UF</b>(context);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; jsonWriter = new JSONWriterUTF16JDK8(context);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; } else if ((context.features &amp; OptimizedForAscii.mask) != 0) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="">&nbsp; &nbsp; } else {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="">&nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; return <b>jsonWriter</b>;</div><div style="">}</div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=11;arcSize=3;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-21" value="<div style=""><div style=""><div>private ObjectWriter <b>getObjectWriterInternal</b>(Type objectType, Class objectClass, boolean fieldBased) {</div><div><font color="#007fff"><b>&nbsp; &nbsp; // 通过父类型创建对应的ObjectWriter</b></font></div><div>&nbsp; &nbsp; Class superclass = objectClass.<b>getSuperclass</b>();</div><div><font color="#007fff">&nbsp; &nbsp; // 枚举类型 ...</font></div><div><br></div><div><font color="#007fff">&nbsp; &nbsp; // 非枚举类型</font></div><div><font color="#007fff">&nbsp; &nbsp; // 如果设置了通过Filed绑定数据，先检查类型是否支持这么做</font></div><div>&nbsp; &nbsp; final String className = objectClass.getName();</div><div>&nbsp; &nbsp; if (<b>fieldBased</b>) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; if (superclass != null</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &amp;&amp; superclass != Object.class</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &amp;&amp; "com.google.protobuf.GeneratedMessageV3".equals(superclass.getName())) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldBased = false;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; switch (className) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case "springfox.documentation.spring.web.json.Json":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case "cn.hutool.json.JSONArray":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case "cn.hutool.json.JSONObject":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case "cn.hutool.core.map.CaseInsensitiveMap":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case "cn.hutool.core.map.CaseInsensitiveLinkedMap":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldBased = false;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; default:</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; } else {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; switch (className) {</div><div><font color="#007fff"><span style=""><span style="">&nbsp;&nbsp;&nbsp;&nbsp;</span></span>&nbsp; &nbsp; // 这种类型必须通过 Field 绑定数据</font><br></div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case "org.springframework.core.ResolvableType":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldBased = true;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; default:</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; }</div><div><br></div><div><font color="#007fff"><b>&nbsp; &nbsp; //还是先判断缓存，不存在再创建类型的ObjectWriter</b></font></div><div>&nbsp; &nbsp; ObjectWriter objectWriter = fieldBased</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ? cacheFieldBased.get(objectType)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : cache.get(objectType);</div><div>&nbsp; &nbsp; if (objectWriter != null) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; return objectWriter;</div><div>&nbsp; &nbsp; }</div><div><font color="#007fff">&nbsp; &nbsp; // 序列化目标类型是否是代理类型，这里支持识别 Spring CgLib、Javasist、Hibernate等代理类</font></div><div>&nbsp; &nbsp; if (TypeUtils.<b>isProxy</b>(objectClass)) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div>&nbsp; &nbsp; }</div><div><br></div><div>&nbsp; &nbsp; boolean useModules = true;</div><div>&nbsp; &nbsp; if (fieldBased) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; if (Iterable.class.isAssignableFrom(objectClass)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &amp;&amp; !Collection.class.isAssignableFrom(objectClass)) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; useModules = false;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; }</div><div><br></div><div><font color="#007fff"><b>&nbsp; &nbsp; // 是否使用模块，初始化时默认会注册一个&nbsp;ObjectWriterBaseModule</b></font></div><div>&nbsp; &nbsp; if (<b>useModules</b>) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; for (int i = 0; i &lt; modules.size(); i++) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ObjectWriterModule module = modules.get(i);</div><div><b><font color="#007fff"><span style=""><span style="white-space: pre;">&nbsp;&nbsp;&nbsp;&nbsp;</span></span>&nbsp; &nbsp; // 内部根据objectType判断应该使用哪种ObjectWriter实现，定义了很多类型都有对应的ObjectWriter单例实现</font></b><br></div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectWriter = module.<b>getObjectWriter</b>(objectType, objectClass);</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (objectWriter != null) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ObjectWriter previous = fieldBased</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ? cacheFieldBased.putIfAbsent(objectType, objectWriter)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; : cache.putIfAbsent(objectType, objectWriter);</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (previous != null) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectWriter = previous;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return objectWriter;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; }</div><div><font color="#007fff">&nbsp; &nbsp; // 为特殊类型创建特殊的ObjectWriter，先略</font></div><div>&nbsp; &nbsp; switch (className) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.google.common.collect.HashMultimap":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.google.common.collect.LinkedListMultimap":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.google.common.collect.LinkedHashMultimap":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.google.common.collect.ArrayListMultimap":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.google.common.collect.TreeMultimap":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectWriter = GuavaSupport.createAsMapWriter(objectClass);</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.google.common.collect.AbstractMapBasedMultimap$RandomAccessWrappedList":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectWriter = ObjectWriterImplList.INSTANCE;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.alibaba.fastjson.JSONObject":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectWriter = ObjectWriterImplMap.of(objectClass);</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "android.net.Uri$OpaqueUri":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "android.net.Uri$HierarchicalUri":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "android.net.Uri$StringUri":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectWriter = ObjectWriterImplToString.INSTANCE;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; case "com.clickhouse.data.value.UnsignedLong":</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectWriter = new ObjectWriterImplToString(true);</div><div>&nbsp; &nbsp; &nbsp; &nbsp; default:</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div>&nbsp; &nbsp; }</div><div>&nbsp; &nbsp; if (objectWriter == null</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &amp;&amp; (!fieldBased)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &amp;&amp; Map.class.isAssignableFrom(objectClass)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &amp;&amp; BeanUtils.isExtendedMap(objectClass)) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; return ObjectWriterImplMap.of(objectClass);</div><div>&nbsp; &nbsp; }</div><div><br></div><div><font color="#007fff">&nbsp; &nbsp; // 上面的判断都不符合此测试中的 User.class&nbsp;</font></div><div>&nbsp; &nbsp; if (objectWriter == null) {</div><div><font color="#007fff"><b>&nbsp; &nbsp; &nbsp; &nbsp; // 默认是&nbsp;ObjectWriterCreatorASM.INSTANCE，内部通过 ASM 生成 ObjectWriter 实现类</b></font></div><div>&nbsp; &nbsp; &nbsp; &nbsp; ObjectWriterCreator creator = <b>getCreator</b>();</div><div>&nbsp; &nbsp; &nbsp; &nbsp; objectWriter = creator.<b>createObjectWriter</b>(</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; objectClass,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldBased ? 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<mxCell id="O2tCoPHxbhI8zbObZZQl-26" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>ObjectWriterBaseModule</b><br style="font-size: 11px;"></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">指定了一些类型对应的 ObjectWriter 实现</font></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><br></font></p><p style="margin: 0px 0px 0px 4px;">static ObjectWriterAdapter STACK_TRACE_ELEMENT_WRITER;<br></p><p style="margin: 0px 0px 0px 4px;">final ObjectWriterProvider provider;</p><p style="margin: 0px 0px 0px 4px;">final WriterAnnotationProcessor <b>annotationProcessor</b>;</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-29" value="<font color="#007fff" style="font-size: 10px;">这里的user 是自定义 User 类型，父类Object,<br>内部包含两个字段，String username; Integer age;&nbsp;<br>以及对应的 Getter Setter 方法</font>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-30" value="<font color="#007fff">从这个过程可以看到很多类都有自己的 ObjectWriter 单例实现<br>估计是这个序列化的流程很多类无法复用，必须针对地进行定制，<br>所以 Fastjson 的源码量才会那么大（仅核心非测试代码就有十几万行）</font>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" parent="1" vertex="1">
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<mxCell id="O2tCoPHxbhI8zbObZZQl-31" value="<div style=""><div style=""><div>public ObjectWriterCreator getCreator() {</div><div>&nbsp; &nbsp; ObjectWriterCreator contextCreator = JSONFactory.<b>getContextWriterCreator</b>();</div><div>&nbsp; &nbsp; if (contextCreator != null) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; return contextCreator;</div><div>&nbsp; &nbsp; }</div><div>&nbsp; &nbsp; return <b>creator</b>;</div><div>}</div></div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=11;arcSize=3;" parent="1" vertex="1">
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<mxCell id="9sC5CoJF8o419bWHhUuv-1" value="<div style=""><div style=""><b><font color="#007fff">分析待序列化字段，并生成对应字段的 FieldWriter</font></b></div><div style="">...</div><div style="">return jitWriter(objectClass, provider, <b>beanInfo</b>, <b>fieldWriters</b>, <b>writerFeatures</b>);<br></div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=11;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="9sC5CoJF8o419bWHhUuv-3" value="<div style=""><div style=""><div><font color="#007fff"><b>// 先通过ASM生成 ObjectWriter 类，比如此测试生成的是&nbsp;</b></font><font color="#007fff"><b>OWG_1_2_User</b></font></div><div>cw.visit(Opcodes.V1_8,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_SUPER,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; classNameType,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; objectWriterSupper,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; INTERFACES</div><div>);</div><div><font color="#007fff">... 省略了很多生成 ObjectWriter 类的代码 ...</font></div><div>byte[] code = cw.<b>toByteArray</b>();<br></div><div><div>{ <font color="#007fff"><b>// 这里是自己手动添加一些代码将字节码打印到class文件</b></font></div><div>&nbsp; &nbsp; try {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; String classPath = "/tmp/fastjson2/generated/" + classNameType + ".class";</div><div>&nbsp; &nbsp; &nbsp; &nbsp; Path path = Paths.get(classPath);</div><div>&nbsp; &nbsp; &nbsp; &nbsp; if (!Files.exists(path)) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Files.createDirectories(path.getParent());</div><div>&nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; &nbsp; &nbsp; Files.write(path, code);</div><div>&nbsp; &nbsp; } catch (IOException e) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; e.printStackTrace();</div><div>&nbsp; &nbsp; }</div><div>}</div></div><div><font color="#007fff"><b>// 然后加载</b></font></div><div>Class&lt;?&gt; deserClass = classLoader.defineClassPublic(classNameFull, code, 0, code.length);<br></div><div><font color="#007fff"><b>// 实例化</b></font></div><div><div>ObjectWriterAdapter <b>objectWriter</b> = (ObjectWriterAdapter) constructor.<b>newInstance</b>(</div><div>&nbsp; &nbsp; &nbsp; &nbsp; objectClass,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; <b>beanInfo</b>.typeKey,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; <b>beanInfo</b>.typeName,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; <b>writerFeatures</b>,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; <b>fieldWriters</b></div><div>);</div><div>if (beanInfo.serializeFilters != null) {</div><div>&nbsp; &nbsp; configSerializeFilters(beanInfo, objectWriter);</div><div>}</div><div>return <b>objectWriter</b>;</div></div></div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=11;arcSize=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="9sC5CoJF8o419bWHhUuv-6" value="<div style=""><div style=""><div style="font-size: 10px;"><font color="#007fff"><b>//这是测试中 Fastjson2 针对 User 类型动态生成的 ObjectWriter 类型</b></font></div><div style="font-size: 10px;">public final class <b>OWG_1_2_User</b> extends <b>ObjectWriter2</b> implements <b>ObjectWriter</b> {</div><div style="font-size: 10px;">&nbsp; &nbsp; <font color="#007fff">// 参数依次是 序列化目标对象Class类型、beanInfo.typeKey、beanInfo.typeName、writeFeature、fieldWriters</font></div><div style="font-size: 10px;">&nbsp; &nbsp; public OWG_1_2_User(Class var1, String var2, String var3, long var4, List var6) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; super(var1, var2, var3, var4, var6);</div><div style="font-size: 10px;">&nbsp; &nbsp; }</div><div style="font-size: 10px;"><br style="font-size: 10px;"></div><div style="font-size: 10px;">&nbsp; &nbsp; public void writeJSONB(JSONWriter var1, Object var2, Object var3, Type var4, long var5) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="font-size: 10px;">&nbsp; &nbsp; }</div><div style="font-size: 10px;"><font color="#007fff"><b>&nbsp; &nbsp; // 这里只关注这个序列化方法</b></font></div><div style="font-size: 10px;">&nbsp; &nbsp; public void <b>write</b>(JSONWriter <b>var1</b>, Object var2, Object var3, Type var4, long var5) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; long <b>var8</b> = var1.getFeatures();</div><div style="font-size: 10px;"><font color="#007fff"><span style=""><span style="">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span></span>// 是否使用单引号</font><br></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; boolean var10 = !var1.useSingleQuote &amp;&amp; (var8 &amp; 274878955520L) == 0L;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; long var17;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; int var12 = (var17 = (var8 &amp; 4096L) - 0L) == 0L ? 0 : (var17 &lt; 0L ? -1 : 1);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; if (var12 != 0) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; boolean var13 = false;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; long var18;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; int var16 = (var18 = (var8 &amp; 80L) - 0L) == 0L ? 0 : (var18 &lt; 0L ? -1 : 1);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;"><br style="font-size: 10px;"></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; if ((var8 &amp; 274877939712L) != 0L) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; super.<b>write</b>(var1, var2, var3, var4, var5);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; } else if (var1.jsonb) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((var8 &amp; 8L) != 0L) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.writeArrayMappingJSONB(var1, var2, var3, var4, var5);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.writeJSONB(var1, var2, var3, var4, var5);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; } else if ((var8 &amp; 8L) != 0L) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.<b>writeArrayMapping</b>(var1, var2, var3, var4, var5);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; } else if (this.hasFilter(var1)) { <font color="#007fff">// Filter用于写拓展</font></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.<b>writeWithFilter</b>(var1, var2, var3, var4, var5);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((var8 &amp; 2L) != 0L) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.writeNull();</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else if ((var8 &amp; 4L) != 0L) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.errorOnNoneSerializable();</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="font-size: 10px;"><font color="#007fff">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;// JSON开始大括号的左括号：“{”，如果 pretty = true, 还需要换行缩进</font></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.<b>startObject</b>();&nbsp;&nbsp;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; boolean var7 = true;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var2 != null &amp;&amp; var2.getClass() != var4 &amp;&amp; var1.isWriteTypeInfo(var2, var4, var5)) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var7 = this.writeTypeInfo(var1) ^ true;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;"><font color="#007fff"><span style=""><span style="">&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style=""><span style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span></span>// 写第一个字段 age, 字段经过字典序排序</font><br style="font-size: 10px;"></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Integer var14;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((var14 = ((User)var2).<b>getAge</b>()) == null) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((var8 &amp; 16777296L) != 0L) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.writeName3Raw(var10 ? 63919404572962L : 63940879409447L);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.writeNumberNull();</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else { <font style="font-size: 10px;" color="#007fff">// 先写字段名再写字段值， "age": ASCII 16进制编码依次是 22616765223a</font></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.<b>writeName3Raw</b>(var10 ? <b>63919404572962L</b> : 63940879409447L);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.<b>writeInt32</b>(var14);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;"><font color="#007fff"><span style=""><span style="">&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style=""><span style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span></span>// 写第二个字段 username</font><br style="font-size: 10px;"></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; String var15;</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((var15 = ((User)var2).<b>getUsername</b>()) != null) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((var8 &amp; 67108864L) == 0L || !var15.isEmpty()) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.<b>writeName8Raw</b>(7308604897285731189L);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.<b>writeString</b>((char[])JDKUtils.UNSAFE.getObject(var15, 12L));</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else if ((var8 &amp; 8388688L) != 0L &amp;&amp; (var8 &amp; 4096L) == 0L) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.writeName8Raw(7308604897285731189L);</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var1.isEnabled(8388672L)) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.writeString("");</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.writeStringNull();</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;"><font color="#007fff"><span style=""><span style="">&nbsp;&nbsp;&nbsp;&nbsp;</span></span><span style=""><span style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span></span>// 写最后一个大括号的右括号：“}”<br style="font-size: 10px;"></font></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.<b>endObject</b>();</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;"><br style="font-size: 10px;"></div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 10px;">&nbsp; &nbsp; }</div><div style="font-size: 10px;"><br style="font-size: 10px;"></div><div style="font-size: 10px;">&nbsp; &nbsp; public void writeArrayMappingJSONB(JSONWriter var1, Object var2, Object var3, Type var4, long var5) {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="font-size: 10px;">&nbsp; &nbsp; }</div><div style="font-size: 10px;"><br style="font-size: 10px;"></div><div style="font-size: 10px;">&nbsp; &nbsp; public void writeArrayMapping(JSONWriter var1, Object var2, Object var3, Type var4, long var5) <br>&nbsp; &nbsp; {</div><div style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="font-size: 10px;">&nbsp; &nbsp; }</div><div style="font-size: 10px;">}</div></div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=10;arcSize=1;fillColor=#f5f5f5;fontColor=#333333;strokeColor=#666666;" parent="1" vertex="1">
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<mxCell id="9sC5CoJF8o419bWHhUuv-8" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>ObjectWriterAdapter&lt;T&gt;</b><br style="font-size: 11px;"></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><b>对某个类型的序列化器，内部包含 FiledWriter</b></font></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><br></font></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// Filter 用于拓展序列化操作</font></p><p style="margin: 0px 0px 0px 4px;">boolean hasFilter;</p><p style="margin: 0px 0px 0px 4px;">PropertyPreFilter propertyPreFilter;</p><p style="margin: 0px 0px 0px 4px;">PropertyFilter propertyFilter;</p><p style="margin: 0px 0px 0px 4px;">NameFilter nameFilter;</p><p style="margin: 0px 0px 0px 4px;">ValueFilter valueFilter;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">static final String TYPE = "@type";</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// ObjectWriter 对应的目标类型</font></p><p style="margin: 0px 0px 0px 4px;">final Class <b>objectClass</b>;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">//&nbsp;需要序列化的字段对应的 FieldWriter</font></p><p style="margin: 0px 0px 0px 4px;">final List&lt;FieldWriter&gt; <b>fieldWriters</b>;</p><p style="margin: 0px 0px 0px 4px;">protected final FieldWriter[] <b>fieldWriterArray</b>;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">final String typeKey;</p><p style="margin: 0px 0px 0px 4px;">byte[] typeKeyJSONB;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 目标类型的全限定名</font></p><p style="margin: 0px 0px 0px 4px;">protected final String typeName;</p><p style="margin: 0px 0px 0px 4px;">protected final long typeNameHash;</p><p style="margin: 0px 0px 0px 4px;">protected long typeNameSymbolCache;</p><p style="margin: 0px 0px 0px 4px;">protected final byte[] typeNameJSONB;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">byte[] nameWithColonUTF8;</p><p style="margin: 0px 0px 0px 4px;">char[] nameWithColonUTF16;</p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 格式控制指标</font></p><p style="margin: 0px 0px 0px 4px;">final long <b>features</b>;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">final long[] hashCodes;</p><p style="margin: 0px 0px 0px 4px;">final short[] mapping;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">final boolean hasValueField;</p><p style="margin: 0px 0px 0px 4px;">final boolean serializable;</p><p style="margin: 0px 0px 0px 4px;">final boolean containsNoneFieldGetter;</p><p style="margin: 0px 0px 0px 4px;">final boolean googleCollection;</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
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<mxCell id="9sC5CoJF8o419bWHhUuv-9" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>Field</b><b style="background-color: initial;">Writer (A)</b></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><b><font color="#007fff">字段序列化器，有针对基本数据类型字段的、有针对对象类型字段的、有针对一些特殊对象类型字段的，用于生成 ObejctWriter 动态类型中字段序列化代码</font></b></p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">public final String fieldName;</p><p style="margin: 0px 0px 0px 4px;">public final Type fieldType;</p><p style="margin: 0px 0px 0px 4px;">public final Class fieldClass;</p><p style="margin: 0px 0px 0px 4px;">public final long features;</p><p style="margin: 0px 0px 0px 4px;">public final int ordinal;</p><p style="margin: 0px 0px 0px 4px;">public final String format;</p><p style="margin: 0px 0px 0px 4px;">public final Locale locale;</p><p style="margin: 0px 0px 0px 4px;">public final DecimalFormat decimalFormat;</p><p style="margin: 0px 0px 0px 4px;">public final String label;</p><p style="margin: 0px 0px 0px 4px;">public final Field field;</p><p style="margin: 0px 0px 0px 4px;">public final Method method;</p><p style="margin: 0px 0px 0px 4px;">protected final long fieldOffset;</p><p style="margin: 0px 0px 0px 4px;">protected final boolean primitive;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">final long hashCode;</p><p style="margin: 0px 0px 0px 4px;">final byte[] nameWithColonUTF8;</p><p style="margin: 0px 0px 0px 4px;">final char[] nameWithColonUTF16;</p><p style="margin: 0px 0px 0px 4px;">final byte[] nameJSONB;</p><p style="margin: 0px 0px 0px 4px;">long nameSymbolCache;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">final boolean fieldClassSerializable;</p><p style="margin: 0px 0px 0px 4px;">final JSONWriter.Path rootParentPath;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">final boolean symbol;</p><p style="margin: 0px 0px 0px 4px;">final boolean trim;</p><p style="margin: 0px 0px 0px 4px;">final boolean raw;</p><p style="margin: 0px 0px 0px 4px;">final boolean managedReference;</p><p style="margin: 0px 0px 0px 4px;">final boolean backReference;</p><p style="margin: 0px 0px 0px 4px;"><br></p><p style="margin: 0px 0px 0px 4px;">transient JSONWriter.Path path;</p><p style="margin: 0px 0px 0px 4px;">volatile ObjectWriter <b>initObjectWriter</b>;</p><p style="margin: 0px 0px 0px 4px;">Object defaultValue;</p><p style="margin: 0px 0px 0px 4px;"><br></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
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<mxCell id="9sC5CoJF8o419bWHhUuv-10" value="<font color="#007fff" style="font-size: 10px;"><div style="">序列化主体逻辑可以分为3部分：</div><div style="">1）通过Class解析一个类型需要序列化的部分（比如公共基本类型字段、有实现 Getter 方法的私有基本类型字段、对象类型字段、继承的字段等等），针对每个字段会创建一个 FieldWriter 实现对这个字段的序列化；</div><div style="">2）为此类型通过 ASM 字节码动态生成一个专属的 ObjectWriter 类进而加载并实例化，用于专门实现对这个类型对象的序列化写操作，通过这种方式避免了反射的低效性，而且 Fastjson 会缓存这些动态生成的 ObjectWriter 类，后续再序列化会很快；</div><div style="">3）使用 ObjectWriter 对每个字段进行序列化并追加到最终的序列化结果。</div></font>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=top;whiteSpace=wrap;rounded=0;" parent="1" vertex="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-1" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>ObjectWriter&lt;T&gt;</b><br style="font-size: 11px;"></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 读取输出格式控制</font></p><p style="margin: 0px 0px 0px 4px;">long getFeatures()<br></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 读取字段序列化器</font></p><p style="margin: 0px 0px 0px 4px;">List&lt;FieldWriter&gt; getFieldWriters()<br></p><p style="margin: 0px 0px 0px 4px;">FieldWriter getFieldWriter(long hashCode)<br></p><p style="margin: 0px 0px 0px 4px;">Object getFieldValue(Object object, String fieldName)<br></p><p style="margin: 0px 0px 0px 4px;">FieldWriter getFieldWriter(String name)<br></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">//</font></p><p style="margin: 0px 0px 0px 4px;">default boolean writeTypeInfo(JSONWriter jsonWriter)<br></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">//一些序列化写方法</font></p><p style="margin: 0px 0px 0px 4px;">void writeJSONB(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features)<br></p><p style="margin: 0px 0px 0px 4px;">void writeArrayMappingJSONB(JSONWriter jsonWriter, Object object)<br></p><p style="margin: 0px 0px 0px 4px;">void writeArrayMappingJSONB(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features)<br></p><p style="margin: 0px 0px 0px 4px;">void writeArrayMapping(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features)<br></p><p style="margin: 0px 0px 0px 4px;">void write(JSONWriter jsonWriter, Object object)<br></p><p style="margin: 0px 0px 0px 4px;">String toJSONString(T object, JSONWriter.Feature... features)<br></p><p style="margin: 0px 0px 0px 4px;">void write(JSONWriter jsonWriter, Object object, Object fieldName, Type fieldType, long features)<br></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// Filter 相关，Filter用于拓展序列化控制</font></p><p style="margin: 0px 0px 0px 4px;">boolean hasFilter(JSONWriter jsonWriter)<br></p><p style="margin: 0px 0px 0px 4px;">void setFilter(Filter filter)<br></p><p style="margin: 0px 0px 0px 4px;">default void writeWithFilter(JSONWriter jsonWriter, Object object)<br></p><p style="margin: 0px 0px 0px 4px;">...</p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-3" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>ObjectWriter1&lt;T&gt; -&nbsp;</b><b style="background-color: initial;">ObjectWriter12&lt;T&gt;&nbsp;</b></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><b>对某个类型的序列化器，数字代表参数个数，这么搞应该是为了提升性能，超过12个字段的类使用 ObjectWriterAdapter 写</b></font></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><br></font></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">// 字段序列化器，ObjectWriter2 表示内部有两个字段序列化器</font></p><p style="margin: 0px 0px 0px 4px;">public final FieldWriter <b>fieldWriter0</b>;</p><p style="margin: 0px 0px 0px 4px;">public final FieldWriter <b>fieldWriter1</b>;</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-5" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>OWG_1_2_User</b><br></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><b>自动生成的针对 User 类型的序列化器, 内部只是重写了序列化方法</b></font></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#f5f5f5;strokeColor=#666666;fontColor=#333333;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-7" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>FieldWriterStringMethod</b></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><b>这个类表示这个字段序列化器是针对String类型字段，使用Getter方法读字段值</b></font></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff">内部仅仅重写了FieldWriter 方法，没有拓展字段</font></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-10" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>FieldWriterStringFunc&lt;T&gt;</b><br></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><b>这个类表示这个字段序列化器是针对String类型字段，使用Function函数读字段值</b></font></p><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><b><br></b></font></p><p style="margin: 0px 0px 0px 4px;">final Function&lt;T, String&gt; function;</p><p style="margin: 0px 0px 0px 4px;">final boolean symbol;</p><p style="margin: 0px 0px 0px 4px;">final boolean trim;</p><p style="margin: 0px 0px 0px 4px;">final boolean raw;</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-12" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>FieldWriterStringFiled&lt;T&gt;</b><br></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;"><font color="#007fff"><b>这个类表示这个字段序列化器是针对String类型字段，使用Field对象反射读字段值或者通过 UNSAFE 读字段值</b></font></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-14" value="<div style=""><div style=""><div><span style="background-color: initial;">public final void writeName3Raw(long name) { <font color="#007fff">// 这里3表示3个字符</font></span><br></div><div>&nbsp; &nbsp; int off = this.off;</div><div>&nbsp; &nbsp; int minCapacity = off + 10 + indent;</div><div>&nbsp; &nbsp; if (minCapacity &gt;= this.chars.length) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; ensureCapacity(minCapacity);</div><div>&nbsp; &nbsp; }</div><div><br></div><div>&nbsp; &nbsp; char[] chars = this.<b>chars</b>;</div><div>&nbsp; &nbsp; if (<b>startObject</b>) {&nbsp;</div><div>&nbsp; &nbsp; &nbsp; &nbsp; startObject = false;</div><div>&nbsp; &nbsp; } else {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; chars[off++] = ',';</div><div>&nbsp; &nbsp; &nbsp; &nbsp; if (pretty) {</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; off = indent(chars, off, indent);</div><div>&nbsp; &nbsp; &nbsp; &nbsp; }</div><div>&nbsp; &nbsp; }</div><div><font color="#007fff"><b>&nbsp; &nbsp; // 字节数组中off索引位置开始追加字段名的UTF-16编码</b></font></div><div>&nbsp; &nbsp; putLong(chars, off, name);</div><div>&nbsp; &nbsp; this.off = off + 6;<font color="#007fff"> //3个字符加上 "": 一共6个字符</font></div><div>}</div></div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=11;arcSize=3;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-17" value="<div style=""><font size="1" color="#007fff" style=""><b style="font-size: 11px;">由于内部涉及 ASM 自动生成代码，自动生成的代码无法进入单步调试，建议将生成的字节码输出到class文件反编译，将反编译的类贴到源码中进行调试，比如像下面这样测试</b></font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;"><br></font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">@Test</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">public void testDynamicObjectWriter() throws NoSuchMethodException {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; User user = new User();</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; user.setUsername("Arvin");</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; user.setAge(18);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;"><br></font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; ObjectWriterProvider provider = new ObjectWriterProvider();</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; JSONWriter writer = JSONWriter.of(new JSONWriter.Context(provider));</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; writer.rootObject = user;</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; writer.path = JSONWriter.Path.ROOT;</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;"><br></font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; Class objectClass = User.class;</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; BeanInfo beanInfo = new BeanInfo(provider);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; provider.getBeanInfo(beanInfo, objectClass);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; long beanFeatures = beanInfo.writerFeatures;</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; long writerFieldFeatures = beanFeatures;</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; List&lt;FieldWriter&gt; fieldWriters = new ArrayList&lt;&gt;();</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; Map&lt;String, FieldWriter&gt; fieldWriterMap = new LinkedHashMap&lt;&gt;();</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; final FieldInfo fieldInfo = new FieldInfo();</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; // 提取 public 字段并创建对应的 FiledWriter</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; BeanUtils.declaredFields(objectClass, field -&gt; {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; fieldInfo.init();</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; fieldInfo.ignore = ((field.getModifiers() &amp; Modifier.PUBLIC) == 0 || (field.getModifiers() &amp; Modifier.TRANSIENT) != 0);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; FieldWriter fieldWriter = ObjectWriterCreatorASM.INSTANCE.publicCreteFieldWriter(objectClass, writerFieldFeatures, provider, beanInfo, fieldInfo, field);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; if (fieldWriter != null) {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; FieldWriter origin = fieldWriterMap.putIfAbsent(fieldWriter.fieldName, fieldWriter);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (origin != null) {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; int cmp = origin.compareTo(fieldWriter);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (cmp &gt; 0) {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldWriterMap.put(fieldWriter.fieldName, fieldWriter);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; }</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; });</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; // 提取有 getter 方法的字段并创建对应的 FiledWriter, 原实现比较复杂但是等效于下面代码</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; //BeanUtils.getters(objectClass, mixIn, beanInfo.kotlin, method -&gt; {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; String[][] fieldsInfo = new String[][]{</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {"username", "getUsername"},</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {"age", "getAge"}</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; };</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; for (String[] strings : fieldsInfo) {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; String fieldName = strings[0];</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; Method method = User.class.getMethod(strings[1]);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; FieldWriter fieldWriter = ObjectWriterCreatorASM.INSTANCE.publicCreateFieldWriter(</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; provider, objectClass, fieldName,</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldInfo.ordinal,</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldInfo.features,</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldInfo.format,</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldInfo.locale,</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldInfo.label,</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; method,</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; null //writeUsingWriter</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; );</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; FieldWriter origin = fieldWriterMap.putIfAbsent(fieldName, fieldWriter);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; if (origin != null &amp;&amp; origin.compareTo(fieldWriter) &gt; 0) {</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fieldWriterMap.put(fieldName, fieldWriter);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; &nbsp; &nbsp; }</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; }</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; //});</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; fieldWriters.addAll(fieldWriterMap.values());</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;"><br></font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; OWG_1_2_User objectWriter = new OWG_1_2_User(User.class, beanInfo.typeKey, beanInfo.typeName, writerFieldFeatures, fieldWriters);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; objectWriter.write(writer, user, null, null, 0);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; String result = writer.toString();</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">&nbsp; &nbsp; System.out.println(result);</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">}</font></div>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-19" value="<div style=""><div style=""><div><font color="#007fff">// 由于 name 是 各字符ASCII码16进制连起来得到的，而 UTF-16对 ASCII 每个字符要求占占两个字节，所以里面需要补0</font></div><div><font color="#007fff">// 比如&nbsp;</font><font color="#007fff">3a2265676122 （:"ega"） <b>经过下面转 UTF-16编码</b>是 003a00220065006700610022， 一共12Byte 需要通过 putLong 写两次（一次最多写8Byte）</font></div><div>private static void putLong(char[] chars, int off, long name) {</div><div><font color="#007fff">&nbsp; &nbsp; // 数组对象头部长：16， 已写入UTF-16字符编码长&nbsp; off &lt;&lt; 1</font></div><div>&nbsp; &nbsp; final long base = ARRAY_CHAR_BASE_OFFSET + (off &lt;&lt; 1);</div><div>&nbsp; &nbsp; UNSAFE.putLong(chars, base,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (name &amp; 0xFFL)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | ((name &amp; 0xFF00L) &lt;&lt; 8)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | ((name &amp; 0xFF_0000L) &lt;&lt; 16)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | ((name &amp; 0xFF00_0000L) &lt;&lt; 24));</div><div>&nbsp; &nbsp; UNSAFE.putLong(chars, base + 8,</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ((name &amp; 0xFF_0000_0000L) &gt;&gt; 32)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | ((name &amp; 0xFF00_0000_0000L) &gt;&gt; 24)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | ((name &amp; 0xFF_0000_0000_0000L) &gt;&gt; 16)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | ((name &amp; 0xFF00_0000_0000_0000L) &gt;&gt; 8));</div><div>}</div></div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=11;arcSize=3;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-21" value="<font color="#007fff">63919404572962L 16进制数是&nbsp;3a2265676122&nbsp;<br>即 :"ega"，即每个字符占1byte 连起来</font>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-22" value="<p style="margin: 4px 0px 0px; text-align: center;">ObjectWriterCreator</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><span style="background-color: initial;">public static final ObjectWriterCreator INSTANCE = new ObjectWriterCreator();</span><br></p><p style="margin: 0px 0px 0px 4px;">static final Map&lt;Class, LambdaInfo&gt; lambdaMapping = new HashMap&lt;&gt;();</p><p style="margin: 0px 0px 0px 4px;">protected final AtomicInteger jitErrorCount = new AtomicInteger();</p><p style="margin: 0px 0px 0px 4px;">protected volatile Throwable jitErrorLast;</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-23" value="<p style="margin: 4px 0px 0px; text-align: center;"><b>ObjectWriterCreatorASM</b></p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px;">public static final ObjectWriterCreatorASM INSTANCE = new ObjectWriterCreatorASM(</p><p style="margin: 0px 0px 0px 4px;">&nbsp; &nbsp; &nbsp; &nbsp; DynamicClassLoader.getInstance()</p><p style="margin: 0px 0px 0px 4px;">);</p><p style="margin: 0px 0px 0px 4px;">protected static final AtomicLong seed = new AtomicLong();</p><p style="margin: 0px 0px 0px 4px;">protected final DynamicClassLoader classLoader;</p><p style="margin: 0px 0px 0px 4px;">static final String[] INTERFACES = {TYPE_OBJECT_WRITER};</p><hr style="font-size: 11px;"><p style="margin: 0px 0px 0px 4px; font-size: 11px;"><br></p>" style="verticalAlign=top;align=left;overflow=fill;fontSize=11;fontFamily=Helvetica;html=1;whiteSpace=wrap;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-28" value="<font style="font-size: 10px;" color="#007fff">反序列化的数据结构实现和序列化过程是一致的，流程相反的<br><span style="">包含 JSONReader ObjectReader ObjectReaderProvider <br>ObjectReaderCreatorASM 等核心类</span><br></font>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" vertex="1" parent="1">
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<mxCell id="LhijFJnAiS_UeM6sa_ox-29" value="<div style=""><div style=""><div style="font-size: 10px;"><font color="#007fff"><b>//这是测试中 Fastjson2 针对 User 类型动态生成的 ObjectReader 类型</b></font></div><div style=""><div style="">public final class ORG_1_2_User extends ObjectReader2 {</div><div style="">&nbsp; &nbsp; public ORG_1_2_User(Class var1, Supplier var2, FieldReader[] var3) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; super(var1, (String)null, (String)null, 0L, (JSONSchema)null, var2, (Function)null, var3);</div><div style="">&nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; public Object createInstance(long var1) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; return new User();</div><div style="">&nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; public Object readJSONBObject(JSONReader var1, Type var2, Object var3, long var4) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="">&nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; public Object readArrayMappingJSONBObject(JSONReader var1, Type var2, Object var3, long var4) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="">&nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; public Object <b>readObject</b>(JSONReader <b>var1</b>, Type var2, Object var3, long var4) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; if (var1.jsonb) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return this.readJSONBObject(var1, var2, var3, var4);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User var6;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var1.<b>isArray</b>()) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var1.isSupportBeanArray(var4)) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.nextIfArrayStart();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User var10 = new User();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var1.isInitStringFieldAsEmpty()) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.initStringFieldAsEmpty(var10);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var6 = var10;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var6.setAge(var1.readInt32());</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; String var10003 = var1.readString();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var10003 != null) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var6.setUsername(var10003);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.nextIfArrayEnd();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.nextIfComma();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return var6;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return this.processObjectInputSingleItemArray(var1, var2, var3, var4);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (!var1.nextIfObjectStart() &amp;&amp; var1.nextIfNullOrEmptyString()) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var6 = null;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; User <b>var10001</b> = new User();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var1.isInitStringFieldAsEmpty()) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.initStringFieldAsEmpty(var10001);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var6 = var10001;</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; for(int var7 = 0; !var1.nextIfObjectEnd(); ++var7) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; switch (var1.<b>getRawInt</b>()) {&nbsp; <font color="#007fff">// 读取4个字符，内部通过UNSAFE 读 getLong 读8个字节, 由于英文每个字符UTF-16编码占两个字节，所以实际读取了4个字符</font></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case 1701273890:<font color="#007fff">&nbsp; // 实际是 ega" 的ASCII编码的10进制</font></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var1.nextIfName4Match3()) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var6.<b>setAge</b>(var1.readInt32());</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; continue;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case 1702065442:<font color="#007fff">&nbsp;// 实际是 esu" 的ASCII编码的10进制</font></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var1.nextIfName4Match8(1835101810, (byte)101)) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; String var10002 = var1.readString();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var10002 != null) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var6.<b>setUsername</b>(var10002);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; continue;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; long var8;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if ((var8 = var1.readFieldNameHashCode()) == -1L) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (var7 == 0 &amp;&amp; var8 == 435678704704L &amp;&amp; var1.isSupportAutoTypeOrHandler(var4)) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return this.<b>autoType</b>(var1, this.objectClass, var4);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.<b>readFieldValue</b>(var8, var1, var4, var6);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var1.nextIfComma();</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return var6;</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="">&nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; public FieldReader getFieldReader(long var1) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="">&nbsp; &nbsp; }</div><div style=""><br></div><div style="">&nbsp; &nbsp; public FieldReader getFieldReaderLCase(long var1) {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; ...</div><div style="">&nbsp; &nbsp; }</div><div style="">}</div><div style="font-size: 10px;"><br></div></div></div></div>" style="rounded=1;whiteSpace=wrap;html=1;align=left;fontSize=10;arcSize=1;fillColor=#f5f5f5;fontColor=#333333;strokeColor=#666666;" vertex="1" parent="1">
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