#3033 Fixed HttpMessageNotWritableException:

- Added serializers: ChronologySerializer, LocalDateTimeSerializer;
- Corrected package for SnippetContentGenerator, SnippetServletResponse (from org.scada_lts.web.contnet to org.scada_lts.web.content);

WebContent/WEB-INF/springDispatcher-servlet.xml

@@ -232,6 +232,8 @@
       <array>
         <bean class="org.scada_lts.web.security.XssProtectStringSerializer" />
         <bean class="org.scada_lts.web.security.XssProtectCssStyleSerializer" />
+        <bean class="org.scada_lts.web.beans.serializer.ChronologySerializer" />
+        <bean class="org.scada_lts.web.beans.serializer.LocalDateTimeSerializer" />
       </array>
     </property>
   </bean>

src/com/serotonin/mango/web/dwr/BaseDwr.java

@@ -51,7 +51,7 @@
 import org.scada_lts.mango.adapter.MangoEvent;
 import org.scada_lts.mango.service.EventService;
 import org.scada_lts.mango.service.SystemSettingsService;
-import org.scada_lts.web.contnet.SnippetContentGenerator;
+import org.scada_lts.web.content.SnippetContentGenerator;
 
 abstract public class BaseDwr {
     public static final String MODEL_ATTR_EVENTS = "events";

src/org/scada_lts/web/beans/serializer/ChronologySerializer.java

@@ -0,0 +1,24 @@
+package org.scada_lts.web.beans.serializer;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+
+import java.io.IOException;
+import java.time.chrono.Chronology;
+
+
+public class ChronologySerializer extends StdSerializer<Chronology> {
+
+    public ChronologySerializer() {
+        super(Chronology.class);
+    }
+
+    @Override
+    public void serialize(Chronology value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
+        jgen.writeStartObject();
+        jgen.writeStringField("id", value.getId());
+        jgen.writeStringField("calendarType", value.getCalendarType());
+        jgen.writeEndObject();
+    }
+}

src/org/scada_lts/web/beans/serializer/LocalDateTimeSerializer.java

@@ -0,0 +1,33 @@
+package org.scada_lts.web.beans.serializer;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+
+
+public class LocalDateTimeSerializer extends StdSerializer<LocalDateTime> {
+
+    public LocalDateTimeSerializer() {
+        super(LocalDateTime.class);
+    }
+
+    @Override
+    public void serialize(LocalDateTime value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
+        jgen.writeStartObject();
+        jgen.writeNumberField("nano", value.getNano());
+        jgen.writeNumberField("year", value.getYear());
+        jgen.writeNumberField("monthValue", value.getMonthValue());
+        jgen.writeNumberField("dayOfMonth", value.getDayOfMonth());
+        jgen.writeNumberField("hour", value.getHour());
+        jgen.writeNumberField("minute", value.getMinute());
+        jgen.writeNumberField("second", value.getSecond());
+        jgen.writeStringField("month", value.getMonth().name());
+        jgen.writeStringField("dayOfWeek", value.getDayOfWeek().name());
+        jgen.writeNumberField("dayOfYear", value.getDayOfYear());
+        jgen.writeObjectField("chronology", value.getChronology());
+        jgen.writeEndObject();
+    }
+}

src/org/scada_lts/web/contnet/SnippetContentGenerator.java → src/org/scada_lts/web/content/SnippetContentGenerator.java

@@ -1,4 +1,4 @@
-package org.scada_lts.web.contnet;
+package org.scada_lts.web.content;
 
 import java.io.IOException;
 import java.util.HashMap;

src/org/scada_lts/web/contnet/SnippetServletResponse.java → src/org/scada_lts/web/content/SnippetServletResponse.java

@@ -1,4 +1,4 @@
-package org.scada_lts.web.contnet;
+package org.scada_lts.web.content;
 
 import java.io.IOException;
 import java.io.PrintWriter;

test/com/serotonin/mango/web/dwr/MiscDwrDoLongPollAlarmsMultiThreadTest.java

@@ -15,7 +15,7 @@
 import org.powermock.modules.junit4.PowerMockRunner;
 import org.scada_lts.dao.SystemSettingsDAO;
 import org.scada_lts.mango.service.EventService;
-import org.scada_lts.web.contnet.SnippetContentGenerator;
+import org.scada_lts.web.content.SnippetContentGenerator;
 import org.springframework.mock.web.MockHttpSession;
 import utils.TestConcurrentUtils;
 import utils.mock.EventServiceMock;

test/com/serotonin/mango/web/dwr/MiscDwrDoLongPollMultiThreadTest.java

@@ -30,7 +30,7 @@
 import org.scada_lts.dao.SystemSettingsDAO;
 import org.scada_lts.mango.service.EventService;
 import org.scada_lts.mango.service.ViewService;
-import org.scada_lts.web.contnet.SnippetContentGenerator;
+import org.scada_lts.web.content.SnippetContentGenerator;
 import org.springframework.mock.web.MockHttpSession;
 import utils.*;
 import utils.mock.ChangePointValueDataPointRtMock;