Fixed rule download on Android O

README.md

@@ -78,8 +78,8 @@ Open Source Licenses
 
 Credits
 ------------
-* __[Jetbrains](https://www.jetbrains.com/)__ - For providing free license for [IntelliJ IDEA](https://www.jetbrains.com/idea/)
-* __[SNC IDC](http://www.sncidc.com/)__ - For supporting us with love
+* __[JetBrains](https://www.jetbrains.com/)__ - For providing free license for [IntelliJ IDEA](https://www.jetbrains.com/idea/)
+* __[ShenniaoTech](https://www.sncidc.com/)__ - For supporting us with love
 
 License
 ------------

app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java

@@ -16,6 +16,9 @@
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
 import org.itxtech.daedalus.Daedalus;
 import org.itxtech.daedalus.R;
 import org.itxtech.daedalus.activity.ConfigActivity;
@@ -24,8 +27,7 @@
 import org.itxtech.daedalus.widget.ClickPreference;
 
 import java.io.*;
-import java.net.URL;
-import java.net.URLConnection;
+import java.util.concurrent.TimeUnit;
 
 /**
  * Daedalus Project
@@ -39,6 +41,12 @@
  * (at your option) any later version.
  */
 public class RuleConfigFragment extends ConfigFragment {
+    private static final OkHttpClient HTTP_CLIENT = new OkHttpClient.Builder()
+            .connectTimeout(5, TimeUnit.SECONDS)
+            .readTimeout(10, TimeUnit.SECONDS)
+            .writeTimeout(10, TimeUnit.SECONDS)
+            .build();
+
     private static final int READ_REQUEST_CODE = 1;
     private Intent intent = null;
     private Thread mThread = null;
@@ -127,7 +135,6 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle sa
                             buffer.flush();
                             mHandler.obtainMessage(RuleConfigHandler.MSG_RULE_DOWNLOADED,
                                     new RuleData(ruleFilename.getText(), buffer.toByteArray())).sendToTarget();
-                            stopThread();
                         } catch (Exception e) {
                             Logger.logException(e);
                         } finally {
@@ -137,21 +144,20 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle sa
                 } else {
                     mThread = new Thread(() -> {
                         try {
-                            URLConnection connection = new URL(ruleDownloadUrl.getText()).openConnection();
-                            InputStream inputStream = connection.getInputStream();
-                            BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
-                            StringBuilder builder = new StringBuilder();
-                            String result;
-                            while ((result = reader.readLine()) != null) {
-                                builder.append("\n").append(result);
+                            Request request = new Request.Builder()
+                                    .url(ruleDownloadUrl.getText()).get().build();
+                            Response response = HTTP_CLIENT.newCall(request).execute();
+                            Logger.info("Downloaded " + ruleDownloadUrl.getText());
+                            if (response.isSuccessful() && mHandler != null) {
+                                mHandler.obtainMessage(RuleConfigHandler.MSG_RULE_DOWNLOADED,
+                                        new RuleData(ruleFilename.getText(), response.body().bytes())).sendToTarget();
                             }
-                            reader.close();
-
-                            mHandler.obtainMessage(RuleConfigHandler.MSG_RULE_DOWNLOADED,
-                                    new RuleData(ruleFilename.getText(), builder.toString().getBytes())).sendToTarget();
-                            stopThread();
                         } catch (Exception e) {
                             Logger.logException(e);
+                            if (mHandler != null) {
+                                mHandler.obtainMessage(RuleConfigHandler.MSG_RULE_DOWNLOADED,
+                                        new RuleData(ruleFilename.getText(), new byte[0])).sendToTarget();
+                            }
                         } finally {
                             stopThread();
                         }
@@ -366,8 +372,14 @@ public void handleMessage(Message msg) {
 
             switch (msg.what) {
                 case MSG_RULE_DOWNLOADED:
+                    RuleData ruleData = (RuleData) msg.obj;
+                    if (ruleData.data.length == 0) {
+                        if (view != null) {
+                            Snackbar.make(view, R.string.notice_download_failed, Snackbar.LENGTH_SHORT).show();
+                        }
+                        break;
+                    }
                     try {
-                        RuleData ruleData = (RuleData) msg.obj;
                         File file = new File(Daedalus.rulePath + ruleData.getFilename());
                         FileOutputStream stream = new FileOutputStream(file);
                         stream.write(ruleData.getData());

app/src/main/res/values-zh-rCN/strings.xml

@@ -11,6 +11,7 @@
     <string name="notice_need_restart">重新启用 Daedalus 以应用设置。</string>
     <string name="notice_start_download">正在下载规则，请稍等 ……</string>
     <string name="notice_downloaded">已下载规则。</string>
+    <string name="notice_download_failed">规则下载失败。</string>
     <string name="notice_now_downloading">Daedalus 当前正在下载规则，请稍等。</string>
     <string name="notice_fill_in_all">请填写所有配置项。</string>
     <string name="notice_delete_confirm_prompt">您确定要删除此配置项？</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -11,13 +11,14 @@
     <string name="notice_need_restart">重新啟動 Daedalus 以套用設定。</string>
     <string name="notice_start_download">正在下載規則，請稍等……</string>
     <string name="notice_downloaded">已下載規則。</string>
+    <string name="notice_download_failed">規則下載失敗。</string>
     <string name="notice_now_downloading">Daedalus 目前正在下載規則，請稍等。</string>
     <string name="notice_fill_in_all">請填寫所有設定項。</string>
     <string name="notice_delete_confirm_prompt">您確定要刪除此設定項？</string>
     <string name="notice_after_stop">請在服務停止後變更啟動的規則。</string>
     <string name="notice_check_dynamic_rule_reload">請在設定中開啟「允許動態規則重新載入」</string>
-    <string name="notice_export_complete">导出完成。 TODO</string>
-    <string name="notice_importing_rule">正在导入规则，请稍等。 TODO</string>
+    <string name="notice_export_complete">導出完成。</string>
+    <string name="notice_importing_rule">正在導入規則，請稍等。</string>
 
     <string name="action_settings">設定</string>
     <string name="action_about">關於</string>
@@ -34,7 +35,7 @@
 
     <string name="delete">刪除</string>
     <string name="apply">套用</string>
-    <string name="export">导出 TODO</string>
+    <string name="export">導出</string>
 
     <string name="navigation_drawer_close">關閉隱藏式瀏覽選單</string>
     <string name="navigation_drawer_open">開啟隱藏式瀏覽選單</string>

app/src/main/res/values/strings.xml

@@ -10,6 +10,7 @@
     <string name="notice_need_restart">Re-activate Daedalus to make the settings take effect.</string>
     <string name="notice_start_download">Downloading rule, please wait …</string>
     <string name="notice_downloaded">Rule has been downloaded.</string>
+    <string name="notice_download_failed">Download failed.</string>
     <string name="notice_now_downloading">Daedalus is currently downloading rule, please wait.</string>
     <string name="notice_fill_in_all">Please fill in all configuration items.</string>
     <string name="notice_delete_confirm_prompt">Are you sure you want to remove this configuration?</string>