IDEA-63546: Add Trac support in the Task/Context support [currently disabled]

plugins/tasks/tasks-core/src/META-INF/plugin.xml

@@ -106,6 +106,8 @@
     <tasks.repositoryType implementation="com.intellij.tasks.pivotal.PivotalTrackerRepositoryType"/>
     <tasks.repositoryType implementation="com.intellij.tasks.github.GitHubRepositoryType"/>
     <tasks.repositoryType implementation="com.intellij.tasks.redmine.RedmineRepositoryType"/>
+    <!--<tasks.repositoryType implementation="com.intellij.tasks.trac.TracRepositoryType"/>-->
+
     <!--<tasks.repositoryType implementation="com.intellij.tasks.mantis.MantisRepositoryType"/>-->
   </extensions>
 

plugins/tasks/tasks-core/src/com/intellij/tasks/trac/TracRepository.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2000-2011 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.tasks.trac;
+
+import com.intellij.tasks.Task;
+import com.intellij.tasks.impl.BaseRepository;
+import com.intellij.tasks.impl.BaseRepositoryImpl;
+import com.intellij.tasks.impl.LocalTaskImpl;
+import com.intellij.util.NullableFunction;
+import com.intellij.util.containers.ContainerUtil;
+import org.apache.xmlrpc.*;
+import org.jetbrains.annotations.Nullable;
+
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Vector;
+
+/**
+ * @author Dmitry Avdeev
+ */
+public class TracRepository extends BaseRepositoryImpl implements XmlRpcTransportFactory {
+
+  @Override
+  public Task[] getIssues(@Nullable String query, int max, long since) throws Exception {
+    final XmlRpcClient client = getRpcClient();
+    Object[] result = (Object[])client.execute("ticket.query", new Vector<Object>(Arrays.asList(query == null ? "" : query)));
+
+    if (result == null) throw new Exception("Cannot connect to " + getUrl());
+
+    List<Task> tasks = ContainerUtil.mapNotNull(result, new NullableFunction<Object, Task>() {
+      @Override
+      public Task fun(Object o) {
+        try {
+          return getTask((Integer)o, client);
+        }
+        catch (Exception e) {
+          return null;
+        }
+      }
+    });
+    return tasks.toArray(new Task[tasks.size()]);
+  }
+
+  private XmlRpcClient getRpcClient() throws MalformedURLException {
+    return new XmlRpcClient(new URL(getUrl()), this);
+  }
+
+  @Override
+  public Task findTask(String id) throws Exception {
+    return getTask(Integer.parseInt(id), getRpcClient());
+  }
+
+  private static Task getTask(int id, XmlRpcClient client) throws IOException, XmlRpcException {
+    Object response = client.execute("ticket.get", new Vector(Arrays.asList(id)));
+    LocalTaskImpl task = new LocalTaskImpl();
+    return task;
+  }
+
+  @Override
+  public void testConnection() throws Exception {
+    getIssues("", 0, 0);
+  }
+
+  @Override
+  public BaseRepository clone() {
+    return new TracRepository(this);
+  }
+
+  public TracRepository(TracRepositoryType repositoryType) {
+    super(repositoryType);
+  }
+
+  private TracRepository(TracRepository other) {
+    super(other);
+  }
+
+  @Override
+  public XmlRpcTransport createTransport() throws XmlRpcClientException {
+    try {
+      return new CommonsXmlRpcTransport(new URL(getUrl()), getHttpClient());
+    }
+    catch (MalformedURLException e) {
+      throw new XmlRpcClientException(e.getMessage(), e);
+    }
+  }
+
+  @Override
+  public void setProperty(String propertyName, Object value) {
+  }
+}

plugins/tasks/tasks-core/src/com/intellij/tasks/trac/TracRepositoryType.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2000-2011 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.tasks.trac;
+
+import com.intellij.openapi.util.IconLoader;
+import com.intellij.tasks.TaskRepository;
+import com.intellij.tasks.impl.BaseRepositoryType;
+import org.jetbrains.annotations.NotNull;
+
+import javax.swing.*;
+
+/**
+ * @author Dmitry Avdeev
+ */
+public class TracRepositoryType extends BaseRepositoryType<TracRepository> {
+
+  private static final Icon ICON = IconLoader.getIcon("/com/intellij/tasks/trac/trac.png");
+
+  @NotNull
+  @Override
+  public String getName() {
+    return "Trac";
+  }
+
+  @Override
+  public Icon getIcon() {
+    return ICON;
+  }
+
+  @NotNull
+  @Override
+  public TaskRepository createRepository() {
+    return new TracRepository(this);
+  }
+
+  @Override
+  public Class<TracRepository> getRepositoryClass() {
+    return TracRepository.class;
+  }
+}

plugins/tasks/tasks-core/tasks-core.iml

@@ -27,6 +27,7 @@
       </library>
     </orderEntry>
     <orderEntry type="library" exported="" name="http-client-3.1" level="project" />
+    <orderEntry type="library" name="XmlRPC" level="project" />
   </component>
 </module>