Add initial gist repository connector

Change-Id: Ia4ccd306f1d71b2e92b79b6803e3accb57403f0c
Signed-off-by: Kevin Sawicki <kevin@github.com>
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

3 files changed, 211 insertions, 0 deletions

diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/GistConnector.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/GistConnector.java
new file mode 100644
index 00000000..4b2a2b57
--- /dev/null
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/GistConnector.java
@@ -0,0 +1,207 @@
+/*******************************************************************************
+ *  Copyright (c) 2011 GitHub Inc.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *  Contributors:
+ *    Kevin Sawicki (GitHub Inc.) - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.mylyn.internal.github.core.gist;
+
+import java.io.IOException;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.mylyn.commons.net.AuthenticationCredentials;
+import org.eclipse.mylyn.commons.net.AuthenticationType;
+import org.eclipse.mylyn.github.internal.Gist;
+import org.eclipse.mylyn.github.internal.GistService;
+import org.eclipse.mylyn.github.internal.GitHub;
+import org.eclipse.mylyn.github.internal.GitHubClient;
+import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
+import org.eclipse.mylyn.tasks.core.IRepositoryQuery;
+import org.eclipse.mylyn.tasks.core.ITask;
+import org.eclipse.mylyn.tasks.core.TaskRepository;
+import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler;
+import org.eclipse.mylyn.tasks.core.data.TaskAttributeMapper;
+import org.eclipse.mylyn.tasks.core.data.TaskData;
+import org.eclipse.mylyn.tasks.core.data.TaskDataCollector;
+import org.eclipse.mylyn.tasks.core.data.TaskMapper;
+import org.eclipse.mylyn.tasks.core.sync.ISynchronizationSession;
+
+/**
+ * Gist repository connector class.
+ */
+public class GistConnector extends AbstractRepositoryConnector {
+
+	/**
+	 * KIND
+	 */
+	public static final String KIND = "githubGists"; //$NON-NLS-1$
+
+	private GistTaskDataHandler dataHandler = new GistTaskDataHandler();
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#getTaskDataHandler()
+	 */
+	public AbstractTaskDataHandler getTaskDataHandler() {
+		return this.dataHandler;
+	}
+
+	/**
+	 * Create client for repository
+	 * 
+	 * @param repository
+	 * @return client
+	 */
+	protected GitHubClient createClient(TaskRepository repository) {
+		GitHubClient client = new GitHubClient();
+		AuthenticationCredentials credentials = repository
+				.getCredentials(AuthenticationType.REPOSITORY);
+		if (credentials != null)
+			client.setCredentials(credentials.getUserName(),
+					credentials.getPassword());
+		return client;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#canCreateNewTask(org.eclipse.mylyn.tasks.core.TaskRepository)
+	 */
+	public boolean canCreateNewTask(TaskRepository repository) {
+		return true;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#canCreateTaskFromKey(org.eclipse.mylyn.tasks.core.TaskRepository)
+	 */
+	public boolean canCreateTaskFromKey(TaskRepository repository) {
+		return true;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#getConnectorKind()
+	 */
+	public String getConnectorKind() {
+		return KIND;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#getLabel()
+	 */
+	public String getLabel() {
+		return Messages.GistConnector_LabelConnector;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#getRepositoryUrlFromTaskUrl(java.lang.String)
+	 */
+	public String getRepositoryUrlFromTaskUrl(String taskFullUrl) {
+		int lastSlash = taskFullUrl.lastIndexOf('/');
+		return lastSlash >= 0 ? taskFullUrl.substring(0, lastSlash) : null;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#getTaskData(org.eclipse.mylyn.tasks.core.TaskRepository,
+	 *      java.lang.String, org.eclipse.core.runtime.IProgressMonitor)
+	 */
+	public TaskData getTaskData(TaskRepository repository, String taskId,
+			IProgressMonitor monitor) throws CoreException {
+		GistService service = new GistService(createClient(repository));
+		try {
+			TaskAttributeMapper mapper = this.dataHandler
+					.getAttributeMapper(repository);
+			Gist gist = service.getGist(taskId);
+			TaskData data = new TaskData(mapper, getConnectorKind(),
+					repository.getUrl(), gist.getRepo());
+			data.setPartial(false);
+			this.dataHandler.fillTaskData(data, gist);
+			if (gist.getComments() > 0)
+				this.dataHandler.fillComments(repository, data,
+						service.getComments(gist.getRepo()));
+
+			return data;
+		} catch (IOException e) {
+			throw new CoreException(GitHub.createErrorStatus(e));
+		}
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#getTaskIdFromTaskUrl(java.lang.String)
+	 */
+	public String getTaskIdFromTaskUrl(String taskFullUrl) {
+		int lastSlash = taskFullUrl.lastIndexOf('/') + 1;
+		return lastSlash > 0 && lastSlash < taskFullUrl.length() ? taskFullUrl
+				.substring(lastSlash) : null;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#getTaskUrl(java.lang.String,
+	 *      java.lang.String)
+	 */
+	public String getTaskUrl(String repositoryUrl, String taskId) {
+		return repositoryUrl + '/' + taskId;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#hasTaskChanged(org.eclipse.mylyn.tasks.core.TaskRepository,
+	 *      org.eclipse.mylyn.tasks.core.ITask,
+	 *      org.eclipse.mylyn.tasks.core.data.TaskData)
+	 */
+	public boolean hasTaskChanged(TaskRepository taskRepository, ITask task,
+			TaskData taskData) {
+		return false;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#performQuery(org.eclipse.mylyn.tasks.core.TaskRepository,
+	 *      org.eclipse.mylyn.tasks.core.IRepositoryQuery,
+	 *      org.eclipse.mylyn.tasks.core.data.TaskDataCollector,
+	 *      org.eclipse.mylyn.tasks.core.sync.ISynchronizationSession,
+	 *      org.eclipse.core.runtime.IProgressMonitor)
+	 */
+	public IStatus performQuery(TaskRepository repository,
+			IRepositoryQuery query, TaskDataCollector collector,
+			ISynchronizationSession session, IProgressMonitor monitor) {
+		IStatus status = Status.OK_STATUS;
+		GistService service = new GistService(createClient(repository));
+		String user = query.getAttribute("user"); //$NON-NLS-1$
+		try {
+			TaskAttributeMapper mapper = this.dataHandler
+					.getAttributeMapper(repository);
+			for (Gist gist : service.getGists(user)) {
+				TaskData data = new TaskData(mapper, getConnectorKind(),
+						repository.getUrl(), gist.getRepo());
+				data.setPartial(true);
+				this.dataHandler.fillTaskData(data, gist);
+				collector.accept(data);
+			}
+		} catch (IOException e) {
+			status = GitHub.createErrorStatus(e);
+		}
+		return status;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#updateRepositoryConfiguration(org.eclipse.mylyn.tasks.core.TaskRepository,
+	 *      org.eclipse.core.runtime.IProgressMonitor)
+	 */
+	public void updateRepositoryConfiguration(TaskRepository taskRepository,
+			IProgressMonitor monitor) throws CoreException {
+
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector#updateTaskFromTaskData(org.eclipse.mylyn.tasks.core.TaskRepository,
+	 *      org.eclipse.mylyn.tasks.core.ITask,
+	 *      org.eclipse.mylyn.tasks.core.data.TaskData)
+	 */
+	public void updateTaskFromTaskData(TaskRepository taskRepository,
+			ITask task, TaskData taskData) {
+		new TaskMapper(taskData).applyTo(task);
+	}
+
+}
diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java
index b7127ffa..292e59cb 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java
@@ -37,6 +37,9 @@ public class Messages extends NLS {
 	/** */
 	public static String GistAttribute_LabelUrl;
 
+	/** */
+	public static String GistConnector_LabelConnector;
+
 	static {
 		// initialize resource bundle
 		NLS.initializeMessages(BUNDLE_NAME, Messages.class);
diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties
index 04cf280c..e20438ca 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties
@@ -4,3 +4,4 @@ GistAttribute_LabelDescription=Description:
 GistAttribute_LabelKey=Key
 GistAttribute_LabelNewComment=New Comment
 GistAttribute_LabelUrl=Url
+GistConnector_LabelConnector=Github Gists