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/*******************************************************************************
* Copyright (c) 2011 Red Hat and others.
* 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:
* Chris Aniszczyk <caniszczyk@gmail.com> - initial contribution
*******************************************************************************/
package org.eclipse.mylyn.internal.github.ui.gist;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Set;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.egit.github.core.client.GitHubClient;
import org.eclipse.egit.github.core.service.GistService;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.mylyn.internal.github.core.GitHub;
import org.eclipse.mylyn.internal.github.ui.GitHubUi;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.ISources;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* Create Gist handler class.
*/
public class CreateGistHandler extends AbstractHandler {
/**
* PUBLIC_GIST
*/
public static final String PUBLIC_GIST = "publicGist"; //$NON-NLS-1$
/**
* @see org.eclipse.core.commands.AbstractHandler#isEnabled()
*/
public boolean isEnabled() {
return !GistConnectorUi.getRepositories().isEmpty();
}
/**
* TODO replace this with HandlerUtil.getActiveEditorInput(ExecutionEvent)
* as soon as we don't support Eclipse 3.6 anymore copied from HandlerUtil
* in 3.7 to be able to run this on 3.6
*
* Return the input of the active editor.
*
* @param event
* The execution event that contains the application context
* @return the input of the active editor, or <code>null</code>.
*/
private static IEditorInput getActiveEditorInput(ExecutionEvent event) {
Object o = HandlerUtil.getVariable(event,
ISources.ACTIVE_EDITOR_INPUT_NAME);
if (o instanceof IEditorInput) {
return (IEditorInput) o;
}
return null;
}
public Object execute(ExecutionEvent event) throws ExecutionException {
// TODO replace this with
// HandlerUtil.getActiveEditorInput(ExecutionEvent) as soon
// as we don't support Eclipse 3.6 anymore
IEditorInput input = getActiveEditorInput(event);
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection == null || selection.isEmpty())
selection = HandlerUtil.getActiveMenuSelection(event);
if (selection instanceof ITextSelection
&& input instanceof IFileEditorInput) {
ITextSelection text = (ITextSelection) selection;
IFile file = ((IFileEditorInput) input).getFile();
createGistJob(file.getName(), file.getFileExtension(),
text.getText(),
Boolean.parseBoolean(event.getParameter(PUBLIC_GIST)));
} else if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
Object obj = structuredSelection.getFirstElement();
if (obj instanceof IFile)
createGistJob((IFile) obj,
Boolean.parseBoolean(event.getParameter(PUBLIC_GIST)));
}
return null;
}
private void createGistJob(String name, String extension, String contents,
boolean isPublic) {
Set<TaskRepository> repositories = GistConnectorUi.getRepositories();
// only use the first repository, in the future provide a
// selection if multiple exist
TaskRepository repository = repositories.iterator().next();
GitHubClient client = GitHub.configureClient(new GitHubClient());
GitHub.addCredentials(client, repository);
GistService service = new GistService(client);
CreateGistJob job = new CreateGistJob(
Messages.CreateGistHandler_CreateGistJobName, name, contents,
service, isPublic);
job.setSystem(true);
job.schedule();
}
private void createGistJob(IFile file, boolean isPublic) {
BufferedReader br = null;
try {
br = new BufferedReader(new InputStreamReader(file.getContents()));
String line;
StringBuilder result = new StringBuilder();
while ((line = br.readLine()) != null)
result.append(line).append('\n');
String contents = result.toString();
createGistJob(file.getName(), file.getFileExtension(), contents,
isPublic);
} catch (CoreException e) {
GitHubUi.logError(e);
} catch (IOException e) {
GitHubUi.logError(e);
} finally {
if (br != null)
try {
br.close();
} catch (IOException e) {
GitHubUi.logError(e);
}
}
}
}
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