org.eclipse.egit.ui.internal.repository.tree.command.SynchronizeCommand.java Source code

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Here is the source code for org.eclipse.egit.ui.internal.repository.tree.command.SynchronizeCommand.java

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/*******************************************************************************
 * Copyright (c) 2010 SAP AG.
 * 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:
 *    Mathias Kinzler (SAP AG) - initial implementation
 *    Dariusz Luksza <dariusz@luksza.org>
 *******************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree.command;

import java.io.IOException;
import java.util.Set;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.egit.core.Activator;
import org.eclipse.egit.core.synchronize.dto.GitSynchronizeData;
import org.eclipse.egit.ui.UIText;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryTreeNode;
import org.eclipse.egit.ui.internal.synchronize.GitModelSynchronize;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;

/**
 * Implements "Synchronize"
 */
public class SynchronizeCommand extends RepositoriesViewCommandHandler<RepositoryTreeNode> {

    public Object execute(ExecutionEvent event) throws ExecutionException {
        final RepositoryTreeNode node = getSelectedNodes(event).get(0);
        final String refName = getRefName(node);
        if (refName == null)
            return null;

        String secondRefName = Constants.HEAD;
        if (getSelectedNodes(event).size() == 2) {
            secondRefName = getRefName(getSelectedNodes(event).get(1));
            if (secondRefName == null)
                return null;
        }

        final String secondRefNameParam = secondRefName;

        final boolean includeLocal = getSelectedNodes(event).size() == 1;

        final Repository repo = node.getRepository();
        Job job = new Job(NLS.bind(UIText.SelectSynchronizeResourceDialog_selectProject, repo.getDirectory())) {

            @Override
            protected IStatus run(IProgressMonitor monitor) {
                GitSynchronizeData data;
                try {
                    data = new GitSynchronizeData(repo, secondRefNameParam, refName, includeLocal);

                    Set<IProject> projects = data.getProjects();
                    IResource[] resources = projects.toArray(new IResource[projects.size()]);

                    GitModelSynchronize.launch(data, resources);
                } catch (IOException e) {
                    Activator.logError(e.getMessage(), e);
                }

                return Status.OK_STATUS;
            }
        };
        job.setUser(true);
        job.schedule();

        return null;
    }

    private String getRefName(final RepositoryTreeNode node) {
        Object object = node.getObject();
        if (!(object instanceof Ref))
            return null;

        Ref ref = (Ref) object;
        return ref.getName();
    }

}