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

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

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/******************************************************************************
 *  Copyright (c) 2012, Matthias Sohn <matthias.sohn@sap.com>
 *
 *  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
 *****************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree.command;

import java.io.File;
import java.text.MessageFormat;
import java.util.List;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
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.core.runtime.jobs.Job;
import org.eclipse.egit.core.op.GarbageCollectOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.repository.tree.RepositoryNode;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.progress.IWorkbenchSiteProgressService;

/**
 * Command to run jgit garbage collector
 */
public class GarbageCollectCommand extends RepositoriesViewCommandHandler<RepositoryNode> {

    /**
     * Command id
     */
    public static final String ID = "org.eclipse.egit.ui.team.GarbageCollect"; //$NON-NLS-1$

    /**
     * Execute garbage collection
     */
    public Object execute(ExecutionEvent event) throws ExecutionException {
        // get selected nodes
        final List<RepositoryNode> selectedNodes;
        try {
            selectedNodes = getSelectedNodes(event);
            if (selectedNodes.isEmpty())
                return null;
        } catch (ExecutionException e) {
            Activator.handleError(e.getMessage(), e, true);
            return null;
        }

        Job job = new Job("Collecting Garbage...") { //$NON-NLS-1$

            @Override
            protected IStatus run(IProgressMonitor monitor) {

                for (RepositoryNode node : selectedNodes) {
                    Repository repo = node.getRepository();
                    String name = MessageFormat.format(UIText.GarbageCollectCommand_jobTitle,
                            getRepositoryName(repo));
                    this.setName(name);
                    final GarbageCollectOperation op = new GarbageCollectOperation(repo);
                    try {
                        op.execute(monitor);
                    } catch (CoreException e) {
                        Activator.logError(MessageFormat.format(UIText.GarbageCollectCommand_failed, repo), e);
                    }
                }

                return Status.OK_STATUS;
            }
        };
        IWorkbenchSite activeSite = HandlerUtil.getActiveSite(event);
        IWorkbenchSiteProgressService service = (IWorkbenchSiteProgressService) activeSite
                .getService(IWorkbenchSiteProgressService.class);
        service.schedule(job);

        return null;
    }

    private String getRepositoryName(Repository repository) {
        File directory;
        if (!repository.isBare())
            directory = repository.getDirectory().getParentFile();
        else
            directory = repository.getDirectory();
        StringBuilder sb = new StringBuilder();
        sb.append(directory.getName());
        sb.append(" - "); //$NON-NLS-1$
        sb.append(directory.getAbsolutePath());
        return sb.toString();
    }

}