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

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Here is the source code for org.eclipse.egit.ui.internal.repository.tree.command.DeleteFetchCommand.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
 *******************************************************************************/
package org.eclipse.egit.ui.internal.repository.tree.command;

import java.io.IOException;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.internal.repository.tree.FetchNode;
import org.eclipse.egit.ui.internal.repository.tree.RemoteNode;
import org.eclipse.jgit.lib.StoredConfig;

/**
 * Deletes the Fetch
 */
public class DeleteFetchCommand extends RepositoriesViewCommandHandler<FetchNode> {

    private static final String REMOTE = "remote"; //$NON-NLS-1$

    private static final String FETCH = "fetch"; //$NON-NLS-1$

    private static final String PUSH = "push"; //$NON-NLS-1$

    private static final String URL = "url"; //$NON-NLS-1$

    private static final String PUSHURL = "pushurl"; //$NON-NLS-1$

    public Object execute(ExecutionEvent event) throws ExecutionException {
        FetchNode node = getSelectedNodes(event).get(0);
        RemoteNode remote = (RemoteNode) node.getParent();

        StoredConfig config = node.getRepository().getConfig();
        String fetchUrl = config.getString(REMOTE, remote.getObject(), URL);
        config.unset(REMOTE, remote.getObject(), FETCH);
        config.unset(REMOTE, remote.getObject(), URL);
        // the push URL may still be needed for fetch
        if (fetchUrl != null) {
            boolean hasPush = config.getStringList(REMOTE, remote.getObject(), PUSH).length > 0;
            if (hasPush) {
                String[] pushurls = config.getStringList(REMOTE, remote.getObject(), PUSHURL);
                // if there are not specific push urls,
                // copy the former fetch url into push url
                if (pushurls.length == 0)
                    config.setString(REMOTE, remote.getObject(), PUSHURL, fetchUrl);
            }
        }

        try {
            config.save();
        } catch (IOException e1) {
            Activator.handleError(e1.getMessage(), e1, true);
        }

        return null;
    }
}