org.eclipse.orion.server.git.BranchToJSONConverter.java Source code

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Here is the source code for org.eclipse.orion.server.git.BranchToJSONConverter.java

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/*******************************************************************************
 * Copyright (c) 2011 IBM Corporation 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:
 * IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.orion.server.git;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import org.eclipse.core.runtime.*;
import org.eclipse.jgit.lib.*;
import org.eclipse.orion.internal.server.servlets.ProtocolConstants;
import org.eclipse.orion.server.git.servlets.GitServlet;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * Generates JSON representation of the given branch.
 */
public class BranchToJSONConverter {

    public static JSONObject toJSON(Ref ref, Repository db, URI baseLocation, int segmentsToRemove)
            throws JSONException, URISyntaxException, IOException, CoreException {
        JSONObject result = new JSONObject();
        String shortName = Repository.shortenRefName(ref.getName());
        result.put(ProtocolConstants.KEY_NAME, shortName);
        result.put(ProtocolConstants.KEY_TYPE, GitConstants.KEY_BRANCH_NAME);

        IPath basePath = new Path(baseLocation.getPath());
        IPath newPath = new Path(GitServlet.GIT_URI).append(GitConstants.BRANCH_RESOURCE).append(shortName)
                .append(basePath.removeFirstSegments(segmentsToRemove));
        URI location = new URI(baseLocation.getScheme(), baseLocation.getUserInfo(), baseLocation.getHost(),
                baseLocation.getPort(), newPath.toString(), baseLocation.getQuery(), baseLocation.getFragment());
        result.put(ProtocolConstants.KEY_LOCATION, location);

        // add Git Clone URI
        result.put(GitConstants.KEY_CLONE,
                BaseToCloneConverter.getCloneLocation(location, BaseToCloneConverter.BRANCH));

        // add Git Commit URI
        result.put(GitConstants.KEY_COMMIT,
                BaseToCommitConverter.getCommitLocation(location, shortName, BaseToCommitConverter.REMOVE_FIRST_3));

        result.put(GitConstants.KEY_REMOTE, BaseToRemoteConverter.getRemoteBranchLocation(location, shortName, db,
                BaseToRemoteConverter.REMOVE_FIRST_3));
        result.put(GitConstants.KEY_HEAD, BaseToCommitConverter.getCommitLocation(location, Constants.HEAD,
                BaseToCommitConverter.REMOVE_FIRST_3));
        result.put(GitConstants.KEY_BRANCH_CURRENT, shortName.equals(db.getBranch()));

        return result;
    }
}