org.eclipse.osee.ote.version.git.GitVersion.java Source code

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Here is the source code for org.eclipse.osee.ote.version.git.GitVersion.java

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/*******************************************************************************
 * Copyright (c) 2013 Boeing.
 * 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:
 *     Boeing - initial API and implementation
 *******************************************************************************/
package org.eclipse.osee.ote.version.git;

import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.Iterator;
import java.util.Set;

import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.LogCommand;
import org.eclipse.jgit.api.Status;
import org.eclipse.jgit.api.StatusCommand;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.errors.NoHeadException;
import org.eclipse.jgit.errors.NoWorkTreeException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;

public class GitVersion extends GitVersionBase {

    private final File file;

    public GitVersion(File file) {
        this.file = file;
    }

    public String getURL() throws MalformedURLException {
        return this.file.toURI().toURL().toString();
    }

    public boolean getModified() throws IOException, NoWorkTreeException, GitAPIException {
        if (!file.exists()) {
            return false;
        }
        File gitFolder = findGitDirUp(file);
        if (gitFolder == null) {
            return false;
        }
        Repository repository = buildRepository(gitFolder);
        Git git = new Git(repository);
        StatusCommand status = git.status();
        String pathFilter = getPathFilterFromFullPathAndGitFolder(file, gitFolder);
        Status result = status.call();
        Set<String> modified = result.getModified();
        if (modified.contains(pathFilter)) {
            return true;
        } else {
            return false;
        }
    }

    public RevCommit getLastCommit() throws IOException, NoHeadException, GitAPIException {
        if (!file.exists()) {
            return null;
        }
        File gitFolder = findGitDirUp(file);
        if (gitFolder == null) {
            return null;
        }
        Repository repository = buildRepository(gitFolder);
        Git git = new Git(repository);
        LogCommand log = git.log();
        String pathFilter = getPathFilterFromFullPathAndGitFolder(file, gitFolder);
        log.addPath(pathFilter);
        Iterable<RevCommit> iterable = log.call();
        Iterator<RevCommit> it = iterable.iterator();
        if (it.hasNext()) {
            return it.next();
        } else {
            return null;
        }
    }
}