Java tutorial
/* * Copyright (C) 2011, Christian Halstrick <christian.halstrick@sap.com> * and other copyright owners as documented in the project's IP log. * * This program and the accompanying materials are made available * under the terms of the Eclipse Distribution License v1.0 which * accompanies this distribution, is reproduced below, and is * available at http://www.eclipse.org/org/documents/edl-v10.php * * All rights reserved. * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * - Neither the name of the Eclipse Foundation, Inc. nor the * names of its contributors may be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.eclipse.jgit.api; import java.io.IOException; import java.util.LinkedList; import java.util.List; import org.eclipse.jgit.api.errors.GitAPIException; import org.eclipse.jgit.api.errors.JGitInternalException; import org.eclipse.jgit.errors.NoWorkTreeException; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.IndexDiff; import org.eclipse.jgit.lib.ProgressMonitor; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.submodule.SubmoduleWalk.IgnoreSubmoduleMode; import org.eclipse.jgit.treewalk.FileTreeIterator; import org.eclipse.jgit.treewalk.WorkingTreeIterator; import org.eclipse.jgit.treewalk.filter.PathFilterGroup; /** * A class used to execute a {@code Status} command. It has setters for all * supported options and arguments of this command and a {@link #call()} method * to finally execute the command. Each instance of this class should only be * used for one invocation of the command (means: one call to {@link #call()}) * * @see <a href= * "http://www.kernel.org/pub/software/scm/git/docs/git-status.html" >Git * documentation about Status</a> */ public class StatusCommand extends GitCommand<Status> { private WorkingTreeIterator workingTreeIt; private List<String> paths = null; private ProgressMonitor progressMonitor = null; private IgnoreSubmoduleMode ignoreSubmoduleMode = null; /** * Constructor for StatusCommand. * * @param repo * a {@link org.eclipse.jgit.lib.Repository} object. */ protected StatusCommand(Repository repo) { super(repo); } /** * Whether to ignore submodules * * @param mode * the * {@link org.eclipse.jgit.submodule.SubmoduleWalk.IgnoreSubmoduleMode} * @return {@code this} * @since 3.6 */ public StatusCommand setIgnoreSubmodules(IgnoreSubmoduleMode mode) { ignoreSubmoduleMode = mode; return this; } /** * Show only the status of files which match the given paths. The path must * either name a file or a directory exactly. All paths are always relative * to the repository root. If a directory is specified all files recursively * underneath that directory are matched. If this method is called multiple * times then the status of those files is reported which match at least one * of the given paths. Note that regex expressions or wildcards are not * supported. * * @param path * repository-relative path of file/directory to show status for * (with <code>/</code> as separator) * @return {@code this} * @since 3.1 */ public StatusCommand addPath(String path) { if (paths == null) paths = new LinkedList<>(); paths.add(path); return this; } /** * Returns the paths filtering this status. * * @return the paths for which the status is shown or <code>null</code> if * the complete status for the whole repo is shown. * @since 3.1 */ public List<String> getPaths() { return paths; } /** * {@inheritDoc} * <p> * Executes the {@code Status} command with all the options and parameters * collected by the setter methods of this class. Each instance of this * class should only be used for one invocation of the command. Don't call * this method twice on an instance. */ @Override public Status call() throws GitAPIException, NoWorkTreeException { if (workingTreeIt == null) workingTreeIt = new FileTreeIterator(repo); try { IndexDiff diff = new IndexDiff(repo, Constants.HEAD, workingTreeIt); if (ignoreSubmoduleMode != null) diff.setIgnoreSubmoduleMode(ignoreSubmoduleMode); if (paths != null) diff.setFilter(PathFilterGroup.createFromStrings(paths)); if (progressMonitor == null) diff.diff(); else diff.diff(progressMonitor, ProgressMonitor.UNKNOWN, ProgressMonitor.UNKNOWN, ""); //$NON-NLS-1$ return new Status(diff); } catch (IOException e) { throw new JGitInternalException(e.getMessage(), e); } } /** * To set the {@link org.eclipse.jgit.treewalk.WorkingTreeIterator} which * should be used. If this method is not called a standard * {@link org.eclipse.jgit.treewalk.FileTreeIterator} is used. * * @param workingTreeIt * a working tree iterator * @return {@code this} */ public StatusCommand setWorkingTreeIt(WorkingTreeIterator workingTreeIt) { this.workingTreeIt = workingTreeIt; return this; } /** * To set the {@link org.eclipse.jgit.lib.ProgressMonitor} which contains * callback methods to inform you about the progress of this command. * * @param progressMonitor * a {@link org.eclipse.jgit.lib.ProgressMonitor} object. * @return {@code this} * @since 3.1 */ public StatusCommand setProgressMonitor(ProgressMonitor progressMonitor) { this.progressMonitor = progressMonitor; return this; } }