Java tutorial
/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common * Development and Distribution License("CDDL") (collectively, the * "License"). You may not use this file except in compliance with the * License. You can obtain a copy of the License at * http://www.netbeans.org/cddl-gplv2.html * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the * specific language governing permissions and limitations under the * License. When distributing the software, include this License Header * Notice in each file and include the License file at * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this * particular file as subject to the "Classpath" exception as provided * by Sun in the GPL Version 2 section of the License file that * accompanied this code. If applicable, add the following below the * License Header, with the fields enclosed by brackets [] replaced by * your own identifying information: * "Portions Copyrighted [year] [name of copyright owner]" * * Contributor(s): * * The Original Software is NetBeans. The Initial Developer of the Original * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun * Microsystems, Inc. All Rights Reserved. * Portions Copyright 2008 Alexander Coles (Ikonoklastik Productions). * * If you wish your version of this file to be governed by only the CDDL * or only the GPL Version 2, indicate your decision by adding * "[Contributor] elects to include this software in this distribution * under the [CDDL or GPL Version 2] license." If you do not indicate a * single choice of license, a recipient has the option to distribute * your version of this file under either the CDDL, the GPL Version 2 or * to extend the choice of license to its licensees as provided above. * However, if you add GPL Version 2 code and therefore, elected the GPL * Version 2 license, then the option applies only if the new code is * made subject to such option by the copyright holder. */ package org.nbgit.ui.init; import java.awt.event.ActionEvent; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.List; import java.util.logging.Level; import javax.swing.JOptionPane; import org.netbeans.api.project.Project; import org.nbgit.Git; import org.nbgit.GitProgressSupport; import org.nbgit.OutputLogger; import org.nbgit.client.IndexBuilder; import org.nbgit.task.StatusTask; import org.nbgit.ui.ContextAction; import org.nbgit.util.exclude.Excludes; import org.nbgit.util.GitProjectUtils; import org.nbgit.util.GitUtils; import org.netbeans.api.queries.SharabilityQuery; import org.netbeans.modules.versioning.spi.VCSContext; import org.openide.util.NbBundle; import org.openide.util.RequestProcessor; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.treewalk.FileTreeIterator; import org.eclipse.jgit.treewalk.TreeWalk; /** * Create action for Git: * git init - create a new repository in the given directory * * @author John Rice */ public class InitAction extends ContextAction { public InitAction(String name, VCSContext context) { super(name, context); } @Override public boolean isEnabled() { // If it is not a Git managed repository enable action File root = GitUtils.getRootFile(context); File[] files = context.getRootFiles().toArray(new File[context.getRootFiles().size()]); if (files == null || files.length == 0) { return false; } if (root == null) { return true; } else { return false; } } private File getCommonAncestor(File firstFile, File secondFile) { if (firstFile.equals(secondFile)) { return firstFile; } File tempFirstFile = firstFile; while (tempFirstFile != null) { File tempSecondFile = secondFile; while (tempSecondFile != null) { if (tempFirstFile.equals(tempSecondFile)) { return tempSecondFile; } tempSecondFile = tempSecondFile.getParentFile(); } tempFirstFile = tempFirstFile.getParentFile(); } return null; } private File getCommonAncestor(File[] files) { File f1 = files[0]; for (int i = 1; i < files.length; i++) { f1 = getCommonAncestor(f1, files[i]); if (f1 == null) { Git.LOG.log(Level.SEVERE, "Unable to get common parent of {0} and {1} ", // NOI18N new Object[] { f1.getAbsolutePath(), files[i].getAbsolutePath() }); } } return f1; } public void performAction(ActionEvent e) { final Git git = Git.getInstance(); File[] files = context.getRootFiles().toArray(new File[context.getRootFiles().size()]); if (files == null || files.length == 0) { return; // If there is a .git directory in an ancestor of any of the files in // the context we fail. } for (File file : files) { if (!file.isDirectory()) { file = file.getParentFile(); } if (git.getTopmostManagedParent(file) != null) { Git.LOG.log(Level.SEVERE, "Found .git directory in ancestor of {0} ", // NOI18N file); return; } } final Project proj = GitUtils.getProject(context); File projFile = GitUtils.getProjectFile(proj); if (projFile == null) { OutputLogger logger = OutputLogger.getLogger(Git.GIT_OUTPUT_TAB_TITLE); logger.outputInRed(NbBundle.getMessage(InitAction.class, "MSG_CREATE_TITLE")); // NOI18N logger.outputInRed(NbBundle.getMessage(InitAction.class, "MSG_CREATE_TITLE_SEP")); // NOI18N logger.outputInRed(NbBundle.getMessage(InitAction.class, "MSG_CREATE_NOT_SUPPORTED_INVIEW_INFO")); // NOI18N logger.output(""); // NOI18N JOptionPane.showMessageDialog(null, NbBundle.getMessage(InitAction.class, "MSG_CREATE_NOT_SUPPORTED_INVIEW"), // NOI18N NbBundle.getMessage(InitAction.class, "MSG_CREATE_NOT_SUPPORTED_INVIEW_TITLE"), // NOI18N JOptionPane.INFORMATION_MESSAGE); logger.closeLog(); return; } String projName = GitProjectUtils.getProjectName(projFile); File rootDir = getCommonAncestor(files); final File root = getCommonAncestor(rootDir, projFile); if (root == null) { return; } final String prjName = projName; final Repository repo = git.getRepository(root); RequestProcessor rp = git.getRequestProcessor(root.getAbsolutePath()); GitProgressSupport supportCreate = new GitProgressSupport() { public void perform() { try { OutputLogger logger = getLogger(); logger.outputInRed(NbBundle.getMessage(InitAction.class, "MSG_CREATE_TITLE")); // NOI18N logger.outputInRed(NbBundle.getMessage(InitAction.class, "MSG_CREATE_TITLE_SEP")); // NOI18N logger.output(NbBundle.getMessage(InitAction.class, "MSG_CREATE_INIT", prjName, root)); // NOI18N repo.create(); } catch (IOException ex) { notifyLater(ex); } } }; supportCreate.start(rp, root.getAbsolutePath(), org.openide.util.NbBundle.getMessage(InitAction.class, "MSG_Create_Progress")); // NOI18N GitProgressSupport supportAdd = new GitProgressSupport() { public void perform() { OutputLogger logger = getLogger(); try { List<File> files = getFileList(repo, root); IndexBuilder.create(repo).log(logger).addAll(files).write(); logger.output(NbBundle.getMessage(InitAction.class, "MSG_CREATE_ADD", files.size(), root.getAbsolutePath())); // NOI18N logger.output(""); // NOI18N logger.outputInRed(NbBundle.getMessage(InitAction.class, "MSG_CREATE_DONE_WARNING")); // NOI18N } catch (IOException ex) { notifyLater(ex); } finally { logger.outputInRed(NbBundle.getMessage(InitAction.class, "MSG_CREATE_DONE")); // NOI18N logger.output(""); // NOI18N } } }; supportAdd.start(rp, root.getAbsolutePath(), org.openide.util.NbBundle.getMessage(InitAction.class, "MSG_Create_Add_Progress")); // NOI18N GitProgressSupport supportStatus = new StatusTask(context) { @Override public void performAfter() { git.versionedFilesChanged(); git.refreshAllAnnotations(); } }; supportStatus.start(rp, root.getAbsolutePath(), NbBundle.getMessage(InitAction.class, "MSG_Create_Status_Progress")); // NOI18N } private List<File> getFileList(Repository repo, File rootFile) throws IOException { final FileTreeIterator workTree = new FileTreeIterator(rootFile); final TreeWalk walk = new TreeWalk(repo); final List<File> files = new ArrayList<File>(); int share = SharabilityQuery.getSharability(rootFile); if (share == SharabilityQuery.NOT_SHARABLE) { return files; } walk.reset(); // drop the first empty tree, which we do not need here walk.setRecursive(true); walk.addTree(workTree); while (walk.next()) { String path = walk.getPathString(); File file = new File(rootFile, path); if (share == SharabilityQuery.MIXED && !Excludes.isSharable(file)) { continue; } files.add(file); } return files; } }