Java tutorial
/*==========================================================================*\ | $Id: RepositoryEntryRef.java,v 1.6 2012/06/22 16:23:17 aallowat Exp $ |*-------------------------------------------------------------------------*| | Copyright (C) 2011-2012 Virginia Tech | | This file is part of Web-CAT. | | Web-CAT is free software; you can redistribute it and/or modify | it under the terms of the GNU Affero General Public License as published | by the Free Software Foundation; either version 3 of the License, or | (at your option) any later version. | | Web-CAT is distributed in the hope that it will be useful, | but WITHOUT ANY WARRANTY; without even the implied warranty of | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | GNU General Public License for more details. | | You should have received a copy of the GNU Affero General Public License | along with Web-CAT; if not, see <http://www.gnu.org/licenses/>. \*==========================================================================*/ package org.webcat.core; import java.io.File; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.ObjectId; import org.webcat.core.git.GitRef; import org.webcat.core.git.GitRepository; import com.webobjects.eocontrol.EOEditingContext; import com.webobjects.eocontrol.EOEnterpriseObject; import com.webobjects.foundation.NSDictionary; import com.webobjects.foundation.NSKeyValueCoding; import com.webobjects.foundation.NSKeyValueCodingAdditions; import com.webobjects.foundation.NSMutableDictionary; //------------------------------------------------------------------------- /** * Represents the selection in a file picker. The selected file or folder is * represented by three parts: the repository the file is in, the path to the * file, and the branch representing which "snapshot" of the file should be * used. This class makes it easier to translate file picker selections back * and forth between a convenient object format and a dictionary format that is * stored in the database. * * @author Tony Allevato * @author Last changed by $Author: aallowat $ * @version $Revision: 1.6 $, $Date: 2012/06/22 16:23:17 $ */ public class RepositoryEntryRef implements NSKeyValueCodingAdditions { //~ Constructors .......................................................... // ---------------------------------------------------------- public RepositoryEntryRef(String repository, String path, String branch) { this.repository = repository; this.path = path; this.branch = branch; } //~ Methods ............................................................... // ---------------------------------------------------------- public static RepositoryEntryRef fromDictionary(NSDictionary<String, Object> dict) { return new RepositoryEntryRef((String) dict.objectForKey(REPOSITORY_KEY), (String) dict.objectForKey(PATH_KEY), (String) dict.objectForKey(BRANCH_KEY)); } // ---------------------------------------------------------- public static RepositoryEntryRef fromOldStylePath(String path) { Pattern pattern = Pattern.compile("^([^/]+)/([^/]+)(?:/(.*))?$"); Matcher matcher = pattern.matcher(path); if (matcher.matches()) { String authDomain = matcher.group(1); String username = matcher.group(2); String repoPath = matcher.group(3); // Make sure a slash is added to the end of old-style paths that // point to directories. File oldPath = new File(User.userDataRoot(), path); if (oldPath.isDirectory()) { repoPath += "/"; } return new RepositoryEntryRef("User/" + authDomain + "." + username, repoPath, Constants.R_HEADS + Constants.MASTER); } else { return null; } } // ---------------------------------------------------------- public NSDictionary<String, Object> dictionaryRepresentation() { NSMutableDictionary<String, Object> dict = new NSMutableDictionary<String, Object>(); dict.setObjectForKey(repository, REPOSITORY_KEY); dict.setObjectForKey(path, PATH_KEY); dict.setObjectForKey(branch, BRANCH_KEY); return dict; } // ---------------------------------------------------------- public boolean isDirectory() { return path.endsWith("/"); } // ---------------------------------------------------------- public String repositoryName() { return repository; } // ---------------------------------------------------------- public String path() { return path; } // ---------------------------------------------------------- public String branch() { return branch; } // ---------------------------------------------------------- public String name() { if (path == null) { return null; } String pathMod = path; if (pathMod.endsWith("/")) { pathMod = pathMod.substring(0, pathMod.length() - 1); } int lastSlash = pathMod.lastIndexOf('/'); if (lastSlash == -1) { return pathMod; } else { return pathMod.substring(lastSlash + 1); } } // ---------------------------------------------------------- public String iconPath() { if (isDirectory()) { return FileUtilities.folderIconURL(); } else { return FileUtilities.iconURL(path); } } // ---------------------------------------------------------- public void resolve(EOEditingContext ec) { String[] parts = repository.split("/"); provider = EOBase.objectWithApiId(ec, parts[0], parts[1]); gitRepository = GitRepository.repositoryForObject(provider); ref = gitRepository.refWithName(branch); if (ref != null) { objectId = gitRepository.resolve(ref.objectId().getName() + ":" + path); } else { objectId = null; } } // ---------------------------------------------------------- public EOEnterpriseObject provider() { if (gitRepository == null) { throw new IllegalStateException("You must resolve the entry ref " + "first."); } return provider; } // ---------------------------------------------------------- public GitRepository repository() { if (gitRepository == null) { throw new IllegalStateException("You must resolve the entry ref " + "first."); } return gitRepository; } // ---------------------------------------------------------- public GitRef ref() { if (gitRepository == null) { throw new IllegalStateException("You must resolve the entry ref " + "first."); } return ref; } // ---------------------------------------------------------- public ObjectId objectId() { if (gitRepository == null) { throw new IllegalStateException("You must resolve the entry ref " + "first."); } return objectId; } // ---------------------------------------------------------- @Override public int hashCode() { return repository.hashCode() ^ (path.hashCode() << 11) ^ (branch.hashCode() << 22); } // ---------------------------------------------------------- @Override public boolean equals(Object other) { if (other instanceof RepositoryEntryRef) { RepositoryEntryRef otherItem = (RepositoryEntryRef) other; return repository.equals(otherItem.repository) && path.equals(otherItem.path) && branch.equals(otherItem.branch); } else { return false; } } // ---------------------------------------------------------- public void takeValueForKeyPath(Object value, String keyPath) { NSKeyValueCodingAdditions.DefaultImplementation.takeValueForKeyPath(this, value, keyPath); } // ---------------------------------------------------------- public Object valueForKeyPath(String keyPath) { return NSKeyValueCodingAdditions.DefaultImplementation.valueForKeyPath(this, keyPath); } // ---------------------------------------------------------- public void takeValueForKey(Object value, String key) { NSKeyValueCoding.DefaultImplementation.takeValueForKey(this, value, key); } // ---------------------------------------------------------- public Object valueForKey(String key) { return NSKeyValueCoding.DefaultImplementation.valueForKey(this, key); } //~ Static/instance variables ............................................. private static final String REPOSITORY_KEY = "repository"; private static final String PATH_KEY = "path"; private static final String BRANCH_KEY = "branch"; private String repository; private String path; private String branch; private EOBase provider; private GitRepository gitRepository; private GitRef ref; private ObjectId objectId; }