001 /*
002 * JBoss DNA (http://www.jboss.org/dna)
003 * See the COPYRIGHT.txt file distributed with this work for information
004 * regarding copyright ownership. Some portions may be licensed
005 * to Red Hat, Inc. under one or more contributor license agreements.
006 * See the AUTHORS.txt file in the distribution for a full listing of
007 * individual contributors.
008 *
009 * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
010 * is licensed to you under the terms of the GNU Lesser General Public License as
011 * published by the Free Software Foundation; either version 2.1 of
012 * the License, or (at your option) any later version.
013 *
014 * JBoss DNA is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017 * Lesser General Public License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this software; if not, write to the Free
021 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
022 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
023 */
024 package org.jboss.dna.connector.svn;
025
026 import java.util.Set;
027 import java.util.concurrent.TimeUnit;
028 import javax.transaction.xa.XAResource;
029 import org.jboss.dna.common.util.CheckArg;
030 import org.jboss.dna.graph.ExecutionContext;
031 import org.jboss.dna.graph.cache.CachePolicy;
032 import org.jboss.dna.graph.connector.RepositoryConnection;
033 import org.jboss.dna.graph.connector.RepositorySourceException;
034 import org.jboss.dna.graph.request.Request;
035 import org.jboss.dna.graph.request.processor.RequestProcessor;
036 import org.tmatesoft.svn.core.SVNErrorCode;
037 import org.tmatesoft.svn.core.SVNErrorMessage;
038 import org.tmatesoft.svn.core.SVNException;
039 import org.tmatesoft.svn.core.SVNNodeKind;
040 import org.tmatesoft.svn.core.io.SVNRepository;
041
042 /**
043 * The defaultRepository connection to a SVN Repository instance.
044 *
045 * @author Serge Pagop
046 */
047 public class SVNRepositoryConnection implements RepositoryConnection {
048
049 private final String sourceName;
050 private final CachePolicy cachePolicy;
051 private final SVNRepository defaultWorkspace;
052 private final boolean updatesAllowed;
053 private final Set<String> availableWorkspaceNames;
054 private final boolean creatingWorkspacesAllowed;
055 private final RepositoryAccessData accessData;
056
057 /**
058 * default workspace must can be a root repository or any folders from the root directory.
059 * available workspace names must consist of URLs from repository folders.
060 *
061 * @param sourceName
062 * @param defaultWorkspace
063 * @param availableWorkspaceNames
064 * @param creatingWorkspacesAllowed
065 * @param cachePolicy
066 * @param updatesAllowed
067 * @param accessData
068 */
069 public SVNRepositoryConnection( String sourceName,
070 SVNRepository defaultWorkspace,
071 Set<String> availableWorkspaceNames,
072 boolean creatingWorkspacesAllowed,
073 CachePolicy cachePolicy,
074 boolean updatesAllowed, RepositoryAccessData accessData ) {
075
076 CheckArg.isNotNull(defaultWorkspace, "defaultWorkspace");
077 CheckArg.isNotEmpty(sourceName, "sourceName");
078 assert availableWorkspaceNames != null;
079 assert accessData != null;
080
081 // Check if the default workspace is a folder.
082 SVNNodeKind nodeKind = null;
083 try {
084 nodeKind = defaultWorkspace.checkPath("", -1);
085 if (nodeKind == SVNNodeKind.NONE) {
086 SVNErrorMessage error = SVNErrorMessage.create(SVNErrorCode.UNKNOWN,
087 "No entry at URL ''{0}''",
088 defaultWorkspace.getLocation().getPath());
089 throw new SVNException(error);
090 } else if (nodeKind == SVNNodeKind.UNKNOWN) {
091 SVNErrorMessage error = SVNErrorMessage.create(SVNErrorCode.UNKNOWN,
092 "Entry at URL ''{0}'' is a file while directory was expected",
093 defaultWorkspace.getLocation().getPath());
094 throw new SVNException(error);
095 } else if (nodeKind == SVNNodeKind.FILE) {
096 SVNErrorMessage error = SVNErrorMessage.create(SVNErrorCode.UNKNOWN,
097 "Entry at URL ''{0}'' is a file while directory was expected",
098 defaultWorkspace.getLocation().getPath());
099 throw new SVNException(error);
100 }
101 } catch (SVNException e) {
102 // deal with the exception
103 throw new RuntimeException(e);
104 }
105
106 this.sourceName = sourceName;
107 this.cachePolicy = cachePolicy;
108 this.defaultWorkspace = defaultWorkspace;
109 this.updatesAllowed = updatesAllowed;
110 this.availableWorkspaceNames = availableWorkspaceNames;
111 this.creatingWorkspacesAllowed = creatingWorkspacesAllowed;
112 this.accessData = accessData;
113 }
114
115 SVNRepository getDefaultWorkspace() {
116 return defaultWorkspace;
117 }
118
119 /**
120 * {@inheritDoc}
121 */
122 public String getSourceName() {
123 return sourceName;
124 }
125
126 /**
127 * {@inheritDoc}
128 */
129 public CachePolicy getDefaultCachePolicy() {
130 return cachePolicy;
131 }
132
133 /**
134 * {@inheritDoc}
135 */
136 public XAResource getXAResource() {
137 return null;
138 }
139
140 /**
141 * {@inheritDoc}
142 */
143 public boolean ping( long time,
144 TimeUnit unit ) {
145 try {
146 this.defaultWorkspace.getRepositoryRoot(true);
147 } catch (SVNException e) {
148 return false;
149 }
150 return true;
151 }
152
153 /**
154 * {@inheritDoc}
155 *
156 * @see org.jboss.dna.graph.connector.RepositoryConnection#close()
157 */
158 public void close() {
159 // do not care about.
160 }
161
162 /**
163 * {@inheritDoc}
164 *
165 * @see org.jboss.dna.graph.connector.RepositoryConnection#execute(org.jboss.dna.graph.ExecutionContext,
166 * org.jboss.dna.graph.request.Request)
167 */
168 public void execute( final ExecutionContext context,
169 final Request request ) throws RepositorySourceException {
170
171
172 RequestProcessor processor = new SVNRepositoryRequestProcessor(sourceName, defaultWorkspace,
173 availableWorkspaceNames, creatingWorkspacesAllowed,
174 context, updatesAllowed, accessData);
175 try {
176 processor.process(request);
177 } finally {
178 processor.close();
179 }
180 }
181
182 /**
183 * @return the accessData
184 */
185 public RepositoryAccessData getAccessData() {
186 return accessData;
187 }
188 }