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.filesystem; 025 026 import java.io.File; 027 import java.io.FilenameFilter; 028 import java.util.Set; 029 import java.util.concurrent.TimeUnit; 030 import javax.transaction.xa.XAResource; 031 import org.jboss.dna.graph.ExecutionContext; 032 import org.jboss.dna.graph.cache.CachePolicy; 033 import org.jboss.dna.graph.connector.RepositoryConnection; 034 import org.jboss.dna.graph.connector.RepositorySourceException; 035 import org.jboss.dna.graph.request.Request; 036 import org.jboss.dna.graph.request.processor.RequestProcessor; 037 038 /** 039 * The {@link RepositoryConnection} implementation for the file system connector. The bulk of the work is performed by the 040 * {@link FileSystemRequestProcessor}. 041 * 042 * @author Randall Hauch 043 */ 044 public class FileSystemConnection implements RepositoryConnection { 045 046 private final String sourceName; 047 private final File defaultWorkspace; 048 private final CachePolicy cachePolicy; 049 private final Set<String> availableWorkspaceNames; 050 private final boolean creatingWorkspacesAllowed; 051 private final FilenameFilter filenameFilter; 052 private final boolean updatesAllowed; 053 054 FileSystemConnection( String sourceName, 055 File defaultWorkspace, 056 Set<String> availableWorkspaceNames, 057 boolean creatingWorkspacesAllowed, 058 CachePolicy cachePolicy, 059 FilenameFilter filenameFilter, 060 boolean updatesAllowed ) { 061 assert sourceName != null; 062 assert sourceName.trim().length() != 0; 063 assert availableWorkspaceNames != null; 064 this.sourceName = sourceName; 065 this.defaultWorkspace = defaultWorkspace; 066 this.availableWorkspaceNames = availableWorkspaceNames; 067 this.creatingWorkspacesAllowed = creatingWorkspacesAllowed; 068 this.cachePolicy = cachePolicy; 069 this.filenameFilter = filenameFilter; 070 this.updatesAllowed = updatesAllowed; 071 } 072 073 /** 074 * {@inheritDoc} 075 * 076 * @see org.jboss.dna.graph.connector.RepositoryConnection#getSourceName() 077 */ 078 public String getSourceName() { 079 return sourceName; 080 } 081 082 /** 083 * {@inheritDoc} 084 * 085 * @see org.jboss.dna.graph.connector.RepositoryConnection#getDefaultCachePolicy() 086 */ 087 public CachePolicy getDefaultCachePolicy() { 088 return cachePolicy; 089 } 090 091 /** 092 * {@inheritDoc} 093 * 094 * @see org.jboss.dna.graph.connector.RepositoryConnection#getXAResource() 095 */ 096 public XAResource getXAResource() { 097 return null; 098 } 099 100 /** 101 * {@inheritDoc} 102 * 103 * @see org.jboss.dna.graph.connector.RepositoryConnection#ping(long, java.util.concurrent.TimeUnit) 104 */ 105 public boolean ping( long time, 106 TimeUnit unit ) { 107 return true; 108 } 109 110 /** 111 * {@inheritDoc} 112 * 113 * @see org.jboss.dna.graph.connector.RepositoryConnection#execute(org.jboss.dna.graph.ExecutionContext, 114 * org.jboss.dna.graph.request.Request) 115 */ 116 public void execute( ExecutionContext context, 117 Request request ) throws RepositorySourceException { 118 RequestProcessor proc = new FileSystemRequestProcessor(sourceName, defaultWorkspace, availableWorkspaceNames, 119 creatingWorkspacesAllowed, context, filenameFilter, updatesAllowed); 120 try { 121 proc.process(request); 122 } finally { 123 proc.close(); 124 } 125 } 126 127 /** 128 * {@inheritDoc} 129 * 130 * @see org.jboss.dna.graph.connector.RepositoryConnection#close() 131 */ 132 public void close() { 133 } 134 }