001 /* 002 * Copyright (C) 2010 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.jcr.command; 021 022 import org.crsh.cmdline.IntrospectionException; 023 import org.crsh.cmdline.ParameterDescriptor; 024 import org.crsh.cmdline.completers.AbstractPathCompleter; 025 import org.crsh.cmdline.spi.Completer; 026 import org.crsh.cmdline.spi.ValueCompletion; 027 import org.crsh.command.CRaSHCommand; 028 029 import javax.jcr.Node; 030 import javax.jcr.NodeIterator; 031 import javax.jcr.PathNotFoundException; 032 import javax.jcr.RepositoryException; 033 import javax.jcr.Session; 034 import java.util.ArrayList; 035 import java.util.Collection; 036 import java.util.List; 037 038 /** 039 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 040 * @version $Revision$ 041 */ 042 public abstract class JCRCommand extends CRaSHCommand implements Completer { 043 044 protected JCRCommand() throws IntrospectionException { 045 } 046 047 public ValueCompletion complete(ParameterDescriptor<?> parameter, String prefix) throws Exception { 048 if (parameter.getJavaValueType() == Path.class) { 049 050 final Path path = (Path)getProperty("currentPath"); 051 final Session session = (Session)getProperty("session"); 052 053 // 054 if (session != null) { 055 056 AbstractPathCompleter<Node> pc = new AbstractPathCompleter<Node>() { 057 @Override 058 protected String getCurrentPath() throws Exception { 059 return path != null ? path.getString() : "/"; 060 } 061 062 @Override 063 protected Node getPath(String path) throws Exception { 064 try { 065 return (Node)session.getItem(path); 066 } 067 catch (RepositoryException e) { 068 return null; 069 } 070 } 071 072 @Override 073 protected boolean exists(Node path) throws Exception { 074 return path != null; 075 } 076 077 @Override 078 protected boolean isDirectory(Node path) throws Exception { 079 return true; 080 } 081 082 @Override 083 protected boolean isFile(Node path) throws Exception { 084 return false; 085 } 086 087 @Override 088 protected Collection<Node> getChilren(Node path) throws Exception { 089 List<Node> children = new ArrayList<Node>(); 090 for (NodeIterator i = path.getNodes();i.hasNext();) { 091 Node child = i.nextNode(); 092 children.add(child); 093 } 094 return children; 095 } 096 097 @Override 098 protected String getName(Node path) throws Exception { 099 return path.getName(); 100 } 101 }; 102 103 // 104 return pc.complete(parameter, prefix); 105 } 106 } 107 108 // 109 return ValueCompletion.create(); 110 } 111 }