001 /* 002 * Copyright (C) 2012 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.cli.impl.descriptor.IntrospectionException; 023 import org.crsh.cli.descriptor.ParameterDescriptor; 024 import org.crsh.cli.completers.AbstractPathCompleter; 025 import org.crsh.cli.spi.Completer; 026 import org.crsh.cli.spi.Completion; 027 import org.crsh.command.CRaSHCommand; 028 029 import javax.jcr.Node; 030 import javax.jcr.NodeIterator; 031 import javax.jcr.RepositoryException; 032 import javax.jcr.Session; 033 import java.util.ArrayList; 034 import java.util.Collection; 035 import java.util.List; 036 037 public abstract class JCRCommand extends CRaSHCommand implements PathCompleter { 038 039 protected JCRCommand() throws IntrospectionException { 040 } 041 042 public Completion complete(ParameterDescriptor parameter, String prefix) throws Exception { 043 if (parameter.getCompleterType() == PathCompleter.class) { 044 045 final Path path = (Path)getProperty("currentPath"); 046 final Session session = (Session)getProperty("session"); 047 048 // 049 if (session != null) { 050 051 AbstractPathCompleter<Node> pc = new AbstractPathCompleter<Node>() { 052 @Override 053 protected String getCurrentPath() throws Exception { 054 return path != null ? path.getValue() : "/"; 055 } 056 057 @Override 058 protected Node getPath(String path) throws Exception { 059 try { 060 return (Node)session.getItem(path); 061 } 062 catch (RepositoryException e) { 063 return null; 064 } 065 } 066 067 @Override 068 protected boolean exists(Node path) throws Exception { 069 return path != null; 070 } 071 072 @Override 073 protected boolean isDirectory(Node path) throws Exception { 074 return true; 075 } 076 077 @Override 078 protected boolean isFile(Node path) throws Exception { 079 return false; 080 } 081 082 @Override 083 protected Collection<Node> getChilren(Node path) throws Exception { 084 List<Node> children = new ArrayList<Node>(); 085 for (NodeIterator i = path.getNodes();i.hasNext();) { 086 Node child = i.nextNode(); 087 children.add(child); 088 } 089 return children; 090 } 091 092 @Override 093 protected String getName(Node path) throws Exception { 094 return path.getName(); 095 } 096 }; 097 098 // 099 return pc.complete(parameter, prefix); 100 } 101 } 102 103 // 104 return Completion.create(); 105 } 106 }