001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.scan;
022    
023    import java.io.IOException;
024    import java.io.InputStream;
025    
026    import org.jboss.virtual.VirtualFile;
027    
028    
029    /**
030     * @author Franck WOLFF
031     */
032    public class VFSFileScannedItem extends AbstractScannedItem {
033    
034        private final VirtualFile root;
035        private final VirtualFile file;
036        
037        private String relativePath = null;
038    
039        
040        public VFSFileScannedItem(Scanner scanner, VFSFileScannedItem marker, VirtualFile root, VirtualFile file) {
041            super(scanner, marker);
042    
043            this.root = root;
044            this.file = file;
045        }
046    
047        public long getSize() {
048            try {
049                    return file.getSize();
050            }
051            catch (IOException e) {
052                    throw new RuntimeException("Could not get size fo file " + file, e);
053            }
054        }
055    
056        public InputStream getInputStream() throws IOException {
057            return file.openStream();
058        }
059    
060        public String getName() {
061            return file.getName();
062        }
063        
064        public String getAbsolutePath() {
065            return file.getPathName();
066        }
067    
068            public String getRelativePath() {
069                    if (relativePath == null) {
070                            try {
071                            StringBuffer sb = new StringBuffer();
072                            for (VirtualFile f = file; f != null && !root.equals(f); f = f.getParent()) {
073                                if (sb.length() > 0)
074                                    sb.insert(0, '/');
075                                sb.insert(0, f.getName());
076                            }
077                            relativePath = sb.toString();
078                            }
079                            catch (IOException e) {
080                                    throw new RuntimeException("Could not get path for file " + file, e);
081                            }
082                    }
083                    return relativePath;
084            }
085    
086            
087        @Override
088        public boolean equals(Object obj) {
089            if (obj == this)
090                return true;
091            if (!(obj instanceof VFSFileScannedItem))
092                return false;
093            return file.equals(((VFSFileScannedItem)obj).file) && root.equals(((VFSFileScannedItem)obj).root);
094        }
095    
096        @Override
097        public int hashCode() {
098            return root.hashCode() + (31 * file.hashCode());
099        }
100    }