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 Lesser General Public License as published by
009      the Free Software Foundation; either version 3 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 Lesser General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Lesser 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.vfs.VirtualFile;
027    
028    
029    /**
030     * @author Franck WOLFF
031     */
032    public class VFS3FileScannedItem extends AbstractScannedItem {
033    
034        private final VirtualFile root;
035        private final VirtualFile file;
036        
037        private String relativePath = null;
038    
039        
040        public VFS3FileScannedItem(Scanner scanner, VFS3FileScannedItem 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                    return file.getSize();
049        }
050    
051        public InputStream getInputStream() throws IOException {
052            return file.openStream();
053        }
054    
055        public String getName() {
056            return file.getName();
057        }
058        
059        public String getAbsolutePath() {
060            return file.getPathName();
061        }
062    
063            public String getRelativePath() {
064                    if (relativePath == null) {
065                    StringBuffer sb = new StringBuffer();
066                    for (VirtualFile f = file; f != null && !root.equals(f); f = f.getParent()) {
067                        if (sb.length() > 0)
068                            sb.insert(0, '/');
069                        sb.insert(0, f.getName());
070                    }
071                    relativePath = sb.toString();
072                    }
073                    return relativePath;
074            }
075    
076            
077        @Override
078        public boolean equals(Object obj) {
079            if (obj == this)
080                return true;
081            if (!(obj instanceof VFS3FileScannedItem))
082                return false;
083            return file.equals(((VFS3FileScannedItem)obj).file) && root.equals(((VFS3FileScannedItem)obj).root);
084        }
085    
086        @Override
087        public int hashCode() {
088            return root.hashCode() + (31 * file.hashCode());
089        }
090    }