001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.scan;
023    
024    import java.io.IOException;
025    import java.io.InputStream;
026    
027    import org.jboss.vfs.VirtualFile;
028    
029    
030    /**
031     * @author Franck WOLFF
032     */
033    public class VFS3FileScannedItem extends AbstractScannedItem {
034    
035        private final VirtualFile root;
036        private final VirtualFile file;
037        
038        private String relativePath = null;
039    
040        
041        public VFS3FileScannedItem(Scanner scanner, VFS3FileScannedItem marker, VirtualFile root, VirtualFile file) {
042            super(scanner, marker);
043    
044            this.root = root;
045            this.file = file;
046        }
047    
048        public long getSize() {
049                    return file.getSize();
050        }
051    
052        public InputStream getInputStream() throws IOException {
053            return file.openStream();
054        }
055    
056        public String getName() {
057            return file.getName();
058        }
059        
060        public String getAbsolutePath() {
061            return file.getPathName();
062        }
063    
064            public String getRelativePath() {
065                    if (relativePath == null) {
066                    StringBuffer sb = new StringBuffer();
067                    for (VirtualFile f = file; f != null && !root.equals(f); f = f.getParent()) {
068                        if (sb.length() > 0)
069                            sb.insert(0, '/');
070                        sb.insert(0, f.getName());
071                    }
072                    relativePath = sb.toString();
073                    }
074                    return relativePath;
075            }
076    
077            
078        @Override
079        public boolean equals(Object obj) {
080            if (obj == this)
081                return true;
082            if (!(obj instanceof VFS3FileScannedItem))
083                return false;
084            return file.equals(((VFS3FileScannedItem)obj).file) && root.equals(((VFS3FileScannedItem)obj).root);
085        }
086    
087        @Override
088        public int hashCode() {
089            return root.hashCode() + (31 * file.hashCode());
090        }
091    }