001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2014 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 */
022package org.granite.scan;
023
024import java.io.IOException;
025import java.io.InputStream;
026
027import org.jboss.virtual.VirtualFile;
028
029
030/**
031 * @author Franck WOLFF
032 */
033public class VFSFileScannedItem extends AbstractScannedItem {
034
035    private final VirtualFile root;
036    private final VirtualFile file;
037    
038    private String relativePath = null;
039
040    
041    public VFSFileScannedItem(Scanner scanner, VFSFileScannedItem 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        try {
050                return file.getSize();
051        }
052        catch (IOException e) {
053                throw new RuntimeException("Could not get size fo file " + file, e);
054        }
055    }
056
057    public InputStream getInputStream() throws IOException {
058        return file.openStream();
059    }
060
061    public String getName() {
062        return file.getName();
063    }
064    
065    public String getAbsolutePath() {
066        return file.getPathName();
067    }
068
069        public String getRelativePath() {
070                if (relativePath == null) {
071                        try {
072                        StringBuffer sb = new StringBuffer();
073                        for (VirtualFile f = file; f != null && !root.equals(f); f = f.getParent()) {
074                            if (sb.length() > 0)
075                                sb.insert(0, '/');
076                            sb.insert(0, f.getName());
077                        }
078                        relativePath = sb.toString();
079                        }
080                        catch (IOException e) {
081                                throw new RuntimeException("Could not get path for file " + file, e);
082                        }
083                }
084                return relativePath;
085        }
086
087        
088    @Override
089    public boolean equals(Object obj) {
090        if (obj == this)
091            return true;
092        if (!(obj instanceof VFSFileScannedItem))
093            return false;
094        return file.equals(((VFSFileScannedItem)obj).file) && root.equals(((VFSFileScannedItem)obj).root);
095    }
096
097    @Override
098    public int hashCode() {
099        return root.hashCode() + (31 * file.hashCode());
100    }
101}