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.File;
025 import java.io.FileInputStream;
026 import java.io.IOException;
027 import java.io.InputStream;
028
029 /**
030 * @author Franck WOLFF
031 */
032 public class FileScannedItem extends AbstractScannedItem {
033
034 private final File root;
035 private final File file;
036
037 private String relativePath = null;
038
039 public FileScannedItem(Scanner scanner, FileScannedItem marker, File root, File file) {
040 super(scanner, marker);
041
042 this.root = root;
043 this.file = file;
044 }
045
046 public File getRoot() {
047 return root;
048 }
049
050 public File getFile() {
051 return file;
052 }
053
054 public long getSize() {
055 return file.length();
056 }
057
058 public InputStream getInputStream() throws IOException {
059 return new FileInputStream(file);
060 }
061
062 public String getName() {
063 return file.getName();
064 }
065
066 public String getRelativePath() {
067 if (relativePath == null) {
068 StringBuffer sb = new StringBuffer();
069 for (File f = file; f != null && !root.equals(f); f = f.getParentFile()) {
070 if (sb.length() > 0)
071 sb.insert(0, '/');
072 sb.insert(0, f.getName());
073 }
074 relativePath = sb.toString();
075 }
076 return relativePath;
077 }
078
079 public String getAbsolutePath() {
080 return file.getAbsolutePath();
081 }
082
083 @Override
084 public boolean equals(Object obj) {
085 if (obj == this)
086 return true;
087 if (!(obj instanceof FileScannedItem))
088 return false;
089 return file.equals(((FileScannedItem)obj).file) && root.equals(((FileScannedItem)obj).root);
090 }
091
092 @Override
093 public int hashCode() {
094 return root.hashCode() + (31 * file.hashCode());
095 }
096 }