/*
* The MIT License
*
* Copyright (c) 2009-2010, Vincent Sellier
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.jvnet.hudson.plugins.backup.utils;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import org.apache.commons.io.DirectoryWalker;
import org.apache.commons.io.filefilter.IOFileFilter;
import org.jvnet.hudson.plugins.backup.BackupException;
import org.jvnet.hudson.plugins.backup.utils.compress.Archiver;
import org.jvnet.hudson.plugins.backup.utils.compress.ArchiverException;
public class BackupEngine extends DirectoryWalker {
private BackupLogger logger;
private File source;
private int nbFiles = 0;
private int nbErrors = 0;
/**
* the length of the source string, to speed up walk
*/
private int sourceLength;
// private ZipOutputStream target;
private Archiver archiver;
public BackupEngine(BackupLogger logger, String sourceDirectory,
String targetName, Archiver archiver, IOFileFilter filter) throws BackupException {
super(filter, filter, -1);
this.logger = logger;
this.source = new File(sourceDirectory);
this.sourceLength = sourceDirectory.length();
File targetFile = new File(targetName);
logger.info("Full backup file name : " + targetFile.getAbsolutePath());
this.archiver = archiver;
try {
archiver.init(targetFile);
} catch (ArchiverException e) {
throw new BackupException(e);
}
}
@Override
protected void handleFile(File file, int depth, Collection results)
throws IOException {
if (!file.exists()) {
logger.warn("inconsistent file " + file.getAbsolutePath());
nbErrors++;
super.handleFile(file, depth, results);
return;
}
String name = getInArchiveName(file.getAbsolutePath());
logger.debug(name + " file");
try {
archiver.addFile(name, file);
} catch(ArchiverException e) {
logger.error(e.getMessage());
throw new IOException("Unable to add " + name);
}
nbFiles++;
super.handleFile(file, depth, results);
}
@Override
protected void handleEnd(Collection results) throws IOException {
try {
archiver.close();
} catch(ArchiverException e) {
logger.error(e.getMessage());
throw new IOException(e.getMessage());
}
logger.info("Saved files : " + nbFiles);
logger.info("Number of errors : " + nbErrors);
}
public void doBackup() throws BackupException {
try {
this.walk(source, new ArrayList<Object>());
} catch (IOException e) {
throw new BackupException(e);
}
}
/**
* Suppress the path to hudson working dir on the beginning of the path. +1
* because of the ending /
*
* @param absoluteName
* the name including dat path
* @return the archive name
*/
private String getInArchiveName(String absoluteName) {
return absoluteName.substring(sourceLength + 1);
}
}