/*
* Copyright (c) 2007, Romain Guy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of the TimingFramework project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.clothocore.tool.pluginmanager.io;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
public class FileTreeWalker {
private File path;
private static final FileFilter directoryFilter = new FileFilter() {
public boolean accept(File pathname) {
return pathname.isDirectory();
}
};
private FileFilter filter;
public FileTreeWalker(File path) throws IOException {
this(path, new FileFilter() {
public boolean accept(File pathname) {
return pathname.isFile();
}
});
}
public FileTreeWalker(File path, FileFilter filter) throws IOException {
if (path == null || !path.exists() || path.isFile()) {
throw new IOException("Path " + path + " is not a valid directory.");
}
this.path = path;
this.filter = filter;
}
public void walk(FileTreeWalk walk) {
walkDirectory(walk, path);
}
private void walkDirectory(FileTreeWalk walk, File dir) {
File[] files = dir.listFiles(filter);
for (File file: files) {
walk.walk(file);
}
File[] dirs = dir.listFiles(directoryFilter);
for (File subDir: dirs) {
walkDirectory(walk, subDir);
}
}
}