woko.mojos.FolderCopy Maven / Gradle / Ivy
/*
* Copyright 2001-2012 Remi Vankeisbelck
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package woko.mojos;
import com.google.common.io.Files;
import java.io.File;
import java.io.IOException;
public class FolderCopy {
public static interface CopyCallback {
void onCopy(File fromDir, File toDir, File f);
}
public static void copy(File fromDir, File toDir, CopyCallback callback) throws IOException {
copyRecurse(fromDir, toDir, fromDir, callback);
}
private static void copyRecurse(File fromDir, File toDir, File f, CopyCallback callback) throws IOException {
if (f.isDirectory()) {
for (File child : f.listFiles()) {
copyRecurse(fromDir, toDir, child, callback);
}
} else {
// do copy
String toDirPath = toDir.getAbsolutePath();
String fromDirPath = fromDir.getAbsolutePath();
String fPath = f.getAbsolutePath();
String relativePath = fPath.substring(fromDirPath.length(), fPath.length());
String newPath = toDirPath + relativePath;
File newFile = new File(newPath);
if (!newFile.exists()) {
new File(newFile.getParent()).mkdirs();
}
Files.copy(f, newFile);
if (callback!=null) {
callback.onCopy(fromDir, toDir, f);
}
}
}
}