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/*
* Copyright (C) 2012 The CyanogenMod Project
*
* 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 com.cyanogenmod.filemanager.commands.java;
import android.util.Log;
import com.cyanogenmod.filemanager.commands.CopyExecutable;
import com.cyanogenmod.filemanager.console.ExecutionException;
import com.cyanogenmod.filemanager.console.InsufficientPermissionsException;
import com.cyanogenmod.filemanager.console.NoSuchFileOrDirectory;
import com.cyanogenmod.filemanager.model.MountPoint;
import com.cyanogenmod.filemanager.util.MountPointHelper;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
/**
* A class for copy a file or directory.
*/
public class CopyCommand extends Program implements CopyExecutable {
private static final String TAG = "CopyCommand"; //$NON-NLS-1$
private final String mSrc;
private final String mDst;
/**
* Constructor of <code>CopyCommand</code>.
*
* @param src The name of the file or directory to be copied
* @param dst The name of the file or directory in which copy the source file or directory
*/
public CopyCommand(String src, String dst) {
super();
this.mSrc = src;
this.mDst = dst;
}
/**
* {@inheritDoc}
*/
@Override
public Boolean getResult() {
return Boolean.TRUE;
}
/**
* {@inheritDoc}
*/
@Override
public void execute()
throws InsufficientPermissionsException, NoSuchFileOrDirectory, ExecutionException {
if (isTrace()) {
Log.v(TAG,
String.format("Moving from %s to %s", //$NON-NLS-1$
this.mSrc, this.mDst));
}
File s = new File(this.mSrc);
File d = new File(this.mDst);
if (!s.exists()) {
if (isTrace()) {
Log.v(TAG, "Result: FAIL. NoSuchFileOrDirectory"); //$NON-NLS-1$
}
throw new NoSuchFileOrDirectory(this.mSrc);
}
//Copy recursively
if (!copyRecursive(s, d)) {
if (isTrace()) {
Log.v(TAG, "Result: FAIL. InsufficientPermissionsException"); //$NON-NLS-1$
}
throw new InsufficientPermissionsException();
}
if (isTrace()) {
Log.v(TAG, "Result: OK"); //$NON-NLS-1$
}
}
/**
* {@inheritDoc}
*/
@Override
public MountPoint getSrcWritableMountPoint() {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public MountPoint getDstWritableMountPoint() {
return MountPointHelper.getMountPointFromDirectory(this.mDst);
}
/**
* Method that copies recursively to the destination
*
* @param src The source file or folder
* @param dst The destination file or folder
* @return boolean If the operation complete successfully
* @throws ExecutionException If a problem was detected in the operation
*/
public boolean copyRecursive(final File src, final File dst) throws ExecutionException {
if (src.isDirectory()) {
// Create the directory
if (dst.exists() && !dst.isDirectory()) {
Log.e(TAG,
String.format("Failed to check destionation dir: %s", dst)); //$NON-NLS-1$
throw new ExecutionException("the path exists but is not a folder"); //$NON-NLS-1$
}
if (!dst.exists()) {
if (!dst.mkdir()) {
Log.e(TAG, String.format("Failed to create directory: %s", dst)); //$NON-NLS-1$
return false;
}
}
File[] files = src.listFiles();
if (files != null) {
for (int i = 0; i < files.length; i++) {
if (!copyRecursive(files[i], new File(dst, files[i].getName()))) {
return false;
}
}
}
} else {
// Copy the directory
if (!bufferedCopy(src, dst)) {
return false;
}
}
return true;
}
/**
* Method that copies a file
*
* @param src The source file
* @param dst The destination file
* @return boolean If the operation complete successfully
*/
public boolean bufferedCopy(final File src, final File dst) {
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try {
bis = new BufferedInputStream(new FileInputStream(src), getBufferSize());
bos = new BufferedOutputStream(new FileOutputStream(dst), getBufferSize());
int read = 0;
byte[] data = new byte[getBufferSize()];
while ((read = bis.read(data, 0, getBufferSize())) != -1) {
bos.write(data, 0, read);
}
return true;
} catch (Throwable e) {
Log.e(TAG,
String.format(TAG, "Failed to copy from %s to %d", src, dst), e); //$NON-NLS-1$
return false;
} finally {
try {
if (bis != null) {
bis.close();
}
} catch (Throwable e) {/**NON BLOCK**/}
try {
if (bos != null) {
bos.close();
}
} catch (Throwable e) {/**NON BLOCK**/}
}
}
}
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