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/**
* Copyright (C) 2012 The Android Open Source 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.android.inputmethod.latin.dicttool;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class Package {
private Package() {
// This container class is not publicly instantiable.
}
static public class Packager extends Dicttool.Command {
public static final String COMMAND = "package";
private final static String PREFIX = "dicttool";
private final static String SUFFIX = ".tmp";
public Packager() {
}
@Override
public String getHelp() {
return COMMAND + " <src_filename> <dst_filename>: Package a file for distribution";
}
@Override
public void run() throws IOException {
if (mArgs.length != 2) {
throw new RuntimeException("Too many/too few arguments for command " + COMMAND);
}
final File intermediateFile = File.createTempFile(PREFIX, SUFFIX);
try {
final Compress.Compressor compressCommand = new Compress.Compressor();
compressCommand.setArgs(new String[] { mArgs[0], intermediateFile.getPath() });
compressCommand.run();
final Crypt.Encrypter cryptCommand = new Crypt.Encrypter();
cryptCommand.setArgs(new String[] { intermediateFile.getPath(), mArgs[1] });
cryptCommand.run();
} finally {
intermediateFile.delete();
}
}
}
static public class Unpackager extends Dicttool.Command {
public static final String COMMAND = "unpackage";
public Unpackager() {
}
@Override
public String getHelp() {
return COMMAND + " <src_filename> <dst_filename>: Detects how a file is packaged and\n"
+ "decrypts/uncompresses as necessary to produce a raw binary file.";
}
@Override
public void run() throws FileNotFoundException, IOException {
if (mArgs.length != 2) {
throw new RuntimeException("Too many/too few arguments for command " + COMMAND);
}
final BinaryDictOffdeviceUtils.DecoderChainSpec decodedSpec =
BinaryDictOffdeviceUtils.getRawDictionaryOrNull(new File(mArgs[0]));
if (null == decodedSpec) {
System.out.println(mArgs[0] + " does not seem to be a dictionary");
return;
}
System.out.println("Packaging : " + decodedSpec.describeChain());
System.out.println("Uncompressed size : " + decodedSpec.mFile.length());
try (
final InputStream input = getFileInputStream(decodedSpec.mFile);
final OutputStream output = new BufferedOutputStream(
getFileOutputStreamOrStdOut(mArgs[1]))
) {
BinaryDictOffdeviceUtils.copy(input, output);
}
}
}
}
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