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/*
* Copyright (C) 2017 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.tools.appbundle.bundle2installable;
import com.android.tools.appbundle.bundle2installable.util.PathUtils;
import com.android.tools.appbundle.bundle2installable.util.ZipUtils;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipOutputStream;
/**
* Class that takes a bundle and outputs the zipped modules from it.
*
* As modules are being processed separately, this will put them in the right
* input format.
*
* By default it outputs all modules contained in the bundle.
*/
public class ModuleZipMaker {
public static void generateModuleZips(String bundleFile, String outputDirectory)
throws IOException {
ZipFile bundleZip = new ZipFile(bundleFile);
Enumeration<? extends ZipEntry> e = bundleZip.entries();
Map<String, List<ZipEntry>> moduleEntries = new HashMap<>();
ZipEntry entry;
while (e.hasMoreElements()) {
entry = e.nextElement();
System.out.println(String.format("Entry: %s", entry.getName()));
Path p = Paths.get(entry.getName());
if (p.getNameCount() > 1) {
String moduleName = p.getName(0).toString();
if (!moduleEntries.containsKey(moduleName)) {
moduleEntries.put(moduleName, new ArrayList<ZipEntry>());
}
if (!entry.isDirectory()) {
moduleEntries.get(moduleName).add(entry);
}
}
}
for (String moduleDirectory : moduleEntries.keySet()) {
System.out.println(String.format("Module: %s", moduleDirectory));
for (ZipEntry moduleEntry : moduleEntries.get(moduleDirectory)) {
System.out.println(String.format("Entry : %s", moduleEntry.getName()));
}
deflateModule(Paths.get(outputDirectory, moduleDirectory + ".zip").toString(),
bundleZip, moduleEntries.get(moduleDirectory));
}
}
private static void deflateModule(String moduleZipOutput, ZipFile bundleFile,
List<ZipEntry> entries) throws IOException {
ZipOutputStream outputStream = new ZipOutputStream(new FileOutputStream(moduleZipOutput));
for (ZipEntry entry : entries) {
ZipUtils.writeEntry(PathUtils.getFilePathWithoutTopLevel(entry.getName()), outputStream,
bundleFile.getInputStream(entry));
}
outputStream.close();
}
private static boolean isModuleDirectory(ZipEntry entry) {
throw new UnsupportedOperationException("Not implemented yet");
}
}
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