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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.ant;
import com.android.manifmerger.ManifestMerger;
import com.android.sdklib.StdSdkLog;
import com.android.sdklib.io.FileOp;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.types.Path;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class ManifestMergerTask extends SingleDependencyTask {
private String mAppManifest;
private String mOutManifest;
private ArrayList<Path> mLibraryPaths;
private boolean mEnabled = false;
public void setAppManifest(Path appManifest) {
mAppManifest = TaskHelper.checkSinglePath("appManifest", appManifest);
}
public void setOutManifest(Path outManifest) {
mOutManifest = TaskHelper.checkSinglePath("outManifest", outManifest);
}
public void setEnabled(boolean enabled) {
mEnabled = enabled;
}
/**
* Returns an object representing a nested <var>library</var> element.
*/
public Object createLibrary() {
if (mLibraryPaths == null) {
mLibraryPaths = new ArrayList<Path>();
}
Path path = new Path(getProject());
mLibraryPaths.add(path);
return path;
}
@Override
public void execute() throws BuildException {
if (mAppManifest == null) {
throw new BuildException("Missing attribute appManifest");
}
if (mOutManifest == null) {
throw new BuildException("Missing attribute outManifest");
}
// if we merge, then get the rest of the input paths.
List<File> libraries = new ArrayList<File>();
if (mLibraryPaths != null) {
for (Path pathList : mLibraryPaths) {
for (String path : pathList.list()) {
libraries.add(new File(path));
}
}
}
// prepare input files
ArrayList<File> allInputs = new ArrayList<File>(libraries.size() + 1);
// always: the input manifest.
File appManifestFile = new File(mAppManifest);
allInputs.add(appManifestFile);
// if enabled: add the libraries
if (mEnabled) {
allInputs.addAll(libraries);
}
// figure out the path to the dependency file.
String depFile = mOutManifest + ".d";
// get InputPath with no extension restrictions
List<InputPath> inputPaths = getInputPaths(allInputs, null /*extensionsToCheck*/,
null /*factory*/);
if (initDependencies(depFile, inputPaths) && dependenciesHaveChanged() == false) {
System.out.println(
"No changes in the AndroidManifest files.");
return;
}
System.out.println("Merging AndroidManifest files into one.");
if (mEnabled == false || libraries.size() == 0) {
if (mEnabled == false) {
System.out.println("Manifest merger disabled. Using project manifest only.");
} else {
System.out.println("No libraries. Using project manifest only.");
}
// no merge (disabled or nothing to merge)? do a simple copy.
try {
new FileOp().copyFile(appManifestFile, new File(mOutManifest));
} catch (IOException e) {
throw new BuildException(e);
}
} else {
System.out.println(String.format("Merging manifests from project and %d libraries.",
libraries.size()));
ManifestMerger merger = new ManifestMerger(new StdSdkLog());
if (merger.process(
new File(mOutManifest),
appManifestFile,
libraries.toArray(new File[libraries.size()])) == false) {
throw new BuildException();
}
}
// generate the dependency file.
generateDependencyFile(depFile, inputPaths, mOutManifest);
}
@Override
protected String getExecTaskName() {
return "ManifestMerger";
}
}
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