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/*
* Copyright (C) 2011 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.sdklib.build.JarListSanitizer;
import com.android.sdklib.build.JarListSanitizer.DifferentLibException;
import com.android.sdklib.build.JarListSanitizer.Sha1Exception;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.taskdefs.ExecTask;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.resources.FileResource;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* Custom task to execute dx while handling dependencies.
*/
public class DexExecTask extends SingleDependencyTask {
private String mExecutable;
private String mOutput;
private boolean mVerbose = false;
private boolean mNoLocals = false;
private List<Path> mPathInputs;
private List<FileSet> mFileSetInputs;
/**
* Sets the value of the "executable" attribute.
* @param executable the value.
*/
public void setExecutable(Path executable) {
mExecutable = TaskHelper.checkSinglePath("executable", executable);
}
/**
* Sets the value of the "verbose" attribute.
* @param verbose the value.
*/
public void setVerbose(boolean verbose) {
mVerbose = verbose;
}
/**
* Sets the value of the "output" attribute.
* @param output the value.
*/
public void setOutput(Path output) {
mOutput = TaskHelper.checkSinglePath("output", output);
}
/**
* Sets the value of the "nolocals" attribute.
* @param verbose the value.
*/
public void setNoLocals(boolean nolocals) {
mNoLocals = nolocals;
}
/**
* Returns an object representing a nested <var>path</var> element.
*/
public Object createPath() {
if (mPathInputs == null) {
mPathInputs = new ArrayList<Path>();
}
Path path = new Path(getProject());
mPathInputs.add(path);
return path;
}
/**
* Returns an object representing a nested <var>path</var> element.
*/
public Object createFileSet() {
if (mFileSetInputs == null) {
mFileSetInputs = new ArrayList<FileSet>();
}
FileSet fs = new FileSet();
fs.setProject(getProject());
mFileSetInputs.add(fs);
return fs;
}
@Override
public void execute() throws BuildException {
// get all input paths
List<File> paths = new ArrayList<File>();
if (mPathInputs != null) {
for (Path pathList : mPathInputs) {
for (String path : pathList.list()) {
paths.add(new File(path));
}
}
}
if (mFileSetInputs != null) {
for (FileSet fs : mFileSetInputs) {
Iterator<?> iter = fs.iterator();
while (iter.hasNext()) {
FileResource fr = (FileResource) iter.next();
paths.add(fr.getFile());
}
}
}
// figure out the path to the dependency file.
String depFile = mOutput + ".d";
// get InputPath with no extension restrictions
List<InputPath> inputPaths = getInputPaths(paths, null /*extensionsToCheck*/,
null /*factory*/);
if (initDependencies(depFile, inputPaths) && dependenciesHaveChanged() == false) {
System.out.println(
"No new compiled code. No need to convert bytecode to dalvik format.");
return;
}
System.out.println(String.format(
"Converting compiled files and external libraries into %1$s...", mOutput));
ExecTask task = new ExecTask();
task.setProject(getProject());
task.setOwningTarget(getOwningTarget());
task.setExecutable(mExecutable);
task.setTaskName(getExecTaskName());
task.setFailonerror(true);
task.createArg().setValue("--dex");
if (mNoLocals) {
task.createArg().setValue("--no-locals");
}
if (mVerbose) {
task.createArg().setValue("--verbose");
}
task.createArg().setValue("--output");
task.createArg().setValue(mOutput);
paths = sanitizePaths(paths);
for (File f : paths) {
String absPath = f.getAbsolutePath();
System.out.println("Input: " + absPath);
task.createArg().setValue(absPath);
}
// execute it.
task.execute();
// generate the dependency file.
generateDependencyFile(depFile, inputPaths, mOutput);
}
@Override
protected String getExecTaskName() {
return "dx";
}
// private helper methods.
private List<File> sanitizePaths(List<File> paths) {
// first get the non-files.
List<File> results = new ArrayList<File>();
for (int i = 0 ; i < paths.size() ;) {
File f = paths.get(i);
// TEMP WORKAROUND: ignore classes.jar as all the output of libraries are
// called the same (in Ant) but are not actually the same jar file.
// TODO: Be aware of library output vs. regular jar dependency.
if (f.isFile() && f.getName().equals("classes.jar") == false) {
i++;
} else {
results.add(f);
paths.remove(i);
}
}
File outputFile = new File(mOutput);
JarListSanitizer sanitizer = new JarListSanitizer(outputFile.getParentFile());
try {
results.addAll(sanitizer.sanitize(paths));
} catch (DifferentLibException e) {
throw new BuildException(e.getMessage(), e);
} catch (Sha1Exception e) {
throw new BuildException(
"Failed to compute sha1 for " + e.getJarFile().getAbsolutePath(), e);
}
return results;
}
}
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