/
UnpackMojo.java
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/
UnpackMojo.java
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/*
* Copyright (C) 2009 Jayway AB
* Copyright (C) 2007-2008 JVending Masa
*
* 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.jayway.maven.plugins.android.phase04processclasses;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.codehaus.plexus.util.IOUtil;
import com.jayway.maven.plugins.android.AbstractAndroidMojo;
import com.jayway.maven.plugins.android.CommandExecutor;
/**
* unpack library.
*
* @author hugo.josefson@jayway.com
* @goal unpack
* @phase process-classes
* @requiresDependencyResolution compile
*/
public class UnpackMojo extends AbstractAndroidMojo {
/**
* If true, the library will be unpacked only when outputDirectory doesn't
* exist, i.e, a clean build for most cases.
*
* @parameter expression="${android.lazyLibraryUnpack}"
* default-value="false"
*/
private boolean lazyLibraryUnpack;
public void execute() throws MojoExecutionException, MojoFailureException {
CommandExecutor executor = CommandExecutor.Factory
.createDefaultCommmandExecutor();
executor.setLogger(this.getLog());
if (generateApk) {
// Unpack all dependent and main classes
unpackClasses();
}
}
private File unpackClasses() throws MojoExecutionException {
File outputDirectory = new File(project.getBuild().getDirectory(),
"android-classes");
if (lazyLibraryUnpack && outputDirectory.exists())
getLog().info("skip library unpacking due to lazyLibraryUnpack policy");
else {
for (Artifact artifact : getRelevantCompileArtifacts()) {
if (artifact.getFile().isDirectory()) {
try {
FileUtils
.copyDirectory(artifact.getFile(), outputDirectory);
} catch (IOException e) {
throw new MojoExecutionException(
"IOException while copying "
+ artifact.getFile().getAbsolutePath()
+ " into "
+ outputDirectory.getAbsolutePath(), e);
}
} else {
try {
unjar(new JarFile(artifact.getFile()), outputDirectory);
} catch (IOException e) {
throw new MojoExecutionException(
"IOException while unjarring "
+ artifact.getFile().getAbsolutePath()
+ " into "
+ outputDirectory.getAbsolutePath(), e);
}
}
}
}
try {
File sourceDirectory = new File(project.getBuild().getDirectory(), "classes");
FileUtils.copyDirectory(sourceDirectory, outputDirectory);
} catch (IOException e) {
throw new MojoExecutionException("IOException while copying "
+ sourceDirectory.getAbsolutePath() + " into "
+ outputDirectory.getAbsolutePath(), e);
}
return outputDirectory;
}
private void unjar(JarFile jarFile, File outputDirectory)
throws IOException {
for (Enumeration en = jarFile.entries(); en.hasMoreElements();) {
JarEntry entry = (JarEntry) en.nextElement();
File entryFile = new File(outputDirectory, entry.getName());
if (!entryFile.getParentFile().exists()
&& !entry.getName().startsWith("META-INF")) {
entryFile.getParentFile().mkdirs();
}
if (!entry.isDirectory() && entry.getName().endsWith(".class")) {
final InputStream in = jarFile.getInputStream(entry);
try {
final OutputStream out = new FileOutputStream(entryFile);
try {
IOUtil.copy(in, out);
} finally {
IOUtils.closeQuietly(out);
}
} finally {
IOUtils.closeQuietly(in);
}
}
}
}
}