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package com.taobao.android.builder.tasks.app.databinding;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import android.databinding.tool.DataBindingBuilder;
import com.android.annotations.NonNull;
import com.android.build.gradle.AndroidConfig;
import com.android.build.gradle.internal.api.AppVariantContext;
import com.android.build.gradle.internal.api.AppVariantOutputContext;
import com.android.build.gradle.internal.core.GradleVariantConfiguration;
import com.android.build.gradle.internal.tasks.BaseTask;
import com.android.build.gradle.internal.variant.ApkVariantOutputData;
import com.android.build.gradle.internal.variant.BaseVariantOutputData;
import com.android.builder.model.AndroidLibrary;
import com.google.common.base.Charsets;
import com.google.common.hash.HashCode;
import com.google.common.hash.HashFunction;
import com.google.common.hash.Hashing;
import com.google.common.io.ByteStreams;
import com.google.common.io.Closer;
import com.taobao.android.builder.AtlasBuildContext;
import com.taobao.android.builder.dependency.AtlasDependencyTree;
import com.taobao.android.builder.dependency.model.AwbBundle;
import com.taobao.android.builder.tasks.manager.MtlBaseTaskAction;
import com.taobao.android.builder.tools.concurrent.ExecutorServicesHelper;
import org.apache.commons.io.FileUtils;
import org.gradle.api.GradleException;
import org.gradle.api.tasks.TaskAction;
public class AwbDataBindingMergeArtifactsTask extends BaseTask {
static final String taskName = "dataBindingMergeAwbsArtifacts";
private AndroidConfig androidConfig;
private AppVariantContext appVariantContext;
private AppVariantOutputContext appVariantOutputContext;
private GradleVariantConfiguration config;
private ApkVariantOutputData variantOutputData;
/**
* 生成so的目录
*/
@TaskAction
void createAwbPackages() throws ExecutionException, InterruptedException {
AtlasDependencyTree atlasDependencyTree = AtlasBuildContext.androidDependencyTrees.get(getVariantName());
if (null == atlasDependencyTree) {
return;
}
ExecutorServicesHelper executorServicesHelper = new ExecutorServicesHelper(taskName, getLogger(), 0);
List<Runnable> runnables = new ArrayList<>();
for (final AwbBundle awbBundle : atlasDependencyTree.getAwbBundles()) {
runnables.add(new Runnable() {
@Override
public void run() {
try {
fullCopy(new File(appVariantContext.getAwbDataBindingMergeArtifacts(awbBundle),
DataBindingBuilder.ARTIFACT_FILES_DIR_FROM_LIBS),
awbBundle);
} catch (Throwable e) {
e.printStackTrace();
throw new GradleException("merge awb artifact failed");
}
}
});
}
executorServicesHelper.execute(runnables);
}
private void fullCopy(File outFolder, AwbBundle awbBundle) throws IOException {
FileUtils.deleteQuietly(outFolder);
FileUtils.forceMkdir(outFolder);
for (AndroidLibrary androidLibrary : awbBundle.getAllLibraryAars()) {
File dataBindingDir = new File(androidLibrary.getFolder(), "data-binding");
if (!dataBindingDir.exists()) {
continue;
}
File artifactFolder = new File(dataBindingDir,
DataBindingBuilder.INCREMENTAL_BIN_AAR_DIR);
if (!artifactFolder.exists()) {
continue;
}
//noinspection ConstantConditions
for (String artifactName : artifactFolder.list()) {
if (isResource(artifactName)) {
FileUtils.copyFile(new File(artifactFolder, artifactName),
new File(outFolder, artifactName));
}
}
}
for (File jarFile : awbBundle.getLibraryJars()) {
extractBinFilesFromJar(outFolder, jarFile);
}
for (String fileName : outFolder.list()) {
if (fileName.endsWith("br.bin") || fileName.endsWith("layout.bin") || fileName.endsWith(
"setter_store.bin")) {
awbBundle.setDataBindEnabled(true);
break;
}
}
}
private static boolean isResource(String fileName) {
for (String ext : DataBindingBuilder.RESOURCE_FILE_EXTENSIONS) {
if (fileName.endsWith(ext)) {
return true;
}
}
return false;
}
private void extractBinFilesFromJar(File outFolder, File jarFile) throws IOException {
File jarOutFolder = getOutFolderForJarFile(outFolder, jarFile);
FileUtils.deleteQuietly(jarOutFolder);
FileUtils.forceMkdir(jarOutFolder);
try (Closer localCloser = Closer.create()) {
FileInputStream fis = localCloser.register(new FileInputStream(jarFile));
ZipInputStream zis = localCloser.register(new ZipInputStream(fis));
ZipEntry entry;
while ((entry = zis.getNextEntry()) != null) {
if (entry.isDirectory()) {
continue;
}
String name = entry.getName();
if (!isResource(name)) {
continue;
}
// get rid of the path. We don't need it since the file name includes the domain
name = new File(name).getName();
File out = new File(jarOutFolder, name);
//noinspection ResultOfMethodCallIgnored
FileOutputStream fos = localCloser.register(new FileOutputStream(out));
ByteStreams.copy(zis, fos);
zis.closeEntry();
}
}
}
@NonNull
private File getOutFolderForJarFile(File outFolder, File jarFile) {
return new File(outFolder, getJarFilePrefix(jarFile));
}
/**
* Files exported from jars are exported into a certain folder so that we can rebuild them
* when the related jar file changes.
*/
@NonNull
private static String getJarFilePrefix(@NonNull File inputFile) {
// get the filename
String name = inputFile.getName();
// remove the extension
int pos = name.lastIndexOf('.');
if (pos != -1) {
name = name.substring(0, pos);
}
// add a hash of the original file path.
String input = inputFile.getAbsolutePath();
HashFunction hashFunction = Hashing.sha1();
HashCode hashCode = hashFunction.hashString(input, Charsets.UTF_16LE);
return name + "-" + hashCode.toString();
}
public static class ConfigAction extends MtlBaseTaskAction<AwbDataBindingMergeArtifactsTask> {
private AppVariantContext appVariantContext;
public ConfigAction(AppVariantContext appVariantContext, BaseVariantOutputData baseVariantOutputData) {
super(appVariantContext, baseVariantOutputData);
this.appVariantContext = appVariantContext;
}
@Override
public String getName() {
return scope.getTaskName(taskName);
}
@Override
public Class<AwbDataBindingMergeArtifactsTask> getType() {
return AwbDataBindingMergeArtifactsTask.class;
}
@Override
public void execute(AwbDataBindingMergeArtifactsTask packageAwbsTask) {
super.execute(packageAwbsTask);
packageAwbsTask.androidConfig = appVariantContext.getAppExtension();
packageAwbsTask.appVariantContext = appVariantContext;
packageAwbsTask.appVariantOutputContext = getAppVariantOutputContext();
packageAwbsTask.config = scope.getVariantScope().getVariantConfiguration();
packageAwbsTask.variantOutputData = (ApkVariantOutputData)scope.getVariantOutputData();
}
}
}