Java tutorial
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We also recommend that a * file or class name and description of purpose be included on the * same "printed page" as the copyright notice for easier * identification within third-party archives. * * Copyright 2016 Alibaba Group * * 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.taobao.android.builder.tasks.app.databinding; import java.io.File; import java.io.FileFilter; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.concurrent.ExecutionException; 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.api.AwbTransform; 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.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.FileNameUtils; import com.taobao.android.builder.tools.asm.ClassNameRenamer; import com.taobao.android.builder.tools.asm.ClazzReplacer; 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 AwbDataBindingRenameTask extends BaseTask { static final String taskName = "dataBindingRename"; private AndroidConfig androidConfig; private AppVariantContext appVariantContext; private AppVariantOutputContext appVariantOutputContext; private GradleVariantConfiguration config; private ApkVariantOutputData variantOutputData; /** * ?so */ @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()) { if (!awbBundle.isDataBindEnabled()) { continue; } runnables.add(new Runnable() { @Override public void run() { try { File dataBindingClazzFolder = appVariantOutputContext.getVariantContext() .getJAwbavaOutputDir(awbBundle); String packageName = awbBundle.getPackageName(); String appName = awbBundle.getPackageName() + "._bundleapp_"; //? File dataMapperClazz = new File(dataBindingClazzFolder, "android/databinding/DataBinderMapper.class"); if (!dataMapperClazz.exists()) { throw new GradleException("missing datamapper class"); } rewriteDataBinderMapper(dataBindingClazzFolder, packageName, dataMapperClazz); //FileUtils.deleteDirectory(new File(dataBindingClazzFolder, packageName.replace(".", "/") + // "/_bundleapp_" )); File appDir = new File(dataBindingClazzFolder, appName.replace(".", "/")); if (appDir.exists()) { File[] files = appDir.listFiles(new FileFilter() { @Override public boolean accept(File pathname) { return pathname.isFile() && !pathname.isDirectory(); } }); for (File tmp : files) { FileUtils.forceDelete(tmp); } } //rename DataBindUtils AwbTransform awbTransform = appVariantOutputContext.getAwbTransformMap() .get(awbBundle.getName()); List<File> files = awbTransform.getInputLibraries(); Map<String, String> replaceMap = new HashMap<>(); replaceMap.put("android/databinding/DataBindingUtil", "android/databinding/AtlasDataBindingUtil"); List<File> newLibrarys = new ArrayList<>(); for (File inputJar : files) { File outputJar = new File(appVariantContext.getAwbLibraryDirForDataBinding(awbBundle), FileNameUtils.getUniqueJarName(inputJar) + ".jar"); outputJar.delete(); outputJar.getParentFile().mkdirs(); outputJar.createNewFile(); new ClazzReplacer(inputJar, outputJar, replaceMap).execute(); newLibrarys.add(outputJar); } awbTransform.setInputLibraries(newLibrarys); } catch (Throwable e) { e.printStackTrace(); throw new GradleException("databinding awb failed", e); } } }); } executorServicesHelper.execute(runnables); } public static class ConfigAction extends MtlBaseTaskAction<AwbDataBindingRenameTask> { 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<AwbDataBindingRenameTask> getType() { return AwbDataBindingRenameTask.class; } @Override public void execute(AwbDataBindingRenameTask packageAwbsTask) { super.execute(packageAwbsTask); packageAwbsTask.androidConfig = appVariantContext.getAppExtension(); packageAwbsTask.appVariantContext = appVariantContext; packageAwbsTask.appVariantOutputContext = getAppVariantOutputContext(); packageAwbsTask.config = scope.getVariantScope().getVariantConfiguration(); packageAwbsTask.variantOutputData = (ApkVariantOutputData) scope.getVariantOutputData(); } } private void rewriteDataBinderMapper(File dataBindingClazzFolder, String packageName, File dataMapperClazz) throws IOException { ClassNameRenamer.rewriteDataBinderMapper(dataBindingClazzFolder, "android/databinding/DataBinderMapper", packageName.replace(".", "/") + "/DataBinderMapper", dataMapperClazz); FileUtils.deleteDirectory(new File(dataBindingClazzFolder, "android/databinding")); FileUtils.deleteDirectory(new File(dataBindingClazzFolder, "com/android/databinding")); } }