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  package com.taobao.android.builder.tasks.tpatch;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.JSONObject;
  import com.android.build.gradle.api.BaseVariantOutput;
  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.scope.ConventionMappingHelper;
  import com.android.build.gradle.internal.tasks.BaseTask;
  import com.taobao.android.builder.AtlasBuildContext;
  import com.taobao.android.builder.dependency.AtlasDependencyTree;
  import com.taobao.android.builder.dependency.diff.DependencyDiff;
  import com.taobao.android.builder.dependency.model.AwbBundle;
  import com.taobao.android.builder.tasks.manager.MtlBaseTaskAction;
  import com.taobao.android.builder.tools.bundleinfo.model.BundleInfo;
  import com.taobao.android.builder.tools.manifest.ManifestFileUtils;
  import com.taobao.android.object.ArtifactBundleInfo;
  import com.taobao.android.object.DiffType;
  import org.apache.commons.io.FileUtils;
  import org.apache.commons.lang.StringUtils;
  import org.dom4j.*;
  import org.dom4j.io.SAXReader;
  import org.gradle.api.GradleException;
  import org.gradle.api.tasks.*;
  import org.gradle.api.tasks.Optional;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.*;
  import java.util.concurrent.Callable;
  
  /**
   * Created by wuzhong on 16/6/24.
   */
  public class DiffBundleInfoTask extends BaseTask {
  
      private AppVariantOutputContext appVariantOutputContext;
  
      private File apDir;
  
      private File manifestFile;
  
      private File outJsonFile;
  
      private DependencyDiff dependencyDiff;
  
      @OutputDirectory
      @Optional
      public File getOutJsonFile() {
          return outJsonFile;
      }
  
      @InputFile
      @Optional
      public File getManifestFile() {
          return manifestFile;
      }
  
      public DependencyDiff getDependencyDiff() {
          return dependencyDiff;
      }
  
      @InputDirectory
      @Optional
      public File getApDir() {
          return apDir;
      }
  
      /**
       * Generate this file
       */
      @TaskAction
      public void generate() throws IOException {
  
          dependencyDiff = getDependencyDiff();
  
          //If it's patch, get the diff operation
          if (null == dependencyDiff) {
              return;
          }
  
          try {
              appVariantOutputContext.artifactBundleInfos = getArtifactBundleInfo(getDependencyDiff(),
                                                                                  getManifestFile(),
                                                                                  getApDir());
              FileUtils.writeStringToFile(new File(getOutJsonFile(), "dependencyDiff.json"),
                                          JSON.toJSONString(dependencyDiff, true));
          } catch (Exception e) {
              throw new GradleException(e.getMessage());
          }
      }
  
      private Set<ArtifactBundleInfo> getArtifactBundleInfo(DependencyDiff dependencyDiff,
                                                            File mainfestFile,
                                                            File apDir) throws IOException, DocumentException {
  
          Set<ArtifactBundleInfo> artifactBundleInfos = new HashSet<ArtifactBundleInfo>();
          if (null == apDir) {
              throw new GradleException("No Ap dependency found!");
          }
          File apManifest = new File(apDir, "AndroidManifest.xml");
          String apVersion = null;
          try {
              apVersion = ManifestFileUtils.getVersionName(apManifest);
          } catch (Exception e) {
              throw new GradleException(e.getMessage(), e);
          }
  
          Map<String,String> tagMap = new HashMap<>();
          JSONObject jsonObject = (JSONObject)JSON.parse(FileUtils.readFileToString(new File(apDir, "atlasFrameworkProperties.json")));
          JSONArray jsonArray = jsonObject.getJSONArray("bundleInfo");
          for (JSONObject obj : jsonArray.toArray(new JSONObject[0])){
              tagMap.put(obj.getString("pkgName"), obj.getString("unique_tag"));
          }
  
  
  
          // 2. Add your own bundle
          AtlasDependencyTree atlasDependencyTree = AtlasBuildContext.androidDependencyTrees.get(
                  appVariantOutputContext.getVariantContext().
                          getVariantConfiguration().getFullName());
  
          List<AwbBundle>modifyMbundles = new ArrayList<>();
          for (AwbBundle awbBundle : atlasDependencyTree.getAwbBundles()) {
              BundleInfo bundleInfo = awbBundle.bundleInfo;
              ArtifactBundleInfo awbBundleInfo = new ArtifactBundleInfo();
              awbBundleInfo.setMainBundle(false);
              awbBundleInfo.setDependency(newDependency(bundleInfo.getDependency(),appVariantOutputContext.getVariantContext()));
              awbBundleInfo.setPkgName(bundleInfo.getPkgName());
              awbBundleInfo.setApplicationName(bundleInfo.getApplicationName());
              awbBundleInfo.setArtifactId(awbBundle.getResolvedCoordinates().getArtifactId());
              awbBundleInfo.setName(bundleInfo.getName());
              //History bundle's tag todo
              awbBundleInfo.setSrcUnitTag(tagMap.get(bundleInfo.getPkgName()));
              awbBundleInfo.setUnitTag(bundleInfo.getUnique_tag());
              String version = bundleInfo.getVersion();
              if (version.indexOf("@") > 0) {
                  String[] arr = version.split("@");
                  version = arr[arr.length - 1];
              }
              awbBundleInfo.setVersion(version);
  
              //TODO
              bundleInfo.getUnique_tag();
  
              String libBundleName = getBundleName(awbBundle);
              if (dependencyDiff.getAwbDiffs().contains(libBundleName)) {
                  if (dependencyDiff.getNewAwbs().contains(libBundleName)) {
                      awbBundleInfo.setDiffType(DiffType.ADD);
                  } else {
                      awbBundleInfo.setDiffType(DiffType.MODIFY);
                  }
              } else {
                  awbBundleInfo.setDiffType(DiffType.NONE);
              }
  
              if (awbBundle.isMBundle) {
                  if (awbBundleInfo.getDiffType() == DiffType.ADD || awbBundleInfo.getDiffType() == DiffType.MODIFY) {
                      modifyMbundles.add(awbBundle);
                  }
                  continue;
              }
  
              artifactBundleInfos.add(awbBundleInfo);
          }
  
          // 1. First add the main bundle
          ArtifactBundleInfo mainBundleInfo = getMainArtifactBundInfo(mainfestFile);
          mainBundleInfo.setBaseVersion(apVersion);
          mainBundleInfo.setMainBundle(true);
          mainBundleInfo.setVersion(appVariantOutputContext.getVariantContext()
                  .getVariantConfiguration()
                  .getVersionName());
          if (dependencyDiff.getMainDexDiffs().size() > 0 || modifyMbundles.size() > 0) {
              mainBundleInfo.setDiffType(DiffType.MODIFY);
          } else {
              mainBundleInfo.setDiffType(DiffType.NONE);
          }
  
          mainBundleInfo.setSrcUnitTag(jsonObject.getString("unit_tag"));
          mainBundleInfo.setUnitTag(appVariantOutputContext.getVariantContext().unit_tag);
  
          artifactBundleInfos.add(mainBundleInfo);
  
          return artifactBundleInfos;
      }
  
      private List<String> newDependency(List<String> dependency,AppVariantContext appVariantContext) {
          List<String>dependencies = new ArrayList<>();
          if (appVariantContext.getAtlasExtension().getTBuildConfig().getAllBundlesToMdex()||dependency == null ||dependency.size() == 0){
              return dependencies;
          }
          for (String s:dependency){
              if (!appVariantContext.getAtlasExtension().getTBuildConfig().getBundleToMdex().contains(s)){
                  dependencies.add(s);
              }
          }
          return dependencies;
  
      }
  
      private String getBundleName(AwbBundle libraryDependency) {
          return libraryDependency.getResolvedCoordinates().getGroupId() +
                  ":" +
                  libraryDependency.getResolvedCoordinates().getArtifactId();
      }
  
      private static ArtifactBundleInfo getMainArtifactBundInfo(File manifestFile) {
          ArtifactBundleInfo mainBundleInfo = new ArtifactBundleInfo();
          SAXReader reader = new SAXReader();
          Document document = null;// Read the XML file
          try {
              document = reader.read(manifestFile);
          } catch (DocumentException e) {
              throw new GradleException(e.getMessage(), e);
          }
          Element root = document.getRootElement();// Get the root node
  
          List<? extends Node> metadataNodes = root.selectNodes("//meta-data");
          for (Node node : metadataNodes) {
              Element element = (Element) node;
              Attribute attribute = element.attribute("name");
              if (attribute.getValue().equals("label")) {
                  Attribute labelAttribute = element.attribute("value");
                  mainBundleInfo.setName(labelAttribute.getValue());
              }
          }
  
          List<? extends Node> applicatNodes = root.selectNodes("//application");
          for (Node node : applicatNodes) {
              Element element = (Element) node;
              Attribute attribute = element.attribute("name");
              if (attribute != null) {
                  mainBundleInfo.setApplicationName(attribute.getValue());
              }
          }
  
          if ("manifest".equalsIgnoreCase(root.getName())) {
              List<Attribute> attributes = root.attributes();
              for (Attribute attr : attributes) {
                  if (StringUtils.equalsIgnoreCase(attr.getName(), "versionName")) {
                      String versionName = attr.getValue();
                      mainBundleInfo.setVersion(versionName);
                  }
              }
          }
          String pkgName = root.attributeValue("package");
          mainBundleInfo.setPkgName(pkgName);
          return mainBundleInfo;
      }
  
      public static class ConfigAction extends MtlBaseTaskAction<DiffBundleInfoTask> {
  
          private AppVariantContext appVariantContext;
  
          public ConfigAction(AppVariantContext appVariantContext,
                              BaseVariantOutput baseVariantOutputData) {
              super(appVariantContext, baseVariantOutputData);
              this.appVariantContext = appVariantContext;
          }
  
          /**
           * Return the name of the task to be configured.
           */
          @Override
          public String getName() {
              return scope.getTaskName("diffBundleInfo");
          }
  
          /**
           * Return the class type of the task to be configured.
           */
          @Override
          public Class<DiffBundleInfoTask> getType() {
              return DiffBundleInfoTask.class;
          }
  
          /**
           * Performs this action against the given object.
           *
           * @param diffBundleInfoTask The object to perform the action on.
           */
          @Override
          public void execute(DiffBundleInfoTask diffBundleInfoTask) {
  
              super.execute(diffBundleInfoTask);
  
              if (!appVariantContext.getAtlasExtension().isAtlasEnabled()){
                  diffBundleInfoTask.setEnabled(false);
              }
  
              final GradleVariantConfiguration config = scope
                      .getVariantConfiguration();
  
              ConventionMappingHelper.map(diffBundleInfoTask, "outJsonFile", new Callable<File>() {
                  @Override
                  public File call() throws Exception {
                      File file = scope.getGlobalScope().getOutputsDir();
                      if (!file.exists()) {
                          file.mkdirs();
                      }
                      return file;
                  }
              });
  
              ConventionMappingHelper.map(diffBundleInfoTask, "manifestFile", new Callable<File>() {
                  @Override
                  public File call() throws Exception {
                      return com.android.utils.FileUtils.join(baseVariantOutput.getProcessManifest().getManifestOutputDirectory(), new String[]{baseVariantOutput.getDirName(), "AndroidManifest.xml"});
                  }
              });
  
              //Set the DependencyDiff
              ConventionMappingHelper.map(diffBundleInfoTask,
                                          "dependencyDiff",
                                          new Callable<DependencyDiff>() {
                                              @Override
                                              public DependencyDiff call() throws Exception {
                                                  return appVariantContext.getDependencyDiff();
                                              }
                                          });
  
              ConventionMappingHelper.map(diffBundleInfoTask, "apDir", new Callable<File>() {
                  @Override
                  public File call() throws Exception {
  
                      if (null != appVariantContext.apContext.getApExploredFolder() &&
                              appVariantContext.apContext.getApExploredFolder().exists()) {
                          return appVariantContext.apContext.getApExploredFolder();
                      }
                      return null;
                  }
              });
  
              diffBundleInfoTask.appVariantOutputContext = getAppVariantOutputContext();
          }
      }
  }
  