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  package com.taobao.android.builder.tools.manifest;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Set;
  
  import com.android.build.gradle.internal.api.AppVariantContext;
  import com.android.builder.model.AndroidLibrary;
  import com.android.manifmerger.ManifestProvider;
  import com.google.common.collect.Sets;
  import com.taobao.android.builder.dependency.AtlasDependencyTree;
  import com.taobao.android.builder.dependency.model.AwbBundle;
  import com.taobao.android.builder.extension.AtlasExtension;
  import com.taobao.android.builder.tools.bundleinfo.model.BundleInfo;
  import org.apache.commons.lang.StringUtils;
  import org.dom4j.Attribute;
  import org.dom4j.Document;
  import org.dom4j.DocumentException;
  import org.dom4j.Element;
  import org.dom4j.Node;
  import org.dom4j.io.SAXReader;
  import org.gradle.api.GradleException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Created by wuzhong on 2017/3/6.
   */
  public class ManifestHelper {
  
      private static Logger sLogger = LoggerFactory.getLogger(ManifestHelper.class);
  
      public static List<ManifestProvider> getBundleManifest(AppVariantContext appVariantContext,
                                                             AtlasDependencyTree dependencyTree,
                                                             AtlasExtension atlasExtension) {
  
          Set<String> notMergedArtifacts = getNotMergedBundles(atlasExtension);
  
          List<ManifestProvider> bundleProviders = new ArrayList<>();
  
          for (AwbBundle awbBundle : dependencyTree.getAwbBundles()) {
              String cord = String.format("%s:%s",
                                          awbBundle.getResolvedCoordinates().getGroupId(),
                                          awbBundle.getResolvedCoordinates().getArtifactId());
  
              if (null != notMergedArtifacts && notMergedArtifacts.contains(cord)) {
                  continue;
              }
  
              bundleProviders.add(createManifestProvider(awbBundle.getAndroidLibrary(), appVariantContext));
  
              for (AndroidLibrary androidLibrary : awbBundle.getAndroidLibraries()) {
                  bundleProviders.add(createManifestProvider(androidLibrary, appVariantContext));
              }
  
          }
  
          return bundleProviders;
  
      }
  
      public static boolean checkManifest(AppVariantContext appVariantContext, File fullManifest,
                                          AtlasDependencyTree dependencyTree,
                                          AtlasExtension atlasExtension) throws DocumentException {
  
          Set<String> notMergedArtifacts = getNotMergedBundles(atlasExtension);
  
          BundleInfo mainBundleInfo = new BundleInfo();
          collectBundleInfo(appVariantContext, mainBundleInfo, fullManifest, null);
  
          List<String> errors = new ArrayList<>();
          for (AwbBundle awbBundle : dependencyTree.getAwbBundles()) {
              String cord = String.format("%s:%s",
                                          awbBundle.getResolvedCoordinates().getGroupId(),
                                          awbBundle.getResolvedCoordinates().getArtifactId());
  
              if (null != notMergedArtifacts && notMergedArtifacts.contains(cord)) {
                  continue;
              }
  
              for (String activity : awbBundle.bundleInfo.getActivities()) {
                  if (StringUtils.isNotEmpty(activity) && !mainBundleInfo.getActivities().contains(activity)) {
                      errors.add("miss activity:" + activity);
                  }
              }
  
              for (String service : awbBundle.bundleInfo.getServices()) {
                  if (StringUtils.isNotEmpty(service) && !mainBundleInfo.getServices().contains(service)) {
                      errors.add("miss service:" + service);
                  }
              }
  
              if (!atlasExtension.getManifestOptions().isRemoveProvider()) {
                  for (String provider : awbBundle.bundleInfo.getContentProviders()) {
                      if (StringUtils.isNotEmpty(provider) && !mainBundleInfo.getContentProviders().contains(provider)) {
                          errors.add("miss provider:" + provider);
                      }
                  }
              }
  
              for (String receiver : awbBundle.bundleInfo.getReceivers()) {
                  if (StringUtils.isNotEmpty(receiver) && !mainBundleInfo.getReceivers().contains(receiver)) {
                      errors.add("miss receiver:" + receiver);
                  }
              }
  
          }
  
          if (errors.isEmpty()) {
              return true;
          }
  
          for (String err : errors) {
              sLogger.error(err);
          }
  
          throw new GradleException("manifest merge error :" + StringUtils.join(errors, ","));
      }
  
      private static Set<String> getNotMergedBundles(AtlasExtension atlasExtension) {
          Set<String> notMergedArtifacts = Sets.newHashSet();
          if (null != atlasExtension.getManifestOptions() &&
              null != atlasExtension.getManifestOptions().getNotMergedBundles()) {
              notMergedArtifacts = atlasExtension.getManifestOptions().getNotMergedBundles();
          }
          return notMergedArtifacts;
      }
  
      private static ManifestProvider createManifestProvider(AndroidLibrary androidLibrary,
                                                             AppVariantContext appVariantContext) {
          File modifyManifest = getModifyManifestFile(androidLibrary, appVariantContext);
          return new BundleManifestProvider(modifyManifest);
      }
  
      private static File getModifyManifestFile(AndroidLibrary androidLibrary, AppVariantContext appVariantContext) {
          return getModifyManifestFile(androidLibrary.getManifest(), appVariantContext);
      }
  
      public static File getModifyManifestFile(File manifest, AppVariantContext appVariantContext) {
  
          File modifyManifest = (File)appVariantContext.manifestMap.get(manifest.getAbsolutePath());
  
          //sLogger.error("get file : " + manifest.getAbsolutePath() + "->" + modifyManifest);
  
          if (null == modifyManifest || !modifyManifest.exists()) {
              return manifest;
          }
          return modifyManifest;
      }
  
      public static void collectBundleInfo(AppVariantContext appVariantContext, BundleInfo bundleInfo, File manifest,
                                           List<AndroidLibrary> androidLibraries)
          throws DocumentException {
          SAXReader reader = new SAXReader();
          Document document = reader.read(getModifyManifestFile(manifest, appVariantContext));// Read the XML file
          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");
                  bundleInfo.setName(labelAttribute.getValue());
              } else if (attribute.getValue().equals("description")) {
                  Attribute descAttribute = element.attribute("value");
                  bundleInfo.setDesc(descAttribute.getValue());
              } else if(attribute.getValue().startsWith("atlas.fragment.intent.action.")){
                  bundleInfo.getRemoteFragments().put(attribute.getValue(),
                          element.attribute("value").getValue());
              }else if(attribute.getValue().startsWith("atlas.view.intent.action")){
                  bundleInfo.getRemoteViews().put(attribute.getValue(),
                          element.attribute("value").getValue());
              }else if(attribute.getValue().startsWith("atlas.transaction.intent.action")){
                  bundleInfo.getRemoteTransactors().put(attribute.getValue(),
                          element.attribute("value").getValue());
              }
          }
  
          addComponents(bundleInfo, root);
  
          if (null != androidLibraries) {
              for (AndroidLibrary depLib : androidLibraries) {
                  SAXReader reader2 = new SAXReader();
                  Document document2 = reader2.read(
                      getModifyManifestFile(depLib.getManifest(), appVariantContext));// Read the XML file
                  Element root2 = document2.getRootElement();// Get the root node
                  addComponents(bundleInfo, root2);
              }
          }
  
      }
  
      private static void addComponents(BundleInfo bundleInfo, Element root) {
          List<? extends Node> serviceNodes = root.selectNodes("//service");
          for (Node node : serviceNodes) {
              Element element = (Element)node;
              Attribute attribute = element.attribute("name");
              addToList(bundleInfo.getServices(),attribute.getValue());
          }
          List<? extends Node> receiverNodes = root.selectNodes("//receiver");
          for (Node node : receiverNodes) {
              Element element = (Element)node;
              Attribute attribute = element.attribute("name");
              addToList(bundleInfo.getReceivers(),attribute.getValue());
          }
          List<? extends Node> providerNodes = root.selectNodes("//provider");
          for (Node node : providerNodes) {
              Element element = (Element)node;
              Attribute attribute = element.attribute("name");
              addToList(bundleInfo.getContentProviders(),attribute.getValue());
          }
          List<? extends Node> activityNodes = root.selectNodes("//activity");
          for (Node node : activityNodes) {
              Element element = (Element)node;
              Attribute attribute = element.attribute("name");
              addToList(bundleInfo.getActivities(),attribute.getValue());
          }
      }
  
      private static void addToList(List<String> list, String value){
          if (StringUtils.isEmpty(value) || list.contains(value)){
              return;
          }
          list.add(value);
      }
  
      public static List<ManifestProvider> convert(List<ManifestProvider> manifestProviders,
                                                   AppVariantContext appVariantContext) {
          List<ManifestProvider> modifyManifest = new ArrayList<>();
  
          for (ManifestProvider manifestProvider : manifestProviders) {
  
              File manifest = getModifyManifestFile(manifestProvider.getManifest(), appVariantContext);
  
              modifyManifest.add(new MainManifestProvider(manifest, manifestProvider.getName()));
  
          }
  
          return modifyManifest;
      }
  
      public static List<ManifestProvider> getMainDexManifest(AppVariantContext appVariantContext, AtlasDependencyTree dependencyTree, AtlasExtension atlasExtension) {
  
          Set<String> notMergedArtifacts = getNotMergedBundles(atlasExtension);
  
          List<ManifestProvider> mainProviders = new ArrayList<>();
  
          for (AndroidLibrary androidLibrary:dependencyTree.getMainBundle().getAndroidLibraries()){
              String cord = String.format("%s:%s",
                      androidLibrary.getResolvedCoordinates().getGroupId(),
                      androidLibrary.getResolvedCoordinates().getArtifactId());
  
              if (null != notMergedArtifacts && notMergedArtifacts.contains(cord)) {
                  continue;
              }
  
              mainProviders.add(createManifestProvider(androidLibrary, appVariantContext));
          }
  
          return mainProviders;
  
      }
  
      public static class BundleManifestProvider implements ManifestProvider {
  
          private File manifest;
  
          public BundleManifestProvider(File manifest) {
              this.manifest = manifest;
          }
  
          @Override
          public File getManifest() {
              return manifest;
          }
  
          @Override
          public String getName() {
              return manifest.getName();
          }
      }
  
      public static class MainManifestProvider implements ManifestProvider {
  
          private File manifest;
          private String name;
  
          public MainManifestProvider(File manifest, String name) {
              this.manifest = manifest;
              this.name = name;
          }
  
          @Override
          public File getManifest() {
              return manifest;
          }
  
          @Override
          public String getName() {
              return name;
          }
      }
  
      public static List<? extends AndroidLibrary> getManifestDependencies(List<AwbBundle> awbBundles,
                                                                           Set<String> notMergedArtifacts,
                                                                           org.gradle.api.logging.Logger logger) {
  
          List<AndroidLibrary> list = new ArrayList<>();
  
          for (AwbBundle lib : awbBundles) {
              // get the dependencies
              // [vliux] respect manifestOption.notMergedBundle
              String cord = String.format("%s:%s",
                                          lib.getResolvedCoordinates().getGroupId(),
                                          lib.getResolvedCoordinates().getArtifactId());
              if (null == notMergedArtifacts || !notMergedArtifacts.contains(cord)) {
  
                  list.add(lib.getAndroidLibrary());
                  list.addAll(lib.getAndroidLibraries());
  
              } else {
                  logger.info("[NotMergedManifest] " + cord);
              }
          }
  
          return list;
      }
  }
  
  