content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You 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
   *
   *      https://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 org.apache.ivy.tools.analyser;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.util.Date;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.ivy.core.module.descriptor.DefaultDependencyDescriptor;
  import org.apache.ivy.core.module.descriptor.DefaultModuleDescriptor;
  import org.apache.ivy.core.module.descriptor.ModuleDescriptor;
  import org.apache.ivy.core.module.id.ModuleRevisionId;
  import org.apache.ivy.util.Message;
  
  public class JarJarDependencyAnalyser implements DependencyAnalyser {
      private File jarjarjarLocation;
  
      public JarJarDependencyAnalyser(File jarjarjarLocation) {
          this.jarjarjarLocation = jarjarjarLocation;
      }
  
      public ModuleDescriptor[] analyze(JarModule[] modules) {
          StringBuilder jarjarCmd = new StringBuilder("java -jar \"").append(
              jarjarjarLocation.getAbsolutePath()).append("\" --find --level=jar ");
          Map<String, JarModule> jarModulesMap = new HashMap<>();
          Map<ModuleRevisionId, DefaultModuleDescriptor> mds = new HashMap<>();
  
          for (JarModule jarModule : modules) {
              jarModulesMap.put(jarModule.getJar().getAbsolutePath(), jarModule);
              DefaultModuleDescriptor md = DefaultModuleDescriptor.newBasicInstance(
                      jarModule.getMrid(), new Date(jarModule.getJar().lastModified()));
              mds.put(jarModule.getMrid(), md);
              jarjarCmd.append("\"").append(jarModule.getJar().getAbsolutePath()).append("\"");
              jarjarCmd.append(File.pathSeparator);
          }
  
          if (modules.length > 0) {
              jarjarCmd.setLength(jarjarCmd.length() - 1);
          }
  
          Message.verbose("jarjar command: " + jarjarCmd);
  
          try {
              Process p = Runtime.getRuntime().exec(jarjarCmd.toString());
              BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()));
              String line;
              while ((line = r.readLine()) != null) {
                  String[] deps = line.split(" -> ");
                  JarModule module = jarModulesMap.get(deps[0]);
                  JarModule dependency = jarModulesMap.get(deps[1]);
  
                  if (module.getMrid().getModuleId().equals(dependency.getMrid().getModuleId())) {
                      continue;
                  }
                  Message.verbose(module.getMrid() + " depends on " + dependency.getMrid());
  
                  DefaultModuleDescriptor md = mds.get(module.getMrid());
  
                  DefaultDependencyDescriptor dd = new DefaultDependencyDescriptor(md,
                          dependency.getMrid(), false, false, true);
                  dd.addDependencyConfiguration(ModuleDescriptor.DEFAULT_CONFIGURATION,
                      ModuleDescriptor.DEFAULT_CONFIGURATION);
                  md.addDependency(dd);
              }
          } catch (IOException e) {
              Message.debug(e);
          }
          return mds.values().toArray(new ModuleDescriptor[mds.values().size()]);
      }
  
      public static void main(String[] args) {
          JarJarDependencyAnalyser a = new JarJarDependencyAnalyser(new File(
                  "D:/temp/test2/jarjar-0.7.jar"));
          a.analyze(new JarModuleFinder(
                  "D:/temp/test2/ivyrep/[organisation]/[module]/[revision]/[artifact].[ext]")
                  .findJarModules());
      }
  }
  