/*
    * 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
    *
   *   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 org.apache.maven.shared.jar.identification.exposers;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Singleton;
  
  import org.apache.maven.shared.jar.JarAnalyzer;
  import org.apache.maven.shared.jar.classes.JarClasses;
  import org.apache.maven.shared.jar.classes.JarClassesAnalysis;
  import org.apache.maven.shared.jar.identification.JarIdentification;
  import org.apache.maven.shared.jar.identification.JarIdentificationExposer;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * Exposer that examines a JAR file to derive Maven metadata from the classes in a JAR. It will currently identify
   * potential group IDs from the class packages.
   */
  @Singleton
  @Named("jarClasses")
  public class JarClassesExposer implements JarIdentificationExposer {
      private final JarClassesAnalysis analyzer;
  
      @Inject
      public JarClassesExposer(JarClassesAnalysis analyzer) {
          this.analyzer = requireNonNull(analyzer);
      }
  
      @Override
      public void expose(JarIdentification identification, JarAnalyzer jarAnalyzer) {
          JarClasses jarclasses = analyzer.analyze(jarAnalyzer);
  
          for (String packagename : jarclasses.getPackages()) {
              identification.addGroupId(packagename);
          }
      }
  }