/*
    * 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.release.transform.jdom2;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.maven.model.Dependency;
  import org.apache.maven.model.Plugin;
  import org.apache.maven.model.PluginExecution;
  import org.apache.maven.shared.release.transform.MavenCoordinate;
  import org.jdom2.Element;
  
  /**
   * JDOM2 implementation of poms PLUGIN element
   *
   * @author Robert Scholte
   * @since 3.0
   */
  public class JDomPlugin extends Plugin implements MavenCoordinate {
      private Element plugin;
      private final MavenCoordinate coordinate;
  
      /**
       * <p>Constructor for JDomPlugin.</p>
       *
       * @param plugin a {@link org.jdom2.Element} object
       */
      public JDomPlugin(Element plugin) {
          this.plugin = plugin;
          this.coordinate = new JDomMavenCoordinate(plugin);
      }
  
      @Override
      public void addDependency(Dependency dependency) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void addExecution(PluginExecution pluginExecution) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public String getArtifactId() {
          return coordinate.getArtifactId();
      }
  
      @Override
      public List<Dependency> getDependencies() {
          Element dependenciesElm = plugin.getChild("dependencies", plugin.getNamespace());
          if (dependenciesElm == null) {
              return Collections.emptyList();
          } else {
              List<Element> dependencyElms = dependenciesElm.getChildren("dependency", plugin.getNamespace());
  
              List<Dependency> dependencies = new ArrayList<>(dependencyElms.size());
  
              for (Element dependencyElm : dependencyElms) {
                  dependencies.add(new JDomDependency(dependencyElm));
              }
  
              return dependencies;
          }
      }
  
      @Override
      public List<PluginExecution> getExecutions() {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public Object getGoals() {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public String getGroupId() {
          return coordinate.getGroupId();
      }
  
     @Override
     public String getVersion() {
         return coordinate.getVersion();
     }
 
     @Override
     public boolean isExtensions() {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void removeDependency(Dependency dependency) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void removeExecution(PluginExecution pluginExecution) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void setArtifactId(String artifactId) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void setDependencies(List<Dependency> dependencies) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void setExecutions(List<PluginExecution> executions) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void setExtensions(boolean extensions) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void setGoals(Object goals) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void setGroupId(String groupId) {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public void setVersion(String version) {
         coordinate.setVersion(version);
     }
 
     @Override
     public void flushExecutionMap() {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public Map<String, PluginExecution> getExecutionsAsMap() {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public String getName() {
         return "plugin";
     }
 }