package org.apache.maven.shared.release.transform.jdom;
   
   /*
    * 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.
   */
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.Properties;
  
  import org.apache.maven.model.Build;
  import org.apache.maven.model.Dependency;
  import org.apache.maven.model.DependencyManagement;
  import org.apache.maven.model.Model;
  import org.apache.maven.model.Parent;
  import org.apache.maven.model.Profile;
  import org.apache.maven.model.Reporting;
  import org.apache.maven.model.Scm;
  import org.jdom.Document;
  import org.jdom.Element;
  import org.jdom.Text;
  
  /**
   * JDom implementation of poms PROJECT element
   *
   * @author Robert Scholte
   * @since 3.0
   */
  public class JDomModel extends Model
  {
      private final Element project;
  
      private final JDomModelBase modelBase;
  
      public JDomModel( Document document )
      {
          this( document.getRootElement() );
      }
  
      public JDomModel( Element project )
      {
          this.project = project;
          this.modelBase = new JDomModelBase( project );
      }
  
      @Override
      public Build getBuild()
      {
          return modelBase.getBuild();
      }
  
      @Override
      public List<Dependency> getDependencies()
      {
          return modelBase.getDependencies();
      }
  
      @Override
      public DependencyManagement getDependencyManagement()
      {
          return modelBase.getDependencyManagement();
      }
  
      @Override
      public Parent getParent()
      {
          Element elm = getParentElement();
          if ( elm == null )
          {
              return null;
          }
          else
          {
              // this way scm setters change DOM tree immediately
              return new JDomParent( elm );
          }
      }
  
      private Element getParentElement()
      {
          return project.getChild( "parent", project.getNamespace() );
      }
  
     @Override
     public List<Profile> getProfiles()
     {
         Element profilesElm = project.getChild( "profiles", project.getNamespace() );
         if ( profilesElm == null )
         {
             return Collections.emptyList();
         }
         else
         {
             List<Element> profileElms = profilesElm.getChildren( "profile", project.getNamespace() );
 
             List<Profile> profiles = new ArrayList<>( profileElms.size() );
 
             for ( Element profileElm : profileElms )
             {
                 profiles.add( new JDomProfile( profileElm ) );
             }
 
             return profiles;
         }
     }
 
 
     @Override
     public Properties getProperties()
     {
         Element properties = project.getChild( "properties", project.getNamespace() );
 
         if ( properties == null )
         {
             return null;
         }
         else
         {
             return new JDomProperties( properties );
         }
     }
 
     @Override
     public Reporting getReporting()
     {
         Element reporting = project.getChild( "reporting", project.getNamespace() );
 
         if ( reporting == null )
         {
             return null;
         }
         else
         {
             return new JDomReporting( reporting );
         }
     }
 
     @Override
     public void setScm( Scm scm )
     {
         if ( scm == null )
         {
             JDomUtils.rewriteElement( "scm", null, project, project.getNamespace() );
         }
         else
         {
             Element scmRoot = new Element( "scm" );
             scmRoot.addContent( "\n  " );
 
             // Write current values to JDom tree
             Scm jdomScm = new JDomScm( scmRoot );
             jdomScm.setConnection( scm.getConnection() );
             jdomScm.setDeveloperConnection( scm.getDeveloperConnection() );
             jdomScm.setTag( scm.getTag() );
             jdomScm.setUrl( scm.getUrl() );
 
             project.addContent( "\n  " ).addContent( scmRoot ).addContent( "\n" );
         }
     }
 
     @Override
     public Scm getScm()
     {
         Element elm = project.getChild( "scm", project.getNamespace() );
         if ( elm == null )
         {
             return null;
         }
         else
         {
             // this way scm setters change DOM tree immediately
             return new JDomScm( elm );
         }
     }
 
     @Override
     public void setVersion( String version )
     {
         Element versionElement = project.getChild( "version", project.getNamespace() );
 
         String parentVersion;
         Element parent = getParentElement();
         if ( parent != null )
         {
             parentVersion = parent.getChildTextTrim( "version", project.getNamespace() );
         }
         else
         {
             parentVersion = null;
         }
 
         if ( versionElement == null )
         {
             if ( !version.equals( parentVersion ) )
             {
                 // we will add this after artifactId, since it was missing but different from the inherited version
                 Element artifactIdElement = project.getChild( "artifactId", project.getNamespace() );
                 int index = project.indexOf( artifactIdElement );
 
                 versionElement = new Element( "version", project.getNamespace() );
                 versionElement.setText( version );
                 project.addContent( index + 1, new Text( "\n  " ) );
                 project.addContent( index + 2, versionElement );
             }
         }
         else
         {
             JDomUtils.rewriteValue( versionElement, version );
         }
     }
 }