package org.codehaus.mojo.webstart;
   
   /*
    * 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 org.apache.maven.artifact.Artifact;
  
  /**
   * Represents a resolved jarResource.
   * <p/>
   * Created on 10/29/13.
   *
   * @author Tony Chemit <chemit@codelutin.com>
   * @since 1.0-beta-4
   */
  public class ResolvedJarResource
  {
      /**
       * The underlying jar resource configuration (from pom).
       */
      private final JarResource jarResource;
  
      /**
       * The resolved artifact.
       */
      private final Artifact artifact;
  
      /**
       * The hrefValue to fill in JarResource file.
       */
      private String hrefValue;
  
      public ResolvedJarResource( Artifact artifact )
      {
          this( new JarResource(), artifact );
      }
  
      public ResolvedJarResource( JarResource jarResource, Artifact artifact )
      {
          if ( artifact == null )
          {
              throw new IllegalArgumentException( "artifact must not be null" );
          }
          if ( jarResource == null )
          {
              throw new IllegalArgumentException( "jarResource must not be null" );
          }
          this.jarResource = jarResource;
          this.artifact = artifact;
          setHrefValue( jarResource.getHrefValue() );
      }
  
      public String getArtifactId()
      {
          return artifact.getArtifactId();
      }
  
      public String getType()
      {
          return artifact.getType();
      }
  
      public String getClassifier()
      {
          return artifact.getClassifier();
      }
  
      public String getGroupId()
      {
          return artifact.getGroupId();
      }
  
      public String getVersion()
      {
          return artifact.getVersion();
      }
  
      public String getMainClass()
      {
          return jarResource.getMainClass();
      }
  
      public boolean isOutputJarVersion()
     {
         return jarResource.isOutputJarVersion();
     }
 
     public boolean isIncludeInJnlp()
     {
         return jarResource.isIncludeInJnlp();
     }
 
     /**
      * Returns the underlying artifact that this instance represents.
      *
      * @return Returns the value of the artifact field.
      */
     public Artifact getArtifact()
     {
         return artifact;
     }
 
     /**
      * Returns the value that should be output for this jar in the href attribute of the
      * jar resource element in the generated JNLP file. If not set explicitly, this defaults
      * to the file name of the underlying artifact.
      *
      * @return The href attribute to be output for this jar resource in the generated JNLP file.
      */
     public String getHrefValue()
     {
         String result;
         if ( hrefValue == null && getArtifact() != null )
         {
             // use default value
             result = getArtifact().getFile().getName();
         }
         else
         {
             // use customized value
             result = hrefValue;
         }
         return result;
     }
 
     /**
      * Sets the value that should be output for this jar in the href attribute of the
      * jar resource element in the generated JNLP file. If not set explicitly, this defaults
      * to the file name of the underlying artifact.
      *
      * @param hrefValue new value for field {@link #hrefValue}
      */
     public void setHrefValue( String hrefValue )
     {
         this.hrefValue = hrefValue;
     }
 
     /**
      * Returns true if the given object is a JarResource and has the same
      * combination of <code>groupId</code>, <code>artifactId</code>,
      * <code>version</code> and <code>classifier</code>.
      *
      * @return {@code true} if equals to given other object.
      */
     @Override
     public boolean equals( Object obj )
     {
 
         if ( obj == this )
         {
             return true;
         }
 
         if ( !( obj instanceof ResolvedJarResource ) )
         {
             return false;
         }
 
         ResolvedJarResource other = (ResolvedJarResource) obj;
 
         if ( fieldsAreNotEqual( getGroupId(), other.getGroupId() ) )
         {
             return false;
         }
 
         if ( fieldsAreNotEqual( getArtifactId(), other.getArtifactId() ) )
         {
             return false;
         }
 
         if ( fieldsAreNotEqual( getVersion(), other.getVersion() ) )
         {
             return false;
         }
 
         if ( fieldsAreNotEqual( getType(), other.getType() ) )
         {
             return false;
         }
 
         if ( fieldsAreNotEqual( getClassifier(), other.getClassifier() ) )
         {
             return false;
         }
 
         return true;
 
     }
 
     private boolean fieldsAreNotEqual( Object field1, Object field2 )
     {
 
         if ( field1 == null )
         {
             return field2 != null;
         }
         else
         {
             return !field1.equals( field2 );
         }
 
     }
 
     /**
      * {@inheritDoc}
      */
     public int hashCode()
     {
         final int offset = 17;
         final int multiplier = 37;
         int result = offset;
         result += multiplier * fieldHashCode( getGroupId() );
         result += multiplier * fieldHashCode( getArtifactId() );
         result += multiplier * fieldHashCode( getVersion() );
         result += multiplier * fieldHashCode( getType() );
         result += multiplier * fieldHashCode( getClassifier() );
         return result;
 
     }
 
     private int fieldHashCode( Object field )
     {
         return field == null ? 0 : field.hashCode();
     }
 }