/*
    * Copyright 2006 Codehaus
    *
    * Licensed 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.codehaus.mojo.jaxws;
  
  import java.io.File;
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.net.URLClassLoader;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.DependencyResolutionRequiredException;
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.project.MavenProject;
  
  
  /**
   * @svnLink $Revision: 3872 $;$Date: 2009-08-04 13:41:09 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/maven/plugins/maven-jaxws-plugin/src/main/java/org/codehaus/mojo/jaxws/AbstractJaxwsMojo.java $
   *
   * @author dantran <dantran@apache.org>
   * @version $Id: AbstractJaxwsMojo.java 3872 2009-08-04 11:41:09Z swismer $ *
   */
  abstract class AbstractJaxwsMojo extends AbstractMojo {
  
  	/**
  	 * @parameter expression="${project}"
  	 * @readonly
  	 */
  	protected MavenProject project;
  
  	/**
  	 * Output messages about what the tool is doing
  	 *
  	 * @parameter default-value="false"
  	 */
  	protected boolean verbose;
  
  	/**
  	 * Keep generated files.
  	 *
  	 * @parameter default-value="false"
  	 */
  	protected boolean keep;
  
  	/**
  	 * Allow to use the JAXWS Vendor Extensions.
  	 *
  	 * @parameter default-value="false"
  	 */
  	protected boolean extension;
  
  
  	/**
  	 * Map of of plugin artifacts.
  	 *
  	 * @parameter expression="${plugin.artifactMap}"
  	 * @readonly
  	 */
  	private Map pluginArtifactMap;
  
  	/**
  	 * Either ${build.outputDirectory} or ${build.testOutputDirectory}.
  	 */
  	protected abstract File getDestDir();
  
  	/**
  	 * Need to build a URLClassloader since Maven removed it form the chain
  	 * @param parent
  	 * @return
  	 */
  	protected String initClassLoader( ClassLoader parent )
  		throws MojoExecutionException
  	{
  
  		try
  		{
  			List classpathFiles = project.getCompileClasspathElements();
  			
  			URL[] urls = new URL[classpathFiles.size() + 3];
  			
  			StringBuffer classPath = new StringBuffer();
  			
 			for ( int i = 0; i < classpathFiles.size(); ++i )
 			{
 				getLog().debug( (String) classpathFiles.get( i ) );
 				urls[i] = new File( (String) classpathFiles.get( i ) ).toURL();
 				classPath.append( (String) classpathFiles.get( i ) );
 				classPath.append( File.pathSeparatorChar );
 			}
 
 			
 			urls[classpathFiles.size()] = new File( project.getBuild().getOutputDirectory() ).toURL();
 
 			Artifact jaxwsToolsArtifact = (Artifact) pluginArtifactMap.get( "com.sun.xml.ws:jaxws-tools" );
 			urls[classpathFiles.size() + 1] = jaxwsToolsArtifact.getFile().toURL();
 			
 			File toolsJar = new File( System.getProperty( "java.home"), "../lib/tools.jar" );
 			if ( ! toolsJar.exists() )
 			{
 				//
 				toolsJar = new File( System.getProperty( "java.home"), "lib/tools.jar" );
 			}
 			urls[classpathFiles.size() + 2] = toolsJar.toURL();
 			
 			URLClassLoader cl = new URLClassLoader( urls, parent );
 
 			// Set the new classloader
 			Thread.currentThread().setContextClassLoader( cl );
 
 			System.setProperty( "java.class.path", classPath.toString() );
 
 			String sysCp = System.getProperty( "java.class.path" );
 
 			return sysCp;
 		}
 		catch ( MalformedURLException e )
 		{
 			throw new MojoExecutionException( e.getMessage(), e );
 		}
 		catch ( DependencyResolutionRequiredException e )
 		{
 			throw new MojoExecutionException( e.getMessage(), e );
 		}
 
 	}
 }