package org.apache.maven.plugin.war;
   
   /*
    * 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.execution.MavenSession;
  import org.apache.maven.plugin.testing.AbstractMojoTestCase;
  import org.apache.maven.plugin.testing.stubs.ArtifactStub;
  import org.apache.maven.plugin.war.stub.MavenProjectBasicStub;
  import org.apache.maven.plugin.war.stub.WarOverlayStub;
  import org.apache.maven.shared.filtering.MavenFileFilter;
  import org.codehaus.plexus.archiver.Archiver;
  import org.codehaus.plexus.archiver.ArchiverException;
  import org.codehaus.plexus.archiver.jar.JarArchiver;
  import org.codehaus.plexus.util.FileUtils;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.Iterator;
  import java.util.List;
  
  public abstract class AbstractWarMojoTest
      extends AbstractMojoTestCase
  {
  
      protected static final File OVERLAYS_TEMP_DIR = new File( getBasedir(), "target/test-overlays/" );
  
      protected static final File OVERLAYS_ROOT_DIR = new File( getBasedir(), "target/test-classes/overlays/" );
  
      protected static final String MANIFEST_PATH = "META-INF" + File.separator + "MANIFEST.MF";
  
      protected abstract File getTestDirectory()
          throws Exception;
  
      /**
       * initialize required parameters
       *
       * @param mojo
       * @param filters
       * @param classesDir
       * @param webAppSource
       * @param webAppDir
       * @param project
       * @throws Exception
       */
      protected void configureMojo( AbstractWarMojo mojo, List filters, File classesDir, File webAppSource,
                                    File webAppDir, MavenProjectBasicStub project )
          throws Exception
      {
          setVariableValueToObject( mojo, "filters", filters );
          setVariableValueToObject( mojo, "useCache", Boolean.FALSE );
          setVariableValueToObject( mojo, "mavenFileFilter", lookup( MavenFileFilter.class.getName() ) );
          MavenSession mavenSession = new MavenSession( null, null, null, null, null, null, null, System.getProperties(), null );
          setVariableValueToObject( mojo, "session", mavenSession );
          mojo.setClassesDirectory( classesDir );
          mojo.setWarSourceDirectory( webAppSource );
          mojo.setWebappDirectory( webAppDir );
          mojo.setProject( project );
      }
  
      /**
       * create an isolated xml dir
       *
       * @param id
       * @param xmlFiles
       * @return
       * @throws Exception
       */
      protected File createXMLConfigDir( String id, String[] xmlFiles )
          throws Exception
      {
          File xmlConfigDir = new File( getTestDirectory(), "/" + id + "-test-data/xml-config" );
          File XMLFile;
  
          createDir( xmlConfigDir );
  
          if ( xmlFiles != null )
          {
              Iterator iterator = Arrays.asList( xmlFiles ).iterator();
              while ( iterator.hasNext() )
              {
                  XMLFile = new File( xmlConfigDir, (String) iterator.next() );
                 createFile( XMLFile );
             }
         }
 
         return xmlConfigDir;
     }
 
     /**
      * Returns the webapp source directory for the specified id.
      *
      * @param id the id of the test
      * @return the source directory for that test
      * @throws Exception if an exception occurs
      */
     protected File getWebAppSource( String id )
         throws Exception
     {
         return new File( getTestDirectory(), "/" + id + "-test-data/source" );
     }
 
     /**
      * create an isolated web source with a sample jsp file
      *
      * @param id
      * @return
      * @throws Exception
      */
     protected File createWebAppSource( String id, boolean createSamples )
         throws Exception
     {
         File webAppSource = getWebAppSource( id );
         if ( createSamples )
         {
             File simpleJSP = new File( webAppSource, "pansit.jsp" );
             File jspFile = new File( webAppSource, "org/web/app/last-exile.jsp" );
 
             createFile( simpleJSP );
             createFile( jspFile );
         }
         return webAppSource;
     }
 
     protected File createWebAppSource( String id )
         throws Exception
     {
         return createWebAppSource( id, true );
     }
 
 
     /**
      * create a class directory with or without a sample class
      *
      * @param id
      * @param empty
      * @return
      * @throws Exception
      */
     protected File createClassesDir( String id, boolean empty )
         throws Exception
     {
         File classesDir = new File( getTestDirectory() + "/" + id + "-test-data/classes/" );
 
         createDir( classesDir );
 
         if ( !empty )
         {
             createFile( new File( classesDir + "/sample-servlet.class" ) );
         }
 
         return classesDir;
     }
 
     protected void createDir( File dir )
     {
         if ( !dir.exists() )
         {
             assertTrue( "can not create test dir: " + dir.toString(), dir.mkdirs() );
         }
     }
 
     protected void createFile( File testFile, String body )
         throws Exception
     {
         createDir( testFile.getParentFile() );
         FileUtils.fileWrite( testFile.toString(), body );
 
         assertTrue( "could not create file: " + testFile, testFile.exists() );
     }
 
     protected void createFile( File testFile )
         throws Exception
     {
         createFile( testFile, testFile.toString() );
     }
 
     /**
      * Generates test war
      * <p/>
      * Generates war with such a structure:
      * <ul>
      * <li>jsp
      * <ul>
      * <li>d
      * <ul>
      * <li>a.jsp</li>
      * <li>b.jsp</li>
      * <li>c.jsp</li>
      * </ul>
      * </li>
      * <li>a.jsp</li>
      * <li>b.jsp</li>
      * <li>c.jsp</li>
      * </ul>
      * </li>
      * <li>WEB-INF
      * <ul>
      * <li>classes
      * <ul>
      * <li>a.class</li>
      * <li>b.class</li>
      * <li>c.class</li>
      * </ul>
      * </li>
      * <li>lib
      * <ul>
      * <li>a.jar</li>
      * <li>b.jar</li>
      * <li>c.jar</li>
      * </ul>
      * </li>
      * <li>web.xml</li>
      * </ul>
      * </li>
      * </ul>
      * <p/>
      * Each of the files will contain: id+'-'+path
      *
      * @param id the id of the overlay containing the full structure
      * @return the war file
      * @throws Exception if an error occurs
      */
     protected File generateFullOverlayWar( String id )
         throws Exception
     {
         final File destFile = new File( OVERLAYS_TEMP_DIR, id + ".war" );
         if ( destFile.exists() )
         {
             return destFile;
         }
 
         // Archive was not yet created for that id so let's create it
         final File rootDir = new File( OVERLAYS_ROOT_DIR, id );
         rootDir.mkdirs();
         String[] filePaths = new String[]{"jsp/d/a.jsp", "jsp/d/b.jsp", "jsp/d/c.jsp", "jsp/a.jsp", "jsp/b.jsp",
             "jsp/c.jsp", "WEB-INF/classes/a.class", "WEB-INF/classes/b.class", "WEB-INF/classes/c.class",
             "WEB-INF/lib/a.jar", "WEB-INF/lib/b.jar", "WEB-INF/lib/c.jar", "WEB-INF/web.xml"};
 
         for ( int i = 0; i < filePaths.length; i++ )
         {
             createFile( new File( rootDir, filePaths[i] ), id + "-" + filePaths[i] );
         }
 
         createArchive( rootDir, destFile );
         return destFile;
     }
 
     // Overlay utilities
 
 
     /**
      * Builds a test overlay.
      *
      * @param id the id of the overlay (see test/resources/overlays)
      * @return a test war artifact with the content of the given test overlay
      */
     protected ArtifactStub buildWarOverlayStub( String id )
     {
         // Create war file
         final File destFile = new File( OVERLAYS_TEMP_DIR, id + ".war" );
         if ( !destFile.exists() )
         {
             createArchive( new File( OVERLAYS_ROOT_DIR, id ), destFile );
         }
 
         return new WarOverlayStub( getBasedir(), id, destFile );
     }
 
     protected File getOverlayFile( String id, String filePath )
     {
         final File overlayDir = new File( OVERLAYS_ROOT_DIR, id );
         final File file = new File( overlayDir, filePath );
 
         // Make sure the file exists
         assertTrue( "Overlay file " + filePath + " does not exist for overlay " + id + " at " + file.getAbsolutePath(),
                     file.exists() );
         return file;
 
     }
 
     protected void createArchive( final File directory, final File destinationFile )
     {
         try
         {
             //WarArchiver archiver = new WarArchiver();
 
             Archiver archiver = new JarArchiver();
 
             archiver.setDestFile( destinationFile );
             archiver.addDirectory( directory );
 
             //archiver.setWebxml( new File(directory, "WEB-INF/web.xml"));
 
             // create archive
             archiver.createArchive();
 
         }
         catch ( ArchiverException e )
         {
             e.printStackTrace();
             fail( "Failed to create overlay archive " + e.getMessage() );
         }
         catch ( IOException e )
         {
             e.printStackTrace();
             fail( "Unexpected exception " + e.getMessage() );
         }
     }
 
 
 }