package org.codehaus.mojo.natives.plugin;
   
   /*
    * The MIT License
    *
    * Copyright (c) 2004, The Codehaus
    *
    * Permission is hereby granted, free of charge, to any person obtaining a copy of
    * this software and associated documentation files (the "Software"), to deal in
   * the Software without restriction, including without limitation the rights to
   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is furnished to do
   * so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.codehaus.mojo.natives.EnvFactory;
  import org.codehaus.mojo.natives.NativeBuildException;
  import org.codehaus.mojo.natives.manager.EnvFactoryManager;
  
  public abstract class AbstractNativeMojo
      extends AbstractMojo
  {
      public static final String LINKER_INPUT_LIST_NAME = "NativeLinkerInputListName";
  
      public static final String LINKER_OUTPUT_PATH = "NativeLinkerOutputPath";
  
      public static final String INCZIP_FOUND = "IncZipFound";
  
      public static final String INCZIP_TYPE = "inczip";
  
      protected static final List EMPTY_FILE_LIST = new ArrayList();
  
      @Parameter(defaultValue = "${project}", readonly = true, required = true)
      protected MavenProject project;
  
      /**
       * user directory when external tools( ie compiler/linker ) are invoked
       */
      @Parameter(defaultValue = "${basedir}", required = true)
      protected File workingDirectory;
  
      /**
       * Specifies a fully qualified class name implementing the org.codehaus.mojo.natives.EnvFactory interface. The class
       * creates a set environment variables to be used with the command line.
       */
      @Parameter
      private String envFactoryName;
  
      @Component
      protected EnvFactoryManager envFactoryManager;
  
      /**
       * Directory to unpack .inczip dependency files to be included as system include path
       */
      @Parameter(defaultValue = "${project.build.directory}/native/include")
      protected File dependencyIncludeDirectory;
  
      protected static String[] removeEmptyOptions( List args )
      {
          return NativeMojoUtils.trimParams( args );
      }
  
      protected List getAllCompilersOutputFileList()
      {
          List list = (List) this.getPluginContext().get( AbstractNativeMojo.LINKER_INPUT_LIST_NAME );
  
          if ( list == null )
          {
              list = new ArrayList();
  
              this.getPluginContext().put( AbstractNativeMojo.LINKER_INPUT_LIST_NAME, list );
          }
  
          return list;
  
      }
  
      protected void saveCompilerOutputFilePaths( List filePaths )
          throws MojoExecutionException
     {
         List allCompilerOutputFileList = getAllCompilersOutputFileList();
 
         for ( int i = 0; i < filePaths.size(); ++i )
         {
             File file = (File) filePaths.get( i );
             allCompilerOutputFileList.add( file );
         }
     }
 
     /**
      * Internal for unit test only
      */
 
     protected MavenProject getProject()
     {
         return this.project;
     }
 
     private EnvFactory envFactory = null;
 
     protected EnvFactory getEnvFactory()
         throws MojoExecutionException
     {
         if ( envFactory == null && envFactoryName != null )
         {
             try
             {
                 envFactory = this.envFactoryManager.getEnvFactory( this.envFactoryName );
             }
             catch ( NativeBuildException e )
             {
                 throw new MojoExecutionException( e.getMessage(), e );
             }
         }
 
         return envFactory;
     }
 
 }