package org.codehaus.modello;
   
   /*
    * Copyright (c) 2004, Codehaus.org
    *
    * 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.Properties;
  
  import org.codehaus.plexus.DefaultPlexusContainer;
  import org.codehaus.plexus.util.StringUtils;
  import org.codehaus.plexus.util.xml.XmlStreamReader;
  
  /**
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   */
  public class ModelloCli {
      private static File modelFile;
  
      private static String outputType;
  
      private static Properties parameters;
  
      public static void main(String[] args) throws Exception {
          Modello modello = new DefaultPlexusContainer().lookup(Modello.class);
  
          parseArgumentsFromCommandLine(args);
  
          modello.generate(new XmlStreamReader(modelFile), outputType, parameters);
      }
  
      public static void parseArgumentsFromCommandLine(String[] args) throws Exception {
          if (args.length < 6) {
              usage();
  
              System.exit(1);
          }
  
          modelFile = new File(args[0]);
  
          outputType = args[1];
  
          parameters = new Properties();
  
          String outputDirectory = args[2];
  
          if (StringUtils.isEmpty(outputDirectory)) {
              System.err.println("Missing required parameter: output directory");
  
              usage();
  
              System.exit(1);
          }
  
          parameters.setProperty(ModelloParameterConstants.OUTPUT_DIRECTORY, outputDirectory);
  
          String modelVersion = args[3];
  
          if (StringUtils.isEmpty(modelVersion)) {
              System.err.println("Missing required parameter: model version");
  
              usage();
  
              System.exit(1);
          }
  
          parameters.setProperty(ModelloParameterConstants.VERSION, modelVersion);
  
          String packageWithVersion = args[4];
  
          if (StringUtils.isEmpty(packageWithVersion)) {
              System.err.println("Missing required parameter: package with version");
  
              usage();
  
              System.exit(1);
          }
  
          parameters.setProperty(ModelloParameterConstants.PACKAGE_WITH_VERSION, packageWithVersion);
  
          String javaSource = args[5];
 
         if (StringUtils.isEmpty(javaSource)) {
             System.err.println("Missing required parameter: Java Source");
 
             usage();
 
             System.exit(1);
         }
 
         parameters.setProperty(ModelloParameterConstants.OUTPUT_JAVA_SOURCE, javaSource);
 
         if (args.length > 6) {
             parameters.setProperty(ModelloParameterConstants.ENCODING, args[6]);
         }
     }
 
     // ----------------------------------------------------------------------
     //
     // ----------------------------------------------------------------------
 
     private static void usage() {
         System.err.println("Usage: modello <model> <outputType> <output directory> <modelVersion> <packageWithVersion>"
                 + "<javaSource> [<encoding>]");
     }
 }