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 org.codehaus.plexus.util.ReaderFactory;
import org.codehaus.plexus.util.StringUtils;

import java.io.File;
import java.util.Properties;

/**
 * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
 * @version $Id: ModelloCli.java 1042 2008-12-22 22:36:09Z hboutemy $
 */
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 Modello();

        parseArgumentsFromCommandLine( args );

        modello.generate( ReaderFactory.newXmlReader( 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 useJava5 = args[ 5 ];

        if ( StringUtils.isEmpty( useJava5 ) )
        {
            System.err.println( "Missing required parameter: use Java 5" );

            usage();

            System.exit( 1 );
        }

        parameters.setProperty( ModelloParameterConstants.USE_JAVA5, useJava5 );

        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>"
                            + "<useJava5> [<encoding>]" );
    }
}
