com.temenos.interaction.rimdsl.generator.launcher.Main.java Source code

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Here is the source code for com.temenos.interaction.rimdsl.generator.launcher.Main.java

Source

package com.temenos.interaction.rimdsl.generator.launcher;

/*
 * #%L
 * com.temenos.interaction.rimdsl.RimDsl - Generator
 * %%
 * Copyright (C) 2012 - 2013 Temenos Holdings N.V.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

import java.io.File;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;

import com.google.inject.Injector;
import com.temenos.interaction.rimdsl.RIMDslStandaloneSetup;

public class Main {

    public static void main(String[] args) {
        // handle command line options
        final Options options = new Options();
        OptionBuilder.withArgName("src");
        OptionBuilder.withDescription("Model source");
        OptionBuilder.hasArg();
        OptionBuilder.isRequired();
        OptionBuilder.withValueSeparator(' ');
        Option optSrc = OptionBuilder.create("src");

        OptionBuilder.withArgName("targetdir");
        OptionBuilder.withDescription("Generator target directory");
        OptionBuilder.hasArg();
        OptionBuilder.isRequired();
        OptionBuilder.withValueSeparator(' ');
        Option optTargetDir = OptionBuilder.create("targetdir");

        options.addOption(optSrc);
        options.addOption(optTargetDir);

        // create the command line parser
        final CommandLineParser parser = new GnuParser();
        CommandLine line = null;
        try {
            line = parser.parse(options, args);
        } catch (final ParseException exp) {
            System.err.println("Parsing arguments failed.  Reason: " + exp);
            wrongCall(options);
            return;
        }

        // execute the generator
        Injector injector = new RIMDslStandaloneSetup().createInjectorAndDoEMFRegistration();
        Generator generator = injector.getInstance(Generator.class);
        File srcFile = new File(line.getOptionValue(optSrc.getArgName()));
        if (srcFile.exists()) {
            boolean result = false;
            if (srcFile.isDirectory()) {
                result = generator.runGeneratorDir(srcFile.getPath(),
                        line.getOptionValue(optTargetDir.getArgName()));
            } else {
                result = generator.runGenerator(srcFile.getPath(), line.getOptionValue(optTargetDir.getArgName()));
            }
            System.out.println("Code generation finished [" + result + "]");
        } else {
            System.out.println("Src dir not found.");
        }

    }

    /**
     * Print usage information and terminate the program.
     * 
     * @param options
     */
    private static void wrongCall(final Options options) {
        final HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("java " + Launcher.class.getName() + " [OPTIONS]", options);
    }

}