com.amit.api.compiler.App.java Source code

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Here is the source code for com.amit.api.compiler.App.java

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/******************************************************************************
 * Copyright 20014-2015 Alexandru Motriuc                                     *
 *                                                                            *
 ******************************************************************************
 * Licensed 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.                                             *
 ******************************************************************************/
package com.amit.api.compiler;

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.Options;
import org.apache.commons.cli.ParseException;

import com.amit.api.compiler.generator.CodeGenerator;
import com.amit.api.compiler.model.Project;
import com.amit.api.compiler.parser.AmitParser;

public class App {
    public static void main(String[] args) {
        Options options = createOptions();

        CommandLineParser parser = new GnuParser();
        try {
            // parse the command line arguments
            CommandLine cmd = parser.parse(options, args);
            execute(cmd);
        } catch (ParseException exp) {
            System.out.println("Invalid arguments.  Reason: " + exp.getMessage());
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp("args", options);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static void execute(CommandLine cmd) throws Exception {
        AmitParser parser = AmitParser.fromFile(cmd.getOptionValue("project"));
        Project project = parser.parse();

        CodeGenerator generator = new CodeGenerator(project, cmd.getOptionValue("template"),
                cmd.getOptionValue("destination"));

        generator.generate();
    }

    private static Options createOptions() {
        Option project = new Option("p", "project", true, "the path to amit project file.");
        project.setRequired(true);

        Option template = new Option("t", "template", true,
                "the path to the template used to generate the result.");
        template.setRequired(true);

        Option dest = new Option("d", "destination", true, "the destination to generate the files.");
        dest.setRequired(true);

        Options options = new Options();
        options.addOption(project);
        options.addOption(template);
        options.addOption(dest);

        return options;
    }
}