jp.tricreo.codegenerator.Application.java Source code

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Here is the source code for jp.tricreo.codegenerator.Application.java

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/*
 * Copyright 2010 TRICREO, Inc. (http://tricreo.jp/)
 *
 * 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 jp.tricreo.codegenerator;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Collection;
import java.util.HashSet;

import jp.tricreo.codegenerator.model.ClassMetaModel;
import jp.tricreo.codegenerator.model.reader.ModelReader;
import jp.tricreo.codegenerator.model.reader.impl.ModelReadFormatType;
import jp.tricreo.codegenerator.service.CodeGenService;
import jp.tricreo.codegenerator.service.impl.TemplateEngineType;

import org.apache.commons.cli.BasicParser;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.lang.Validate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 * 
 * @author j5ik2o
 */
public class Application implements CodeGenContext {

    private static final Logger LOGGER = LoggerFactory.getLogger(Application.class);

    /**
     * ??
     * 
     * @param args 
     */
    public static void main(String[] args) {
        System.exit(new Application().run(args));
    }

    private Collection<ClassMetaModel> classMetaModels = new HashSet<ClassMetaModel>();

    private File configFile = new File("config.properties");

    private File templateDir = new File("template");

    private File exportDir = new File("export");

    private TemplateEngineType templateEngineType = TemplateEngineType.FREE_MAKER;

    private BasicParser parser = new BasicParser();

    private CommandLine createCommandLine(Options options, String[] args) throws ParseException {
        CommandLine cl = parser.parse(options, args);
        return cl;
    }

    @Override
    public Collection<ClassMetaModel> getClassMetaModels() {
        return new HashSet<ClassMetaModel>(classMetaModels);
    }

    @Override
    public File getExportDir() {
        return exportDir;
    }

    private ModelReadFormatType getModelReadFormatType(File configFile) {
        Validate.notNull(configFile);
        String configFilePath = configFile.getPath();
        if (configFilePath.endsWith(".properties")) {
            return ModelReadFormatType.PROPERTIES;
        } else if (configFilePath.endsWith(".json")) {
            return ModelReadFormatType.JSON;
        }
        return null;
    }

    @Override
    public File getTemplateDir() {
        return templateDir;
    }

    // ??
    private boolean parseCommandLine(String[] args) throws ParseException, FileNotFoundException {
        Options options = new Options();
        options.addOption("h", "help", false, "help");
        options.addOption("c", "config", true, "config.properties {.properties, .json}");
        options.addOption("o", "output-dir", true, "output dir");
        options.addOption("t", "template-dir", true, "template file dir");
        options.addOption("e", "template-engine", true, "template engine {F = freemarker, V = velocity}");

        CommandLine cl = createCommandLine(options, args);
        if (cl.hasOption('h')) {
            new HelpFormatter().printHelp("help tips", options);
            return false;
        }
        if (cl.hasOption("c")) {
            configFile = new File(cl.getOptionValue("c"));
        }
        if (cl.hasOption("o")) {
            exportDir = new File(cl.getOptionValue("o"));
        }
        if (cl.hasOption("t")) {
            templateDir = new File(cl.getOptionValue("t"));
        }
        if (cl.hasOption("e")) {
            if (cl.getOptionValue("e").equals("F")) {
                templateEngineType = TemplateEngineType.FREE_MAKER;
            } else if (cl.getOptionValue("e").equals("V")) {
                templateEngineType = TemplateEngineType.VELOCITY;
            }
        }
        if (!configFile.exists()) {
            throw new FileNotFoundException(configFile + "is not found.");
        }

        LOGGER.info(" = {}", configFile);
        LOGGER.info(" : {}", templateDir);
        LOGGER.info(" : {}", exportDir);
        LOGGER.info("? : {}", templateEngineType);

        return true;
    }

    /**
     * ?
     * 
     * @param args 
     * @return ??????0,???1
     */
    public int run(String[] args) {
        try {
            if (parseCommandLine(args)) {
                ModelReader modelReader = new ModelReader(getModelReadFormatType(configFile), configFile);
                classMetaModels.addAll(modelReader.readAll());
                new CodeGenService(templateEngineType).generate(this);
            }
            return 0;
        } catch (Exception e) {
            LOGGER.error("?????", e);
        }
        return 1;
    }
}