eu.alpinweiss.filegen.service.impl.FdrServiceImpl.java Source code

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Here is the source code for eu.alpinweiss.filegen.service.impl.FdrServiceImpl.java

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/*
 * Copyright 2011 Alexander Severgin
 *
 *  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 eu.alpinweiss.filegen.service.impl;

import com.google.inject.Inject;
import com.google.inject.Injector;
import com.google.inject.Singleton;
import eu.alpinweiss.filegen.command.CommandStep;
import eu.alpinweiss.filegen.command.runner.CommandRunner;
import eu.alpinweiss.filegen.config.FdrOptionHolder;
import eu.alpinweiss.filegen.model.Model;
import eu.alpinweiss.filegen.service.FdrService;
import org.apache.commons.cli.*;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.Map;

/**
 * {@link FdrServiceImpl}.
 * 
 * @author Aleksandrs.Severgins | <a href="http://alpinweiss.eu">SIA Alpinweiss</a>
 */
@Singleton
public class FdrServiceImpl implements FdrService {

    private final static Logger LOGGER = LogManager.getLogger(FdrServiceImpl.class);

    @Inject
    private CommandRunner commandRunner;
    @Inject
    private FdrOptionHolder optionHolder;
    private Injector injector;

    @Override
    public void setInjector(Injector injector) {
        this.injector = injector;
    }

    @Override
    public void run(String[] args) {

        if (injector == null) {
            throw new RuntimeException("Injector is null");
        }

        Model model = new Model();
        Map<String, Class<? extends CommandStep>> commandSteps = optionHolder.getCommandStepMap();
        Options options = optionHolder.getAppOptions();

        CommandLineParser parser = new PosixParser();
        try {
            CommandLine cmd = parser.parse(options, args);
            Option[] cmdOptions = cmd.getOptions();
            for (Option cmdOption : cmdOptions) {
                model.addParameter(cmdOption.getOpt(), cmdOption.getValue());
                model.addCommand(injector.getInstance(commandSteps.get(cmdOption.getOpt())));
            }
        } catch (ParseException e) {
            LOGGER.error(e.getMessage(), e);
        }

        commandRunner.run(model);
    }

}