org.jhub1.agent.run.cli.ParamsMain.java Source code

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Here is the source code for org.jhub1.agent.run.cli.ParamsMain.java

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/**
 * $Revision$
 * $Date$
 * 
 * Copyright 2013 SoftCognito.org.
 *
 * All rights reserved. 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 org.jhub1.agent.run.cli;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

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

public class ParamsMain {

    private Options options;
    private CommandLineParser parser;
    private CommandLine cmdMain;

    private List<Params> paramsProcessors;

    // private static Logger log =
    // LoggerFactory.getLogger(ParamsProcessor.class);

    public ParamsMain() {
        paramsProcessors = new ArrayList<Params>();
        paramsProcessors.add(new ParamsProcessorIQ());
        paramsProcessors.add(new ParamsProcessorSample());
    }

    private Options getMainOptions() {
        OptionGroup groupMain = new OptionGroup();

        for (Params paramsProcessor : paramsProcessors) {
            groupMain.addOption(paramsProcessor.getOptionsSignature());
        }
        groupMain.addOption(new Option("h", "help", false, "print this message"));
        options = new Options();
        options.addOptionGroup(groupMain);
        return options;
    }

    private Options getGlobalOptions() {
        Options options = getMainOptions();
        for (Params paramsProcessor : paramsProcessors) {
            Iterator<Entry<String, Option>> it = paramsProcessor.getOptionsReg().entrySet().iterator();
            while (it.hasNext()) {
                Map.Entry<String, Option> pairs = (Map.Entry<String, Option>) it.next();
                options.addOption((Option) pairs.getValue());
            }
        }
        return options;
    }

    private void initParser(String[] args) throws ParseException {
        parser = new GnuParser();
        cmdMain = parser.parse(getGlobalOptions(), args);
        if (cmdMain.hasOption("help")) {
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp(80, "agent",
                    "This is command line tool that helps simulating / provoking usual agent operations. Here are the params:",
                    getMainOptions(),
                    "Using one of those you will get more detailed help relevant to each subsection.", true);
            System.exit(0);
        } else {
            for (Params paramsProcessor : paramsProcessors) {
                if (cmdMain.hasOption(paramsProcessor.getLongOpt())) {
                    boolean result = paramsProcessor.process(args);
                    if (false == result) {
                        paramsProcessor.printHelp();
                    }
                    System.exit(0);
                }
            }
        }
    }

    public void parse(String[] args) {
        try {
            initParser(args);
        } catch (ParseException e) {
            System.out.println("\n************************");
            System.out.println("The parameter(s) not recognized or other parsing problem!");
            System.out.println("************************");
            e.printStackTrace();
        }
        /*      if (cmdMain.hasOption("p")) {
                 String provide = cmdMain.getOptionValue("p");
                 if (StringUtils.isNotBlank(provide)) {
        if (provide.equalsIgnoreCase(SAMPLE_FILE)) {
           getRemainingParams(SAMPLE_FILE, args);
        } else if (provide.equalsIgnoreCase(SAMPLE_UDP)) {
           getRemainingParams(SAMPLE_UDP, args);
        }
                 }
              }*/
    }

}