com.opengamma.integration.server.copier.CommandLineOption.java Source code

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Here is the source code for com.opengamma.integration.server.copier.CommandLineOption.java

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/**
 * Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
 * 
 * Please see distribution for license.
 */
package com.opengamma.integration.server.copier;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
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 org.apache.commons.cli.PosixParser;

import com.opengamma.util.ArgumentChecker;

/**
 * Server copier command line options
 */
public class CommandLineOption {

    /**
     * Help command line option.
     */
    static final String HELP_OPTION = "h";
    /**
     * tool context config name option.
     */
    static final String TOOLCONTEXT_CONFIG = "config";
    /**
     * server url option.
     */
    static final String SERVER = "server";

    private String _configFile;

    private String _serverUrl;

    public CommandLineOption(String[] args, Class<?> entryPointClazz) {
        ArgumentChecker.notNull(args, "args");
        ArgumentChecker.notNull(entryPointClazz, "entryPointClazz");

        Options options = getCommandLineOption();

        final CommandLineParser parser = new PosixParser();
        CommandLine line = null;
        try {
            line = parser.parse(options, args);
        } catch (final ParseException e) {
            usage(options, entryPointClazz);
        }
        if (line.hasOption(HELP_OPTION)) {
            usage(options, entryPointClazz);
        } else {
            _configFile = line.getOptionValue(TOOLCONTEXT_CONFIG);
            _serverUrl = line.getOptionValue(SERVER);
        }
    }

    private Options getCommandLineOption() {
        Options options = new Options();
        Option configOption = new Option("c", TOOLCONTEXT_CONFIG, true, "The tool context config file");
        configOption.setRequired(true);
        options.addOption(configOption);

        Option serverUrlOption = new Option("s", SERVER, true, "The opengamma server url");
        serverUrlOption.setRequired(true);
        options.addOption(serverUrlOption);
        return options;
    }

    public String getConfigFile() {
        return _configFile;
    }

    public String getServerUrl() {
        return _serverUrl;
    }

    private void usage(final Options options, Class<?> entryPointClazz) {
        final HelpFormatter formatter = new HelpFormatter();
        formatter.setWidth(120);
        formatter.printHelp("java " + entryPointClazz.getName(), options, true);
    }

}