org.apache.ctakes.jdl.AppMain.java Source code

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Here is the source code for org.apache.ctakes.jdl.AppMain.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.ctakes.jdl;

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

/**
 * Java data loader Main.
 * 
 * @author mas
 */
public final class AppMain {
    private static final String OPT_XDL_CONN_LONG = "conn";
    private static final String OPT_XDL_DATA_LONG = "data";
    private static final String OPT_XDL_LOAD_LONG = "load";
    private static final String OPT_XDL_CONN_DESCR = "conn file";
    private static final String OPT_XDL_DATA_DESCR = "data file";
    private static final String OPT_XDL_LOAD_DESCR = "load file";
    public static final String OPT_XDL_CONN = "c";
    public static final String OPT_XDL_DATA = "d";
    public static final String OPT_XDL_LOAD = "l";

    private AppMain() {
    }

    /**
     * @return the options of the commandLine
     */
    public static Options getOprions() {
        Option optXdlConn = new Option(OPT_XDL_CONN, OPT_XDL_CONN_LONG, true, OPT_XDL_CONN_DESCR);
        optXdlConn.setRequired(true);
        Option optXdlData = new Option(OPT_XDL_DATA, OPT_XDL_DATA_LONG, true, OPT_XDL_DATA_DESCR);
        optXdlData.setRequired(true);
        Options options = new Options();
        options.addOption(optXdlConn);
        options.addOption(optXdlData);
        options.addOption(OPT_XDL_LOAD, OPT_XDL_LOAD_LONG, true, OPT_XDL_LOAD_DESCR);
        return options;
    }

    /**
     * @param arguments
     *            the arguments to parse
     * @return the commandLine
     * @throws ParseException
     *             exception
     */
    public static CommandLine parsingCLI(String[] arguments) throws ParseException {
        Options options = getOprions();
        PosixParser posix = new PosixParser();
        return posix.parse(options, arguments);
    }

    /**
     * @param args
     *            input string
     */
    public static void main(String[] args) {
        String cmdLineSyntax = "java [-options] -jar jarfile";
        String header = "Java Data Loader";
        try {
            CommandLine cl = parsingCLI(args);
            String srcConn = cl.getOptionValue(OPT_XDL_CONN);
            String srcData = cl.getOptionValue(OPT_XDL_DATA);
            String srcLoad = cl.getOptionValue(OPT_XDL_LOAD);
            new AppJdl(srcConn, srcData, srcLoad).execute();
        } catch (ParseException e) {
            new HelpFormatter().printHelp(cmdLineSyntax, header, getOprions(), null, true);
        }
    }
}