org.kew.rmf.core.CoreApp.java Source code

Introduction

Here is the source code for org.kew.rmf.core.CoreApp.java

Source

/*
 * Reconciliation and Matching Framework
 * Copyright  2014 Royal Botanic Gardens, Kew
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kew.rmf.core;

import java.io.File;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.GenericXmlApplicationContext;

/**
 * Everything begins here.
 */
public class CoreApp {
    private static final Logger logger = LoggerFactory.getLogger(CoreApp.class);

    public static void main(String[] args) throws Exception {

        // Some arguments possibly want to be picked up from the command-line
        CommandLine line = getParsedCommandLine(args);

        // where is the work directory that contains the design configuration as well
        // as the data files?
        String workDir = ".";
        if (line.hasOption("d"))
            workDir = line.getOptionValue("d").trim();
        // the name of the core configuration file that contains the dedup/match design
        // NOTE this is relative to the working directory
        String configFileName = "config.xml";
        if (line.hasOption("c"))
            configFileName = line.getOptionValue("c").trim();
        String dedupDesign = "file:" + new File(new File(workDir), configFileName).toPath();

        runEngineAndCache(new GenericXmlApplicationContext(dedupDesign));

    }

    protected static CommandLine getParsedCommandLine(String[] args) throws ParseException {
        CommandLineParser argParser = new GnuParser();
        final Options options = new Options();
        options.addOption("d", "data-dir", true,
                "location of the directory containing the config and the input and output files");
        options.addOption("c", "config-file", true, "name of the config file (default: 'config.xml')");
        CommandLine line = argParser.parse(options, args);
        return line;
    }

    /**
     * Get the "engine" bean from the Spring config - Spring has instantiated it
     * with the values set in the application-context file, which defaults to
     * deduplication mode. If the context provided is a matching one, the bean
     * definition will be changed prior to its initialisation.
     * @param context
     * @throws Exception
     */
    protected static void runEngineAndCache(ConfigurableApplicationContext context) throws Exception {
        DataHandler<?> engine = (DataHandler<?>) context.getBean("engine");
        // Call the run method
        engine.run();
    }
}