jlite.cli.ProxyDestroy.java Source code

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Here is the source code for jlite.cli.ProxyDestroy.java

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/*   
 * Copyright 2008-2010 Oleg Sukhoroslov
 * 
 * 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 jlite.cli;

import java.io.File;

import jlite.GridSession;
import jlite.GridSessionConfig;
import jlite.GridSessionFactory;

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

public class ProxyDestroy {

    private static final String COMMAND = "proxy-destroy [options]";

    public static void main(String[] args) {
        System.out.println(); // extra line
        CommandLineParser parser = new GnuParser();
        Options options = setupOptions();
        HelpFormatter helpFormatter = new HelpFormatter();
        helpFormatter.setSyntaxPrefix("Usage: ");
        CommandLine line = null;
        try {
            line = parser.parse(options, args);
            if (line.hasOption("help")) {
                helpFormatter.printHelp(100, COMMAND, "\noptions:", options, "\n" + CLI.FOOTER, false);
                System.out.println(); // extra line
                System.exit(0);
            }

            if (line.hasOption("xml")) {
                System.out.println("<output>");
            }

            run(line);
        } catch (ParseException e) {
            System.err.println(e.getMessage() + "\n");
            helpFormatter.printHelp(100, COMMAND, "\noptions:", options, "\n" + CLI.FOOTER, false);
            System.out.println(); // extra line
            System.exit(-1);
        } catch (Exception e) {
            if (line.hasOption("xml")) {
                System.out.println("<error>" + e.getMessage() + "</error>");
            } else {
                System.err.println(e.getMessage());
            }
        } finally {
            System.out.println("</output>");
        }
        System.out.println(); // extra line
    }

    private static Options setupOptions() {
        Options options = new Options();

        options.addOption(OptionBuilder.withDescription("displays usage").create("help"));

        options.addOption(OptionBuilder.withArgName("proxyfile").withDescription("non-standard location of proxy")
                .hasArg().create("file"));

        options.addOption(OptionBuilder.withArgName("xml").withDescription("output as xml").create("xml"));

        return options;
    }

    private static void run(CommandLine line) throws Exception {
        GridSessionConfig conf = new GridSessionConfig();
        if (line.hasOption("file")) {
            conf.setProxyPath(line.getOptionValue("file"));
        }
        GridSession grid = GridSessionFactory.create(conf);
        grid.destroyProxy();
        if (line.hasOption("xml")) {
            System.out.println(
                    "<fileDestroyed>" + new File(conf.getProxyPath()).getAbsolutePath() + "</fileDestroyed>");
        } else {
            System.out.println("Proxy is destroyed: " + new File(conf.getProxyPath()).getAbsolutePath());
        }
    }

}