org.ow2.proactive_grid_cloud_portal.cli.cmd.HelpCommand.java Source code

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Here is the source code for org.ow2.proactive_grid_cloud_portal.cli.cmd.HelpCommand.java

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/*
 * ProActive Parallel Suite(TM):
 * The Open Source library for parallel and distributed
 * Workflows & Scheduling, Orchestration, Cloud Automation
 * and Big Data Analysis on Enterprise Grids & Clouds.
 *
 * Copyright (c) 2007 - 2017 ActiveEon
 * Contact: contact@activeeon.com
 *
 * This library 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: version 3 of
 * the License.
 *
 * 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/>.
 *
 * If needed, contact us to obtain a release under GPL Version 2 or 3
 * or a different license than the AGPL.
 */
package org.ow2.proactive_grid_cloud_portal.cli.cmd;

import java.io.PrintWriter;
import java.io.Writer;

import org.apache.commons.cli.HelpFormatter;
import org.ow2.proactive_grid_cloud_portal.cli.ApplicationContext;
import org.ow2.proactive_grid_cloud_portal.cli.CLIException;
import org.ow2.proactive_grid_cloud_portal.cli.CommandFactory;
import org.ow2.proactive_grid_cloud_portal.cli.utils.ProActiveVersionUtility;

public class HelpCommand extends AbstractCommand implements Command {

    public static final String USAGE = "proactive-client [OPTIONS]";

    public HelpCommand() {
    }

    @Override
    public void execute(ApplicationContext currentContext) throws CLIException {
        HelpFormatter formatter = new HelpFormatter();
        Writer writer = currentContext.getDevice().getWriter();

        ProActiveVersionUtility.writeProActiveVersionWithBreakEndLine(currentContext, System.out);

        PrintWriter pw = new PrintWriter(writer, true);
        formatter.printHelp(pw, 110, USAGE, "",
                CommandFactory.getCommandFactory(CommandFactory.Type.ALL).supportedOptions(),
                formatter.getLeftPadding(), formatter.getDescPadding(), "", false);
    }

}