org.obiba.genobyte.cli.PrintRecordCommand.java Source code

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Here is the source code for org.obiba.genobyte.cli.PrintRecordCommand.java

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/*******************************************************************************
 * Copyright 2007(c) Gnome Qubec. All rights reserved.
 * 
 * This file is part of GenoByte.
 * 
 * GenoByte is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 * 
 * GenoByte 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
 *******************************************************************************/
package org.obiba.genobyte.cli;

import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.ParseException;
import org.obiba.genobyte.GenotypingRecordStore;

/**
 * Allows extracting a record from a store and outputing its values to the user.
 */
public class PrintRecordCommand implements CliCommand {

    public boolean requiresOpenStore() {
        return true;
    }

    public boolean execute(Option opt, CliContext context) throws ParseException {
        String str = opt.getValue();
        try {
            int index = Integer.valueOf(str);
            GenotypingRecordStore<?, ?, ?> store = context.getActiveRecordStore();
            if (store.getStore().getSize() == 0) {
                context.getOutput().println("Store is empty. To load records, use the --load command.");
            } else if (index < 0 || index >= store.getStore().getSize()) {
                context.getOutput().println(
                        "Record index invalid. Value must be between 0 and " + (store.getStore().getSize() - 1));
            } else {
                context.getOutput().println(store.getRecordManager().load(index));
            }
        } catch (NumberFormatException e) {
            context.getOutput().println("Record index invalid. The argument to this command should be an integer.");
        }
        return false;
    }

    public Option getOption() {
        return OptionBuilder.withDescription("load and print the record <i>.").withLongOpt("record").hasArg()
                .withArgName("i").create('r');
    }

}