net.alegen.datpass.cli.input.PasswordCommand.java Source code

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Here is the source code for net.alegen.datpass.cli.input.PasswordCommand.java

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/*
 * DatpassCLI - command line utility for generating passwords
 * Copyright (C) 2013 - 2014 Alexandru Geana (alegen)
 *
 * This program 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.
 *
 * 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 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 net.alegen.datpass.cli.input;

import net.alegen.datpass.cli.Application;
import net.alegen.datpass.cli.utils.ClipboardHandler;
import net.alegen.datpass.cli.utils.Settings;
import net.alegen.datpass.library.Generator;
import net.alegen.datpass.library.configure.Configurator;
import org.apache.commons.cli.*;

public class PasswordCommand extends Command {

    private static final String OPTION_LENGTH = "l";
    private static final String OPTION_LENGTH_LONG = "length";
    private static final String OPTION_INPUT = "i";
    private static final String OPTION_INPUT_LONG = "input";

    protected PasswordCommand() {
        this.options = new Options();
        Option length = OptionBuilder.hasArg().withArgName("length").withDescription("length of the password")
                .withLongOpt(OPTION_LENGTH_LONG).create(OPTION_LENGTH);
        Option input = OptionBuilder.hasArg().withArgName("input")
                .withDescription("input for the key generation function").withLongOpt(OPTION_INPUT_LONG)
                .create(OPTION_INPUT);
        this.options.addOption(length);
        this.options.addOption(input);
    }

    @Override
    public void execute() {
        try {
            CommandLineParser parser = new PosixParser();
            String[] arrayArgs = new String[this.args.size()];
            this.args.toArray(arrayArgs);
            CommandLine line = parser.parse(this.options, arrayArgs);
            String input = "";
            int length = -1;
            if (line.hasOption(OPTION_INPUT))
                input = line.getOptionValue(OPTION_INPUT);
            else {
                System.out.print("Input: ");
                input = String.valueOf(System.console().readPassword());
            }
            if (line.hasOption(OPTION_LENGTH))
                length = Integer.parseInt(line.getOptionValue(OPTION_LENGTH));
            else
                length = 100;
            String password = Generator.getInstance().password(input, length);
            if (Settings.echo())
                System.out.println(password);
            if (Settings.clipboard())
                ClipboardHandler.getInstance().set(password);
        } catch (Generator.GeneratorException e) {

        } catch (ParseException e) {

        }
    }
}