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/**
 * Copyright (c) 2010-2012 EBM WebSourcing, 2012-2016 Linagora
 * 
 * This program/library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 2.1 of the License, or (at your
 * option) any later version.
 * 
 * This program/library 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 Lesser General Public License
 * for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program/library; If not, see http://www.gnu.org/licenses/
 * for the GNU Lesser General Public License version 2.1.
 */
package org.ow2.petals.cli.command;

import org.ow2.petals.cli.api.command.AbstractCommand;
import org.ow2.petals.cli.api.command.exception.CommandException;

/**
 * This command prints a message and interpolates properties value.
 * @author Sebastien Andre - EBM WebSourcing
 */
public class Print extends AbstractCommand {

    public Print() {
        super();
        this.setUsage("");
        this.setDescription("Print a message");
    }

    /**
     * {@inheritDoc}
     * 
     * 
     * Dedicated processing to the command 'print': No connection is required to
     * execute it.
     * 
     */
    @Override
    public boolean isConnectionRequired() {
        return false;
    }

    @Override
    public void doExecute(final String[] args) throws CommandException {

        final StringBuilder sb = new StringBuilder();
        for (final String word : args) {
            sb.append(this.getShell().interpolate(word));
            sb.append(' ');
        }

        if (args.length > 0) {
            sb.deleteCharAt(sb.length() - 1);
        }

        this.getShell().getPrintStream().println(sb.toString());
    }


}