de.awtools.config.SystemGlueConfig.java Source code

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Here is the source code for de.awtools.config.SystemGlueConfig.java

Source

/*
 * $Id: SystemGlueConfig.java 2319 2010-07-30 13:46:58Z andrewinkler $
 * ============================================================================
 * Project awtools-config
 * Copyright (c) 2004-2010 by Andre Winkler. All rights reserved.
 * ============================================================================
 *          GNU LESSER GENERAL PUBLIC LICENSE
 *  TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 *
 *  This 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 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 library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

package de.awtools.config;

import java.io.IOException;
import java.util.Iterator;

import org.apache.commons.collections.IteratorUtils;

/**
 * Ein Wrapper fr den Zugriff auf {@link System#getProperties()}.
 * 
 * @author  $Author: andrewinkler $
 * @version $Revision: 2319 $ $Date: 2010-07-30 15:46:58 +0200 (Fr, 30 Jul 2010) $
 */
public final class SystemGlueConfig extends AbstractGlueConfig {

    @Override
    protected Object doGetProperty(final String key) {
        return System.getProperties().getProperty(key);
    }

    @SuppressWarnings("unchecked")
    public Iterator<String> getKeyIterator() {
        Iterator<String> unmodifiableIterator = (Iterator<String>) IteratorUtils
                .unmodifiableIterator(System.getProperties().keySet().iterator());
        return unmodifiableIterator;
    }

    public void load() throws IOException {
        // Nix zu tun.
    }

    public void save() throws IOException {
        throw new UnsupportedOperationException();
    }

    public void setProperty(final String key, final String value) {
        System.setProperty(key, value);
    }

}