/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2008 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program 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, 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 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/.
 */
package com.rapidminer.tools;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * This class represents properties accessed by a String value.
 * 
 * @author Michael Wurst, Ingo Mierswa
 * @version $Id: StringProperties.java,v 1.4 2008/05/09 19:22:55 ingomierswa Exp $
 * 
 */
public class StringProperties implements Serializable {

	private static final long serialVersionUID = 1926744586167372203L;
	
	private final Map<Object, Object> properties;

	public StringProperties() {
		super();
		properties = new HashMap<Object, Object>();
	}

	public StringProperties(StringProperties props) {
		this();
		Iterator it = props.getKeys();
		while (it.hasNext()) {
			String key = (String) it.next();
			this.properties.put(key, props.get(key));
		}
	}

	public void set(String key, Object val) {
		properties.put(key, val);
	}

	public Object get(String key) {
		return properties.get(key);
	}

	public Iterator getKeys() {
		return properties.keySet().iterator();
	}

	public String toString() {
		StringBuffer result = new StringBuffer();
		Iterator it = properties.keySet().iterator();
		while (it.hasNext()) {
			Object key = it.next();
			Object value = properties.get(key);
			result.append(key);
			result.append(":");
			result.append(value);
			result.append(Tools.getLineSeparator());
		}
		return result.toString();
	}
}