Converts a Map into URLEncoded data that can be used in a POST

MapToData.java

package net.blerg;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.Map;
import java.util.Map.Entry;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class MapToData {

	private static final String UTF8 = "UTF-8";
	private static final Logger log = LoggerFactory.getLogger(MapToData.class);

	public static String mapToData(Map<String, String> map) {

		boolean first = true;
		String data = "";

		for (Entry<String, String> entry : map.entrySet()) {
			if (first) {
				first = false;
			} else {
				data += "&";
			}

			try {
				data += URLEncoder.encode(entry.getKey(), UTF8) + "=" + URLEncoder.encode(entry.getValue(), UTF8);
			} catch (UnsupportedEncodingException e) {
				log.error("URLEncoding failed, with either " + entry.getKey() + " and/or " + entry.getValue(), e);
			}
		}

		return data;
	}
}