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package net.savantly.graphite.query;

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

public class ParameterStringBuilder {
    public static String getParamsString(Map params) 
      throws UnsupportedEncodingException{
        StringBuilder result = new StringBuilder();
 
        for (Map.Entry entry : params.entrySet()) {
          result.append(URLEncoder.encode(entry.getKey(), "UTF-8"));
          result.append("=");
          result.append(URLEncoder.encode(entry.getValue(), "UTF-8"));
          result.append("&");
        }
 
        String resultString = result.toString();
        return resultString.length() > 0
          ? resultString.substring(0, resultString.length() - 1)
          : resultString;
    }
}