2.1/user/javadoc/com/google/gwt/examples/http/client/QueryAndFormDataExample.java

package com.google.gwt.examples.http.client;

import com.google.gwt.http.client.URL;

public class QueryAndFormDataExample {
  
  public static interface Entry {
    String getName();
    String getValue();
  }

  public static String buildQueryString(Entry[] queryEntries) {
    StringBuffer sb = new StringBuffer();

    for (int i = 0, n = queryEntries.length; i < n; ++i) {
      Entry queryEntry = queryEntries[i];

      if (i > 0) {
        sb.append("&");
      }

      // encode the characters in the name
      String encodedName = URL.encodeQueryString(queryEntry.getName());
      sb.append(encodedName);
      
      sb.append("=");
    
      // encode the characters in the value
      String encodedValue = URL.encodeQueryString(queryEntry.getValue());
      sb.append(encodedValue);
    }
    
    return sb.toString();
  }
}