/*

  * Copyright 1999-2002,2004 The Apache Software Foundation.

  * 

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  * 

  *      http://www.apache.org/licenses/LICENSE-2.0

  * 

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.apache.commons.latka.http;

 import java.util.List;

 /**

  * Manage a set of http request headers

  *

  * @author Morgan Delagrange

  * @author dIon Gillard

  * @version $Id: RequestHeaders.java 155424 2005-02-26 13:09:29Z dirkv $

  */

 public interface RequestHeaders {

   /**

    * Add a header to the request

    * @param headerName header name

    * @param headerValue header value, or null for an empty value

    */

   void addHeader(String headerName, String headerValue);

   /**

    * Return a list of all the headers for the request.

    * Elements of the list are a String array with the

    * headerName as the first value and the header value

    * as the second (can be null).

    * @return all headers for the request

    */

   List getHeaders();

 }