Home | History | Annotate | Download | only in http
      1 /*
      2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/FormattedHeader.java $
      3  * $Revision: 569781 $
      4  * $Date: 2007-08-26 02:05:06 -0700 (Sun, 26 Aug 2007) $
      5  *
      6  * ====================================================================
      7  * Licensed to the Apache Software Foundation (ASF) under one
      8  * or more contributor license agreements.  See the NOTICE file
      9  * distributed with this work for additional information
     10  * regarding copyright ownership.  The ASF licenses this file
     11  * to you under the Apache License, Version 2.0 (the
     12  * "License"); you may not use this file except in compliance
     13  * with the License.  You may obtain a copy of the License at
     14  *
     15  *   http://www.apache.org/licenses/LICENSE-2.0
     16  *
     17  * Unless required by applicable law or agreed to in writing,
     18  * software distributed under the License is distributed on an
     19  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     20  * KIND, either express or implied.  See the License for the
     21  * specific language governing permissions and limitations
     22  * under the License.
     23  * ====================================================================
     24  *
     25  * This software consists of voluntary contributions made by many
     26  * individuals on behalf of the Apache Software Foundation.  For more
     27  * information on the Apache Software Foundation, please see
     28  * <http://www.apache.org/>.
     29  *
     30  */
     31 
     32 package org.apache.http;
     33 
     34 import org.apache.http.util.CharArrayBuffer;
     35 
     36 /**
     37  * An HTTP header which is already formatted.
     38  * For example when headers are received, the original formatting
     39  * can be preserved. This allows for the header to be sent without
     40  * another formatting step.
     41  *
     42  *
     43  * @version $Revision: 569781 $
     44  */
     45 public interface FormattedHeader extends Header {
     46 
     47 
     48     /**
     49      * Obtains the buffer with the formatted header.
     50      * The returned buffer MUST NOT be modified.
     51      *
     52      * @return  the formatted header, in a buffer that must not be modified
     53      */
     54     CharArrayBuffer getBuffer()
     55         ;
     56 
     57     /**
     58      * Obtains the start of the header value in the {@link #getBuffer buffer}.
     59      * By accessing the value in the buffer, creation of a temporary string
     60      * can be avoided.
     61      *
     62      * @return  index of the first character of the header value
     63      *          in the buffer returned by {@link #getBuffer getBuffer}.
     64      */
     65     int getValuePos()
     66         ;
     67 
     68 }
     69