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 */ getBuffer()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 */ getValuePos()65 int getValuePos() 66 ; 67 68 } 69