1069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/* 2069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/message/HeaderGroup.java $ 3069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Revision: 659185 $ 4069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * $Date: 2008-05-22 11:07:36 -0700 (Thu, 22 May 2008) $ 5069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 6069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 7069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one 8069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * or more contributor license agreements. See the NOTICE file 9069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * distributed with this work for additional information 10069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * regarding copyright ownership. The ASF licenses this file 11069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * to you under the Apache License, Version 2.0 (the 12069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * "License"); you may not use this file except in compliance 13069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * with the License. You may obtain a copy of the License at 14069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 15069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 16069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 17069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Unless required by applicable law or agreed to in writing, 18069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * software distributed under the License is distributed on an 19069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 20069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * KIND, either express or implied. See the License for the 21069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * specific language governing permissions and limitations 22069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * under the License. 23069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * ==================================================================== 24069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 25069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * This software consists of voluntary contributions made by many 26069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * individuals on behalf of the Apache Software Foundation. For more 27069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * information on the Apache Software Foundation, please see 28069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <http://www.apache.org/>. 29069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 30069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 31069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 32069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpackage org.apache.http.message; 33069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 34069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.util.ArrayList; 35069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.util.List; 36069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport java.util.Locale; 37069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 38069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.Header; 39069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.HeaderIterator; 40069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectimport org.apache.http.util.CharArrayBuffer; 41069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 42069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project/** 43069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * A class for combining a set of headers. 44069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * This class allows for multiple headers with the same name and 45069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * keeps track of the order in which headers were added. 46069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 47069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @author Michael Becke 48069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 49069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @since 4.0 50069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 51069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Projectpublic class HeaderGroup implements Cloneable { 52069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 53069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** The list of headers for this group, in the order in which they were added */ 54069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project private List headers; 55069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 56069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 57069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Constructor for HeaderGroup. 58069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 59069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public HeaderGroup() { 60069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.headers = new ArrayList(16); 61069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 62069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 63069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 64069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Removes any contained headers. 65069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 66069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void clear() { 67069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project headers.clear(); 68069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 69069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 70069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 71069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Adds the given header to the group. The order in which this header was 72069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * added is preserved. 73069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 74069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param header the header to add 75069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 76069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void addHeader(Header header) { 77069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (header == null) { 78069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return; 79069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 80069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project headers.add(header); 81069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 82069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 83069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 84069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Removes the given header. 85069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 86069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param header the header to remove 87069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 88069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void removeHeader(Header header) { 89069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (header == null) { 90069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return; 91069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 92069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project headers.remove(header); 93069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 94069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 95069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 96069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Replaces the first occurence of the header with the same name. If no header with 97069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * the same name is found the given header is added to the end of the list. 98069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 99069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param header the new header that should replace the first header with the same 100069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * name if present in the list. 101069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 102069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void updateHeader(Header header) { 103069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (header == null) { 104069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return; 105069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 106069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (int i = 0; i < this.headers.size(); i++) { 107069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project Header current = (Header) this.headers.get(i); 108069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (current.getName().equalsIgnoreCase(header.getName())) { 109069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.headers.set(i, header); 110069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return; 111069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 112069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 113069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.headers.add(header); 114069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 115069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 116069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 117069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Sets all of the headers contained within this group overriding any 118069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * existing headers. The headers are added in the order in which they appear 119069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * in the array. 120069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 121069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param headers the headers to set 122069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 123069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public void setHeaders(Header[] headers) { 124069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project clear(); 125069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (headers == null) { 126069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return; 127069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 128069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (int i = 0; i < headers.length; i++) { 129069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project this.headers.add(headers[i]); 130069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 131069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 132069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 133069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 134069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Gets a header representing all of the header values with the given name. 135069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * If more that one header with the given name exists the values will be 136069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * combined with a "," as per RFC 2616. 137069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 138069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <p>Header name comparison is case insensitive. 139069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 140069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param name the name of the header(s) to get 141069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return a header with a condensed value or <code>null</code> if no 142069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * headers by the given name are present 143069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 144069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public Header getCondensedHeader(String name) { 145069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project Header[] headers = getHeaders(name); 146069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 147069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (headers.length == 0) { 148069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return null; 149069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } else if (headers.length == 1) { 150069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return headers[0]; 151069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } else { 152069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project CharArrayBuffer valueBuffer = new CharArrayBuffer(128); 153069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project valueBuffer.append(headers[0].getValue()); 154069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (int i = 1; i < headers.length; i++) { 155069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project valueBuffer.append(", "); 156069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project valueBuffer.append(headers[i].getValue()); 157069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 158069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 159069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new BasicHeader(name.toLowerCase(Locale.ENGLISH), valueBuffer.toString()); 160069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 161069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 162069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 163069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 164069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Gets all of the headers with the given name. The returned array 165069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * maintains the relative order in which the headers were added. 166069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 167069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <p>Header name comparison is case insensitive. 168069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 169069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param name the name of the header(s) to get 170069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 171069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return an array of length >= 0 172069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 173069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public Header[] getHeaders(String name) { 174069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project ArrayList headersFound = new ArrayList(); 175069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 176069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (int i = 0; i < headers.size(); i++) { 177069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project Header header = (Header) headers.get(i); 178069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (header.getName().equalsIgnoreCase(name)) { 179069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project headersFound.add(header); 180069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 181069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 182069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 183069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return (Header[]) headersFound.toArray(new Header[headersFound.size()]); 184069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 185069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 186069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 187069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Gets the first header with the given name. 188069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 189069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <p>Header name comparison is case insensitive. 190069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 191069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param name the name of the header to get 192069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return the first header or <code>null</code> 193069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 194069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public Header getFirstHeader(String name) { 195069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (int i = 0; i < headers.size(); i++) { 196069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project Header header = (Header) headers.get(i); 197069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (header.getName().equalsIgnoreCase(name)) { 198069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return header; 199069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 200069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 201069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return null; 202069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 203069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 204069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 205069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Gets the last header with the given name. 206069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 207069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <p>Header name comparison is case insensitive. 208069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 209069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param name the name of the header to get 210069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return the last header or <code>null</code> 211069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 212069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public Header getLastHeader(String name) { 213069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project // start at the end of the list and work backwards 214069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (int i = headers.size() - 1; i >= 0; i--) { 215069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project Header header = (Header) headers.get(i); 216069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (header.getName().equalsIgnoreCase(name)) { 217069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return header; 218069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 219069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 220069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 221069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return null; 222069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 223069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 224069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 225069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Gets all of the headers contained within this group. 226069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 227069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return an array of length >= 0 228069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 229069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public Header[] getAllHeaders() { 230069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return (Header[]) headers.toArray(new Header[headers.size()]); 231069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 232069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 233069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 234069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Tests if headers with the given name are contained within this group. 235069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 236069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <p>Header name comparison is case insensitive. 237069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 238069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param name the header name to test for 239069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return <code>true</code> if at least one header with the name is 240069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * contained, <code>false</code> otherwise 241069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 242069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public boolean containsHeader(String name) { 243069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project for (int i = 0; i < headers.size(); i++) { 244069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project Header header = (Header) headers.get(i); 245069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project if (header.getName().equalsIgnoreCase(name)) { 246069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return true; 247069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 248069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 249069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 250069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return false; 251069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 252069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 253069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 254069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Returns an iterator over this group of headers. 255069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 256069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return iterator over this group of headers. 257069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 258069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @since 4.0 259069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 260069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public HeaderIterator iterator() { 261069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new BasicListHeaderIterator(this.headers, null); 262069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 263069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 264069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 265069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Returns an iterator over the headers with a given name in this group. 266069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 267069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @param name the name of the headers over which to iterate, or 268069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * <code>null</code> for all headers 269069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 270069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return iterator over some headers in this group. 271069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 272069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @since 4.0 273069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 274069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public HeaderIterator iterator(final String name) { 275069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return new BasicListHeaderIterator(this.headers, name); 276069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 277069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 278069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project /** 279069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * Returns a copy of this object 280069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * 281069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project * @return copy of this object 282069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project */ 283069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public HeaderGroup copy() { 284069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HeaderGroup clone = new HeaderGroup(); 285069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project clone.headers.addAll(this.headers); 286069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return clone; 287069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 288069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 289069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project public Object clone() throws CloneNotSupportedException { 290069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project HeaderGroup clone = (HeaderGroup) super.clone(); 291069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project clone.headers = new ArrayList(this.headers); 292069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project return clone; 293069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project } 294069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project 295069490a5ca2fd1988d29daf45d892f47ad665115The Android Open Source Project} 296