1 /*
2  * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/HTTP.java $
3  * $Revision: 555989 $
4  * $Date: 2007-07-13 06:33:39 -0700 (Fri, 13 Jul 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.protocol;
33 
34 /**
35  * Constants and static helpers related to the HTTP protocol.
36  *
37  * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
38  *
39  * @version $Revision: 555989 $
40  *
41  * @since 4.0
42  *
43  * @deprecated Please use {@link java.net.URL#openConnection} instead.
44  *     Please visit <a href="http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this webpage</a>
45  *     for further details.
46  */
47 @Deprecated
48 public final class HTTP {
49 
50     public static final int CR = 13; // <US-ASCII CR, carriage return (13)>
51     public static final int LF = 10; // <US-ASCII LF, linefeed (10)>
52     public static final int SP = 32; // <US-ASCII SP, space (32)>
53     public static final int HT = 9;  // <US-ASCII HT, horizontal-tab (9)>
54 
55     /** HTTP header definitions */
56     public static final String TRANSFER_ENCODING = "Transfer-Encoding";
57     public static final String CONTENT_LEN  = "Content-Length";
58     public static final String CONTENT_TYPE = "Content-Type";
59     public static final String CONTENT_ENCODING = "Content-Encoding";
60     public static final String EXPECT_DIRECTIVE = "Expect";
61     public static final String CONN_DIRECTIVE = "Connection";
62     public static final String TARGET_HOST = "Host";
63     public static final String USER_AGENT = "User-Agent";
64     public static final String DATE_HEADER = "Date";
65     public static final String SERVER_HEADER = "Server";
66 
67     /** HTTP expectations */
68     public static final String EXPECT_CONTINUE = "100-continue";
69 
70     /** HTTP connection control */
71     public static final String CONN_CLOSE = "Close";
72     public static final String CONN_KEEP_ALIVE = "Keep-Alive";
73 
74     /** Transfer encoding definitions */
75     public static final String CHUNK_CODING = "chunked";
76     public static final String IDENTITY_CODING = "identity";
77 
78     /** Common charset definitions */
79     public static final String UTF_8 = "UTF-8";
80     public static final String UTF_16 = "UTF-16";
81     public static final String US_ASCII = "US-ASCII";
82     public static final String ASCII = "ASCII";
83     public static final String ISO_8859_1 = "ISO-8859-1";
84 
85     /** Default charsets */
86     public static final String DEFAULT_CONTENT_CHARSET = ISO_8859_1;
87     public static final String DEFAULT_PROTOCOL_CHARSET = US_ASCII;
88 
89     /** Content type definitions */
90     public final static String OCTET_STREAM_TYPE = "application/octet-stream";
91     public final static String PLAIN_TEXT_TYPE = "text/plain";
92     public final static String CHARSET_PARAM = "; charset=";
93 
94     /** Default content type */
95     public final static String DEFAULT_CONTENT_TYPE = OCTET_STREAM_TYPE;
96 
isWhitespace(char ch)97     public static boolean isWhitespace(char ch) {
98         return ch == SP || ch == HT || ch == CR || ch == LF;
99     }
100 
HTTP()101     private HTTP() {
102     }
103 
104 }
105