summaryrefslogtreecommitdiffstats
path: root/src/org/apache/http/HttpResponse.java
blob: f232f86793ccf21890842c21b0b5d8f38b6a0eeb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/HttpResponse.java $
 * $Revision: 652956 $
 * $Date: 2008-05-02 17:13:05 -0700 (Fri, 02 May 2008) $
 *
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */

package org.apache.http;


import java.util.Locale;


/**
 * An HTTP response.
 *
 * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
 *
 * @version $Revision: 652956 $
 * 
 * @since 4.0
 */
public interface HttpResponse extends HttpMessage {

    /**
     * Obtains the status line of this response.
     * The status line can be set using one of the
     * {@link #setStatusLine setStatusLine} methods,
     * or it can be initialized in a constructor.
     *
     * @return  the status line, or <code>null</code> if not yet set
     */
    StatusLine getStatusLine();

    /**
     * Sets the status line of this response.
     *
     * @param statusline the status line of this response
     */
    void setStatusLine(StatusLine statusline);

    /**
     * Sets the status line of this response.
     * The reason phrase will be determined based on the current
     * {@link #getLocale locale}.
     *
     * @param ver       the HTTP version
     * @param code      the status code
     */
    void setStatusLine(ProtocolVersion ver, int code);

    /**
     * Sets the status line of this response with a reason phrase.
     *
     * @param ver       the HTTP version
     * @param code      the status code
     * @param reason    the reason phrase, or <code>null</code> to omit
     */
    void setStatusLine(ProtocolVersion ver, int code, String reason);
    
    /**
     * Updates the status line of this response with a new status code.
     * The status line can only be updated if it is available. It must
     * have been set either explicitly or in a constructor.
     * <br/>
     * The reason phrase will be updated according to the new status code,
     * based on the current {@link #getLocale locale}. It can be set
     * explicitly using {@link #setReasonPhrase setReasonPhrase}.
     * 
     * @param code the HTTP status code.
     *
     * @throws IllegalStateException
     *          if the status line has not be set
     *
     * @see HttpStatus
     * @see #setStatusLine(StatusLine)
     * @see #setStatusLine(ProtocolVersion,int)
     */
    void setStatusCode(int code)
        throws IllegalStateException;

    /**
     * Updates the status line of this response with a new reason phrase.
     * The status line can only be updated if it is available. It must
     * have been set either explicitly or in a constructor.
     *
     * @param reason    the new reason phrase as a single-line string, or
     *                  <code>null</code> to unset the reason phrase
     *
     * @throws IllegalStateException
     *          if the status line has not be set
     *
     * @see #setStatusLine(StatusLine)
     * @see #setStatusLine(ProtocolVersion,int)
     */
    void setReasonPhrase(String reason)
        throws IllegalStateException;

    /**
     * Obtains the message entity of this response, if any.
     * The entity is provided by calling {@link #setEntity setEntity}.
     *
     * @return  the response entity, or
     *          <code>null</code> if there is none
     */
    HttpEntity getEntity();
    
    /**
     * Associates a response entity with this response.
     *
     * @param entity    the entity to associate with this response, or
     *                  <code>null</code> to unset
     */
    void setEntity(HttpEntity entity);

    /**
     * Obtains the locale of this response.
     * The locale is used to determine the reason phrase
     * for the {@link #setStatusCode status code}.
     * It can be changed using {@link #setLocale setLocale}.
     *
     * @return  the locale of this response, never <code>null</code>
     */
    Locale getLocale();

    /**
     * Changes the locale of this response.
     * If there is a status line, it's reason phrase will be updated
     * according to the status code and new locale.
     *
     * @param loc       the new locale
     *
     * @see #getLocale getLocale
     * @see #setStatusCode setStatusCode
     */
    void setLocale(Locale loc);
}