Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||
Message |
|
| 0.0;0 |
1 | /** |
|
2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
|
3 | * contributor license agreements. See the NOTICE file distributed with |
|
4 | * this work for additional information regarding copyright ownership. |
|
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
|
6 | * (the "License"); you may not use this file except in compliance with |
|
7 | * the License. You may obtain a copy of the License at |
|
8 | * |
|
9 | * http://www.apache.org/licenses/LICENSE-2.0 |
|
10 | * |
|
11 | * Unless required by applicable law or agreed to in writing, software |
|
12 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
14 | * See the License for the specific language governing permissions and |
|
15 | * limitations under the License. |
|
16 | */ |
|
17 | package org.apache.camel; |
|
18 | ||
19 | import org.apache.camel.impl.MessageSupport; |
|
20 | ||
21 | import java.util.Map; |
|
22 | ||
23 | /** |
|
24 | * Implements the <a |
|
25 | * href="http://activemq.apache.org/camel/message.html">Message</a> pattern and |
|
26 | * represents an inbound or outbound message as part of an {@link Exchange} |
|
27 | * |
|
28 | * @version $Revision: 564677 $ |
|
29 | */ |
|
30 | public interface Message { |
|
31 | ||
32 | /** |
|
33 | * @return the id of the message |
|
34 | */ |
|
35 | String getMessageId(); |
|
36 | ||
37 | /** |
|
38 | * set the id of the message |
|
39 | * |
|
40 | * @param messageId |
|
41 | */ |
|
42 | void setMessageId(String messageId); |
|
43 | ||
44 | /** |
|
45 | * Returns the exchange this message is related to |
|
46 | * |
|
47 | * @return |
|
48 | */ |
|
49 | Exchange getExchange(); |
|
50 | ||
51 | /** |
|
52 | * Accesses a specific header |
|
53 | * |
|
54 | * @param name |
|
55 | * @return object header associated with the name |
|
56 | */ |
|
57 | Object getHeader(String name); |
|
58 | ||
59 | /** |
|
60 | * Returns a header associated with this message by name and specifying the |
|
61 | * type required |
|
62 | * |
|
63 | * @param name the name of the header |
|
64 | * @param type the type of the header |
|
65 | * @return the value of the given header or null if there is no property for |
|
66 | * the given name or it cannot be converted to the given type |
|
67 | */ |
|
68 | <T> T getHeader(String name, Class<T> type); |
|
69 | ||
70 | /** |
|
71 | * Sets a header on the message |
|
72 | * |
|
73 | * @param name of the header |
|
74 | * @param value to associate with the name |
|
75 | */ |
|
76 | void setHeader(String name, Object value); |
|
77 | ||
78 | /** |
|
79 | * Returns all of the headers associated with the message |
|
80 | * |
|
81 | * @return all the headers in a Map |
|
82 | */ |
|
83 | Map<String, Object> getHeaders(); |
|
84 | ||
85 | /** |
|
86 | * Set all the headers associated with this message |
|
87 | * |
|
88 | * @param headers |
|
89 | */ |
|
90 | void setHeaders(Map<String, Object> headers); |
|
91 | ||
92 | /** |
|
93 | * Returns the body of the message as a POJO |
|
94 | * |
|
95 | * @return the body of the message |
|
96 | */ |
|
97 | Object getBody(); |
|
98 | ||
99 | /** |
|
100 | * Returns the body as the specified type |
|
101 | * |
|
102 | * @param type the type that the body |
|
103 | * @return the body of the message as the specified type |
|
104 | */ |
|
105 | <T> T getBody(Class<T> type); |
|
106 | ||
107 | /** |
|
108 | * Sets the body of the message |
|
109 | */ |
|
110 | void setBody(Object body); |
|
111 | ||
112 | /** |
|
113 | * Sets the body of the message as a specific type |
|
114 | */ |
|
115 | <T> void setBody(Object body, Class<T> type); |
|
116 | ||
117 | /** |
|
118 | * Creates a copy of this message so that it can be used and possibly |
|
119 | * modified further in another exchange |
|
120 | * |
|
121 | * @return a new message instance copied from this message |
|
122 | */ |
|
123 | Message copy(); |
|
124 | ||
125 | /** |
|
126 | * Copies the contents of the other message into this message |
|
127 | */ |
|
128 | void copyFrom(Message message); |
|
129 | } |