Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DefaultMessageAdapter |
|
| 2.25;2.25 |
1 | /* | |
2 | * $Id: DefaultMessageAdapter.java 7976 2007-08-21 14:26:13Z dirk.olmes $ | |
3 | * -------------------------------------------------------------------------------------- | |
4 | * Copyright (c) MuleSource, Inc. All rights reserved. http://www.mulesource.com | |
5 | * | |
6 | * The software in this package is published under the terms of the CPAL v1.0 | |
7 | * license, a copy of which has been included with this distribution in the | |
8 | * LICENSE.txt file. | |
9 | */ | |
10 | ||
11 | package org.mule.providers; | |
12 | ||
13 | import org.mule.impl.ThreadSafeAccess; | |
14 | import org.mule.umo.provider.UMOMessageAdapter; | |
15 | ||
16 | import java.util.Map; | |
17 | ||
18 | /** | |
19 | * <code>DefaultMessageAdapter</code> can be used to wrap an arbitary object where | |
20 | * no special 'apapting' is needed. The adapter allows for a set of properties to be | |
21 | * associated with an object. | |
22 | */ | |
23 | ||
24 | public class DefaultMessageAdapter extends AbstractMessageAdapter | |
25 | { | |
26 | /** | |
27 | * Serial version | |
28 | */ | |
29 | private static final long serialVersionUID = 1908152148142575505L; | |
30 | ||
31 | /** | |
32 | * The message object wrapped by this adapter | |
33 | */ | |
34 | protected Object message; | |
35 | ||
36 | /** | |
37 | * Creates a default message adapter with properties and attachments | |
38 | * | |
39 | * @param message the message to wrap. If this is null and NullPayload object | |
40 | * will be used | |
41 | * @see NullPayload | |
42 | */ | |
43 | public DefaultMessageAdapter(Object message) | |
44 | 0 | { |
45 | 0 | if (message == null) |
46 | { | |
47 | 0 | this.message = NullPayload.getInstance(); |
48 | } | |
49 | else | |
50 | { | |
51 | 0 | this.message = message; |
52 | } | |
53 | 0 | } |
54 | ||
55 | public DefaultMessageAdapter(Object message, UMOMessageAdapter previous) | |
56 | { | |
57 | 0 | super(previous); |
58 | 0 | if (previous != null) |
59 | { | |
60 | 0 | if (message == null) |
61 | { | |
62 | 0 | this.message = NullPayload.getInstance(); |
63 | } | |
64 | else | |
65 | { | |
66 | 0 | this.message = message; |
67 | } | |
68 | } | |
69 | else | |
70 | { | |
71 | 0 | throw new IllegalArgumentException("previousAdapter may not be null"); |
72 | } | |
73 | 0 | } |
74 | ||
75 | /** | |
76 | * Creates a default message adapter with properties and attachments | |
77 | * | |
78 | * @param message the message to wrap. If this is null and NullPayload object | |
79 | * will be used | |
80 | * @param properties a map properties to set on the adapter. Can be null. | |
81 | * @param attachments a map attaches (DataHandler objects) to set on the adapter. | |
82 | * Can be null. | |
83 | * @see NullPayload | |
84 | * @see javax.activation.DataHandler | |
85 | */ | |
86 | public DefaultMessageAdapter(Object message, Map properties, Map attachments) | |
87 | { | |
88 | 0 | this(message); |
89 | 0 | if (properties != null) |
90 | { | |
91 | 0 | this.properties.putAll(properties); |
92 | } | |
93 | 0 | if (attachments != null) |
94 | { | |
95 | 0 | this.attachments.putAll(attachments); |
96 | } | |
97 | 0 | } |
98 | ||
99 | /** | |
100 | * Converts the message implementation into a String representation | |
101 | * | |
102 | * @param encoding The encoding to use when transforming the message (if | |
103 | * necessary). The parameter is used when converting from a byte array | |
104 | * @return String representation of the message payload | |
105 | * @throws Exception Implementation may throw an endpoint specific exception | |
106 | */ | |
107 | public String getPayloadAsString(String encoding) throws Exception | |
108 | { | |
109 | 0 | if (message instanceof byte[]) |
110 | { | |
111 | 0 | if (encoding != null) |
112 | { | |
113 | 0 | return new String((byte[]) message, encoding); |
114 | } | |
115 | else | |
116 | { | |
117 | 0 | return new String((byte[]) message); |
118 | } | |
119 | } | |
120 | else | |
121 | { | |
122 | 0 | return message.toString(); |
123 | } | |
124 | } | |
125 | ||
126 | /** | |
127 | * Converts the message implementation into a String representation | |
128 | * | |
129 | * @return String representation of the message | |
130 | * @throws Exception Implemetation may throw an endpoint specific exception | |
131 | */ | |
132 | public byte[] getPayloadAsBytes() throws Exception | |
133 | { | |
134 | 0 | return convertToBytes(message); |
135 | } | |
136 | ||
137 | /** | |
138 | * @return the current message | |
139 | */ | |
140 | public Object getPayload() | |
141 | { | |
142 | 0 | return message; |
143 | } | |
144 | ||
145 | public String getUniqueId() | |
146 | { | |
147 | 0 | return id; |
148 | } | |
149 | ||
150 | public ThreadSafeAccess newThreadCopy() | |
151 | { | |
152 | 0 | return new DefaultMessageAdapter(getPayload(), this); |
153 | } | |
154 | ||
155 | } |