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Java > Open Source Codes > snmp > SNMPUnknownObject


1 /*
2  * SNMP Package
3  *
4  * Copyright (C) 2004, Jonathan Sevy <jsevy@mcs.drexel.edu>
5  *
6  * This is free software. Redistribution and use in source and binary forms, with
7  * or without modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice, this
11  * list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  * derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
19  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
21  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
23  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  */
29
30
31 package snmp;
32
33 import java.io.*;
34
35
36
37 /**
38 * Used when an unknown SNMP object type is encountered. Just takes a byte array
39 * for its constructor, and uses this as raw bytes.
40 */
41
42 public class SNMPUnknownObject extends SNMPObject
43 {
44     private byte[] data;
45     
46     protected byte tag = SNMPBERCodec.SNMPUNKNOWNOBJECT;
47     
48     /**
49     * Just takes a byte array, and uses this as raw bytes.
50     */
51     public SNMPUnknownObject(byte[] enc)
52     {
53         data = enc;
54     }
55     
56     
57     
58     
59     /**
60     * Return a byte array containing the raw bytes supplied.
61     */
62     public Object JavaDoc getValue()
63     {
64         return data;
65     }
66     
67     
68     
69     
70     /**
71     * Takes a byte array containing the raw bytes stored as the value.
72     */
73     
74     public void setValue(Object JavaDoc data)
75         throws SNMPBadValueException
76     {
77         if (data instanceof byte[])
78             this.data = (byte[])data;
79         else
80             throw new SNMPBadValueException(" Unknown Object: bad object supplied to set value ");
81     }
82     
83     
84     
85     
86     
87     /**
88     * Return the BER encoding of this object.
89     */
90     
91     protected byte[] getBEREncoding()
92     {
93         
94         ByteArrayOutputStream outBytes = new ByteArrayOutputStream();
95         
96         byte type = SNMPBERCodec.SNMPUNKNOWNOBJECT;
97         
98         // calculate encoding for length of data
99 byte[] len = SNMPBERCodec.encodeLength(data.length);
100         
101         // encode T,L,V info
102 outBytes.write(type);
103         outBytes.write(len, 0, len.length);
104         outBytes.write(data, 0, data.length);
105     
106         return outBytes.toByteArray();
107     }
108     
109     
110     
111     
112     /**
113     * Return String created from raw bytes of this object.
114     */
115     
116     public String JavaDoc toString()
117     {
118         return new String JavaDoc(data);
119     }
120     
121     
122     
123 }
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