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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/com/sun/jmx/snmp/SnmpString.java (1 of 18352 files). Show all

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java/pkg/com/sun/jmx/snmp/SnmpString.java+278−0
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1+/*
2+ * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved.
3+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4+ *
5+ * This code is free software; you can redistribute it and/or modify it
6+ * under the terms of the GNU General Public License version 2 only, as
7+ * published by the Free Software Foundation. Oracle designates this
8+ * particular file as subject to the "Classpath" exception as provided
9+ * by Oracle in the LICENSE file that accompanied this code.
10+ *
11+ * This code is distributed in the hope that it will be useful, but WITHOUT
12+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14+ * version 2 for more details (a copy is included in the LICENSE file that
15+ * accompanied this code).
16+ *
17+ * You should have received a copy of the GNU General Public License version
18+ * 2 along with this work; if not, write to the Free Software Foundation,
19+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20+ *
21+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22+ * or visit www.oracle.com if you need additional information or have any
23+ * questions.
24+ */
25+
26+
27+package com.sun.jmx.snmp;
28+
29+import java.net.InetAddress;
30+import java.net.UnknownHostException;
31+
32+/**
33+ * Represents an SNMP string.
34+ *
35+ * <p><b>This API is a Sun Microsystems internal API and is subject
36+ * to change without notice.</b></p>
37+ */
38+
39+public class SnmpString extends SnmpValue {
40+ private static final long serialVersionUID = -7011986973225194188L;
41+
42+ // CONSTRUCTORS
43+ //-------------
44+ /**
45+ * Constructs a new empty <CODE>SnmpString</CODE>.
46+ */
47+ public SnmpString() {
48+ value = new byte[0] ;
49+ }
50+
51+ /**
52+ * Constructs a new <CODE>SnmpString</CODE> from the specified bytes array.
53+ * @param v The bytes composing the string value.
54+ */
55+ public SnmpString(byte[] v) {
56+ value = v.clone() ;
57+ }
58+
59+ /**
60+ * Constructs a new <CODE>SnmpString</CODE> from the specified <CODE>Bytes</CODE> array.
61+ * @param v The <CODE>Bytes</CODE> composing the string value.
62+ */
63+ public SnmpString(Byte[] v) {
64+ value = new byte[v.length] ;
65+ for (int i = 0 ; i < v.length ; i++) {
66+ value[i] = v[i].byteValue() ;
67+ }
68+ }
69+
70+ /**
71+ * Constructs a new <CODE>SnmpString</CODE> from the specified <CODE>String</CODE> value.
72+ * @param v The initialization value.
73+ */
74+ public SnmpString(String v) {
75+ value = v.getBytes() ;
76+ }
77+
78+ /**
79+ * Constructs a new <CODE>SnmpString</CODE> from the specified <CODE> InetAddress </Code>.
80+ * @param address The <CODE>InetAddress </CODE>.
81+ *
82+ * @since 1.5
83+ */
84+ public SnmpString(InetAddress address) {
85+ value = address.getAddress();
86+ }
87+
88+ // PUBLIC METHODS
89+ //---------------
90+
91+ /**
92+ * Converts the string value to its <CODE> InetAddress </CODE> form.
93+ * @return an {@link InetAddress} defined by the string value.
94+ * @exception UnknownHostException If string value is not a legal address format.
95+ *
96+ * @since 1.5
97+ */
98+ public InetAddress inetAddressValue() throws UnknownHostException {
99+ return InetAddress.getByAddress(value);
100+ }
101+
102+ /**
103+ * Converts the specified binary string into a character string.
104+ * @param bin The binary string value to convert.
105+ * @return The character string representation.
106+ */
107+ public static String BinToChar(String bin) {
108+ char value[] = new char[bin.length()/8];
109+ int binLength = value.length;
110+ for (int i = 0; i < binLength; i++)
111+ value[i] = (char)Integer.parseInt(bin.substring(8*i, 8*i+8), 2);
112+ return new String(value);
113+ }
114+
115+ /**
116+ * Converts the specified hexadecimal string into a character string.
117+ * @param hex The hexadecimal string value to convert.
118+ * @return The character string representation.
119+ */
120+ public static String HexToChar(String hex) {
121+ char value[] = new char[hex.length()/2];
122+ int hexLength = value.length;
123+ for (int i = 0; i < hexLength; i++)
124+ value[i] = (char)Integer.parseInt(hex.substring(2*i, 2*i+2), 16);
125+ return new String(value);
126+ }
127+
128+ /**
129+ * Returns the bytes array of this <CODE>SnmpString</CODE>.
130+ * @return The value.
131+ */
132+ public byte[] byteValue() {
133+ return value ;
134+ }
135+
136+ /**
137+ * Converts the string value to its array of <CODE>Bytes</CODE> form.
138+ * @return The array of <CODE>Bytes</CODE> representation of the value.
139+ */
140+ public Byte[] toByte() {
141+ Byte[] result = new Byte[value.length] ;
142+ for (int i = 0 ; i < value.length ; i++) {
143+ result[i] = new Byte(value[i]) ;
144+ }
145+ return result ;
146+ }
147+
148+ /**
149+ * Converts the string value to its <CODE>String</CODE> form.
150+ * @return The <CODE>String</CODE> representation of the value.
151+ */
152+ public String toString() {
153+ return new String(value) ;
154+ }
155+
156+ /**
157+ * Converts the string value to its <CODE>SnmpOid</CODE> form.
158+ * @return The OID representation of the value.
159+ */
160+ public SnmpOid toOid() {
161+ long[] ids = new long[value.length] ;
162+ for (int i = 0 ; i < value.length ; i++) {
163+ ids[i] = (long)(value[i] & 0xFF) ;
164+ }
165+ return new SnmpOid(ids) ;
166+ }
167+
168+ /**
169+ * Extracts the string from an index OID and returns its
170+ * value converted as an <CODE>SnmpOid</CODE>.
171+ * @param index The index array.
172+ * @param start The position in the index array.
173+ * @return The OID representing the string value.
174+ * @exception SnmpStatusException There is no string value
175+ * available at the start position.
176+ */
177+ public static SnmpOid toOid(long[] index, int start) throws SnmpStatusException {
178+ try {
179+ if (index[start] > Integer.MAX_VALUE) {
180+ throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
181+ }
182+ int strLen = (int)index[start++] ;
183+ long[] ids = new long[strLen] ;
184+ for (int i = 0 ; i < strLen ; i++) {
185+ ids[i] = index[start + i] ;
186+ }
187+ return new SnmpOid(ids) ;
188+ }
189+ catch(IndexOutOfBoundsException e) {
190+ throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
191+ }
192+ }
193+
194+ /**
195+ * Scans an index OID, skips the string value and returns the position
196+ * of the next value.
197+ * @param index The index array.
198+ * @param start The position in the index array.
199+ * @return The position of the next value.
200+ * @exception SnmpStatusException There is no string value
201+ * available at the start position.
202+ */
203+ public static int nextOid(long[] index, int start) throws SnmpStatusException {
204+ try {
205+ if (index[start] > Integer.MAX_VALUE) {
206+ throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
207+ }
208+ int strLen = (int)index[start++] ;
209+ start += strLen ;
210+ if (start <= index.length) {
211+ return start ;
212+ }
213+ else {
214+ throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
215+ }
216+ }
217+ catch(IndexOutOfBoundsException e) {
218+ throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
219+ }
220+ }
221+
222+ /**
223+ * Appends an <CODE>SnmpOid</CODE> representing an <CODE>SnmpString</CODE> to another OID.
224+ * @param source An OID representing an <CODE>SnmpString</CODE> value.
225+ * @param dest Where source should be appended.
226+ */
227+ public static void appendToOid(SnmpOid source, SnmpOid dest) {
228+ dest.append(source.getLength()) ;
229+ dest.append(source) ;
230+ }
231+
232+ /**
233+ * Performs a clone action. This provides a workaround for the
234+ * <CODE>SnmpValue</CODE> interface.
235+ * @return The SnmpValue clone.
236+ */
237+ final synchronized public SnmpValue duplicate() {
238+ return (SnmpValue) clone() ;
239+ }
240+
241+ /**
242+ * Clones the <CODE>SnmpString</CODE> object, making a copy of its data.
243+ * @return The object clone.
244+ */
245+ synchronized public Object clone() {
246+ SnmpString newclone = null ;
247+
248+ try {
249+ newclone = (SnmpString) super.clone() ;
250+ newclone.value = new byte[value.length] ;
251+ System.arraycopy(value, 0, newclone.value, 0, value.length) ;
252+ } catch (CloneNotSupportedException e) {
253+ throw new InternalError() ; // vm bug.
254+ }
255+ return newclone ;
256+ }
257+
258+ /**
259+ * Returns a textual description of the type object.
260+ * @return ASN.1 textual description.
261+ */
262+ public String getTypeName() {
263+ return name ;
264+ }
265+
266+ // VARIABLES
267+ //----------
268+ /**
269+ * Name of the type.
270+ */
271+ final static String name = "String" ;
272+
273+ /**
274+ * This is the bytes array of the string value.
275+ * @serial
276+ */
277+ protected byte[] value = null ;
278+}

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