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| 1 | /* | ||
| 2 | * Copyright (c) 2000, 2006, 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 | * @author IBM Corp. | ||
| 27 | * | ||
| 28 | * Copyright IBM Corp. 1999-2000. All rights reserved. | ||
| 29 | */ | ||
| 30 | |||
| 31 | package javax.management.modelmbean; | ||
| 32 | |||
| 33 | import com.sun.jmx.mbeanserver.GetPropertyAction; | ||
| 34 | |||
| 35 | import java.io.IOException; | ||
| 36 | import java.io.ObjectInputStream; | ||
| 37 | import java.io.ObjectOutputStream; | ||
| 38 | import java.io.ObjectStreamField; | ||
| 39 | import java.security.AccessController; | ||
| 40 | |||
| 41 | /** | ||
| 42 | * Exception thrown when an invalid target object type is specified. | ||
| 43 | * | ||
| 44 | * | ||
| 45 | * <p>The <b>serialVersionUID</b> of this class is <code>1190536278266811217L</code>. | ||
| 46 | * | ||
| 47 | * @since 1.5 | ||
| 48 | */ | ||
| 49 | @SuppressWarnings("serial") // serialVersionUID not constant | ||
| 50 | public class InvalidTargetObjectTypeException extends Exception | ||
| 51 | { | ||
| 52 | |||
| 53 | // Serialization compatibility stuff: | ||
| 54 | // Two serial forms are supported in this class. The selected form depends | ||
| 55 | // on system property "jmx.serial.form": | ||
| 56 | // - "1.0" for JMX 1.0 | ||
| 57 | // - any other value for JMX 1.1 and higher | ||
| 58 | // | ||
| 59 | // Serial version for old serial form | ||
| 60 | private static final long oldSerialVersionUID = 3711724570458346634L; | ||
| 61 | // | ||
| 62 | // Serial version for new serial form | ||
| 63 | private static final long newSerialVersionUID = 1190536278266811217L; | ||
| 64 | // | ||
| 65 | // Serializable fields in old serial form | ||
| 66 | private static final ObjectStreamField[] oldSerialPersistentFields = | ||
| 67 | { | ||
| 68 | new ObjectStreamField("msgStr", String.class), | ||
| 69 | new ObjectStreamField("relatedExcept", Exception.class) | ||
| 70 | }; | ||
| 71 | // | ||
| 72 | // Serializable fields in new serial form | ||
| 73 | private static final ObjectStreamField[] newSerialPersistentFields = | ||
| 74 | { | ||
| 75 | new ObjectStreamField("exception", Exception.class) | ||
| 76 | }; | ||
| 77 | // | ||
| 78 | // Actual serial version and serial form | ||
| 79 | private static final long serialVersionUID; | ||
| 80 | /** | ||
| 81 | * @serialField exception Exception Encapsulated {@link Exception} | ||
| 82 | */ | ||
| 83 | private static final ObjectStreamField[] serialPersistentFields; | ||
| 84 | private static boolean compat = false; | ||
| 85 | static { | ||
| 86 | try { | ||
| 87 | GetPropertyAction act = new GetPropertyAction("jmx.serial.form"); | ||
| 88 | String form = AccessController.doPrivileged(act); | ||
| 89 | compat = (form != null && form.equals("1.0")); | ||
| 90 | } catch (Exception e) { | ||
| 91 | // OK: No compat with 1.0 | ||
| 92 | } | ||
| 93 | if (compat) { | ||
| 94 | serialPersistentFields = oldSerialPersistentFields; | ||
| 95 | serialVersionUID = oldSerialVersionUID; | ||
| 96 | } else { | ||
| 97 | serialPersistentFields = newSerialPersistentFields; | ||
| 98 | serialVersionUID = newSerialVersionUID; | ||
| 99 | } | ||
| 100 | } | ||
| 101 | // | ||
| 102 | // END Serialization compatibility stuff | ||
| 103 | |||
| 104 | /** | ||
| 105 | * @serial Encapsulated {@link Exception} | ||
| 106 | */ | ||
| 107 | Exception exception; | ||
| 108 | |||
| 109 | |||
| 110 | /** | ||
| 111 | * Default constructor. | ||
| 112 | */ | ||
| 113 | public InvalidTargetObjectTypeException () | ||
| 114 | { | ||
| 115 | super("InvalidTargetObjectTypeException: "); | ||
| 116 | exception = null; | ||
| 117 | } | ||
| 118 | |||
| 119 | |||
| 120 | /** | ||
| 121 | * Constructor from a string. | ||
| 122 | * | ||
| 123 | * @param s String value that will be incorporated in the message for | ||
| 124 | * this exception. | ||
| 125 | */ | ||
| 126 | |||
| 127 | public InvalidTargetObjectTypeException (String s) | ||
| 128 | { | ||
| 129 | super("InvalidTargetObjectTypeException: " + s); | ||
| 130 | exception = null; | ||
| 131 | } | ||
| 132 | |||
| 133 | |||
| 134 | /** | ||
| 135 | * Constructor taking an exception and a string. | ||
| 136 | * | ||
| 137 | * @param e Exception that we may have caught to reissue as an | ||
| 138 | * InvalidTargetObjectTypeException. The message will be used, and we may want to | ||
| 139 | * consider overriding the printStackTrace() methods to get data | ||
| 140 | * pointing back to original throw stack. | ||
| 141 | * @param s String value that will be incorporated in message for | ||
| 142 | * this exception. | ||
| 143 | */ | ||
| 144 | |||
| 145 | public InvalidTargetObjectTypeException (Exception e, String s) | ||
| 146 | { | ||
| 147 | super("InvalidTargetObjectTypeException: " + | ||
| 148 | s + | ||
| 149 | ((e != null)?("\n\t triggered by:" + e.toString()):"")); | ||
| 150 | exception = e; | ||
| 151 | } | ||
| 152 | |||
| 153 | /** | ||
| 154 | * Deserializes an {@link InvalidTargetObjectTypeException} from an {@link ObjectInputStream}. | ||
| 155 | */ | ||
| 156 | private void readObject(ObjectInputStream in) | ||
| 157 | throws IOException, ClassNotFoundException { | ||
| 158 | if (compat) | ||
| 159 | { | ||
| 160 | // Read an object serialized in the old serial form | ||
| 161 | // | ||
| 162 | ObjectInputStream.GetField fields = in.readFields(); | ||
| 163 | exception = (Exception) fields.get("relatedExcept", null); | ||
| 164 | if (fields.defaulted("relatedExcept")) | ||
| 165 | { | ||
| 166 | throw new NullPointerException("relatedExcept"); | ||
| 167 | } | ||
| 168 | } | ||
| 169 | else | ||
| 170 | { | ||
| 171 | // Read an object serialized in the new serial form | ||
| 172 | // | ||
| 173 | in.defaultReadObject(); | ||
| 174 | } | ||
| 175 | } | ||
| 176 | |||
| 177 | |||
| 178 | /** | ||
| 179 | * Serializes an {@link InvalidTargetObjectTypeException} to an {@link ObjectOutputStream}. | ||
| 180 | */ | ||
| 181 | private void writeObject(ObjectOutputStream out) | ||
| 182 | throws IOException { | ||
| 183 | if (compat) | ||
| 184 | { | ||
| 185 | // Serializes this instance in the old serial form | ||
| 186 | // | ||
| 187 | ObjectOutputStream.PutField fields = out.putFields(); | ||
| 188 | fields.put("relatedExcept", exception); | ||
| 189 | fields.put("msgStr", ((exception != null)?exception.getMessage():"")); | ||
| 190 | out.writeFields(); | ||
| 191 | } | ||
| 192 | else | ||
| 193 | { | ||
| 194 | // Serializes this instance in the new serial form | ||
| 195 | // | ||
| 196 | out.defaultWriteObject(); | ||
| 197 | } | ||
| 198 | } | ||
| 199 | } | ||