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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 | +} | |