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/*
 * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
/*
 * @author    IBM Corp.
 *
 * Copyright IBM Corp. 1999-2000.  All rights reserved.
 */

package javax.management.modelmbean;

import com.sun.jmx.mbeanserver.GetPropertyAction;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamField;
import java.security.AccessController;


Exception thrown when an invalid target object type is specified.

The serialVersionUID of this class is 1190536278266811217L.

Since:1.5
/**
 * Exception thrown when an invalid target object type is specified.
 *
 *
 * <p>The <b>serialVersionUID</b> of this class is <code>1190536278266811217L</code>.
 *
 * @since 1.5
 */
@SuppressWarnings("serial")  // serialVersionUID not constant
public class InvalidTargetObjectTypeException  extends Exception
{

    // Serialization compatibility stuff:
    // Two serial forms are supported in this class. The selected form depends
    // on system property "jmx.serial.form":
    //  - "1.0" for JMX 1.0
    //  - any other value for JMX 1.1 and higher
    //
    // Serial version for old serial form
    private static final long oldSerialVersionUID = 3711724570458346634L;
    //
    // Serial version for new serial form
    private static final long newSerialVersionUID = 1190536278266811217L;
    //
    // Serializable fields in old serial form
    private static final ObjectStreamField[] oldSerialPersistentFields =
    {
      new ObjectStreamField("msgStr", String.class),
      new ObjectStreamField("relatedExcept", Exception.class)
    };
    //
    // Serializable fields in new serial form
    private static final ObjectStreamField[] newSerialPersistentFields =
    {
      new ObjectStreamField("exception", Exception.class)
    };
    //
    // Actual serial version and serial form
    private static final long serialVersionUID;
    
@serialFieldexception Exception Encapsulated Exception
/**
     * @serialField exception Exception Encapsulated {@link Exception}
     */
    private static final ObjectStreamField[] serialPersistentFields;
    private static boolean compat = false;
    static {
        try {
            GetPropertyAction act = new GetPropertyAction("jmx.serial.form");
            String form = AccessController.doPrivileged(act);
            compat = (form != null && form.equals("1.0"));
        } catch (Exception e) {
            // OK: No compat with 1.0
        }
        if (compat) {
            serialPersistentFields = oldSerialPersistentFields;
            serialVersionUID = oldSerialVersionUID;
        } else {
            serialPersistentFields = newSerialPersistentFields;
            serialVersionUID = newSerialVersionUID;
        }
    }
    //
    // END Serialization compatibility stuff

    
@serialEncapsulated Exception
/**
     * @serial Encapsulated {@link Exception}
     */
    Exception exception;


    
Default constructor.

/**
     * Default constructor.
     */
    public InvalidTargetObjectTypeException ()
    {
      super("InvalidTargetObjectTypeException: ");
      exception = null;
    }


    
Constructor from a string.

Params:
  • s – String value that will be incorporated in the message for
   this exception.
/**
     * Constructor from a string.
     *
     * @param s String value that will be incorporated in the message for
     *    this exception.
     */

    public InvalidTargetObjectTypeException (String s)
    {
      super("InvalidTargetObjectTypeException: " + s);
      exception = null;
    }


    
Constructor taking an exception and a string.

Params:
  • e – Exception that we may have caught to reissue as an
   InvalidTargetObjectTypeException.  The message will be used, and we may want to
   consider overriding the printStackTrace() methods to get data
   pointing back to original throw stack.
  • s – String value that will be incorporated in message for
   this exception.
/**
     * Constructor taking an exception and a string.
     *
     * @param e Exception that we may have caught to reissue as an
     *    InvalidTargetObjectTypeException.  The message will be used, and we may want to
     *    consider overriding the printStackTrace() methods to get data
     *    pointing back to original throw stack.
     * @param s String value that will be incorporated in message for
     *    this exception.
     */

    public InvalidTargetObjectTypeException (Exception e, String s)
    {
      super("InvalidTargetObjectTypeException: " +
            s +
            ((e != null)?("\n\t triggered by:" + e.toString()):""));
      exception = e;
    }

    /**
     * Deserializes an {@link InvalidTargetObjectTypeException} from an {@link ObjectInputStream}.
     */
    private void readObject(ObjectInputStream in)
            throws IOException, ClassNotFoundException {
      if (compat)
      {
        // Read an object serialized in the old serial form
        //
        ObjectInputStream.GetField fields = in.readFields();
        exception = (Exception) fields.get("relatedExcept", null);
        if (fields.defaulted("relatedExcept"))
        {
          throw new NullPointerException("relatedExcept");
        }
      }
      else
      {
        // Read an object serialized in the new serial form
        //
        in.defaultReadObject();
      }
    }


    /**
     * Serializes an {@link InvalidTargetObjectTypeException} to an {@link ObjectOutputStream}.
     */
    private void writeObject(ObjectOutputStream out)
            throws IOException {
      if (compat)
      {
        // Serializes this instance in the old serial form
        //
        ObjectOutputStream.PutField fields = out.putFields();
        fields.put("relatedExcept", exception);
        fields.put("msgStr", ((exception != null)?exception.getMessage():""));
        out.writeFields();
      }
      else
      {
        // Serializes this instance in the new serial form
        //
        out.defaultWriteObject();
      }
    }
}