Home | History | Annotate | Download | only in jdi 
      1 /*
      2  * Copyright (c) 1999, 2000, 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 package com.sun.tools.jdi;
     27 
     28 import com.sun.jdi.*;
     29 import java.util.*;
     30 
     31 public class ClassObjectReferenceImpl extends ObjectReferenceImpl
     32                                       implements ClassObjectReference {
     33     private ReferenceType reflectedType;
     34 
     35     ClassObjectReferenceImpl(VirtualMachine vm, long ref) {
     36         super(vm, ref);
     37     }
     38 
     39     public ReferenceType reflectedType() {
     40         if (reflectedType == null) {
     41             try {
     42                 JDWP.ClassObjectReference.ReflectedType reply =
     43                     JDWP.ClassObjectReference.ReflectedType.process(vm, this);
     44                 reflectedType = vm.referenceType(reply.typeID,
     45                                                  reply.refTypeTag);
     46 
     47             } catch (JDWPException exc) {
     48                 throw exc.toJDIException();
     49             }
     50         }
     51         return reflectedType;
     52     }
     53 
     54     byte typeValueKey() {
     55         return JDWP.Tag.CLASS_OBJECT;
     56     }
     57 
     58     public String toString() {
     59         return "instance of " + referenceType().name() +
     60                "(reflected class=" + reflectedType().name() + ", " + "id=" + uniqueID() + ")";
     61     }
     62 }
     63