1 /*
   2  * Copyright (c) 1999, 2011, 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  * This source code is provided to illustrate the usage of a given feature
  28  * or technique and has been deliberately simplified. Additional steps
  29  * required for a production-quality application, such as security checks,
  30  * input validation and proper error handling, might not be present in
  31  * this sample code.
  32  */
  33 
  34 
  35 package com.sun.tools.example.debug.bdi;
  36 
  37 public abstract class WatchpointSpec extends EventRequestSpec {
  38     final String fieldId;
  39 
  40     WatchpointSpec(EventRequestSpecList specs,
  41                    ReferenceTypeSpec refSpec, String fieldId) {
  42         super(specs, refSpec);
  43         this.fieldId = fieldId;
  44 //        if (!isJavaIdentifier(fieldId)) {
  45 //            throw new MalformedMemberNameException(fieldId);
  46 //        }
  47     }
  48 
  49     @Override
  50     void notifySet(SpecListener listener, SpecEvent evt) {
  51         listener.watchpointSet(evt);
  52     }
  53 
  54     @Override
  55     void notifyDeferred(SpecListener listener, SpecEvent evt) {
  56         listener.watchpointDeferred(evt);
  57     }
  58 
  59     @Override
  60     void notifyResolved(SpecListener listener, SpecEvent evt) {
  61         listener.watchpointResolved(evt);
  62     }
  63 
  64     @Override
  65     void notifyDeleted(SpecListener listener, SpecEvent evt) {
  66         listener.watchpointDeleted(evt);
  67     }
  68 
  69     @Override
  70     void notifyError(SpecListener listener, SpecErrorEvent evt) {
  71         listener.watchpointError(evt);
  72     }
  73 
  74     @Override
  75     public int hashCode() {
  76         return refSpec.hashCode() + fieldId.hashCode() +
  77             getClass().hashCode();
  78     }
  79 
  80     @Override
  81     public boolean equals(Object obj) {
  82         if (obj instanceof WatchpointSpec) {
  83             WatchpointSpec watchpoint = (WatchpointSpec)obj;
  84 
  85             return fieldId.equals(watchpoint.fieldId) &&
  86                    refSpec.equals(watchpoint.refSpec) &&
  87                    getClass().equals(watchpoint.getClass());
  88         } else {
  89             return false;
  90         }
  91     }
  92 
  93     @Override
  94     public String errorMessageFor(Exception e) {
  95         if (e instanceof NoSuchFieldException) {
  96             return ("No field " + fieldId + " in " + refSpec);
  97         } else {
  98             return super.errorMessageFor(e);
  99         }
 100     }
 101 }