1/*
2 * Copyright (c) 1998, 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
35package com.sun.tools.example.debug.tty;
36
37abstract class WatchpointSpec extends EventRequestSpec {
38    final String fieldId;
39
40    WatchpointSpec(ReferenceTypeSpec refSpec, String fieldId)
41                                       throws MalformedMemberNameException {
42        super(refSpec);
43        this.fieldId = fieldId;
44        if (!isJavaIdentifier(fieldId)) {
45            throw new MalformedMemberNameException(fieldId);
46        }
47    }
48
49    @Override
50    public int hashCode() {
51        return refSpec.hashCode() + fieldId.hashCode() +
52            getClass().hashCode();
53    }
54
55    @Override
56    public boolean equals(Object obj) {
57        if (obj instanceof WatchpointSpec) {
58            WatchpointSpec watchpoint = (WatchpointSpec)obj;
59
60            return fieldId.equals(watchpoint.fieldId) &&
61                   refSpec.equals(watchpoint.refSpec) &&
62                   getClass().equals(watchpoint.getClass());
63        } else {
64            return false;
65        }
66    }
67
68    @Override
69    String errorMessageFor(Exception e) {
70        if (e instanceof NoSuchFieldException) {
71            return (MessageOutput.format("No field in",
72                                         new Object [] {fieldId, refSpec.toString()}));
73        } else {
74            return super.errorMessageFor(e);
75        }
76    }
77}
78