1 /*
2 * Copyright (c) 1999, 2012, 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 import com.sun.jdi.*;
38 import com.sun.jdi.request.*;
39
40 import java.util.*;
41
42 class EventRequestSpecList {
43
44 // all specs
45 private List<EventRequestSpec> eventRequestSpecs = Collections.synchronizedList(
46 new ArrayList<EventRequestSpec>());
47
48 final ExecutionManager runtime;
49
50 EventRequestSpecList(ExecutionManager runtime) {
51 this.runtime = runtime;
52 }
53
54 /**
55 * Resolve all deferred eventRequests waiting for 'refType'.
56 */
57 void resolve(ReferenceType refType) {
58 synchronized(eventRequestSpecs) {
59 for (EventRequestSpec spec : eventRequestSpecs) {
60 spec.attemptResolve(refType);
61 }
62 }
63 }
64
65 void install(EventRequestSpec ers, VirtualMachine vm) {
66 synchronized (eventRequestSpecs) {
67 eventRequestSpecs.add(ers);
68 }
69 if (vm != null) {
70 ers.attemptImmediateResolve(vm);
71 }
72 }
73
74 BreakpointSpec
75 createClassLineBreakpoint(String classPattern, int line) {
76 ReferenceTypeSpec refSpec =
77 new PatternReferenceTypeSpec(classPattern);
78 return new LineBreakpointSpec(this, refSpec, line);
79 }
80
81 BreakpointSpec
82 createSourceLineBreakpoint(String sourceName, int line) {
83 ReferenceTypeSpec refSpec =
84 new SourceNameReferenceTypeSpec(sourceName, line);
85 return new LineBreakpointSpec(this, refSpec, line);
86 }
87
88 BreakpointSpec
89 createMethodBreakpoint(String classPattern,
90 String methodId, List<String> methodArgs) {
91 ReferenceTypeSpec refSpec =
92 new PatternReferenceTypeSpec(classPattern);
93 return new MethodBreakpointSpec(this, refSpec,
94 methodId, methodArgs);
95 }
96
97 ExceptionSpec
98 createExceptionIntercept(String classPattern,
99 boolean notifyCaught,
100 boolean notifyUncaught) {
101 ReferenceTypeSpec refSpec =
102 new PatternReferenceTypeSpec(classPattern);
103 return new ExceptionSpec(this, refSpec,
104 notifyCaught, notifyUncaught);
105 }
106
107 AccessWatchpointSpec
108 createAccessWatchpoint(String classPattern, String fieldId) {
109 ReferenceTypeSpec refSpec =
110 new PatternReferenceTypeSpec(classPattern);
111 return new AccessWatchpointSpec(this, refSpec, fieldId);
112 }
113
114 ModificationWatchpointSpec
115 createModificationWatchpoint(String classPattern, String fieldId) {
116 ReferenceTypeSpec refSpec =
117 new PatternReferenceTypeSpec(classPattern);
118 return new ModificationWatchpointSpec(this, refSpec, fieldId);
119 }
120
121 void delete(EventRequestSpec ers) {
122 EventRequest request = ers.getEventRequest();
123 synchronized (eventRequestSpecs) {
124 eventRequestSpecs.remove(ers);
125 }
126 if (request != null) {
127 request.virtualMachine().eventRequestManager()
128 .deleteEventRequest(request);
129 }
130 notifyDeleted(ers);
131 //### notify delete - here?
132 }
133
134 List<EventRequestSpec> eventRequestSpecs() {
135 // We need to make a copy to avoid synchronization problems
136 synchronized (eventRequestSpecs) {
137 return new ArrayList<EventRequestSpec>(eventRequestSpecs);
138 }
139 }
140
141 // -------- notify routines --------------------
142
143 private ArrayList<SpecListener> specListeners() {
144 return runtime.specListeners.clone();
145 }
146
147 void notifySet(EventRequestSpec spec) {
148 List<SpecListener> l = specListeners();
149 SpecEvent evt = new SpecEvent(spec);
150 for (int i = 0; i < l.size(); i++) {
151 spec.notifySet(l.get(i), evt);
152 }
153 }
154
155 void notifyDeferred(EventRequestSpec spec) {
156 List<SpecListener> l = specListeners();
157 SpecEvent evt = new SpecEvent(spec);
158 for (int i = 0; i < l.size(); i++) {
159 spec.notifyDeferred(l.get(i), evt);
160 }
161 }
162
163 void notifyDeleted(EventRequestSpec spec) {
164 List<SpecListener> l = specListeners();
165 SpecEvent evt = new SpecEvent(spec);
166 for (int i = 0; i < l.size(); i++) {
167 spec.notifyDeleted(l.get(i), evt);
168 }
169 }
170
171 void notifyResolved(EventRequestSpec spec) {
172 List<SpecListener> l = specListeners();
173 SpecEvent evt = new SpecEvent(spec);
174 for (int i = 0; i < l.size(); i++) {
175 spec.notifyResolved(l.get(i), evt);
176 }
177 }
178
179 void notifyError(EventRequestSpec spec, Exception exc) {
180 List<SpecListener> l = specListeners();
181 SpecErrorEvent evt = new SpecErrorEvent(spec, exc);
182 for (int i = 0; i < l.size(); i++) {
183 spec.notifyError(l.get(i), evt);
184 }
185 }
186 }