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1
22
23 package org.aspectj.debugger.request;
24
25 import org.aspectj.debugger.base.*;
26
27 import com.sun.jdi.*;
28 import com.sun.jdi.request.*;
29 import com.sun.jdi.event.*;
30 import java.util.*;
31
32
40
41 public abstract class RequestActionSupport extends Request implements VMListener, StopListener {
42
43 protected boolean isSet = false;
44 protected EventRequest request;
45 protected String  text;
46 public RequestActionSupport setText(String text) {
47 this.text = text;
48 return this;
49 }
50
51 private boolean isDeferred = false;
52 private SourceManager.SourceLine sourceLine;
53
54
55 protected boolean isEnabled = true;
56 public boolean isEnabled() { return isEnabled; }
57
58 public RequestActionSupport(Debugger debugger, String text) {
59 super(debugger);
60 if (text != null && !text.trim().equals("")) debugger.addStopListener(this);
61 setText(text);
62 }
63
64 public RequestActionSupport(Debugger debugger) {
65 this(debugger, null);
66 }
67
68 abstract void resolveAll();
69
70 public boolean isSetting() {
71 return true;
72 }
73
74 public boolean isBreakpoint() {
75 return false;
76 }
77
78 public boolean isSet() {
79 return isSet;
80 }
81
82 public EventRequest setRequest(EventRequest request) {
83 return (this.request = request);
84 }
85
86 protected EventRequest set() {
87 add();
88 try {
89 resolveAll();
90 } catch (VMDisconnectedException e) {
91 }
92 return getRequest();
93 }
94
95 protected EventRequest unset() {
96 RequestAction request = remove(); EventRequest req = null;
99 if (request != null) {
100 try {
101 req = request.getRequest(); if (req != null) {
103 vm().eventRequestManager().deleteEventRequest(req);
104 }
105 } catch (NoVMException e) {
106 }
107 } else {
108 try {
109 req = getRequest(); req = getRequest(); if (req != null) {
111 vm().eventRequestManager().deleteEventRequest(req);
112
113 }
114 } catch (NoVMException e) {
115 }
116 }
117 return req; }
119
120 public static String f(BreakpointRequest req) {
121 String str = req + "";
122 str += ", suspendPolicy=" + req.suspendPolicy();
123 str += ", enabled=" + req.isEnabled();
124 str += ", location=" + req.location();
125 return str;
126 }
127
128 public EventRequest getRequest() {
129 return request;
130 }
131
132 public boolean isDeferred() {
133 return isDeferred;
134 }
135
136 protected void setDeferred(boolean isDeferred) {
137 this.isDeferred = isDeferred;
138 }
139
140 protected VirtualMachine vm() throws NoVMException {
141 return debugger.getVM();
142 }
143
144 protected void addListeners() {
145 debugger.addVMListener(this);
146 }
147
148 protected void add() {
149 addListeners();
150 debugger.addRequest(this);
151 isEnabled = true;
152 }
153
154 protected void removeListeners() {
155 debugger.removeVMListener(this);
156 }
157
158 protected RequestAction remove() {
159 removeListeners();
160 RequestAction req = debugger.removeRequest(this);
161 isEnabled = false;
162 if (req != null) {
163 dbg().fireRequestClearEvent(new RequestEvent(this, true));
164 }
165 return req;
166 }
167
168 public SourceManager.SourceLine getSourceLine() {
169 return this.sourceLine;
170 }
171
172 public void setSourceLine(SourceManager.SourceLine sourceLine) {
173 this.sourceLine = sourceLine;
174 }
175
176 protected boolean success() {
177 if (isSetting()) {
178 dbg().setStatus("Set " + this);
179 dbg().fireRequestSetEvent(new RequestEvent(this, true));
180 } else {
181 dbg().setStatus("Clear " + this);
182 dbg().fireRequestClearEvent(new RequestEvent(this, true));
183 }
184 return (isSet = true);
185 }
186
187 protected boolean defer() {
188 setDeferred(true);
189 dbg().fireRequestDeferredEvent(new RequestEvent(this, false));
190 return (isSet = false);
191 }
192
193 protected boolean failure(boolean verbose) {
194 dbg().setStatus("Deferring " + this);
195 if (verbose) {
196 dbg().fireRequestFailedEvent(new RequestEvent(this, false));
197 }
198 return (isSet = false);
199 }
200
201 private void reset() {
202 isSet = false;
203 request = null;
204 }
205
206
207 public void vmStartEvent(VMStartEvent e) {
208 if (!isSet()) {
209 resolveAll();
210 }
211 }
212 public void vmDeathEvent(VMDeathEvent e) {}
213 public void vmDisconnectEvent(VMDisconnectEvent e) {}
214
215
216 public void breakpointEvent(BreakpointEvent e) { }
217 public void exceptionEvent(ExceptionEvent e) { }
218 public void accessWatchpointEvent(AccessWatchpointEvent e) { }
219 public void modificationWatchpointEvent(ModificationWatchpointEvent e) { }
220 public void stepEvent(StepEvent e) { }
221
222 protected String format(String str) { return str; }
223 protected void print(Event e) {
224 if (isEnabled() && text != null && e != null && e.request().equals(request)) {
225 debugger.app().outln(format(text));
226 }
227 }
228 }
229 |
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