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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.sun.tools.example.debug.tty;
import com.sun.jdi.request.EventRequest;
import com.sun.jdi.event.ClassPrepareEvent;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
class EventRequestSpecList {
private static final int statusResolved = 1;
private static final int statusUnresolved = 2;
private static final int statusError = 3;
// all specs
private List<EventRequestSpec> eventRequestSpecs = Collections.synchronizedList(
new ArrayList<EventRequestSpec>());
EventRequestSpecList() {
}
/**
* Resolve all deferred eventRequests waiting for 'refType'.
* @return true if it completes successfully, false on error.
*/
boolean resolve(ClassPrepareEvent event) {
boolean failure = false;
synchronized(eventRequestSpecs) {
for (EventRequestSpec spec : eventRequestSpecs) {
if (!spec.isResolved()) {
try {
EventRequest eventRequest = spec.resolve(event);
if (eventRequest != null) {
MessageOutput.println("Set deferred", spec.toString());
}
} catch (Exception e) {
MessageOutput.println("Unable to set deferred",
new Object [] {spec.toString(),
spec.errorMessageFor(e)});
failure = true;
}
}
}
}
return !failure;
}
void resolveAll() {
for (EventRequestSpec spec : eventRequestSpecs) {
try {
EventRequest eventRequest = spec.resolveEagerly();
if (eventRequest != null) {
MessageOutput.println("Set deferred", spec.toString());
}
} catch (Exception e) {
}
}
}
boolean addEagerlyResolve(EventRequestSpec spec) {
try {
eventRequestSpecs.add(spec);
EventRequest eventRequest = spec.resolveEagerly();
if (eventRequest != null) {
MessageOutput.println("Set", spec.toString());
}
return true;
} catch (Exception exc) {
MessageOutput.println("Unable to set",
new Object [] {spec.toString(),
spec.errorMessageFor(exc)});
return false;
}
}
BreakpointSpec createBreakpoint(String classPattern, int line)
throws ClassNotFoundException {
ReferenceTypeSpec refSpec =
new PatternReferenceTypeSpec(classPattern);
return new BreakpointSpec(refSpec, line);
}
BreakpointSpec createBreakpoint(String classPattern,
String methodId,
List<String> methodArgs)
throws MalformedMemberNameException,
ClassNotFoundException {
ReferenceTypeSpec refSpec =
new PatternReferenceTypeSpec(classPattern);
return new BreakpointSpec(refSpec, methodId, methodArgs);
}
EventRequestSpec createExceptionCatch(String classPattern,
boolean notifyCaught,
boolean notifyUncaught)
throws ClassNotFoundException {
ReferenceTypeSpec refSpec =
new PatternReferenceTypeSpec(classPattern);
return new ExceptionSpec(refSpec, notifyCaught, notifyUncaught);
}
WatchpointSpec createAccessWatchpoint(String classPattern,
String fieldId)
throws MalformedMemberNameException,
ClassNotFoundException {
ReferenceTypeSpec refSpec =
new PatternReferenceTypeSpec(classPattern);
return new AccessWatchpointSpec(refSpec, fieldId);
}
WatchpointSpec createModificationWatchpoint(String classPattern,
String fieldId)
throws MalformedMemberNameException,
ClassNotFoundException {
ReferenceTypeSpec refSpec =
new PatternReferenceTypeSpec(classPattern);
return new ModificationWatchpointSpec(refSpec, fieldId);
}
boolean delete(EventRequestSpec proto) {
synchronized (eventRequestSpecs) {
int inx = eventRequestSpecs.indexOf(proto);
if (inx != -1) {
EventRequestSpec spec = eventRequestSpecs.get(inx);
spec.remove();
eventRequestSpecs.remove(inx);
return true;
} else {
return false;
}
}
}
List<EventRequestSpec> eventRequestSpecs() {
// We need to make a copy to avoid synchronization problems
synchronized (eventRequestSpecs) {
return new ArrayList<EventRequestSpec>(eventRequestSpecs);
}
}
}