private void commandClear(StringTokenizer t) throws NoSessionException {
if (!t.hasMoreTokens()) {
// Print set breakpoints
listEventRequests();
return;
}
// ### need 'clear all'
BreakpointSpec bpSpec = parseBreakpointSpec(t.nextToken());
if (bpSpec != null) {
List<EventRequestSpec> specs = runtime.eventRequestSpecs();
if (specs.isEmpty()) {
env.notice("No breakpoints set.");
} else {
List<EventRequestSpec> toDelete = new ArrayList<EventRequestSpec>();
for (EventRequestSpec spec : specs) {
if (spec.equals(bpSpec)) {
toDelete.add(spec);
}
}
// The request used for matching should be found
if (toDelete.size() <= 1) {
env.notice("No matching breakpoint set.");
}
for (EventRequestSpec spec : toDelete) {
runtime.delete(spec);
}
}
} else {
env.error("Ill-formed breakpoint specification.");
}
}
private ThreadReference[] threads() throws NoSessionException {
if (threads == null) {
ThreadIterator ti = new ThreadIterator(getDefaultThreadGroup());
List<ThreadReference> tlist = new ArrayList<ThreadReference>();
while (ti.hasNext()) {
tlist.add(ti.nextThread());
}
threads = tlist.toArray(new ThreadReference[tlist.size()]);
}
return threads;
}
private BreakpointSpec parseBreakpointSpec(String bptSpec) {
StringTokenizer t = new StringTokenizer(bptSpec);
BreakpointSpec bpSpec = null;
// try {
String token = t.nextToken("@:( \t\n\r");
// We can't use hasMoreTokens here because it will cause any leading
// paren to be lost.
String rest;
try {
rest = t.nextToken("").trim();
} catch (NoSuchElementException e) {
rest = null;
}
if ((rest != null) && rest.startsWith("@")) {
t = new StringTokenizer(rest.substring(1));
String sourceName = token;
String lineToken = t.nextToken();
int lineNumber = Integer.valueOf(lineToken).intValue();
if (t.hasMoreTokens()) {
return null;
}
bpSpec = runtime.createSourceLineBreakpoint(sourceName, lineNumber);
} else if ((rest != null) && rest.startsWith(":")) {
t = new StringTokenizer(rest.substring(1));
String classId = token;
String lineToken = t.nextToken();
int lineNumber = Integer.valueOf(lineToken).intValue();
if (t.hasMoreTokens()) {
return null;
}
bpSpec = runtime.createClassLineBreakpoint(classId, lineNumber);
} else {
// Try stripping method from class.method token.
int idot = token.lastIndexOf(".");
if ((idot <= 0) || /* No dot or dot in first char */ (idot >= token.length() - 1)) {
/* dot in last char */
return null;
}
String methodName = token.substring(idot + 1);
String classId = token.substring(0, idot);
List<String> argumentList = null;
if (rest != null) {
if (!rest.startsWith("(") || !rest.endsWith(")")) {
// ### Should throw exception with error message
// out.println("Invalid method specification: "
// + methodName + rest);
return null;
}
// Trim the parens
// ### What about spaces in arglist?
rest = rest.substring(1, rest.length() - 1);
argumentList = new ArrayList<String>();
t = new StringTokenizer(rest, ",");
while (t.hasMoreTokens()) {
argumentList.add(t.nextToken());
}
}
bpSpec = runtime.createMethodBreakpoint(classId, methodName, argumentList);
}
// } catch (Exception e) {
// env.error("Exception attempting to create breakpoint: " + e);
// return null;
// }
return bpSpec;
}