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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 com.sun.jdi.ThreadReference;

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'.
Returns:true if it completes successfully, false on error.
/** * 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, ThreadReference threadFilter) throws ClassNotFoundException { ReferenceTypeSpec refSpec = new PatternReferenceTypeSpec(classPattern); return new BreakpointSpec(refSpec, line, threadFilter); } BreakpointSpec createBreakpoint(String classPattern, String methodId, ThreadReference threadFilter, List<String> methodArgs) throws MalformedMemberNameException, ClassNotFoundException { ReferenceTypeSpec refSpec = new PatternReferenceTypeSpec(classPattern); return new BreakpointSpec(refSpec, methodId, threadFilter, 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); } } }