| /* |
| * Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * 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). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * 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); |
| } |
| } |
| } |