| /* |
| * Copyright (c) 2015, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except |
| * in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.dartlang.vm.service; |
| |
| import org.dartlang.vm.service.element.Event; |
| import org.dartlang.vm.service.element.EventKind; |
| |
| import java.util.Set; |
| |
| /** |
| * Sample VmListener for responding to state changes in the running application |
| */ |
| public class SampleVmServiceListener implements VmServiceListener { |
| private final Object lock = new Object(); |
| private String lastStreamId; |
| private Event lastEvent; |
| private final Set<EventKind> ignoreAll; |
| |
| SampleVmServiceListener(Set<EventKind> ignoreAll) { |
| this.ignoreAll = ignoreAll; |
| } |
| |
| @Override |
| public void connectionOpened() { |
| |
| } |
| |
| @Override |
| public void received(String streamId, Event event) { |
| synchronized (lock) { |
| if (ignoreAll.contains(event.getKind())) { |
| return; |
| } |
| if (lastStreamId != null) { |
| unexpectedEvent(lastStreamId, lastEvent); |
| } |
| lastStreamId = streamId; |
| lastEvent = event; |
| lock.notifyAll(); |
| } |
| } |
| |
| @Override |
| public void connectionClosed() { |
| |
| } |
| |
| public Event waitFor(String expectedStreamId, EventKind expectedEventKind) { |
| long end = System.currentTimeMillis() + 5000; |
| synchronized (lock) { |
| while (true) { |
| if (expectedStreamId.equals(lastStreamId) && expectedEventKind.equals(lastEvent.getKind())) { |
| Event event = lastEvent; |
| lastStreamId = null; |
| lastEvent = null; |
| return event; |
| } |
| long timeout = end - System.currentTimeMillis(); |
| if (timeout <= 0) { |
| break; |
| } |
| try { |
| lock.wait(timeout); |
| } catch (InterruptedException e) { |
| // ignored |
| } |
| } |
| } |
| throw new RuntimeException("Expected event: " + expectedStreamId + ", " + expectedEventKind); |
| } |
| |
| private void unexpectedEvent(String streamId, Event event) { |
| System.out.println("****** Unexpected Event: " + streamId + ", " + event.getKind()); |
| } |
| } |