12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394 |
- /*
- * Copyright (c) 2006-2015 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.parser.common;
-
- import com.dmdirc.parser.events.ParserErrorEvent;
- import com.dmdirc.parser.events.ParserEvent;
- import com.dmdirc.parser.interfaces.Parser;
-
- import java.util.Date;
-
- import net.engio.mbassy.bus.MBassador;
- import net.engio.mbassy.bus.config.BusConfiguration;
- import net.engio.mbassy.bus.config.Feature;
-
- /**
- * Parser Callback Manager.
- * Manages adding/removing/calling callbacks.
- */
- public class CallbackManager extends MBassador<ParserEvent> {
-
- private final Object errorHandlerLock = new Object();
- private final Parser parser;
-
- public CallbackManager(final Parser parser) {
- super(new BusConfiguration().addFeature(Feature.SyncPubSub.Default())
- .addFeature(Feature.AsynchronousHandlerInvocation.Default(1, 1)).addFeature(
- Feature.AsynchronousMessageDispatch.Default()
- .setNumberOfMessageDispatchers(1)));
- this.parser = parser;
- setupErrorHandler();
- }
-
- @SuppressWarnings("TypeMayBeWeakened")
- public CallbackManager(final BusConfiguration configuration, final Parser parser) {
- super(configuration);
- setupErrorHandler();
- this.parser = parser;
- }
-
- @Override
- public void publish(final ParserEvent message) {
- // TODO: HACKY REMOVE
- if (message.getParser() == null) {
- message.setParser(parser);
- }
- if (message.getDate() == null) {
- message.setDate(new Date());
- }
- // TODO: HACKY REMOVE
- super.publish(message);
- }
-
- @SuppressWarnings({
- "ThrowableResultOfMethodCallIgnored",
- "CallToPrintStackTrace",
- "UseOfSystemOutOrSystemErr"
- })
- private void setupErrorHandler() {
- addErrorHandler(e -> {
- if (Thread.holdsLock(errorHandlerLock)) {
- // ABORT ABORT ABORT - we're publishing an error on the same thread we just tried
- // to publish an error on. Something in the error reporting pipeline must be
- // breaking, so don't try adding any more errors.
- System.err.println("ERROR: Error when reporting error");
- e.getCause().printStackTrace();
- return;
- }
-
- synchronized (errorHandlerLock) {
- publish(new ParserErrorEvent(parser, new Date(), e.getCause()));
- }
- });
- }
- }
|