/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* 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 com.google.gwt.search.client;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.GWT.UncaughtExceptionHandler;
import com.google.gwt.search.client.KeepHandler.KeepEvent;
import java.util.ArrayList;
/**
* A specialized List that is used to invoke methods on {@link KeepHandler}s.
*
* On exception, no further listener callbacks will be invoked.
*/
@SuppressWarnings("serial")
class KeepHandlerCollection extends ArrayList<KeepHandler> {
void fireKeep(SearchControl control, Result result) {
UncaughtExceptionHandler handler = GWT.getUncaughtExceptionHandler();
KeepEvent event = new KeepEvent(control, result);
for (KeepHandler l : this) {
if (handler != null) {
try {
l.onKeep(event);
} catch (Throwable e) {
handler.onUncaughtException(e);
break;
}
} else {
l.onKeep(event);
}
}
}
}