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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/* $Id$ */
package org.apache.fop.events;
import static org.junit.Assert.fail;
/**
* Class that checks that an expected event is produced, and only this one.
*/
class EventChecker implements EventListener {
private final String expectedEventID;
private boolean eventReceived;
EventChecker(String expectedEventID) {
this.expectedEventID = expectedEventID;
}
public void processEvent(Event event) {
// Always create the message to make sure there is no error in the formatting process
String msg = EventFormatter.format(event);
if (event.getEventID().equals(expectedEventID)) {
eventReceived = true;
} else {
fail("Unexpected event: id = " + event.getEventID() + ": " + msg);
}
}
void end() {
if (!eventReceived) {
fail("Did not received expected event: " + expectedEventID);
}
}
}
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