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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.area;
-
- import org.apache.fop.events.EventBroadcaster;
- import org.apache.fop.events.EventProducer;
-
- /**
- * Event producer interface for events related to the area tree.
- */
- public interface AreaEventProducer extends EventProducer {
-
- /**
- * Provider class for the event producer.
- */
- static final class Provider {
-
- private Provider() {
- }
-
- /**
- * Returns an event producer.
- * @param broadcaster the event broadcaster to use
- * @return the event producer
- */
- public static AreaEventProducer get(EventBroadcaster broadcaster) {
- return (AreaEventProducer)broadcaster.getEventProducerFor(
- AreaEventProducer.class);
- }
- }
-
- /**
- * An unresolved ID reference was encountered.
- * @param source the event source
- * @param type the type of reference
- * @param id the unresolved ID
- * @event.severity WARN
- */
- void unresolvedIDReference(Object source, String type, String id);
-
- /**
- * An unresolved ID reference was encountered on a page.
- * @param source the event source
- * @param page the page the ID reference was found on
- * @param id the unresolved ID
- * @event.severity WARN
- */
- void unresolvedIDReferenceOnPage(Object source, String page, String id);
-
- /**
- * A page could not be loaded/deserialized from a file.
- * @param source the event source
- * @param page the page to be loaded
- * @param e the original exception
- * @event.severity ERROR
- */
- void pageLoadError(Object source, String page, Exception e);
-
- /**
- * A page could not be saved/serialized to a file.
- * @param source the event source
- * @param page the page to be serialized
- * @param e the original exception
- * @event.severity ERROR
- */
- void pageSaveError(Object source, String page, Exception e);
-
- /**
- * A page could not be rendered.
- * @param source the event source
- * @param page the page to be serialized
- * @param e the original exception
- * @event.severity ERROR
- */
- void pageRenderingError(Object source, String page, Exception e);
-
- }
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