01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.forms.event;
18:
19: /**
20: * A FormHandler can be registered with a {@link org.apache.cocoon.forms.formmodel.Form Form},
21: * and will then receive all events fired by widgets on the form.
22: *
23: * <p>It provides an alternative way of handling events, instead of specifying the eventhandlers
24: * in the form definition.
25: *
26: * <p>It is useful when you want to write your event-handling code in Java, have all events
27: * handled by one class (which could of course again delegate to other classes), and when
28: * you want the event handler to have access to objects it would not be able to get access
29: * to if they were part of the form definition.
30: *
31: * @version $Id: FormHandler.java 449149 2006-09-23 03:58:05Z crossley $
32: */
33: public interface FormHandler {
34:
35: public void handleEvent(WidgetEvent widgetEvent);
36:
37: }
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