01: // Copyright 2007 The Apache Software Foundation
02: //
03: // Licensed under the Apache License, Version 2.0 (the "License");
04: // you may not use this file except in compliance with the License.
05: // You may obtain a copy of the License at
06: //
07: // http://www.apache.org/licenses/LICENSE-2.0
08: //
09: // Unless required by applicable law or agreed to in writing, software
10: // distributed under the License is distributed on an "AS IS" BASIS,
11: // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12: // See the License for the specific language governing permissions and
13: // limitations under the License.
14:
15: package org.apache.tapestry.internal.services;
16:
17: import java.util.Collection;
18:
19: import org.apache.tapestry.ioc.internal.util.TapestryException;
20: import org.apache.tapestry.runtime.Component;
21: import org.apache.tapestry.services.ActionResponseGenerator;
22: import org.apache.tapestry.services.ComponentEventResultProcessor;
23:
24: /** A catch-all for type Object that reports the return value as an error. */
25: public class ObjectComponentEventResultProcessor implements
26: ComponentEventResultProcessor<Object> {
27: private final Collection<Class> _configuredClasses;
28:
29: public ObjectComponentEventResultProcessor(
30: final Collection<Class> configuredClasses) {
31: _configuredClasses = configuredClasses;
32: }
33:
34: public ActionResponseGenerator processComponentEvent(Object value,
35: Component component, String methodDescripion) {
36: String message = ServicesMessages.invalidComponentEventResult(
37: component, value, methodDescripion, _configuredClasses);
38:
39: throw new TapestryException(message, component, null);
40: }
41:
42: }
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