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.portal.util;
18:
19: import org.apache.cocoon.portal.coplet.CopletInstanceData;
20: import org.apache.cocoon.portal.layout.impl.CopletLayout;
21:
22: /**
23: * Field handler for external CopletInstanceData references.
24: *
25: * @author <a href="mailto:bluetkemeier@s-und-n.de">Björn Lütkemeier</a>
26: *
27: * @version CVS $Id: CopletInstanceDataReferenceFieldHandler.java 433543 2006-08-22 06:22:54Z crossley $
28: */
29: public class CopletInstanceDataReferenceFieldHandler extends
30: ReferenceFieldHandler {
31:
32: public Object getValue(Object object) {
33: CopletInstanceData copletInstanceData = ((CopletLayout) object)
34: .getCopletInstanceData();
35: if (copletInstanceData != null) {
36: return copletInstanceData.getId();
37: }
38: return null;
39: }
40:
41: public Object newInstance(Object parent) {
42: return new CopletInstanceData();
43: }
44:
45: public void resetValue(Object object) {
46: ((CopletLayout) object).setCopletInstanceData(null);
47: }
48:
49: public void setValue(Object object, Object value) {
50: CopletInstanceData copletInstanceData = (CopletInstanceData) getObjectMap()
51: .get(value);
52: if (copletInstanceData == null) {
53: throw new ProfileException(
54: "Referenced Coplet Instance Data " + value
55: + " does not exist.");
56: }
57: ((CopletLayout) object)
58: .setCopletInstanceData(copletInstanceData);
59: }
60: }
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