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.formmodel;
18:
19: import org.apache.cocoon.forms.FormsException;
20: import org.apache.cocoon.forms.util.DomHelper;
21:
22: import org.w3c.dom.Element;
23:
24: /**
25: * Builds definitions by using library definitions.
26: *
27: * @version $Id: ExpandDefinitionBuilder.java 449149 2006-09-23 03:58:05Z crossley $
28: */
29: public class ExpandDefinitionBuilder extends
30: AbstractWidgetDefinitionBuilder {
31:
32: public WidgetDefinition buildWidgetDefinition(Element element)
33: throws Exception {
34: String id = DomHelper.getAttribute(element, "id");
35:
36: WidgetDefinition definition = context.getLocalLibrary()
37: .getDefinition(id);
38: if (definition == null) {
39: throw new FormsException("Widget '" + id + "' not found.",
40: DomHelper.getLocationObject(element));
41: }
42:
43: return definition;
44: }
45: }
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