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Java > Open Source Codes > org > apache > cocoon > forms > formmodel > ExpandDefinitionBuilder


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.cocoon.forms.formmodel;
17
18 import org.apache.cocoon.forms.util.DomHelper;
19 import org.w3c.dom.Element JavaDoc;
20
21 /**
22  * Builds definitions by using library definitions.
23  *
24  * @version $Id: ExpandDefinitionBuilder.java 289538 2005-09-16 13:46:22Z sylvain $
25  */
26 public class ExpandDefinitionBuilder extends AbstractWidgetDefinitionBuilder {
27
28     public WidgetDefinition buildWidgetDefinition(Element JavaDoc element) throws Exception JavaDoc {
29         String JavaDoc id = DomHelper.getAttribute(element, "id");
30         
31         WidgetDefinition definition = context.getLocalLibrary().getDefinition(id);
32         
33         if(definition == null)
34             throw new Exception JavaDoc("Widget '"+id+"' not found! (at "+DomHelper.getLocation(element)+")");
35         
36         return definition;
37     }
38 }
39
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