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.woody.binding;
18:
19: import org.apache.cocoon.woody.util.DomHelper;
20: import org.w3c.dom.Element;
21:
22: /**
23: * SetAttributeJXPathBindingBuilder provides a helper class for the Factory
24: * implemented in {@link JXPathBindingManager} that helps construct the
25: * actual {@link SetAttributeJXPathBinding} out of the configuration in the
26: * provided configElement which looks like:
27: * <pre><code>
28: * <wb:set-attribute name="<i>attribute-name to set to</i>"
29: * value="<i>attribute-value</i>"/>
30: * </code></pre>
31: *
32: * @version CVS $Id: SetAttributeJXPathBindingBuilder.java 433543 2006-08-22 06:22:54Z crossley $
33: */
34: public class SetAttributeJXPathBindingBuilder extends
35: JXPathBindingBuilderBase {
36:
37: /**
38: * Creates an instance of {@link SetAttributeJXPathBinding} according to
39: * the attributes of the provided bindingElm.
40: */
41: public JXPathBindingBase buildBinding(Element bindingElm,
42: JXPathBindingManager.Assistant assistant)
43: throws BindingException {
44:
45: try {
46: CommonAttributes commonAtts = JXPathBindingBuilderBase
47: .getCommonAttributes(bindingElm);
48:
49: String attName = DomHelper.getAttribute(bindingElm, "name");
50: String attValue = DomHelper.getAttribute(bindingElm,
51: "value");
52:
53: SetAttributeJXPathBinding attBinding = new SetAttributeJXPathBinding(
54: commonAtts, attName, attValue);
55: return attBinding;
56: } catch (BindingException e) {
57: throw e;
58: } catch (Exception e) {
59: throw new BindingException(
60: "Error building set-attribute binding defined at "
61: + DomHelper.getLocation(bindingElm), e);
62: }
63: }
64: }
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