KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > outerj > daisy > frontend > editor > XmlBeansConvertorBuilder


1 /*
2  * Copyright 2004 Outerthought bvba and Schaubroeck nv
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.outerj.daisy.frontend.editor;
17
18 import org.apache.cocoon.forms.datatype.convertor.ConvertorBuilder;
19 import org.apache.cocoon.forms.datatype.convertor.Convertor;
20 import org.apache.cocoon.forms.util.DomHelper;
21 import org.apache.xmlbeans.XmlOptions;
22 import org.w3c.dom.Element JavaDoc;
23 import org.outerj.daisy.frontend.editor.XmlBeansConvertor;
24
25 import java.lang.reflect.Method JavaDoc;
26 import java.io.Reader JavaDoc;
27
28 public class XmlBeansConvertorBuilder implements ConvertorBuilder {
29     public Convertor build(Element JavaDoc element) throws Exception JavaDoc {
30         String JavaDoc xmlbeansClassName = DomHelper.getAttribute(element, "class");
31         Class JavaDoc xmlbeansClass = this.getClass().getClassLoader().loadClass(xmlbeansClassName);
32         Class JavaDoc[] factoryClasses = xmlbeansClass.getDeclaredClasses();
33         Class JavaDoc factoryClass = null;
34         for (int i = 0; i < factoryClasses.length; i++) {
35             if (factoryClasses[i].getName().endsWith("$Factory")) {
36                 factoryClass = factoryClasses[i];
37                 break;
38             }
39         }
40         if (factoryClass == null) {
41             throw new Exception JavaDoc("Could not find Factory inner class in XmlBeans class " + xmlbeansClassName);
42         }
43
44         Method JavaDoc parseMethod = factoryClass.getMethod("parse", new Class JavaDoc[] {Reader JavaDoc.class, XmlOptions.class});
45         return new XmlBeansConvertor(parseMethod);
46     }
47 }
48
Popular Tags