01 /*
02 * ResourceBeanDefinitionParser.java
03 *
04 * Copyright (c) 1995-2010, The University of Sheffield. See the file
05 * COPYRIGHT.txt in the software or at http://gate.ac.uk/gate/COPYRIGHT.txt
06 *
07 * This file is part of GATE (see http://gate.ac.uk/), and is free
08 * software, licenced under the GNU Library General Public License,
09 * Version 2, June 1991 (in the distribution as file licence.html,
10 * and also available at http://gate.ac.uk/gate/licence.html).
11 *
12 * Ian Roberts, 22/Jan/2008
13 *
14 * $Id: ResourceBeanDefinitionParser.java 12006 2009-12-01 17:24:28Z thomas_heitz $
15 */
16
17 package gate.util.spring.xml;
18
19 import gate.util.spring.GateResourceFactoryBean;
20
21 import org.springframework.beans.factory.config.BeanDefinition;
22 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
23 import org.springframework.beans.factory.xml.ParserContext;
24 import org.springframework.util.xml.DomUtils;
25 import org.w3c.dom.Element;
26
27 /**
28 * BeanDefinitionParser for <code><gate:resource></code>,
29 * producing a definition for a {@link GateResourceFactoryBean}.
30 */
31 public class ResourceBeanDefinitionParser
32 extends
33 CustomisableBeanDefinitionParser {
34 private FeatureMapBeanDefinitionParser fmParser = new FeatureMapBeanDefinitionParser();
35
36 @Override
37 protected void doParse(Element element, ParserContext parserContext,
38 BeanDefinitionBuilder builder) {
39
40 if(element.hasAttribute("scope")) {
41 builder.setScope(element.getAttribute("scope"));
42 }
43
44 // this can't be null - use="required" in schema
45 String resourceClass = element.getAttribute("resource-class");
46 builder.addPropertyValue("resourceClass", resourceClass);
47
48 BeanDefinition paramsDefinition = null;
49 Element parametersElement = DomUtils.getChildElementByTagName(element,
50 "parameters");
51 if(parametersElement != null) {
52 paramsDefinition = fmParser.parse(parametersElement, nestedContext(
53 parserContext, builder));
54 builder.addPropertyValue("parameters", paramsDefinition);
55 }
56
57 BeanDefinition featuresDefinition = null;
58 Element featuresElement = DomUtils.getChildElementByTagName(element,
59 "features");
60 if(featuresElement != null) {
61 featuresDefinition = fmParser.parse(featuresElement, nestedContext(
62 parserContext, builder));
63 builder.addPropertyValue("features", featuresDefinition);
64 }
65
66 if(element.hasAttribute("resource-name")) {
67 builder.addPropertyValue("resourceName", element
68 .getAttribute("resource-name"));
69 }
70
71 extractCustomisers(element, parserContext, builder);
72 }
73
74 private ParserContext nestedContext(ParserContext parserContext,
75 BeanDefinitionBuilder builder) {
76 return new ParserContext(parserContext.getReaderContext(), parserContext
77 .getDelegate(), builder.getRawBeanDefinition());
78 }
79
80 @Override
81 protected Class getBeanClass(Element element) {
82 return GateResourceFactoryBean.class;
83 }
84
85 }
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