/*
* Copyright 2002-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springmodules.lucene.index.config;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springmodules.lucene.index.document.handler.DocumentHandlerManagerFactoryBean;
import org.springmodules.lucene.index.document.handler.file.ExtensionDocumentHandlerManager;
import org.springmodules.lucene.index.document.handler.file.ExtensionDocumentMatching;
import org.w3c.dom.Element;
/**
* {@link org.springframework.beans.factory.xml.BeanDefinitionParser}
* for the <code><lucene:document-handler></code> tag.
*
* @author Thierry Templier
*/
public class DocumentHanderBeanDefinitionParser
extends AbstractLuceneBeanDefinitionParser implements BeanDefinitionParser {
private static final String IDENTITY_TYPE = "identity";
private static final String EXTENSION_TYPE = "extension";
public static final String TYPE_ATTRIBUTE = "type";
public static final String ID_ATTRIBUTE = "id";
public BeanDefinition parse(Element element, ParserContext parserContext) {
String type = element.getAttribute(TYPE_ATTRIBUTE);
if( type==null || "".equals(type) ) {
type = EXTENSION_TYPE;
}
if( EXTENSION_TYPE.equals(type) ) {
createFileExtensionDocumentHandlerManager(element, parserContext);
} else if( IDENTITY_TYPE.equals(type) ) {
createIdentityDocumentHandlerManager(element, parserContext);
}
return null;
}
private void createIdentityDocumentHandlerManager(Element element, ParserContext parserContext) {
String id = element.getAttribute(ID_ATTRIBUTE);
BeanDefinitionRegistry registry = parserContext.getRegistry();
RootBeanDefinition documentHandlerFactoryBeanDefinition = new RootBeanDefinition(
DocumentHandlerManagerFactoryBean.class);
registry.registerBeanDefinition(id, documentHandlerFactoryBeanDefinition);
}
private void createFileExtensionDocumentHandlerManager(Element element, ParserContext parserContext) {
String id = element.getAttribute(ID_ATTRIBUTE);
BeanDefinitionRegistry registry = parserContext.getRegistry();
RootBeanDefinition documentHandlerFactoryBeanDefinition = new RootBeanDefinition(
DocumentHandlerManagerFactoryBean.class);
documentHandlerFactoryBeanDefinition.setPropertyValues(new MutablePropertyValues());
documentHandlerFactoryBeanDefinition.getPropertyValues().addPropertyValue(
"documentHandlerManagerClass", ExtensionDocumentHandlerManager.class);
documentHandlerFactoryBeanDefinition.getPropertyValues().addPropertyValue(
"documentMatchingClass", ExtensionDocumentMatching.class);
registry.registerBeanDefinition(id, documentHandlerFactoryBeanDefinition);
}
}