/* | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreements. See the NOTICE file distributed with | |
* this work for additional information regarding copyright ownership. | |
* The ASF licenses this file to You 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.apache.cocoon.core.container.spring.pipeline; | |
import java.util.ArrayList; | |
import java.util.Arrays; | |
import java.util.List; | |
import org.apache.cocoon.components.pipeline.impl.PipelineComponentInfo; | |
import org.springframework.beans.factory.config.BeanDefinitionHolder; | |
import org.springframework.beans.factory.support.AbstractBeanDefinition; | |
import org.springframework.beans.factory.support.BeanDefinitionBuilder; | |
import org.springframework.beans.factory.xml.BeanDefinitionDecorator; | |
import org.springframework.beans.factory.xml.ParserContext; | |
import org.w3c.dom.Element; | |
import org.w3c.dom.Node; | |
/** | |
* @version $Id$ | |
* @since 2.2 | |
*/ | |
public class PipelineComponentInfoInitializerDecorator implements | |
BeanDefinitionDecorator { | |
private static final String[] EMPTY_STRING_ARRAY = new String[0]; | |
/* (non-Javadoc) | |
* @see org.springframework.beans.factory.xml.BeanDefinitionDecorator#decorate(org.w3c.dom.Node, org.springframework.beans.factory.config.BeanDefinitionHolder, org.springframework.beans.factory.xml.ParserContext) | |
*/ | |
public BeanDefinitionHolder decorate(Node source, BeanDefinitionHolder holder, ParserContext ctx) { | |
registerPipelineComponentInfo(ctx); | |
String initializerBeanName = registerPipelineComponentInfoInitializer(source, holder, ctx); | |
createDependencyOnPipelineComponentInfoInitializer(holder, initializerBeanName); | |
return holder; | |
} | |
private void registerPipelineComponentInfo(ParserContext ctx) { | |
if (!ctx.getRegistry().containsBeanDefinition(PipelineComponentInfo.ROLE)) { | |
BeanDefinitionBuilder defBuilder = BeanDefinitionBuilder.rootBeanDefinition(PipelineComponentInfoFactoryBean.class); | |
defBuilder.setSingleton(true); | |
defBuilder.setLazyInit(false); | |
defBuilder.setInitMethodName("init"); | |
ctx.getRegistry().registerBeanDefinition(PipelineComponentInfo.ROLE, defBuilder.getBeanDefinition()); | |
} | |
} | |
private String registerPipelineComponentInfoInitializer(Node source, BeanDefinitionHolder holder, ParserContext ctx) { | |
String componentName = holder.getBeanName(); | |
String mimeType = ((Element)source).hasAttribute("mime-type") ? ((Element)source).getAttribute("mime-type") : null; | |
String label = ((Element)source).hasAttribute("label") ? ((Element)source).getAttribute("label") : null; | |
String hint = ((Element)source).hasAttribute("hint") ? ((Element)source).getAttribute("hint") : null; | |
BeanDefinitionBuilder initializer = BeanDefinitionBuilder.rootBeanDefinition(PipelineComponentInfoInitializer.class); | |
initializer.addPropertyReference("info", PipelineComponentInfo.ROLE); | |
initializer.addPropertyValue("componentName", componentName); | |
if (mimeType != null) | |
initializer.addPropertyValue("mimeType", mimeType); | |
if (label != null) | |
initializer.addPropertyValue("label", label); | |
if (hint != null) | |
initializer.addPropertyValue("hint", hint); | |
initializer.setInitMethodName("init"); | |
String beanName = componentName + "/info"; | |
ctx.getRegistry().registerBeanDefinition(beanName, initializer.getBeanDefinition()); | |
return beanName; | |
} | |
private void createDependencyOnPipelineComponentInfoInitializer(BeanDefinitionHolder holder, String initializerBeanName) { | |
AbstractBeanDefinition definition = ((AbstractBeanDefinition) holder.getBeanDefinition()); | |
String[] dependsOn = definition.getDependsOn(); | |
if (dependsOn == null) { | |
dependsOn = new String[]{initializerBeanName}; | |
} else { | |
List dependencies = new ArrayList(Arrays.asList(dependsOn)); | |
dependencies.add(initializerBeanName); | |
dependsOn = (String[]) dependencies.toArray(EMPTY_STRING_ARRAY); | |
} | |
definition.setDependsOn(dependsOn); | |
} | |
} |