spring FreeMarkerConfigurerBeanDefinitionParser 源码
spring FreeMarkerConfigurerBeanDefinitionParser 代码
文件路径：/spring-webmvc/src/main/java/org/springframework/web/servlet/config/FreeMarkerConfigurerBeanDefinitionParser.java
/*
* Copyright 2002-2021 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
*
* https://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.springframework.web.servlet.config;
import java.util.ArrayList;
import java.util.List;
import org.w3c.dom.Element;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
/**
* Parse the <code><mvc:freemarker-configurer></code> MVC namespace element and
* register {@code FreeMarkerConfigurer} bean.
*
* @author Rossen Stoyanchev
* @since 4.1
*/
public class FreeMarkerConfigurerBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
/**
* The bean name used for the {@code FreeMarkerConfigurer}.
*/
public static final String BEAN_NAME = "mvcFreeMarkerConfigurer";
@Override
protected String getBeanClassName(Element element) {
return "org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer";
}
@Override
protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) {
return BEAN_NAME;
}
@Override
protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
List<Element> childElements = DomUtils.getChildElementsByTagName(element, "template-loader-path");
if (!childElements.isEmpty()) {
List<String> locations = new ArrayList<>(childElements.size());
for (Element childElement : childElements) {
locations.add(childElement.getAttribute("location"));
}
builder.addPropertyValue("templateLoaderPaths", StringUtils.toStringArray(locations));
}
}
}
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