spring-batch ExceptionElementParser 源码
spring-batch ExceptionElementParser 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/configuration/xml/ExceptionElementParser.java
/*
* Copyright 2013-2014 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.batch.core.configuration.xml;
import java.util.List;
import org.springframework.batch.core.step.item.ForceRollbackForWriteSkipException;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Element;
public class ExceptionElementParser {
public ManagedMap<TypedStringValue, Boolean> parse(Element element, ParserContext parserContext,
String exceptionListName) {
List<Element> children = DomUtils.getChildElementsByTagName(element, exceptionListName);
if (children.size() == 1) {
ManagedMap<TypedStringValue, Boolean> map = new ManagedMap<>();
Element exceptionClassesElement = children.get(0);
addExceptionClasses("include", true, exceptionClassesElement, map, parserContext);
addExceptionClasses("exclude", false, exceptionClassesElement, map, parserContext);
map.put(new TypedStringValue(ForceRollbackForWriteSkipException.class.getName(), Class.class), true);
return map;
}
else if (children.size() > 1) {
parserContext.getReaderContext().error("The <" + exceptionListName
+ "/> element may not appear more than once in a single <" + element.getNodeName() + "/>.",
element);
}
return null;
}
private void addExceptionClasses(String elementName, boolean include, Element exceptionClassesElement,
ManagedMap<TypedStringValue, Boolean> map, ParserContext parserContext) {
for (Element child : DomUtils.getChildElementsByTagName(exceptionClassesElement, elementName)) {
String className = child.getAttribute("class");
map.put(new TypedStringValue(className, Class.class), include);
}
}
}
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