org.springframework.transaction.config.TxAdviceBeanDefinitionParser Maven / Gradle / Ivy
/*
* 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.springframework.transaction.config;
import java.util.LinkedList;
import java.util.List;
import org.w3c.dom.Element;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.transaction.interceptor.NameMatchTransactionAttributeSource;
import org.springframework.transaction.interceptor.NoRollbackRuleAttribute;
import org.springframework.transaction.interceptor.RollbackRuleAttribute;
import org.springframework.transaction.interceptor.RuleBasedTransactionAttribute;
import org.springframework.transaction.interceptor.TransactionInterceptor;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
/**
* {@link org.springframework.beans.factory.xml.BeanDefinitionParser}
* for the <tx:advice> tag.
*
* @author Rob Harrop
* @author Juergen Hoeller
* @author Adrian Colyer
* @since 2.0
*/
class TxAdviceBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
private static final String ATTRIBUTES = "attributes";
private static final String TIMEOUT = "timeout";
private static final String READ_ONLY = "read-only";
private static final String NAME_MAP = "nameMap";
private static final String PROPAGATION = "propagation";
private static final String ISOLATION = "isolation";
private static final String ROLLBACK_FOR = "rollback-for";
private static final String NO_ROLLBACK_FOR = "no-rollback-for";
protected Class getBeanClass(Element element) {
return TransactionInterceptor.class;
}
protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
// Set the transaction manager property.
builder.addPropertyReference(TxNamespaceUtils.TRANSACTION_MANAGER_PROPERTY,
element.getAttribute(TxNamespaceUtils.TRANSACTION_MANAGER_ATTRIBUTE));
List txAttributes = DomUtils.getChildElementsByTagName(element, ATTRIBUTES);
if (txAttributes.size() > 1) {
parserContext.getReaderContext().error(
"Element is allowed at most once inside element ", element);
}
else if (txAttributes.size() == 1) {
// Using attributes source.
Element attributeSourceElement = (Element) txAttributes.get(0);
RootBeanDefinition attributeSourceDefinition = parseAttributeSource(attributeSourceElement, parserContext);
builder.addPropertyValue(TxNamespaceUtils.TRANSACTION_ATTRIBUTE_SOURCE, attributeSourceDefinition);
}
else {
// Assume annotations source.
Class sourceClass = TxNamespaceUtils.getAnnotationTransactionAttributeSourceClass();
builder.addPropertyValue(TxNamespaceUtils.TRANSACTION_ATTRIBUTE_SOURCE, new RootBeanDefinition(sourceClass));
}
}
private RootBeanDefinition parseAttributeSource(Element attrEle, ParserContext parserContext) {
List methods = DomUtils.getChildElementsByTagName(attrEle, "method");
ManagedMap transactionAttributeMap = new ManagedMap(methods.size());
transactionAttributeMap.setSource(parserContext.extractSource(attrEle));
for (int i = 0; i < methods.size(); i++) {
Element methodEle = (Element) methods.get(i);
String name = methodEle.getAttribute("name");
TypedStringValue nameHolder = new TypedStringValue(name);
nameHolder.setSource(parserContext.extractSource(methodEle));
RuleBasedTransactionAttribute attribute = new RuleBasedTransactionAttribute();
String propagation = methodEle.getAttribute(PROPAGATION);
String isolation = methodEle.getAttribute(ISOLATION);
String timeout = methodEle.getAttribute(TIMEOUT);
String readOnly = methodEle.getAttribute(READ_ONLY);
if (StringUtils.hasText(propagation)) {
attribute.setPropagationBehaviorName(RuleBasedTransactionAttribute.PREFIX_PROPAGATION + propagation);
}
if (StringUtils.hasText(isolation)) {
attribute.setIsolationLevelName(RuleBasedTransactionAttribute.PREFIX_ISOLATION + isolation);
}
if (StringUtils.hasText(timeout)) {
try {
attribute.setTimeout(Integer.parseInt(timeout));
}
catch (NumberFormatException ex) {
parserContext.getReaderContext().error("Timeout must be an integer value: [" + timeout + "]", methodEle);
}
}
if (StringUtils.hasText(readOnly)) {
attribute.setReadOnly(Boolean.valueOf(methodEle.getAttribute(READ_ONLY)).booleanValue());
}
List rollbackRules = new LinkedList();
if (methodEle.hasAttribute(ROLLBACK_FOR)) {
String rollbackForValue = methodEle.getAttribute(ROLLBACK_FOR);
addRollbackRuleAttributesTo(rollbackRules,rollbackForValue);
}
if (methodEle.hasAttribute(NO_ROLLBACK_FOR)) {
String noRollbackForValue = methodEle.getAttribute(NO_ROLLBACK_FOR);
addNoRollbackRuleAttributesTo(rollbackRules,noRollbackForValue);
}
attribute.setRollbackRules(rollbackRules);
transactionAttributeMap.put(nameHolder, attribute);
}
RootBeanDefinition attributeSourceDefinition = new RootBeanDefinition(NameMatchTransactionAttributeSource.class);
attributeSourceDefinition.setSource(parserContext.extractSource(attrEle));
attributeSourceDefinition.getPropertyValues().addPropertyValue(NAME_MAP, transactionAttributeMap);
return attributeSourceDefinition;
}
private void addRollbackRuleAttributesTo(List rollbackRules, String rollbackForValue) {
String[] exceptionTypeNames = StringUtils.commaDelimitedListToStringArray(rollbackForValue);
for (int i = 0; i < exceptionTypeNames.length; i++) {
rollbackRules.add(new RollbackRuleAttribute(StringUtils.trimWhitespace(exceptionTypeNames[i])));
}
}
private void addNoRollbackRuleAttributesTo(List rollbackRules, String noRollbackForValue) {
String[] exceptionTypeNames = StringUtils.commaDelimitedListToStringArray(noRollbackForValue);
for (int i = 0; i < exceptionTypeNames.length; i++) {
rollbackRules.add(new NoRollbackRuleAttribute(StringUtils.trimWhitespace(exceptionTypeNames[i])));
}
}
}