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/*
* Copyright 2002-2019 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.integration.jdbc.config;
import java.sql.Types;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Element;
import org.springframework.beans.BeanMetadataElement;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.support.ManagedMap;
import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.expression.common.LiteralExpression;
import org.springframework.integration.config.ExpressionFactoryBean;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.integration.jdbc.StoredProcExecutor;
import org.springframework.integration.jdbc.storedproc.ProcedureParameter;
import org.springframework.jdbc.core.SqlInOutParameter;
import org.springframework.jdbc.core.SqlOutParameter;
import org.springframework.jdbc.core.SqlParameter;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.StringUtils;
import org.springframework.util.xml.DomUtils;
/**
* @author Gunnar Hillert
* @author Artem Bilan
* @since 2.1
*/
public final class StoredProcParserUtils {
private static final Log LOGGER = LogFactory.getLog(StoredProcParserUtils.class);
/** Prevent instantiation. */
private StoredProcParserUtils() {
throw new AssertionError();
}
/**
* @param storedProcComponent The element.
* @param parserContext The parser context.
* @return The list of bean definitions.
*/
public static ManagedList getSqlParameterDefinitionBeanDefinitions(
Element storedProcComponent, ParserContext parserContext) {
List sqlParameterDefinitionChildElements =
DomUtils.getChildElementsByTagName(storedProcComponent, "sql-parameter-definition");
ManagedList sqlParameterList = new ManagedList();
for (Element childElement : sqlParameterDefinitionChildElements) {
String name = childElement.getAttribute(AbstractBeanDefinitionParser.NAME_ATTRIBUTE);
String sqlType = childElement.getAttribute("type");
String direction = childElement.getAttribute("direction");
String scale = childElement.getAttribute("scale");
String typeName = childElement.getAttribute("type-name");
String returnType = childElement.getAttribute("return-type");
if (StringUtils.hasText(typeName) && StringUtils.hasText(scale)) {
parserContext.getReaderContext().error("'type-name' and 'scale' attributes are mutually exclusive " +
"for 'sql-parameter-definition' element.", storedProcComponent);
}
if (StringUtils.hasText(returnType) && StringUtils.hasText(scale)) {
parserContext.getReaderContext().error("'returnType' and 'scale' attributes are mutually exclusive " +
"for 'sql-parameter-definition' element.", storedProcComponent);
}
final BeanDefinitionBuilder parameterBuilder;
if ("OUT".equalsIgnoreCase(direction)) {
parameterBuilder = BeanDefinitionBuilder.genericBeanDefinition(SqlOutParameter.class);
}
else if ("INOUT".equalsIgnoreCase(direction)) {
parameterBuilder = BeanDefinitionBuilder.genericBeanDefinition(SqlInOutParameter.class);
}
else {
parameterBuilder = BeanDefinitionBuilder.genericBeanDefinition(SqlParameter.class);
if (StringUtils.hasText(returnType)) {
parserContext.getReaderContext().error("'return-type' attribute can't be provided " +
"for IN 'sql-parameter-definition' element.", storedProcComponent);
}
}
if (StringUtils.hasText(name)) {
parameterBuilder.addConstructorArgValue(name);
}
else {
parserContext.getReaderContext().error(
"The 'name' attribute must be set for the Sql parameter element.", storedProcComponent);
}
if (StringUtils.hasText(sqlType)) {
JdbcTypesEnum jdbcTypeEnum = JdbcTypesEnum.convertToJdbcTypesEnum(sqlType);
if (jdbcTypeEnum != null) {
parameterBuilder.addConstructorArgValue(jdbcTypeEnum.getCode());
}
else {
parameterBuilder.addConstructorArgValue(sqlType);
}
}
else {
parameterBuilder.addConstructorArgValue(Types.VARCHAR);
}
if (StringUtils.hasText(typeName)) {
parameterBuilder.addConstructorArgValue(typeName);
}
else if (StringUtils.hasText(scale)) {
parameterBuilder.addConstructorArgValue(new TypedStringValue(scale, Integer.class));
}
else {
parameterBuilder.addConstructorArgValue(null);
}
if (StringUtils.hasText(returnType)) {
parameterBuilder.addConstructorArgReference(returnType);
}
sqlParameterList.add(parameterBuilder.getBeanDefinition());
}
return sqlParameterList;
}
/**
* @param storedProcComponent The element.
* @param parserContext The parser context.
* @return The list of bean definitions.
*/
public static ManagedList getProcedureParameterBeanDefinitions(
Element storedProcComponent, ParserContext parserContext) {
ManagedList procedureParameterList = new ManagedList();
List parameterChildElements = DomUtils
.getChildElementsByTagName(storedProcComponent, "parameter");
for (Element childElement : parameterChildElements) {
BeanDefinitionBuilder parameterBuilder = BeanDefinitionBuilder.genericBeanDefinition(ProcedureParameter.class);
String name = childElement.getAttribute(AbstractBeanDefinitionParser.NAME_ATTRIBUTE);
String expression = childElement.getAttribute("expression");
String value = childElement.getAttribute("value");
String type = childElement.getAttribute("type");
if (StringUtils.hasText(name)) {
parameterBuilder.addPropertyValue(AbstractBeanDefinitionParser.NAME_ATTRIBUTE, name);
}
if (StringUtils.hasText(expression)) {
parameterBuilder.addPropertyValue("expression", expression);
}
if (StringUtils.hasText(value)) {
if (!StringUtils.hasText(type)) {
if (LOGGER.isInfoEnabled()) {
LOGGER.info(String
.format("Type attribute not set for Store "
+ "Procedure parameter '%s'. Defaulting to "
+ "'java.lang.String'.", value));
}
parameterBuilder.addPropertyValue("value",
new TypedStringValue(value, String.class));
}
else {
parameterBuilder.addPropertyValue("value",
new TypedStringValue(value, type));
}
}
procedureParameterList.add(parameterBuilder.getBeanDefinition());
}
return procedureParameterList;
}
/**
* @param storedProcComponent The element.
* @param parserContext The parser context.
* @return The list of bean metadata objects.
*/
public static ManagedMap getReturningResultsetBeanDefinitions(
Element storedProcComponent, ParserContext parserContext) {
List returningResultsetChildElements = DomUtils.getChildElementsByTagName(storedProcComponent, "returning-resultset");
ManagedMap returningResultsetMap = new ManagedMap();
for (Element childElement : returningResultsetChildElements) {
String name = childElement.getAttribute(AbstractBeanDefinitionParser.NAME_ATTRIBUTE);
String rowMapperAsString = childElement.getAttribute("row-mapper");
BeanMetadataElement rowMapperBeanDefinition = null;
try {
// Backward compatibility
ClassUtils.forName(rowMapperAsString, parserContext.getReaderContext().getBeanClassLoader());
rowMapperBeanDefinition = BeanDefinitionBuilder.genericBeanDefinition(rowMapperAsString).getBeanDefinition();
}
catch (@SuppressWarnings("unused") ClassNotFoundException e) {
//Ignore it and fallback to bean reference
rowMapperBeanDefinition = new RuntimeBeanReference(rowMapperAsString);
}
returningResultsetMap.put(name, rowMapperBeanDefinition);
}
return returningResultsetMap;
}
/**
* Create a new {@link BeanDefinitionBuilder} for the class {@link StoredProcExecutor}.
* Initialize the wrapped {@link StoredProcExecutor} with common properties.
*
* @param element Must not be Null
* @param parserContext Must not be Null
* @return The {@link BeanDefinitionBuilder} for the {@link StoredProcExecutor}
*/
public static BeanDefinitionBuilder getStoredProcExecutorBuilder(final Element element,
final ParserContext parserContext) {
Assert.notNull(element, "The provided element must not be Null.");
Assert.notNull(parserContext, "The provided parserContext must not be Null.");
final String dataSourceRef = element.getAttribute("data-source");
final BeanDefinitionBuilder storedProcExecutorBuilder = BeanDefinitionBuilder.genericBeanDefinition(StoredProcExecutor.class);
storedProcExecutorBuilder.addConstructorArgReference(dataSourceRef);
final String storedProcedureName = element.getAttribute("stored-procedure-name");
final String storedProcedureNameExpression = element.getAttribute("stored-procedure-name-expression");
boolean hasStoredProcedureName = StringUtils.hasText(storedProcedureName);
boolean hasStoredProcedureNameExpression = StringUtils.hasText(storedProcedureNameExpression);
if (!(hasStoredProcedureName ^ hasStoredProcedureNameExpression)) {
parserContext.getReaderContext()
.error("Exactly one of 'stored-procedure-name' or 'stored-procedure-name-expression' is required",
element);
}
BeanDefinitionBuilder expressionBuilder;
if (hasStoredProcedureNameExpression) {
expressionBuilder = BeanDefinitionBuilder.genericBeanDefinition(ExpressionFactoryBean.class);
expressionBuilder.addConstructorArgValue(storedProcedureNameExpression);
}
else {
expressionBuilder = BeanDefinitionBuilder.genericBeanDefinition(LiteralExpression.class);
expressionBuilder.addConstructorArgValue(storedProcedureName);
}
storedProcExecutorBuilder.addPropertyValue("storedProcedureNameExpression", expressionBuilder.getBeanDefinition());
IntegrationNamespaceUtils.setValueIfAttributeDefined(storedProcExecutorBuilder, element, "ignore-column-meta-data");
IntegrationNamespaceUtils.setValueIfAttributeDefined(storedProcExecutorBuilder, element, "jdbc-call-operations-cache-size");
final ManagedList procedureParameterList = StoredProcParserUtils.getProcedureParameterBeanDefinitions(element, parserContext);
final ManagedList sqlParameterDefinitionList = StoredProcParserUtils.getSqlParameterDefinitionBeanDefinitions(element, parserContext);
if (!procedureParameterList.isEmpty()) {
storedProcExecutorBuilder.addPropertyValue("procedureParameters", procedureParameterList);
}
if (!sqlParameterDefinitionList.isEmpty()) {
storedProcExecutorBuilder.addPropertyValue("sqlParameters", sqlParameterDefinitionList);
}
return storedProcExecutorBuilder;
}
}
