spring-jdbc xsd initial commit; includes embedded-database tag
This commit is contained in:
Keith Donald
parent
3e9b9a8a2a
commit
6cec37ac7f
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package org.springframework.jdbc.config;
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import java.util.List;
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import org.springframework.beans.factory.config.BeanDefinition;
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import org.springframework.beans.factory.support.AbstractBeanDefinition;
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import org.springframework.beans.factory.support.BeanDefinitionBuilder;
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import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
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import org.springframework.beans.factory.xml.ParserContext;
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import org.springframework.core.io.Resource;
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import org.springframework.jdbc.datasource.embedded.DatabasePopulator;
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import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseFactoryBean;
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import org.springframework.jdbc.datasource.embedded.ResourceDatabasePopulator;
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import org.springframework.util.StringUtils;
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import org.springframework.util.xml.DomUtils;
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import org.w3c.dom.Element;
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/**
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* {@link org.springframework.beans.factory.xml.BeanDefinitionParser} that parses {@code embedded-database} element and
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* creates a {@link BeanDefinition} for {@link EmbeddedDatabaseFactoryBean}. Picks up nested {@code script} elements and
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* configures a {@link ResourceDatabasePopulator} for them.
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*
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* @author Oliver Gierke
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*/
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public class EmbeddedDatabaseBeanDefinitionParser extends AbstractBeanDefinitionParser {
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@Override
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protected AbstractBeanDefinition parseInternal(Element element, ParserContext context) {
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BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(EmbeddedDatabaseFactoryBean.class);
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setDatabaseType(element, builder);
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setDatabasePopulator(element, context, builder);
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return getSourcedBeanDefinition(builder, element, context);
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}
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private void setDatabaseType(Element element, BeanDefinitionBuilder builder) {
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String type = element.getAttribute("type");
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if (StringUtils.hasText(type)) {
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builder.addPropertyValue("databaseType", type);
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}
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}
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private void setDatabasePopulator(Element element, ParserContext context, BeanDefinitionBuilder builder) {
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List<Element> scripts = DomUtils.getChildElementsByTagName(element, "script");
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if (scripts.size() > 0) {
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builder.addPropertyValue("databasePopulator", createDatabasePopulator(scripts, context));
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}
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}
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private DatabasePopulator createDatabasePopulator(List<Element> scripts, ParserContext context) {
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ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
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for (Element scriptElement : scripts) {
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Resource script = context.getReaderContext().getResourceLoader().getResource(scriptElement.getAttribute("location"));
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populator.addScript(script);
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}
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return populator;
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}
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private AbstractBeanDefinition getSourcedBeanDefinition(BeanDefinitionBuilder builder, Element source,
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ParserContext context) {
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AbstractBeanDefinition definition = builder.getBeanDefinition();
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definition.setSource(context.extractSource(source));
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return definition;
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}
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}
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package org.springframework.jdbc.config;
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import org.springframework.beans.factory.xml.NamespaceHandler;
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import org.springframework.beans.factory.xml.NamespaceHandlerSupport;
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/**
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* {@link NamespaceHandler} for JDBC configuration namespace.
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* @author Oliver Gierke
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*/
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public class JdbcNamespaceHandler extends NamespaceHandlerSupport {
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public void init() {
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registerBeanDefinitionParser("embedded-database", new EmbeddedDatabaseBeanDefinitionParser());
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}
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}
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http\://www.springframework.org/schema/jdbc=org.springframework.jdbc.config.JdbcNamespaceHandler
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http\://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd=org/springframework/jdbc/config/spring-jdbc-3.0.xsd
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<?xml version="1.0" encoding="UTF-8" ?>
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<xsd:schema xmlns="http://www.springframework.org/schema/jdbc"
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xmlns:xsd="http://www.w3.org/2001/XMLSchema"
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xmlns:beans="http://www.springframework.org/schema/beans"
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xmlns:tool="http://www.springframework.org/schema/tool"
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targetNamespace="http://www.springframework.org/schema/jdbc"
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elementFormDefault="qualified"
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attributeFormDefault="unqualified">
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<xsd:import namespace="http://www.springframework.org/schema/beans" />
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<xsd:import namespace="http://www.springframework.org/schema/tool" />
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<xsd:element name="embedded-database">
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<xsd:annotation>
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<xsd:documentation source="java:org.springframework.jdbc.embedded.EmbeddedDataSourceFactoryBean"><![CDATA[
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Creates an embedded database instance and makes it available to other beans as a javax.sql.DataSource.
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]]></xsd:documentation>
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<xsd:appinfo>
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<tool:annotation>
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<tool:exports type="javax.sql.DataSource" />
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</tool:annotation>
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</xsd:appinfo>
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</xsd:annotation>
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<xsd:complexType>
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<xsd:complexContent>
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<xsd:extension base="beans:identifiedType">
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<xsd:sequence>
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<xsd:element name="script" type="scriptType" minOccurs="0" maxOccurs="unbounded">
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<xsd:annotation>
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<xsd:documentation><![CDATA[
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A SQL script to execute during embedded database initialization.
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]]></xsd:documentation>
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</xsd:annotation>
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</xsd:element>
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</xsd:sequence>
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<xsd:attribute name="type" type="databaseType">
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<xsd:annotation>
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<xsd:documentation><![CDATA[
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The type of embedded database to create, such as HSQL or H2.
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]]></xsd:documentation>
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</xsd:annotation>
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</xsd:attribute>
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</xsd:extension>
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</xsd:complexContent>
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</xsd:complexType>
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</xsd:element>
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<xsd:complexType name="scriptType">
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<xsd:attribute name="location" type="xsd:string">
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<xsd:annotation>
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<xsd:documentation source="java:org.springframework.core.io.Resource"><![CDATA[
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The resource location of the SQL script to execute.
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]]></xsd:documentation>
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</xsd:annotation>
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</xsd:attribute>
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</xsd:complexType>
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<xsd:simpleType name="databaseType">
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<xsd:restriction base="xsd:string">
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<xsd:enumeration value="HSQL" />
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</xsd:restriction>
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</xsd:simpleType>
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</xsd:schema>
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@ -0,0 +1,20 @@
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package org.springframework.jdbc.config;
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import static org.junit.Assert.assertEquals;
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import javax.sql.DataSource;
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import org.junit.Test;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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import org.springframework.jdbc.core.JdbcTemplate;
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public class JdbcNamespaceIntegrationTest {
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@Test
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public void testCreateEmbeddedDatabase() throws Exception {
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ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("org/springframework/jdbc/config/jdbc-config.xml");
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DataSource ds = context.getBean("dataSource", DataSource.class);
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JdbcTemplate t = new JdbcTemplate(ds);
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assertEquals(1, t.queryForInt("select count(*) from T_TEST"));
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}
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}
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@ -0,0 +1,13 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:jdbc="http://www.springframework.org/schema/jdbc"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd">
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<jdbc:embedded-database id="dataSource" type="HSQL">
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<jdbc:script location="classpath:org/springframework/jdbc/datasource/embedded/db-schema.sql"/>
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<jdbc:script location="classpath:org/springframework/jdbc/datasource/embedded/db-test-data.sql"/>
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</jdbc:embedded-database>
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</beans>
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