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Consistent Environment access in XML bean definition parsing code 

Issue: SPR-12248
This commit is contained in:
Juergen Hoeller 2014-09-25 01:02:40 +02:00
parent b0e6091cad
commit 5ecdd8ca31
8 changed files with 53 additions and 62 deletions
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2
spring-beans-groovy/src/main/java/org/springframework/beans/factory/groovy/GroovyBeanDefinitionReader.java
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@ -671,7 +671,7 @@ public class GroovyBeanDefinitionReader extends AbstractBeanDefinitionReader imp
private GroovyDynamicElementReader createDynamicElementReader(String namespace) {
XmlReaderContext readerContext = this.xmlBeanDefinitionReader.createReaderContext(new DescriptiveResource("Groovy"));
BeanDefinitionParserDelegate delegate = new BeanDefinitionParserDelegate(readerContext, getEnvironment());
BeanDefinitionParserDelegate delegate = new BeanDefinitionParserDelegate(readerContext);
boolean decorating = (this.currentBeanDefinition != null);
if (!decorating) {
this.currentBeanDefinition = new GroovyBeanDefinitionWrapper(namespace);

4
spring-beans/src/main/java/org/springframework/beans/factory/xml/BeanDefinitionDocumentReader.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 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.
@ -41,7 +41,9 @@ public interface BeanDefinitionDocumentReader {
* Set the Environment to use when reading bean definitions.
* <p>Used for evaluating profile information to determine whether a
* {@code <beans/>} document/element should be included or ignored.
* @deprecated in favor of {@link XmlReaderContext#getEnvironment()}
*/
@Deprecated
void setEnvironment(Environment environment);
/**

27
spring-beans/src/main/java/org/springframework/beans/factory/xml/BeanDefinitionParserDelegate.java
View File

@ -59,7 +59,6 @@ import org.springframework.beans.factory.support.ManagedSet;
import org.springframework.beans.factory.support.MethodOverrides;
import org.springframework.beans.factory.support.ReplaceOverride;
import org.springframework.core.env.Environment;
import org.springframework.core.env.StandardEnvironment;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.CollectionUtils;
@ -246,8 +245,6 @@ public class BeanDefinitionParserDelegate {
private final XmlReaderContext readerContext;
private final Environment environment;
private final DocumentDefaultsDefinition defaults = new DocumentDefaultsDefinition();
private final ParseState parseState = new ParseState();
@ -261,25 +258,23 @@ public class BeanDefinitionParserDelegate {
/**
* Create a new BeanDefinitionParserDelegate associated with the
* supplied {@link XmlReaderContext} and {@link Environment}.
* Create a new BeanDefinitionParserDelegate associated with the supplied
* {@link XmlReaderContext}.
*/
public BeanDefinitionParserDelegate(XmlReaderContext readerContext, Environment environment) {
public BeanDefinitionParserDelegate(XmlReaderContext readerContext) {
Assert.notNull(readerContext, "XmlReaderContext must not be null");
Assert.notNull(environment, "Environment must not be null");
this.readerContext = readerContext;
this.environment = environment;
}
/**
* Create a new BeanDefinitionParserDelegate associated with the
* supplied {@link XmlReaderContext} and a new {@link StandardEnvironment}.
* @deprecated since Spring 3.1 in favor of
* {@link #BeanDefinitionParserDelegate(XmlReaderContext, Environment)}
* Create a new BeanDefinitionParserDelegate associated with the supplied
* {@link XmlReaderContext}.
* @deprecated since the given {@link Environment} parameter is effectively
* ignored in favor of {@link XmlReaderContext#getEnvironment()}
*/
@Deprecated
public BeanDefinitionParserDelegate(XmlReaderContext readerContext) {
this(readerContext, new StandardEnvironment());
public BeanDefinitionParserDelegate(XmlReaderContext readerContext, Environment environment) {
this(readerContext);
}
@ -292,9 +287,11 @@ public class BeanDefinitionParserDelegate {
/**
* Get the {@link Environment} associated with this helper instance.
* @deprecated in favor of {@link XmlReaderContext#getEnvironment()}
*/
@Deprecated
public final Environment getEnvironment() {
return this.environment;
return this.readerContext.getEnvironment();
}
/**

57
spring-beans/src/main/java/org/springframework/beans/factory/xml/DefaultBeanDefinitionDocumentReader.java
View File

@ -35,7 +35,6 @@ import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
import org.springframework.core.env.Environment;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.ResourcePatternUtils;
import org.springframework.util.Assert;
import org.springframework.util.ResourceUtils;
import org.springframework.util.StringUtils;
@ -77,27 +76,18 @@ public class DefaultBeanDefinitionDocumentReader implements BeanDefinitionDocume
protected final Log logger = LogFactory.getLog(getClass());
private Environment environment;
private XmlReaderContext readerContext;
private BeanDefinitionParserDelegate delegate;
/**
* {@inheritDoc}
* <p>Default value is {@code null}; property is required for parsing any
* {@code <beans/>} element with a {@code profile} attribute present.
* @see #doRegisterBeanDefinitions
*/
@Deprecated
@Override
public void setEnvironment(Environment environment) {
this.environment = environment;
}
/**
* {@inheritDoc}
* <p>This implementation parses bean definitions according to the "spring-beans" XSD
* This implementation parses bean definitions according to the "spring-beans" XSD
* (or DTD, historically).
* <p>Opens a DOM Document; then initializes the default settings
* specified at the {@code <beans/>} level; then parses the contained bean definitions.
@ -110,12 +100,24 @@ public class DefaultBeanDefinitionDocumentReader implements BeanDefinitionDocume
doRegisterBeanDefinitions(root);
}
/**
* Return the descriptor for the XML resource that this parser works on.
*/
protected final XmlReaderContext getReaderContext() {
return this.readerContext;
}
/**
* Invoke the {@link org.springframework.beans.factory.parsing.SourceExtractor} to pull the
* source metadata from the supplied {@link Element}.
*/
protected Object extractSource(Element ele) {
return getReaderContext().extractSource(ele);
}
/**
* Register each bean definition within the given root {@code <beans/>} element.
* @throws IllegalStateException if {@code <beans profile="..."} attribute is present
* and Environment property has not been set
* @see #setEnvironment
*/
protected void doRegisterBeanDefinitions(Element root) {
// Any nested <beans> elements will cause recursion in this method. In
@ -125,15 +127,14 @@ public class DefaultBeanDefinitionDocumentReader implements BeanDefinitionDocume
// then ultimately reset this.delegate back to its original (parent) reference.
// this behavior emulates a stack of delegates without actually necessitating one.
BeanDefinitionParserDelegate parent = this.delegate;
this.delegate = createDelegate(this.readerContext, root, parent);
this.delegate = createDelegate(getReaderContext(), root, parent);
if (this.delegate.isDefaultNamespace(root)) {
String profileSpec = root.getAttribute(PROFILE_ATTRIBUTE);
if (StringUtils.hasText(profileSpec)) {
Assert.state(this.environment != null, "Environment must be set for evaluating profiles");
String[] specifiedProfiles = StringUtils.tokenizeToStringArray(
profileSpec, BeanDefinitionParserDelegate.MULTI_VALUE_ATTRIBUTE_DELIMITERS);
if (!this.environment.acceptsProfiles(specifiedProfiles)) {
if (!getReaderContext().getEnvironment().acceptsProfiles(specifiedProfiles)) {
return;
}
}
@ -149,27 +150,11 @@ public class DefaultBeanDefinitionDocumentReader implements BeanDefinitionDocume
protected BeanDefinitionParserDelegate createDelegate(
XmlReaderContext readerContext, Element root, BeanDefinitionParserDelegate parentDelegate) {
BeanDefinitionParserDelegate delegate = new BeanDefinitionParserDelegate(readerContext, this.environment);
BeanDefinitionParserDelegate delegate = new BeanDefinitionParserDelegate(readerContext);
delegate.initDefaults(root, parentDelegate);
return delegate;
}
/**
* Return the descriptor for the XML resource that this parser works on.
*/
protected final XmlReaderContext getReaderContext() {
return this.readerContext;
}
/**
* Invoke the {@link org.springframework.beans.factory.parsing.SourceExtractor} to pull the
* source metadata from the supplied {@link Element}.
*/
protected Object extractSource(Element ele) {
return this.readerContext.extractSource(ele);
}
/**
* Parse the elements at the root level in the document:
* "import", "alias", "bean".
@ -224,7 +209,7 @@ public class DefaultBeanDefinitionDocumentReader implements BeanDefinitionDocume
}
// Resolve system properties: e.g. "${user.dir}"
location = environment.resolveRequiredPlaceholders(location);
location = getReaderContext().getEnvironment().resolveRequiredPlaceholders(location);
Set<Resource> actualResources = new LinkedHashSet<Resource>(4);

4
spring-beans/src/main/java/org/springframework/beans/factory/xml/XmlBeanDefinitionReader.java
View File

@ -135,6 +135,7 @@ public class XmlBeanDefinitionReader extends AbstractBeanDefinitionReader {
super(registry);
}
/**
* Set whether to use XML validation. Default is {@code true}.
* <p>This method switches namespace awareness on if validation is turned off,
@ -501,9 +502,10 @@ public class XmlBeanDefinitionReader extends AbstractBeanDefinitionReader {
* @see #setDocumentReaderClass
* @see BeanDefinitionDocumentReader#registerBeanDefinitions
*/
@SuppressWarnings("deprecation")
public int registerBeanDefinitions(Document doc, Resource resource) throws BeanDefinitionStoreException {
BeanDefinitionDocumentReader documentReader = createBeanDefinitionDocumentReader();
documentReader.setEnvironment(this.getEnvironment());
documentReader.setEnvironment(getEnvironment());
int countBefore = getRegistry().getBeanDefinitionCount();
documentReader.registerBeanDefinitions(doc, createReaderContext(resource));
return getRegistry().getBeanDefinitionCount() - countBefore;

7
spring-beans/src/main/java/org/springframework/beans/factory/xml/XmlReaderContext.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 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.
@ -28,6 +28,7 @@ import org.springframework.beans.factory.parsing.ReaderContext;
import org.springframework.beans.factory.parsing.ReaderEventListener;
import org.springframework.beans.factory.parsing.SourceExtractor;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.core.env.Environment;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;
@ -74,6 +75,10 @@ public class XmlReaderContext extends ReaderContext {
return this.reader.getBeanClassLoader();
}
public final Environment getEnvironment() {
return this.reader.getEnvironment();
}
public final NamespaceHandlerResolver getNamespaceHandlerResolver() {
return this.namespaceHandlerResolver;
}

10
spring-context/src/main/java/org/springframework/context/annotation/ClassPathBeanDefinitionScanner.java
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@ -103,8 +103,7 @@ public class ClassPathBeanDefinitionScanner extends ClassPathScanningCandidateCo
* {@link org.springframework.stereotype.Component @Component},
* {@link org.springframework.stereotype.Repository @Repository},
* {@link org.springframework.stereotype.Service @Service}, and
* {@link org.springframework.stereotype.Controller @Controller} stereotype
* annotations.
* {@link org.springframework.stereotype.Controller @Controller} stereotype annotations
* @see #setResourceLoader
* @see #setEnvironment
*/
@ -124,13 +123,12 @@ public class ClassPathBeanDefinitionScanner extends ClassPathScanningCandidateCo
* @param registry the {@code BeanFactory} to load bean definitions into, in the form
* of a {@code BeanDefinitionRegistry}
* @param useDefaultFilters whether to include the default filters for the
* @param environment the Spring {@link Environment} to use when evaluating bean
* definition profile metadata.
* {@link org.springframework.stereotype.Component @Component},
* {@link org.springframework.stereotype.Repository @Repository},
* {@link org.springframework.stereotype.Service @Service}, and
* {@link org.springframework.stereotype.Controller @Controller} stereotype
* annotations.
* {@link org.springframework.stereotype.Controller @Controller} stereotype annotations
* @param environment the Spring {@link Environment} to use when evaluating bean
* definition profile metadata
* @since 3.1
* @see #setResourceLoader
*/

4
spring-context/src/main/java/org/springframework/context/annotation/ClassPathScanningCandidateComponentProvider.java
View File

@ -115,6 +115,7 @@ public class ClassPathScanningCandidateComponentProvider implements EnvironmentC
if (useDefaultFilters) {
registerDefaultFilters();
}
Assert.notNull(environment, "Environment must not be null");
this.environment = environment;
}
@ -161,10 +162,11 @@ public class ClassPathScanningCandidateComponentProvider implements EnvironmentC
/**
* Set the Environment to use when resolving placeholders and evaluating
* {@link Conditional @Conditional}-annotated component classes.
* <p>The default is a {@link StandardEnvironment}
* <p>The default is a {@link StandardEnvironment}.
* @param environment the Environment to use
*/
public void setEnvironment(Environment environment) {
Assert.notNull(environment, "Environment must not be null");
this.environment = environment;
this.conditionEvaluator = null;
}