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Fix STS compatibility issues; other improvements 

Revert changes to ParserContext, ReaderContext, and XmlReaderContext

    These changes cause cross-version incompatibilities at tooling time
    -- for instance, an STS version that ships with Spring 3.0.5
    classloads the ParserContext defined in that version, whereas it
    classloads NamespaceHandlers and BeanDefinitionParsers (by default)
    from the user application classpath, which may be building against
    3.1.0. If so, the changes introduced to these types in 3.1.0 are
    incompatible with expectations in the 3.0.5 world and cause all
    manner of problems.  In this case, it was NoSuchMethodError due to
    the newly-added XmlReaderContext.getProblemReporter() method; also
    IncompatibleClassChangeError due to the introduction of the
    ComponentRegistrar interface on ParserContext.

    Each of these problems have been mitigated, though the solutions
    are not ideal. The method mentioned has been removed, and instead
    the problemReporter field is now accessed reflectively.
    ParserContext now no longer implements ComponentRegistrar, and
    rather a ComponentRegistrarAdapter class has been introduced that
    passes method calls through to a ParserContext delegate.

Introduce AbstractSpecificationBeanDefinitionParser

    AbstractSpecificationBeanDefinitionParser has been introduced in
    order to improve the programming model for BeanDefinitionParsers
    that have been refactored to the new FeatureSpecification model.
    This new base class and it's template method implementation of
    parse/doParse ensure that common concerns like (1) adapting a
    ParserContext into a SpecificationContext, (2) setting source and
    source name on the specification, and (3) actually executing the
    specification are all managed by the base class.  The subclass
    implementation of doParse need only actually parse XML, populate
    and return the FeatureSpecification object.  This change removed
    the many duplicate 'createSpecificationContext' methods that had
    been lingering.

Minor improvement to BeanDefinitionReaderUtils API

    Introduced new BeanDefinitionReaderUtils#registerWithGeneratedName
    variant that accepts BeanDefinition as opposed to
    AbstractBeanDefinition, as BeanDefinition is all that is actually
    necessary to satisfy the needs of the method implementation. The
    latter variant accepting AbstractBeanDefinition has been deprecated
    but remains intact and delegates to the new variant in order to
    maintain binary compatibility.

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@3980 50f2f4bb-b051-0410-bef5-90022cba6387
This commit is contained in:
Chris Beams 2011-02-09 16:44:26 +00:00
parent 7b25351288
commit 3fbe9d5a55
20 changed files with 214 additions and 227 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
org.springframework.aop/src/main/java/org/springframework/aop/config/AopNamespaceUtils.java
View File

@ -19,6 +19,7 @@ package org.springframework.aop.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.parsing.ComponentRegistrar;
import org.springframework.beans.factory.parsing.ComponentRegistrarAdapter;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;
@ -63,7 +64,7 @@ public abstract class AopNamespaceUtils {
BeanDefinition beanDefinition = AopConfigUtils.registerAutoProxyCreatorIfNecessary(
parserContext.getRegistry(), parserContext.extractSource(sourceElement));
useClassProxyingIfNecessary(parserContext.getRegistry(), sourceElement);
registerComponentIfNecessary(beanDefinition, parserContext);
registerComponentIfNecessary(beanDefinition, new ComponentRegistrarAdapter(parserContext));
}
public static void registerAutoProxyCreatorIfNecessary(
@ -86,7 +87,7 @@ public abstract class AopNamespaceUtils {
BeanDefinition beanDefinition = AopConfigUtils.registerAspectJAutoProxyCreatorIfNecessary(
parserContext.getRegistry(), parserContext.extractSource(sourceElement));
useClassProxyingIfNecessary(parserContext.getRegistry(), sourceElement);
registerComponentIfNecessary(beanDefinition, parserContext);
registerComponentIfNecessary(beanDefinition, new ComponentRegistrarAdapter(parserContext));
}
public static void registerAspectJAnnotationAutoProxyCreatorIfNecessary(
@ -95,7 +96,7 @@ public abstract class AopNamespaceUtils {
BeanDefinition beanDefinition = AopConfigUtils.registerAspectJAnnotationAutoProxyCreatorIfNecessary(
parserContext.getRegistry(), parserContext.extractSource(sourceElement));
useClassProxyingIfNecessary(parserContext.getRegistry(), sourceElement);
registerComponentIfNecessary(beanDefinition, parserContext);
registerComponentIfNecessary(beanDefinition, new ComponentRegistrarAdapter(parserContext));
}
/**
@ -107,7 +108,7 @@ public abstract class AopNamespaceUtils {
public static void registerAutoProxyCreatorIfNecessary(ParserContext parserContext, Object source) {
BeanDefinition beanDefinition = AopConfigUtils.registerAutoProxyCreatorIfNecessary(
parserContext.getRegistry(), source);
registerComponentIfNecessary(beanDefinition, parserContext);
registerComponentIfNecessary(beanDefinition, new ComponentRegistrarAdapter(parserContext));
}
/**

25
org.springframework.beans/src/main/java/org/springframework/beans/factory/parsing/BeanDefinitionRegistrar.java
View File

@ -1,25 +0,0 @@
/*
* Copyright 2002-2011 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.beans.factory.parsing;
import org.springframework.beans.factory.config.BeanDefinition;
public interface BeanDefinitionRegistrar {
String registerWithGeneratedName(BeanDefinition beanDefinition);
}

13
org.springframework.beans/src/main/java/org/springframework/beans/factory/parsing/ComponentRegistrar.java
View File

@ -16,9 +16,20 @@
package org.springframework.beans.factory.parsing;
public interface ComponentRegistrar extends BeanDefinitionRegistrar {
import org.springframework.beans.factory.config.BeanDefinition;
/**
* TODO SPR-7420: document
*
* @author Chris Beams
* @since 3.1
*/
public interface ComponentRegistrar {
String registerWithGeneratedName(BeanDefinition beanDefinition);
void registerBeanComponent(BeanComponentDefinition component);
void registerComponent(ComponentDefinition component);
}

55
org.springframework.beans/src/main/java/org/springframework/beans/factory/parsing/ComponentRegistrarAdapter.java Normal file
View File

@ -0,0 +1,55 @@
/*
* Copyright 2002-2011 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.beans.factory.parsing;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.ParserContext;
/**
* TODO SPR-7420: document
* <p>Adapter is necessary as opposed to having ParserContext
* implement ComponentRegistrar directly due to tooling issues.
* STS may ship with a version of Spring older that 3.1 (when
* this type was introduced), and will run into
* IncompatibleClassChangeErrors when it's (3.0.5) ParserContext
* tries to mix with our (3.1.0) BeanDefinitionParser
* (and related) infrastructure.
*
* @author Chris Beams
* @since 3.1
*/
public class ComponentRegistrarAdapter implements ComponentRegistrar {
private final ParserContext parserContext;
public ComponentRegistrarAdapter(ParserContext parserContext) {
this.parserContext = parserContext;
}
public String registerWithGeneratedName(BeanDefinition beanDefinition) {
return this.parserContext.getReaderContext().registerWithGeneratedName(beanDefinition);
}
public void registerBeanComponent(BeanComponentDefinition component) {
this.parserContext.registerBeanComponent(component);
}
public void registerComponent(ComponentDefinition component) {
this.parserContext.registerComponent(component);
}
}

5
org.springframework.beans/src/main/java/org/springframework/beans/factory/parsing/ReaderContext.java
View File

@ -30,13 +30,12 @@ public class ReaderContext {
private final Resource resource;
private final ProblemReporter problemReporter;
private final ReaderEventListener eventListener;
private final SourceExtractor sourceExtractor;
// TODO SPR-7420: review exposing problem reporter
protected final ProblemReporter problemReporter;
public ReaderContext(Resource resource, ProblemReporter problemReporter,
ReaderEventListener eventListener, SourceExtractor sourceExtractor) {

16
org.springframework.beans/src/main/java/org/springframework/beans/factory/support/BeanDefinitionReaderUtils.java
View File

@ -166,12 +166,24 @@ public class BeanDefinitionReaderUtils {
* for the given bean definition or the definition cannot be registered
*/
public static String registerWithGeneratedName(
AbstractBeanDefinition definition, BeanDefinitionRegistry registry)
BeanDefinition definition, BeanDefinitionRegistry registry)
throws BeanDefinitionStoreException {
String generatedName = generateBeanName(definition, registry, false);
registry.registerBeanDefinition(generatedName, definition);
return generatedName;
}
/**
* @deprecated since Spring 3.1 in favor of
* {@link #registerWithGeneratedName(BeanDefinition, BeanDefinitionRegistry)}
* and its more general signature.
*/
@Deprecated
public static String registerWithGeneratedName(
AbstractBeanDefinition definition, BeanDefinitionRegistry registry)
throws BeanDefinitionStoreException {
return registerWithGeneratedName((BeanDefinition)definition, registry);
}
}

7
org.springframework.beans/src/main/java/org/springframework/beans/factory/xml/ParserContext.java
View File

@ -21,7 +21,6 @@ import java.util.Stack;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.parsing.ComponentDefinition;
import org.springframework.beans.factory.parsing.ComponentRegistrar;
import org.springframework.beans.factory.parsing.CompositeComponentDefinition;
import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
@ -37,7 +36,7 @@ import org.springframework.beans.factory.support.BeanDefinitionRegistry;
* @see XmlReaderContext
* @see BeanDefinitionParserDelegate
*/
public final class ParserContext implements ComponentRegistrar {
public final class ParserContext {
private final XmlReaderContext readerContext;
@ -122,8 +121,4 @@ public final class ParserContext implements ComponentRegistrar {
registerComponent(component);
}
public String registerWithGeneratedName(BeanDefinition beanDefinition) {
return this.readerContext.registerWithGeneratedName(beanDefinition);
}
}

5
org.springframework.beans/src/main/java/org/springframework/beans/factory/xml/XmlReaderContext.java
View File

@ -83,9 +83,4 @@ public class XmlReaderContext extends ReaderContext {
return generatedName;
}
// TODO SPR-7420: review exposing problem reporter
public ProblemReporter getProblemReporter() {
return this.problemReporter;
}
}

38
org.springframework.context/src/main/java/org/springframework/context/annotation/ComponentScanBeanDefinitionParser.java
View File

@ -16,11 +16,9 @@
package org.springframework.context.annotation;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.beans.factory.xml.XmlReaderContext;
import org.springframework.context.config.SpecificationContext;
import org.springframework.context.config.AbstractSpecificationBeanDefinitionParser;
import org.springframework.context.config.FeatureSpecification;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
@ -38,11 +36,10 @@ import org.w3c.dom.NodeList;
* @see ComponentScanSpec
* @see ComponentScanExecutor
*/
public class ComponentScanBeanDefinitionParser implements BeanDefinitionParser {
public class ComponentScanBeanDefinitionParser extends AbstractSpecificationBeanDefinitionParser {
public BeanDefinition parse(Element element, ParserContext parserContext) {
XmlReaderContext readerContext = parserContext.getReaderContext();
ClassLoader classLoader = readerContext.getResourceLoader().getClassLoader();
public FeatureSpecification doParse(Element element, ParserContext parserContext) {
ClassLoader classLoader = parserContext.getReaderContext().getResourceLoader().getClassLoader();
ComponentScanSpec spec =
ComponentScanSpec.forDelimitedPackages(element.getAttribute("base-package"))
@ -51,7 +48,9 @@ public class ComponentScanBeanDefinitionParser implements BeanDefinitionParser {
.resourcePattern(element.getAttribute("resource-pattern"))
.beanNameGenerator(element.getAttribute("name-generator"), classLoader)
.scopeMetadataResolver(element.getAttribute("scope-resolver"), classLoader)
.scopedProxyMode(element.getAttribute("scoped-proxy"));
.scopedProxyMode(element.getAttribute("scoped-proxy"))
.beanDefinitionDefaults(parserContext.getDelegate().getBeanDefinitionDefaults())
.autowireCandidatePatterns(parserContext.getDelegate().getAutowireCandidatePatterns());
// Parse exclude and include filter elements.
NodeList nodeList = element.getChildNodes();
@ -70,26 +69,7 @@ public class ComponentScanBeanDefinitionParser implements BeanDefinitionParser {
}
}
spec.beanDefinitionDefaults(parserContext.getDelegate().getBeanDefinitionDefaults())
.autowireCandidatePatterns(parserContext.getDelegate().getAutowireCandidatePatterns())
.source(readerContext.extractSource(element))
.sourceName(element.getTagName())
.execute(createSpecificationContext(parserContext));
return null;
}
// Adapt the given ParserContext instance into an SpecificationContext.
// TODO SPR-7420: create a common ParserContext-to-SpecificationContext adapter utility
// or otherwise unify these two types
private SpecificationContext createSpecificationContext(ParserContext parserContext) {
SpecificationContext specificationContext = new SpecificationContext();
specificationContext.setRegistry(parserContext.getRegistry());
specificationContext.setRegistrar(parserContext);
specificationContext.setResourceLoader(parserContext.getReaderContext().getResourceLoader());
specificationContext.setEnvironment(parserContext.getDelegate().getEnvironment());
specificationContext.setProblemReporter(parserContext.getReaderContext().getProblemReporter());
return specificationContext;
return spec;
}
}

3
org.springframework.context/src/main/java/org/springframework/context/annotation/ConfigurationClassBeanDefinitionReader.java
View File

@ -107,6 +107,7 @@ class ConfigurationClassBeanDefinitionReader {
this.sourceExtractor = sourceExtractor;
this.problemReporter = problemReporter;
this.metadataReaderFactory = metadataReaderFactory;
// TODO SPR-7420: see about passing in the SpecificationContext created in ConfigurationClassPostProcessor
this.specificationContext = new SpecificationContext();
this.specificationContext.setRegistry(this.registry);
this.specificationContext.setRegistrar(new SimpleComponentRegistrar(this.registry));
@ -171,7 +172,7 @@ class ConfigurationClassBeanDefinitionReader {
}
// no bean definition exists yet -> this must be an imported configuration class (@Import).
GenericBeanDefinition configBeanDef = new GenericBeanDefinition();
BeanDefinition configBeanDef = new GenericBeanDefinition();
String className = configClass.getMetadata().getClassName();
configBeanDef.setBeanClassName(className);
if (checkConfigurationClassCandidate(configBeanDef, this.metadataReaderFactory)) {

5
org.springframework.context/src/main/java/org/springframework/context/annotation/ConfigurationClassPostProcessor.java
View File

@ -354,8 +354,6 @@ public class ConfigurationClassPostProcessor implements BeanDefinitionRegistryPo
}
}
// TODO SPR-7420: consider unifying the two through a superinterface.
// TODO SPR-7420: create a common ParserContext-to-SpecificationContext adapter util
private SpecificationContext createSpecificationContext(ConfigurableListableBeanFactory beanFactory) {
final BeanDefinitionRegistry registry = (BeanDefinitionRegistry) beanFactory;
SpecificationContext specificationContext = new SpecificationContext();
@ -363,8 +361,7 @@ public class ConfigurationClassPostProcessor implements BeanDefinitionRegistryPo
specificationContext.setResourceLoader(this.resourceLoader);
specificationContext.setRegistry(registry);
specificationContext.setRegistrar(new SimpleComponentRegistrar(registry));
// TODO SPR-7420: how to get hold of the current problem reporter here?
specificationContext.setProblemReporter(new FailFastProblemReporter());
specificationContext.setProblemReporter(this.problemReporter);
return specificationContext;
}

5
org.springframework.context/src/main/java/org/springframework/context/annotation/SimpleComponentRegistrar.java
View File

@ -20,7 +20,6 @@ import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.parsing.BeanComponentDefinition;
import org.springframework.beans.factory.parsing.ComponentDefinition;
import org.springframework.beans.factory.parsing.ComponentRegistrar;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
@ -30,7 +29,7 @@ import org.springframework.beans.factory.support.BeanDefinitionRegistry;
* @author Chris Beams
* @since 3.1
*/
public class SimpleComponentRegistrar implements ComponentRegistrar {
class SimpleComponentRegistrar implements ComponentRegistrar {
private final BeanDefinitionRegistry registry;
@ -39,7 +38,7 @@ public class SimpleComponentRegistrar implements ComponentRegistrar {
}
public String registerWithGeneratedName(BeanDefinition beanDefinition) {
return BeanDefinitionReaderUtils.registerWithGeneratedName((AbstractBeanDefinition)beanDefinition, this.registry);
return BeanDefinitionReaderUtils.registerWithGeneratedName(beanDefinition, this.registry);
}
public void registerBeanComponent(BeanComponentDefinition component) {

74
org.springframework.context/src/main/java/org/springframework/context/config/AbstractSpecificationBeanDefinitionParser.java Normal file
View File

@ -0,0 +1,74 @@
/*
* Copyright 2002-2011 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.context.config;
import java.lang.reflect.Field;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.parsing.ComponentRegistrarAdapter;
import org.springframework.beans.factory.parsing.ProblemReporter;
import org.springframework.beans.factory.parsing.ReaderContext;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;
/**
* TODO SPR-7420: document
*
* @author Chris Beams
* @since 3.1
*/
public abstract class AbstractSpecificationBeanDefinitionParser implements BeanDefinitionParser {
public final BeanDefinition parse(Element element, ParserContext parserContext) {
FeatureSpecification spec = doParse(element, parserContext);
if (spec instanceof SourceAwareSpecification) {
((SourceAwareSpecification)spec).source(parserContext.getReaderContext().extractSource(element));
((SourceAwareSpecification)spec).sourceName(element.getTagName());
}
spec.execute(specificationContextFrom(parserContext));
return null;
}
abstract protected FeatureSpecification doParse(Element element, ParserContext parserContext);
/**
* Adapt the given ParserContext into a SpecificationContext.
*/
private SpecificationContext specificationContextFrom(ParserContext parserContext) {
SpecificationContext specContext = new SpecificationContext();
specContext.setRegistry(parserContext.getRegistry());
specContext.setRegistrar(new ComponentRegistrarAdapter(parserContext));
specContext.setResourceLoader(parserContext.getReaderContext().getResourceLoader());
specContext.setEnvironment(parserContext.getDelegate().getEnvironment());
try {
// access the reader context's problem reporter reflectively in order to
// compensate for tooling (STS) constraints around introduction of changes
// to parser context / reader context classes.
Field field = ReaderContext.class.getDeclaredField("problemReporter");
field.setAccessible(true);
ProblemReporter problemReporter = (ProblemReporter)field.get(parserContext.getReaderContext());
specContext.setProblemReporter(problemReporter);
} catch (Exception ex) {
throw new IllegalStateException(
"Could not access field 'ReaderContext#problemReporter' on object " +
parserContext.getReaderContext(), ex);
}
return specContext;
}
}

1
org.springframework.integration-tests/src/test/java/org/springframework/context/annotation/FeatureTestSuite.java
View File

@ -73,6 +73,7 @@ import org.springframework.web.servlet.config.MvcViewControllersTests;
MvcResourcesTests.class,
MvcDefaultServletHandlerTests.class,
MvcNamespaceTests.class
})
*/
public class FeatureTestSuite {

32
org.springframework.transaction/src/main/java/org/springframework/transaction/config/AnnotationDrivenBeanDefinitionParser.java
View File

@ -17,10 +17,9 @@
package org.springframework.transaction.config;
import org.springframework.aop.config.AopNamespaceUtils;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.context.config.SpecificationContext;
import org.springframework.context.config.AbstractSpecificationBeanDefinitionParser;
import org.springframework.context.config.FeatureSpecification;
import org.w3c.dom.Element;
/**
@ -41,7 +40,7 @@ import org.w3c.dom.Element;
* @since 2.0
* @see TxAnnotationDriven
*/
class AnnotationDrivenBeanDefinitionParser implements BeanDefinitionParser {
class AnnotationDrivenBeanDefinitionParser extends AbstractSpecificationBeanDefinitionParser {
/**
* The bean name of the internally managed transaction advisor (mode="proxy").
@ -61,29 +60,12 @@ class AnnotationDrivenBeanDefinitionParser implements BeanDefinitionParser {
* {@link AopNamespaceUtils#registerAutoProxyCreatorIfNecessary register an AutoProxyCreator}
* with the container as necessary.
*/
public BeanDefinition parse(Element element, ParserContext parserContext) {
new TxAnnotationDriven(element.getAttribute("transaction-manager"))
@Override
protected FeatureSpecification doParse(Element element, ParserContext parserContext) {
return new TxAnnotationDriven(element.getAttribute("transaction-manager"))
.order(element.getAttribute("order"))
.mode(element.getAttribute("mode"))
.proxyTargetClass(Boolean.valueOf(element.getAttribute("proxy-target-class")))
.source(parserContext.extractSource(element))
.sourceName(element.getTagName())
.execute(createSpecificationContext(parserContext));
return null;
}
/**
* Adapt the given ParserContext instance into an SpecificationContext.
*
* TODO SPR-7420: consider unifying the two through a superinterface.
* TODO SPR-7420: create a common ParserContext-to-SpecificationContext adapter util
*/
private SpecificationContext createSpecificationContext(ParserContext parserContext) {
SpecificationContext specificationContext = new SpecificationContext();
specificationContext.setRegistry(parserContext.getRegistry());
specificationContext.setRegistrar(parserContext);
specificationContext.setProblemReporter(parserContext.getReaderContext().getProblemReporter());
return specificationContext;
.proxyTargetClass(Boolean.valueOf(element.getAttribute("proxy-target-class")));
}
}

32
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/AnnotationDrivenBeanDefinitionParser.java
View File

@ -16,12 +16,12 @@
package org.springframework.web.servlet.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.BeanDefinitionHolder;
import org.springframework.beans.factory.support.ManagedList;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.context.config.SpecificationContext;
import org.springframework.context.config.AbstractSpecificationBeanDefinitionParser;
import org.springframework.context.config.FeatureSpecification;
import org.springframework.util.xml.DomUtils;
import org.w3c.dom.Element;
@ -30,22 +30,18 @@ import org.w3c.dom.Element;
* to configure a Spring MVC web application.
*
* @author Rossen Stoyanchev
* @author Chris Beams
* @since 3.0
* @see MvcAnnotationDriven
* @see MvcAnnotationDrivenExecutor
*/
class AnnotationDrivenBeanDefinitionParser implements BeanDefinitionParser {
class AnnotationDrivenBeanDefinitionParser extends AbstractSpecificationBeanDefinitionParser {
/**
* Parses the {@code <mvc:annotation-driven/>} tag.
*/
public BeanDefinition parse(Element element, ParserContext parserContext) {
MvcAnnotationDriven spec = createSpecification(element, parserContext);
spec.execute(createSpecificationContext(parserContext));
return null;
}
private MvcAnnotationDriven createSpecification(Element element, ParserContext parserContext) {
@Override
protected FeatureSpecification doParse(Element element, ParserContext parserContext) {
MvcAnnotationDriven spec = new MvcAnnotationDriven();
if (element.hasAttribute("conversion-service")) {
String conversionService = element.getAttribute("conversion-service");
@ -70,8 +66,6 @@ class AnnotationDrivenBeanDefinitionParser implements BeanDefinitionParser {
spec.argumentResolvers(extractBeanSubElements(resolversElement, parserContext));
}
spec.source(parserContext.extractSource(element));
spec.sourceName(element.getTagName());
return spec;
}
@ -86,18 +80,4 @@ class AnnotationDrivenBeanDefinitionParser implements BeanDefinitionParser {
return list;
}
/**
* Adapt the given ParserContext instance into an SpecificationContext.
*
* TODO SPR-7420: consider unifying the two through a superinterface.
* TODO SPR-7420: create a common ParserContext-to-SpecificationContext adapter util
*/
private SpecificationContext createSpecificationContext(ParserContext parserContext) {
SpecificationContext executorContext = new SpecificationContext();
executorContext.setRegistry(parserContext.getRegistry());
executorContext.setRegistrar(parserContext);
executorContext.setProblemReporter(parserContext.getReaderContext().getProblemReporter());
return executorContext;
}
}

37
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/DefaultServletHandlerBeanDefinitionParser.java
View File

@ -16,10 +16,10 @@
package org.springframework.web.servlet.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.context.config.SpecificationContext;
import org.springframework.context.config.AbstractSpecificationBeanDefinitionParser;
import org.springframework.context.config.FeatureSpecification;
import org.springframework.util.StringUtils;
import org.springframework.web.servlet.handler.SimpleUrlHandlerMapping;
import org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter;
@ -31,40 +31,21 @@ import org.w3c.dom.Element;
* register a {@link DefaultServletHttpRequestHandler}. Will also register a
* {@link SimpleUrlHandlerMapping} for mapping resource requests, and a
* {@link HttpRequestHandlerAdapter} if necessary.
*
*
* @author Rossen Stoyanchev
* @author Chris Beams
* @since 3.0.4
*/
class DefaultServletHandlerBeanDefinitionParser implements BeanDefinitionParser {
class DefaultServletHandlerBeanDefinitionParser extends AbstractSpecificationBeanDefinitionParser {
/**
* Parses the {@code <mvc:default-servlet-handler/>} tag.
*/
public BeanDefinition parse(Element element, ParserContext parserContext) {
MvcDefaultServletHandler spec = createSpecification(element, parserContext);
spec.execute(createSpecificationContext(parserContext));
return null;
}
private MvcDefaultServletHandler createSpecification(Element element, ParserContext parserContext) {
public FeatureSpecification doParse(Element element, ParserContext parserContext) {
String defaultServletHandler = element.getAttribute("default-servlet-handler");
MvcDefaultServletHandler spec = StringUtils.hasText(defaultServletHandler) ? new MvcDefaultServletHandler(
defaultServletHandler) : new MvcDefaultServletHandler();
return spec;
}
/**
* Adapt the given ParserContext instance into an SpecificationContext.
*
* TODO SPR-7420: consider unifying the two through a superinterface.
* TODO SPR-7420: create a common ParserContext-to-SpecificationContext adapter util
*/
private SpecificationContext createSpecificationContext(ParserContext parserContext) {
SpecificationContext context = new SpecificationContext();
context.setRegistry(parserContext.getRegistry());
context.setRegistrar(parserContext);
context.setProblemReporter(parserContext.getReaderContext().getProblemReporter());
return context;
return StringUtils.hasText(defaultServletHandler) ?
new MvcDefaultServletHandler(defaultServletHandler) :
new MvcDefaultServletHandler();
}
}

2
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/MvcDefaultServletHandlerExecutor.java
View File

@ -57,7 +57,7 @@ final class MvcDefaultServletHandlerExecutor extends AbstractSpecificationExecut
registry.registerBeanDefinition(HANDLER_ADAPTER_BEAN_NAME, handlerAdapterDef);
registrar.registerComponent(new BeanComponentDefinition(handlerAdapterDef, HANDLER_ADAPTER_BEAN_NAME));
}
RootBeanDefinition defaultServletHandlerDef = new RootBeanDefinition(DefaultServletHttpRequestHandler.class);
defaultServletHandlerDef.setSource(source);
defaultServletHandlerDef.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);

48
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/ResourcesBeanDefinitionParser.java
View File

@ -16,10 +16,9 @@
package org.springframework.web.servlet.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.context.config.SpecificationContext;
import org.springframework.context.config.AbstractSpecificationBeanDefinitionParser;
import org.springframework.context.config.FeatureSpecification;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
@ -32,32 +31,16 @@ import org.w3c.dom.Element;
* @see MvcResources
* @see MvcResourcesExecutor
*/
class ResourcesBeanDefinitionParser implements BeanDefinitionParser {
class ResourcesBeanDefinitionParser extends AbstractSpecificationBeanDefinitionParser {
/**
* Parses the {@code <mvc:resources/>} tag
*/
public BeanDefinition parse(Element element, ParserContext parserContext) {
MvcResources spec = createSpecification(element, parserContext);
if (spec != null) {
spec.execute(createSpecificationContext(parserContext));
}
return null;
}
private MvcResources createSpecification(Element element, ParserContext parserContext) {
public FeatureSpecification doParse(Element element, ParserContext parserContext) {
String mapping = element.getAttribute("mapping");
if (!StringUtils.hasText(mapping)) {
parserContext.getReaderContext().error("The 'mapping' attribute is required.",
parserContext.extractSource(element));
return null;
}
String[] locations = StringUtils.commaDelimitedListToStringArray(element.getAttribute("location"));
if (locations.length == 0) {
parserContext.getReaderContext().error("The 'location' attribute is required.",
parserContext.extractSource(element));
return null;
}
String[] locations =
StringUtils.commaDelimitedListToStringArray(element.getAttribute("location"));
MvcResources spec = new MvcResources(mapping, locations);
if (element.hasAttribute("cache-period")) {
spec.cachePeriod(element.getAttribute("cache-period"));
@ -65,23 +48,8 @@ class ResourcesBeanDefinitionParser implements BeanDefinitionParser {
if (element.hasAttribute("order")) {
spec.order(element.getAttribute("order"));
}
spec.source(parserContext.extractSource(element));
spec.sourceName(element.getTagName());
return spec;
}
/**
* Adapt the given ParserContext instance into an SpecificationContext.
*
* TODO SPR-7420: consider unifying the two through a superinterface.
* TODO SPR-7420: create a common ParserContext-to-SpecificationContext adapter util
*/
private SpecificationContext createSpecificationContext(ParserContext parserContext) {
SpecificationContext context = new SpecificationContext();
context.setRegistry(parserContext.getRegistry());
context.setRegistrar(parserContext);
context.setProblemReporter(parserContext.getReaderContext().getProblemReporter());
return context;
}
}

29
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/ViewControllerBeanDefinitionParser.java
View File

@ -16,10 +16,9 @@
package org.springframework.web.servlet.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.context.config.SpecificationContext;
import org.springframework.context.config.AbstractSpecificationBeanDefinitionParser;
import org.springframework.context.config.FeatureSpecification;
import org.springframework.web.servlet.mvc.ParameterizableViewController;
import org.w3c.dom.Element;
@ -32,33 +31,15 @@ import org.w3c.dom.Element;
* @see MvcViewControllers
* @see MvcViewControllersExecutor
*/
class ViewControllerBeanDefinitionParser implements BeanDefinitionParser {
class ViewControllerBeanDefinitionParser extends AbstractSpecificationBeanDefinitionParser {
/**
* Parses the {@code <mvc:view-controller/>} tag.
*/
public BeanDefinition parse(Element element, ParserContext parserContext) {
public FeatureSpecification doParse(Element element, ParserContext parserContext) {
String path = element.getAttribute("path");
String viewName = element.getAttribute("view-name");
new MvcViewControllers(path, viewName.isEmpty() ? null : viewName)
.source(parserContext.extractSource(element))
.sourceName(element.getTagName())
.execute(createSpecificationContext(parserContext));
return null;
}
/**
* Adapt the given ParserContext instance into an SpecificationContext.
*
* TODO SPR-7420: consider unifying the two through a superinterface.
* TODO SPR-7420: create a common ParserContext-to-SpecificationContext adapter util
*/
private SpecificationContext createSpecificationContext(ParserContext parserContext) {
SpecificationContext context = new SpecificationContext();
context.setRegistry(parserContext.getRegistry());
context.setRegistrar(parserContext);
context.setProblemReporter(parserContext.getReaderContext().getProblemReporter());
return context;
return new MvcViewControllers(path, viewName.isEmpty() ? null : viewName);
}
}