Spring/spring-framework
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

polishing

Browse Source
This commit is contained in:
Keith Donald
2009-11-09 21:59:59 +00:00
parent 835b958911
commit 566516b89a
2 changed files with 47 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/AnnotatedControllersBeanDefinitionParser.java
View File

@@ -23,7 +23,11 @@ import org.springframework.beans.factory.parsing.CompositeComponentDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.BeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.core.convert.ConversionService;
import org.springframework.format.support.FormattingConversionServiceFactoryBean;
import org.springframework.util.ClassUtils;
import org.springframework.validation.Validator;
import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
import org.springframework.web.bind.support.ConfigurableWebBindingInitializer;
import org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter;
import org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping;
@@ -32,8 +36,21 @@ import org.w3c.dom.Element;
/**
* {@link org.springframework.beans.factory.xml.BeanDefinitionParser} that parses the {@code annotated-controllers} element to setup
* <code>@Controller</code> configuration in a Spring MVC web application.
*
* <p>
* Responsible for:
* <ol>
* <li>Registering a DefaultAnnotationHandlerMapping bean for mapping HTTP Servlet Requests to @Controller methods using @RequestMapping annotations.
* <li>Registering a AnnotationMethodHandlerAdapter bean for invoking annotated @Controller methods.
* Will configure the HandlerAdapter's <code>webBindingInitializer</code> property for centrally configuring @Controller DataBinder instances:
* <ul>
* <li>Configures the conversionService to be the bean named <code>conversionService</code> if such a bean exists,
* otherwise defaults to a fresh {@link ConversionService} instance created by the default {@link FormattingConversionServiceFactoryBean}.
* <li>Configures the validator to be the bean named <code>validator</code> if such a bean exists,
* otherwise defaults to a fresh {@link Validator} instance created by the default {@link LocalValidatorFactoryBean} <i>if the JSR-303 API is present in the classpath.
* </ul>
* </ol>
* @author Keith Donald
* @since 3.0
*/
public class AnnotatedControllersBeanDefinitionParser implements BeanDefinitionParser {
@@ -65,16 +82,36 @@ public class AnnotatedControllersBeanDefinitionParser implements BeanDefinitionP
private BeanDefinition createWebBindingInitializer(Element element, Object source, ParserContext context) {
BeanDefinitionBuilder builder = createBeanBuilder(ConfigurableWebBindingInitializer.class, source);
addConversionService(builder, element, source, context);
addValidator(builder, element, source, context);
return builder.getBeanDefinition();
}
private void addConversionService(BeanDefinitionBuilder builder, Element element, Object source, ParserContext context) {
if (context.getRegistry().containsBeanDefinition("conversionService")) {
builder.addPropertyReference("conversionService", "conversionService");
} else {
builder.addPropertyValue("conversionService", createFormattingConversionService(element, source, context));
builder.addPropertyValue("conversionService", createConversionService(element, source, context));
}
}
private void addValidator(BeanDefinitionBuilder builder, Element element, Object source, ParserContext context) {
if (context.getRegistry().containsBeanDefinition("validator")) {
builder.addPropertyReference("validator", "validator");
} else {
if (ClassUtils.isPresent("javax.validation.Validator", AnnotatedControllersBeanDefinitionParser.class.getClassLoader())) {
builder.addPropertyValue("validator", createValidator(element, source, context));
}
}
}
private BeanDefinition createConversionService(Element element, Object source, ParserContext context) {
BeanDefinitionBuilder builder = createBeanBuilder(FormattingConversionServiceFactoryBean.class, source);
return builder.getBeanDefinition();
}
private BeanDefinition createFormattingConversionService(Element element, Object source, ParserContext context) {
BeanDefinitionBuilder builder = createBeanBuilder(FormattingConversionServiceFactoryBean.class, source);
private BeanDefinition createValidator(Element element, Object source, ParserContext context) {
BeanDefinitionBuilder builder = createBeanBuilder(LocalValidatorFactoryBean.class, source);
return builder.getBeanDefinition();
}