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Introduced DefaultParameterNameDiscoverer which checks JDK 8's standard reflection first and then falls back to ASM-based debug symbol analysis

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Also, StandardReflectionParameterNameDiscoverer calls "Parameter.isNamePresent()" now to return null (and pass on to the next discoverer) if no JDK 8 parameters are available. Note that this requires OpenJDK 8 b100 or higher to compile now.

Issue: SPR-10532
This commit is contained in:
Juergen Hoeller
2013-08-07 16:56:45 +02:00
committed by unknown
parent f9325a8376
commit 1420b970a7
13 changed files with 97 additions and 51 deletions
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6
spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java
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@@ -68,8 +68,8 @@ import org.springframework.beans.factory.config.DependencyDescriptor;
import org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessor;
import org.springframework.beans.factory.config.SmartInstantiationAwareBeanPostProcessor;
import org.springframework.beans.factory.config.TypedStringValue;
import org.springframework.core.DefaultParameterNameDiscoverer;
import org.springframework.core.GenericTypeResolver;
import org.springframework.core.LocalVariableTableParameterNameDiscoverer;
import org.springframework.core.MethodParameter;
import org.springframework.core.ParameterNameDiscoverer;
import org.springframework.core.PriorityOrdered;
@@ -120,7 +120,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
private InstantiationStrategy instantiationStrategy = new CglibSubclassingInstantiationStrategy();
/** Resolver strategy for method parameter names */
private ParameterNameDiscoverer parameterNameDiscoverer = new LocalVariableTableParameterNameDiscoverer();
private ParameterNameDiscoverer parameterNameDiscoverer = new DefaultParameterNameDiscoverer();
/** Whether to automatically try to resolve circular references between beans */
private boolean allowCircularReferences = true;
@@ -191,7 +191,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
/**
* Set the ParameterNameDiscoverer to use for resolving method parameter
* names if needed (e.g. for constructor names).
* <p>The default is {@link LocalVariableTableParameterNameDiscoverer}.
* <p>Default is a {@link DefaultParameterNameDiscoverer}.
*/
public void setParameterNameDiscoverer(ParameterNameDiscoverer parameterNameDiscoverer) {
this.parameterNameDiscoverer = parameterNameDiscoverer;