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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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9
spring-web/src/main/java/org/springframework/web/method/support/InvocableHandlerMethod.java
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@@ -20,8 +20,8 @@ import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
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.util.ReflectionUtils;
@@ -51,7 +51,7 @@ public class InvocableHandlerMethod extends HandlerMethod {
private WebDataBinderFactory dataBinderFactory;
private ParameterNameDiscoverer parameterNameDiscoverer = new LocalVariableTableParameterNameDiscoverer();
private ParameterNameDiscoverer parameterNameDiscoverer = new DefaultParameterNameDiscoverer();
/**
@@ -97,8 +97,9 @@ public class InvocableHandlerMethod extends HandlerMethod {
}
/**
* Set the ParameterNameDiscoverer for resolving parameter names when needed (e.g. default request attribute name).
* <p>Default is an {@link org.springframework.core.LocalVariableTableParameterNameDiscoverer} instance.
* Set the ParameterNameDiscoverer for resolving parameter names when needed
* (e.g. default request attribute name).
* <p>Default is a {@link org.springframework.core.DefaultParameterNameDiscoverer}.
*/
public void setParameterNameDiscoverer(ParameterNameDiscoverer parameterNameDiscoverer) {
this.parameterNameDiscoverer = parameterNameDiscoverer;