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leniently fall back to the passed-in method if a bridge method couldn't be resolved (for Groovy 1.7 compatibility)

This commit is contained in:
Juergen Hoeller 2009-11-25 16:55:13 +00:00
parent e10161182b
commit 6c89946d42
1 changed files with 12 additions and 6 deletions
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18
org.springframework.core/src/main/java/org/springframework/core/BridgeMethodResolver.java
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@ -53,7 +53,9 @@ public abstract class BridgeMethodResolver {
* <p>It is safe to call this method passing in a non-bridge {@link Method} instance. * <p>It is safe to call this method passing in a non-bridge {@link Method} instance.
* In such a case, the supplied {@link Method} instance is returned directly to the caller. * In such a case, the supplied {@link Method} instance is returned directly to the caller.
* Callers are <strong>not</strong> required to check for bridging before calling this method. * Callers are <strong>not</strong> required to check for bridging before calling this method.
* @throws IllegalStateException if no bridged {@link Method} can be found * @param bridgeMethod the method to introspect
* @return the original method (either the bridged method or the passed-in method
* if no more specific one could be found)
*/ */
public static Method findBridgedMethod(Method bridgeMethod) { public static Method findBridgedMethod(Method bridgeMethod) {
if (bridgeMethod == null || !bridgeMethod.isBridge()) { if (bridgeMethod == null || !bridgeMethod.isBridge()) {
@ -72,12 +74,16 @@ public abstract class BridgeMethodResolver {
return candidateMethods.get(0); return candidateMethods.get(0);
} }
// Search for candidate match. // Search for candidate match.
Method result = searchCandidates(candidateMethods, bridgeMethod); Method bridgedMethod = searchCandidates(candidateMethods, bridgeMethod);
if (result == null) { if (bridgedMethod != null) {
throw new IllegalStateException( // Bridged method found...
"Unable to locate bridged method for bridge method '" + bridgeMethod + "'"); return bridgedMethod;
}
else {
// A bridge method was passed in but we couldn't find the bridged method.
// Let's proceed with the passed-in method and hope for the best...
return bridgeMethod;
} }
return result;
} }
/** /**