diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/CachedIntrospectionResults.java b/org.springframework.beans/src/main/java/org/springframework/beans/CachedIntrospectionResults.java index dc037773928..850a0346384 100644 --- a/org.springframework.beans/src/main/java/org/springframework/beans/CachedIntrospectionResults.java +++ b/org.springframework.beans/src/main/java/org/springframework/beans/CachedIntrospectionResults.java @@ -22,6 +22,7 @@ import java.beans.Introspector; import java.beans.PropertyDescriptor; import java.lang.ref.Reference; import java.lang.ref.WeakReference; +import java.lang.reflect.Method; import java.util.Collections; import java.util.HashSet; import java.util.Iterator; @@ -32,7 +33,6 @@ import java.util.WeakHashMap; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; - import org.springframework.util.ClassUtils; import org.springframework.util.StringUtils; @@ -214,7 +214,15 @@ public class CachedIntrospectionResults { if (logger.isTraceEnabled()) { logger.trace("Getting BeanInfo for class [" + beanClass.getName() + "]"); } - this.beanInfo = new ExtendedBeanInfo(Introspector.getBeanInfo(beanClass)); + BeanInfo originalBeanInfo = Introspector.getBeanInfo(beanClass); + BeanInfo extendedBeanInfo = null; + for (Method method : beanClass.getMethods()) { + if (ExtendedBeanInfo.isCandidateWriteMethod(method)) { + extendedBeanInfo = new ExtendedBeanInfo(originalBeanInfo); + break; + } + } + this.beanInfo = extendedBeanInfo != null ? extendedBeanInfo : originalBeanInfo; // Immediately remove class from Introspector cache, to allow for proper // garbage collection on class loader shutdown - we cache it here anyway, diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/ExtendedBeanInfo.java b/org.springframework.beans/src/main/java/org/springframework/beans/ExtendedBeanInfo.java index 32d4b7e40b0..432a5ec7177 100644 --- a/org.springframework.beans/src/main/java/org/springframework/beans/ExtendedBeanInfo.java +++ b/org.springframework.beans/src/main/java/org/springframework/beans/ExtendedBeanInfo.java @@ -1,5 +1,5 @@ /* - * Copyright 2002-2012 the original author or authors. + * Copyright 2002-2013 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. @@ -42,8 +42,8 @@ import static org.springframework.beans.PropertyDescriptorUtils.*; /** * Decorator for a standard {@link BeanInfo} object, e.g. as created by - * {@link Introspector#getBeanInfo(Class)}, designed to discover and register non-void - * returning setter methods. For example: + * {@link Introspector#getBeanInfo(Class)}, designed to discover and register static + * and/or non-void returning setter methods. For example: *
{@code
  * public class Bean {
  *     private Foo foo;
@@ -102,17 +102,17 @@ class ExtendedBeanInfo implements BeanInfo {
 					new SimpleNonIndexedPropertyDescriptor(pd));
 		}
 
-		for (Method method : findNonVoidWriteMethods(delegate.getMethodDescriptors())) {
-			handleNonVoidWriteMethod(method);
+		for (Method method : findCandidateWriteMethods(delegate.getMethodDescriptors())) {
+			handleCandidateWriteMethod(method);
 		}
 	}
 
 
-	private List findNonVoidWriteMethods(MethodDescriptor[] methodDescriptors) {
+	private List findCandidateWriteMethods(MethodDescriptor[] methodDescriptors) {
 		List matches = new ArrayList();
 		for (MethodDescriptor methodDescriptor : methodDescriptors) {
 			Method method = methodDescriptor.getMethod();
-			if (isNonVoidWriteMethod(method)) {
+			if (isCandidateWriteMethod(method)) {
 				matches.add(method);
 			}
 		}
@@ -127,20 +127,23 @@ class ExtendedBeanInfo implements BeanInfo {
 		return matches;
 	}
 
-	public static boolean isNonVoidWriteMethod(Method method) {
+	public static boolean isCandidateWriteMethod(Method method) {
 		String methodName = method.getName();
 		Class[] parameterTypes = method.getParameterTypes();
 		int nParams = parameterTypes.length;
 		if (methodName.length() > 3 && methodName.startsWith("set") &&
 				Modifier.isPublic(method.getModifiers()) &&
-				!void.class.isAssignableFrom(method.getReturnType()) &&
+				(
+						!void.class.isAssignableFrom(method.getReturnType()) ||
+						Modifier.isStatic(method.getModifiers())
+				) &&
 				(nParams == 1 || (nParams == 2 && parameterTypes[0].equals(int.class)))) {
 			return true;
 		}
 		return false;
 	}
 
-	private void handleNonVoidWriteMethod(Method method) throws IntrospectionException {
+	private void handleCandidateWriteMethod(Method method) throws IntrospectionException {
 		int nParams = method.getParameterTypes().length;
 		String propertyName = propertyNameFor(method);
 		Class propertyType = method.getParameterTypes()[nParams-1];
diff --git a/org.springframework.beans/src/test/java/org/springframework/beans/BeanWrapperTests.java b/org.springframework.beans/src/test/java/org/springframework/beans/BeanWrapperTests.java
index fc912c0be9a..a2ae82c0938 100644
--- a/org.springframework.beans/src/test/java/org/springframework/beans/BeanWrapperTests.java
+++ b/org.springframework.beans/src/test/java/org/springframework/beans/BeanWrapperTests.java
@@ -1541,6 +1541,24 @@ public final class BeanWrapperTests {
 		assertEquals(TestEnum.TEST_VALUE, consumer.getEnumValue());
 	}
 
+	@Test
+	public void cornerSpr10115() {
+		Spr10115Bean foo = new Spr10115Bean();
+		BeanWrapperImpl bwi = new BeanWrapperImpl();
+		bwi.setWrappedInstance(foo);
+		bwi.setPropertyValue("prop1", "val1");
+		assertEquals("val1", Spr10115Bean.prop1);
+	}
+
+
+	static class Spr10115Bean {
+		private static String prop1;
+
+		public static void setProp1(String prop1) {
+			Spr10115Bean.prop1 = prop1;
+		}
+	}
+
 
 	private static class Foo {
 
diff --git a/org.springframework.beans/src/test/java/org/springframework/beans/ExtendedBeanInfoTests.java b/org.springframework.beans/src/test/java/org/springframework/beans/ExtendedBeanInfoTests.java
index 4b6cc2ba901..12a392539fd 100644
--- a/org.springframework.beans/src/test/java/org/springframework/beans/ExtendedBeanInfoTests.java
+++ b/org.springframework.beans/src/test/java/org/springframework/beans/ExtendedBeanInfoTests.java
@@ -959,4 +959,27 @@ public class ExtendedBeanInfoTests {
 		}
 	}
 
+	@Test
+	public void shouldSupportStaticWriteMethod() throws IntrospectionException {
+		{
+			BeanInfo bi = Introspector.getBeanInfo(WithStaticWriteMethod.class);
+			assertThat(hasReadMethodForProperty(bi, "prop1"), is(false));
+			assertThat(hasWriteMethodForProperty(bi, "prop1"), is(false));
+			assertThat(hasIndexedReadMethodForProperty(bi, "prop1"), is(false));
+			assertThat(hasIndexedWriteMethodForProperty(bi, "prop1"), is(false));
+		}
+		{
+			BeanInfo bi = new ExtendedBeanInfo(Introspector.getBeanInfo(WithStaticWriteMethod.class));
+			assertThat(hasReadMethodForProperty(bi, "prop1"), is(false));
+			assertThat(hasWriteMethodForProperty(bi, "prop1"), is(true));
+			assertThat(hasIndexedReadMethodForProperty(bi, "prop1"), is(false));
+			assertThat(hasIndexedWriteMethodForProperty(bi, "prop1"), is(false));
+		}
+	}
+
+	static class WithStaticWriteMethod {
+		@SuppressWarnings("unused")
+		public static void setProp1(String prop1) {
+		}
+	}
 }