Imported Upstream version 3.2.12

1 files changed, 65 insertions, 0 deletions

diff --git a/spring-beans/src/main/java/org/springframework/beans/ExtendedBeanInfoFactory.java b/spring-beans/src/main/java/org/springframework/beans/ExtendedBeanInfoFactory.java
new file mode 100644
index 00000000..c0da24a9
--- /dev/null
+++ b/spring-beans/src/main/java/org/springframework/beans/ExtendedBeanInfoFactory.java
@@ -0,0 +1,65 @@
+/*
+ * 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.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.beans;
+
+import java.beans.BeanInfo;
+import java.beans.IntrospectionException;
+import java.beans.Introspector;
+import java.lang.reflect.Method;
+
+import org.springframework.core.Ordered;
+
+/**
+ * {@link BeanInfoFactory} implementation that evaluates whether bean classes have
+ * "non-standard" JavaBeans setter methods and are thus candidates for introspection
+ * by Spring's (package-visible) {@code ExtendedBeanInfo} implementation.
+ *
+ * <p>Ordered at {@link Ordered#LOWEST_PRECEDENCE} to allow other user-defined
+ * {@link BeanInfoFactory} types to take precedence.
+ *
+ * @author Chris Beams
+ * @since 3.2
+ * @see BeanInfoFactory
+ * @see CachedIntrospectionResults
+ */
+public class ExtendedBeanInfoFactory implements BeanInfoFactory, Ordered {
+
+	/**
+	 * Return an {@link ExtendedBeanInfo} for the given bean class, if applicable.
+	 */
+	public BeanInfo getBeanInfo(Class<?> beanClass) throws IntrospectionException {
+		return (supports(beanClass) ? new ExtendedBeanInfo(Introspector.getBeanInfo(beanClass)) : null);
+	}
+
+	/**
+	 * Return whether the given bean class declares or inherits any non-void
+	 * returning bean property or indexed property setter methods.
+	 */
+	private boolean supports(Class<?> beanClass) {
+		for (Method method : beanClass.getMethods()) {
+			if (ExtendedBeanInfo.isCandidateWriteMethod(method)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public int getOrder() {
+		return Ordered.LOWEST_PRECEDENCE;
+	}
+
+}