Introduce specific exceptions for field and method autowiring failures

spring-beans/src/main/java/org/springframework/beans/factory/annotation/AutowiredAnnotationBeanPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -587,7 +587,7 @@ protected void inject(Object bean, String beanName, PropertyValues pvs) throws T
 				}
 			}
 			catch (Throwable ex) {
-				throw new BeanCreationException("Could not autowire field: " + field, ex);
+				throw new FieldAutowiringException(field, ex);
 			}
 		}
 	}
@@ -675,7 +675,7 @@ protected void inject(Object bean, String beanName, PropertyValues pvs) throws T
 				throw ex.getTargetException();
 			}
 			catch (Throwable ex) {
-				throw new BeanCreationException("Could not autowire method: " + method, ex);
+				throw new MethodAutowiringException(method, ex);
 			}
 		}
 

spring-beans/src/main/java/org/springframework/beans/factory/annotation/FieldAutowiringException.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2002-2016 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.factory.annotation;
+
+import java.lang.reflect.Field;
+
+import org.springframework.beans.factory.BeanCreationException;
+
+/**
+ * Exception thrown when a failure occurs when attempting to autowire a field.
+ * 
+ * @author Andy Wilkinson
+ * @since 4.3.0
+ */
+@SuppressWarnings("serial")
+public class FieldAutowiringException extends BeanCreationException {
+
+	private final Field field;
+
+	/**
+	 * Create a new FieldAutowiringException.
+	 * @param field the field that could not be autowired
+	 * @param cause the cause of the failure
+	 */
+	public FieldAutowiringException(Field field, Throwable cause) {
+		super("Could not autowire field: " + field, cause);
+		this.field = field;
+	}
+
+	/**
+	 * Returns the field that could not be autowired.
+	 */
+	public Field getField() {
+		return field;
+	}
+
+}

spring-beans/src/main/java/org/springframework/beans/factory/annotation/MethodAutowiringException.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2002-2016 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.factory.annotation;
+
+import java.lang.reflect.Method;
+
+import org.springframework.beans.factory.BeanCreationException;
+
+/**
+ * Exception thrown when a failure occurs when attempting to autowire a method.
+ * 
+ * @author Andy Wilkinson
+ * @since 4.3.0
+ */
+@SuppressWarnings("serial")
+public class MethodAutowiringException extends BeanCreationException {
+
+	private final Method method;
+
+	/**
+	 * Create a new MethodAutowiringException.
+	 * @param method the method that could not be autowired
+	 * @param cause the cause of the failure
+	 */
+	public MethodAutowiringException(Method method, Throwable cause) {
+		super("Could not autowire method: " + method, cause);
+		this.method = method;
+	}
+
+	/**
+	 * Returns the method that could not be autowired.
+	 */
+	public Method getMethod() {
+		return method;
+	}
+
+}