Replace RequestBodyNotValidException and RequestPartNotValidException with MethodArgumentNotValidException and add MethodParameter information to the exception message.

org.springframework.web/src/main/java/org/springframework/web/method/annotation/support/MethodArgumentNotValidException.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2002-2011 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.web.method.annotation.support;
+
+import org.springframework.core.MethodParameter;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.ObjectError;
+
+/**
+ * Thrown when validation on an argument annotated with {@code @Valid} fails.
+ * 
+ * @author Rossen Stoyanchev
+ * @since 3.1
+ */
+@SuppressWarnings("serial")
+public class MethodArgumentNotValidException extends Exception {
+
+	private final MethodParameter parameter;
+	
+	private final BindingResult bindingResult;
+
+	/**
+	 * Constructor for {@link MethodArgumentNotValidException}.
+	 * @param parameter the parameter that failed validation
+	 * @param bindingResult the results of the validation
+	 */
+	public MethodArgumentNotValidException(MethodParameter parameter, BindingResult bindingResult) {
+		this.parameter = parameter;
+		this.bindingResult = bindingResult;
+	}
+
+	/**
+	 * Return the method parameter that failed validation.
+	 */
+	public MethodParameter getParameter() {
+		return parameter;
+	}
+
+	/**
+	 * Return the results of the failed validation.
+	 */
+	public BindingResult getBindingResult() {
+		return bindingResult;
+	}
+
+	@Override
+	public String getMessage() {
+		StringBuilder sb = new StringBuilder("Validation failed for argument at index [")
+			.append(parameter.getParameterIndex()).append("] in method: ")
+			.append(parameter.getMethod().toGenericString())
+			.append(", with ").append(bindingResult.getErrorCount()).append(" error(s): ");
+		for (ObjectError error : bindingResult.getAllErrors()) {
+			sb.append("[").append(error).append("] ");
+		}
+		return sb.toString();
+	}
+	
+}