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Spring Framework example source code file (NestedExceptionUtils.java)

This example Spring Framework source code file (NestedExceptionUtils.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

nestedexceptionutils, nestedexceptionutils, string, string, stringbuffer, stringbuffer, throwable, throwable

The Spring Framework NestedExceptionUtils.java source code

/*
 * Copyright 2002-2006 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.core;

/**
 * Helper class for implementing exception classes which are capable of
 * holding nested exceptions. Necessary because we can't share a base
 * class among different exception types.
 *
 * <p>Mainly for use within the framework.
 *
 * @author Juergen Hoeller
 * @since 2.0
 * @see NestedRuntimeException
 * @see NestedCheckedException
 * @see NestedIOException
 * @see org.springframework.web.util.NestedServletException
 */
public abstract class NestedExceptionUtils {

	/**
	 * Build a message for the given base message and root cause.
	 * @param message the base message
	 * @param cause the root cause
	 * @return the full exception message
	 */
	public static String buildMessage(String message, Throwable cause) {
		if (cause != null) {
			StringBuffer buf = new StringBuffer();
			if (message != null) {
				buf.append(message).append("; ");
			}
			buf.append("nested exception is ").append(cause);
			return buf.toString();
		}
		else {
			return message;
		}
	}

}

Other Spring Framework examples (source code examples)

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