org.apache.tomcat.util.http.fileupload.FileUploadException Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.tomcat.util.http.fileupload;
import java.io.PrintStream;
import java.io.PrintWriter;
/**
* Exception for errors encountered while processing the request.
*
* @author John McNally
* @version $Id: FileUploadException.java 881533 2009-11-17 21:21:41Z markt $
*/
public class FileUploadException extends Exception {
/**
* Serial version UID, being used, if the exception
* is serialized.
*/
private static final long serialVersionUID = 8881893724388807504L;
/**
* The exceptions cause. We overwrite the cause of
* the super class, which isn't available in Java 1.3.
*/
private final Throwable cause;
/**
* Constructs a new FileUploadException without message.
*/
public FileUploadException() {
this(null, null);
}
/**
* Constructs a new FileUploadException with specified detail
* message.
*
* @param msg the error message.
*/
public FileUploadException(final String msg) {
this(msg, null);
}
/**
* Creates a new FileUploadException with the given
* detail message and cause.
* @param msg The exceptions detail message.
* @param cause The exceptions cause.
*/
public FileUploadException(String msg, Throwable cause) {
super(msg);
this.cause = cause;
}
/**
* Prints this throwable and its backtrace to the specified print stream.
*
* @param stream PrintStream to use for output
*/
@Override
public void printStackTrace(PrintStream stream) {
super.printStackTrace(stream);
if (cause != null) {
stream.println("Caused by:");
cause.printStackTrace(stream);
}
}
/**
* Prints this throwable and its backtrace to the specified
* print writer.
*
* @param writer PrintWriter to use for output
*/
@Override
public void printStackTrace(PrintWriter writer) {
super.printStackTrace(writer);
if (cause != null) {
writer.println("Caused by:");
cause.printStackTrace(writer);
}
}
@Override
public Throwable getCause() {
return cause;
}
}