/*
* Copyright (c) 2002-2007 by OpenSymphony
* All rights reserved.
*/
package com.opensymphony.xwork2.interceptor;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Serializable;
/**
* <!-- START SNIPPET: javadoc -->
*
* A simple wrapper around an exception, providing an easy way to print out the stack trace of the exception as well as
* a way to get a handle on the exception itself.
*
* <!-- END SNIPPET: javadoc -->
*
* @author Matthew E. Porter (matthew dot porter at metissian dot com)
*/
public class ExceptionHolder implements Serializable {
private Exception exception;
/**
* Holds the given exception
*
* @param exception the exception to hold.
*/
public ExceptionHolder(Exception exception) {
this.exception = exception;
}
/**
* Gets the holded exception
*
* @return the holded exception
*/
public Exception getException() {
return this.exception;
}
/**
* Gets the holded exception stacktrace using {@link Exception#printStackTrace()}.
*
* @return stacktrace
*/
public String getExceptionStack() {
String exceptionStack = null;
if (getException() != null) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
try {
getException().printStackTrace(pw);
exceptionStack = sw.toString();
}
finally {
try {
sw.close();
pw.close();
} catch (IOException e) {
// ignore
}
}
}
return exceptionStack;
}
}
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