src.java.com.ctc.wstx.util.ExceptionUtil Maven / Gradle / Ivy
package com.ctc.wstx.util;
public final class ExceptionUtil
{
private ExceptionUtil() { }
/**
* Method that can be used to convert any Throwable to a RuntimeException;
* conversion is only done for checked exceptions.
*/
public static void throwRuntimeException(Throwable t)
{
// Unchecked? Can re-throw as is
throwIfUnchecked(t);
// Otherwise, let's just change its type:
RuntimeException rex = new RuntimeException("[was "+t.getClass()+"] "+t.getMessage());
// And indicate the root cause
setInitCause(rex, t);
throw rex;
}
public static void throwAsIllegalArgument(Throwable t)
{
// Unchecked? Can re-throw as is
throwIfUnchecked(t);
// Otherwise, let's just change its type:
IllegalArgumentException rex = new IllegalArgumentException("[was "+t.getClass()+"] "+t.getMessage());
// And indicate the root cause
setInitCause(rex, t);
throw rex;
}
public static void throwIfUnchecked(Throwable t)
{
// If it's not checked, let's throw it as is
if (t instanceof RuntimeException) {
throw (RuntimeException) t;
}
if (t instanceof Error) {
throw (Error) t;
}
}
/**
* This method is just added for convenience, and only to be used for
* assertion style of exceptions. For errors that actually occur, method
* with the string arg should be called instead.
*/
public static void throwGenericInternal()
{
throwInternal(null);
}
public static void throwInternal(String msg)
{
if (msg == null) {
msg = "[no description]";
}
throw new RuntimeException("Internal error: "+msg);
}
public static void setInitCause(Throwable newT, Throwable rootT)
{
/* [WSTX-110]: Better make sure we do not already have
* a chained exception...
*/
if (newT.getCause() == null) {
newT.initCause(rootT);
}
}
/*
///////////////////////////////////////////////////////////
// Internal methods
///////////////////////////////////////////////////////////
*/
}