File	Doc	Category	Size	Date	Package
ExceptionUtil.java	API Doc	Glassfish v2 API	4387	Fri May 04 22:31:06 BST 2007	com.sun.appserv.management.util.misc

ExceptionUtil

• java.lang.Object

Fields Summary

Constructors Summary
private ExceptionUtil() // disallow instantiation

Methods Summary
public static java.lang.Throwable[]	getCauses(java.lang.Throwable start) Get the chain of exceptions via getCause(). The first element is the Exception passed. param start the Exception to traverse return a Throwable[] or an Exception[] as appropriate final ArrayList<Throwable> list = new ArrayList<Throwable>(); boolean haveNonException = false; Throwable t = start; while ( t != null ) { list.add( t ); if ( ! ( t instanceof Exception ) ) { haveNonException = true; } final Throwable temp = t.getCause(); if ( temp == null ) break; t = temp; } final Throwable[] results = haveNonException ? new Throwable[ list.size() ] : new Exception[ list.size() ]; list.toArray( results ); return( results );
public static java.lang.Throwable	getRootCause(java.lang.Throwable e) Get the original troublemaker. param e the Exception to dig into return the original Throwable that started the problem final Throwable[] causes = getCauses( e ); return( causes[ causes.length - 1 ] );
public static java.lang.String	getStackTrace() return toString(new Exception("STACK TRACE"));
public static java.lang.String	getStackTrace(java.lang.Throwable t) Get the stack trace as a String. param t the Throwabe whose stack trace should be gotten return a String containing the stack trace final StringBuffer buf = new StringBuffer(); final StackTraceElement[] elems = t.getStackTrace(); for( int i = 0; i < elems.length; ++i ) { buf.append( elems[ i ] ); buf.append( "\n" ); } return( buf.toString() );
public static java.lang.String	toString(java.lang.Throwable t) final String SEP = System.getProperty( "line.separator" ); final Throwable rootCause = getRootCause( t ); return rootCause.getClass().getName() + ": " + StringUtil.quote( rootCause.getMessage() ) + SEP + getStackTrace( rootCause );