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package com.alee.utils;

import java.io.PrintWriter;
import java.io.StringWriter;

/**
 * This class provides a set of utilities to work with exceptions.
 * Some methods in this class are based on Apache Commons library sources.
 *
 * @author Mikle Garin
 */

public final class ExceptionUtils
{
    /**
     * Returns the stack trace from a Throwable as a String.
     * 

* The result of this method vary by JDK version as this method uses {@link Throwable#printStackTrace(java.io.PrintWriter)}. * On JDK1.3 and earlier, the cause exception will not be shown unless the specified throwable alters printStackTrace. * * @param throwable the {@code Throwable} to be examined * @return the stack trace as generated by the exception's {@code printStackTrace(PrintWriter)} method */ public static String getStackTrace ( final Throwable throwable ) { final StringWriter sw = new StringWriter (); final PrintWriter pw = new PrintWriter ( sw, true ); throwable.printStackTrace ( pw ); return sw.getBuffer ().toString (); } /** * Returns String representation of the specified stack trace. * * @param trace stack trace * @return String representation of the specified stack trace */ public static String getStackTrace ( final StackTraceElement[] trace ) { final StringWriter sw = new StringWriter (); final PrintWriter s = new PrintWriter ( sw, true ); for ( final StackTraceElement element : trace ) { s.println ( "\tat " + element ); } return sw.getBuffer ().toString (); } }





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