net.maizegenetics.util.ExceptionUtils Maven / Gradle / Ivy
/*
* ExceptionUtils.java
*
* Created on May 25, 2003, 2:11 AM
*/
package net.maizegenetics.util;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.Level;
/**
*
* @author terryc
*/
public final class ExceptionUtils {
/**
* Default maximun number of entries.
*/
public static final int DEFAULT_MAX_NUMBER_ENTRIES = 50;
/**
* ExceptionUtils Constructor.
*/
private ExceptionUtils() {
}
/**
* This sends an exception's stack trace to the specified
* logger. The max parameter defines the maximun number of
* entries to send to the logger. This logs the default number
* of entries defined by DEFAULT_MAX_NUMBER_ENTRIES at the
* default priorty of debug.
*
* @param exception exception to log
* @param logger logger to send entries
*/
public static void logStackTrace(Exception exception, Logger logger) {
logStackTrace(exception, DEFAULT_MAX_NUMBER_ENTRIES, logger, Level.DEBUG);
}
/**
* This sends an exception's stack trace to the specified
* logger. The max parameter defines the maximun number of
* entries to send to the logger. Setting max to a negative
* number sends all the entries in the stack track to the logger.
*
* @param exception exception to log
* @param max maximun number of entries to log
* @param logger logger to send entries
* @param priorty priorty of log message
*/
public static void logStackTrace(Exception exception, int max, Logger logger, Level priorty) {
logger.log(priorty, getStackTrace(exception, max));
}
/**
* This sends an exception's stack trace to the specified
* logger. The max parameter defines the maximun number of
* entries to send to the logger. Setting max to a negative
* number sends all the entries in the stack track to the logger.
*
* @param exception exception to log
* @param max maximun number of entries to log
*
* @return stack trace as string
*/
public static String getStackTrace(Exception exception, int max) {
StackTraceElement [] elements = exception.getStackTrace();
int numEntries = elements.length;
if ((max >= 0) && (max < numEntries)) {
numEntries = max;
}
StringBuffer buffer = new StringBuffer();
for (int i=0; i