001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.commons.io.log; 020 021import java.io.PrintStream; 022 023import lucee.commons.io.log.log4j.LogAdapter; 024import lucee.commons.lang.ExceptionUtil; 025 026/** 027 * Helper class for the logs 028 */ 029public final class LogUtil { 030 031 public static final int LEVEL_TRACE=5; // FUTURE add to Log interface, if log interface not get removed 032 033 034 public static void log(Log log, int level, String logName, Throwable t) { 035 log(log,level,logName,"",t); 036 } 037 038 public static void log(Log log, int level, String logName,String msg, Throwable t) { 039 if(log instanceof LogAdapter) { 040 ((LogAdapter)log).log(level, logName, msg,t); 041 } 042 else { 043 String em = ExceptionUtil.getMessage(t); 044 String est = ExceptionUtil.getStacktrace(t, false); 045 if(msg.equals(em)) msg=em+";"+est; 046 else msg+=";"+em+";"+est; 047 048 if(log!=null) { 049 log.log(level, logName,msg); 050 } 051 else { 052 PrintStream ps=(level>=Log.LEVEL_WARN)?System.err:System.out; 053 ps.println(logName+";"+msg); 054 } 055 056 } 057 } 058 059 public static void log(Log log, int level, String logName, String msg, StackTraceElement[] stackTrace) { 060 Throwable t = new Throwable(); 061 t.setStackTrace(stackTrace); 062 log(log,level,logName,msg,t); 063 } 064 065}