X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=unused%2Fsrcjar_unused%2Forg%2Fapache%2Flog4j%2Fvaria%2FFallbackErrorHandler.java;fp=unused%2Fsrcjar_unused%2Forg%2Fapache%2Flog4j%2Fvaria%2FFallbackErrorHandler.java;h=0000000000000000000000000000000000000000;hb=4f77328104498504339216829abf5ea87e2791ec;hp=7cbc87de4c4880e46384e616029ea80a631b9311;hpb=2b8c0785318a3528e1876e8e2dd48b7d831eae69;p=jalview.git diff --git a/unused/srcjar_unused/org/apache/log4j/varia/FallbackErrorHandler.java b/unused/srcjar_unused/org/apache/log4j/varia/FallbackErrorHandler.java deleted file mode 100644 index 7cbc87d..0000000 --- a/unused/srcjar_unused/org/apache/log4j/varia/FallbackErrorHandler.java +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.apache.log4j.varia; - -import org.apache.log4j.spi.ErrorHandler; -import org.apache.log4j.spi.LoggingEvent; -import org.apache.log4j.Appender; -import org.apache.log4j.Logger; -import org.apache.log4j.helpers.LogLog; -import java.util.Vector; -import java.io.InterruptedIOException; - -/** - * - * The FallbackErrorHandler implements the ErrorHandler - * interface such that a secondary appender may be specified. This - * secondary appender takes over if the primary appender fails for - * whatever reason. - * - *

The error message is printed on System.err, and - * logged in the new secondary appender. - * - * @author Ceki Gücü - * */ -public class FallbackErrorHandler implements ErrorHandler { - - - Appender backup; - Appender primary; - Vector loggers; - - public FallbackErrorHandler() { - } - - - /** - Adds the logger passed as parameter to the list of - loggers that we need to search for in case of appender failure. - */ - public - void setLogger(Logger logger) { - LogLog.debug("FB: Adding logger [" + logger.getName() + "]."); - if(loggers == null) { - loggers = new Vector(); - } - loggers.addElement(logger); - } - - - /** - No options to activate. - */ - public - void activateOptions() { - } - - - /** - Prints the message and the stack trace of the exception on - System.err. */ - public - void error(String message, Exception e, int errorCode) { - error(message, e, errorCode, null); - } - - /** - Prints the message and the stack trace of the exception on - System.err. - */ - public - void error(String message, Exception e, int errorCode, LoggingEvent event) { - if (e instanceof InterruptedIOException) { - Thread.currentThread().interrupt(); - } - LogLog.debug("FB: The following error reported: " + message, e); - LogLog.debug("FB: INITIATING FALLBACK PROCEDURE."); - if (loggers != null) { - for(int i = 0; i < loggers.size(); i++) { - Logger l = (Logger) loggers.elementAt(i); - LogLog.debug("FB: Searching for ["+primary.getName()+"] in logger [" - +l.getName() + "]."); - LogLog.debug("FB: Replacing ["+primary.getName()+"] by [" - + backup.getName() + "] in logger ["+ l.getName() +"]."); - l.removeAppender(primary); - LogLog.debug("FB: Adding appender ["+backup.getName()+"] to logger " - + l.getName()); - l.addAppender(backup); - } - } - } - - - /** - Print a the error message passed as parameter on - System.err. - */ - public - void error(String message) { - //if(firstTime) { - //LogLog.error(message); - //firstTime = false; - //} - } - - /** - The appender to which this error handler is attached. - */ - public - void setAppender(Appender primary) { - LogLog.debug("FB: Setting primary appender to [" + primary.getName() + "]."); - this.primary = primary; - } - - /** - Set the backup appender. - */ - public - void setBackupAppender(Appender backup) { - LogLog.debug("FB: Setting backup appender to [" + backup.getName() + "]."); - this.backup = backup; - } - -}