| /* |
| * 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.bridge; |
| |
| import org.apache.log4j.Appender; |
| import org.apache.log4j.Layout; |
| import org.apache.log4j.helpers.AppenderAttachableImpl; |
| import org.apache.log4j.spi.AppenderAttachable; |
| import org.apache.log4j.spi.ErrorHandler; |
| import org.apache.log4j.spi.Filter; |
| import org.apache.log4j.spi.LoggingEvent; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.core.filter.AbstractFilterable; |
| import org.apache.logging.log4j.status.StatusLogger; |
| |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| /** |
| * Holds a Log4j 2 Appender in an empty Log4j 1 Appender so it can be extracted when constructing the configuration. |
| * Allows a Log4j 1 Appender to reference a Log4j 2 Appender. |
| */ |
| public class AppenderWrapper extends AppenderAttachableImpl implements Appender { |
| |
| private static final Logger LOGGER = StatusLogger.getLogger(); |
| private final org.apache.logging.log4j.core.Appender appender; |
| |
| public AppenderWrapper(org.apache.logging.log4j.core.Appender appender) { |
| this.appender = appender; |
| } |
| |
| public org.apache.logging.log4j.core.Appender getAppender() { |
| return appender; |
| } |
| |
| @Override |
| public void addFilter(Filter newFilter) { |
| if (appender instanceof AbstractFilterable) { |
| if (newFilter instanceof FilterWrapper) { |
| ((AbstractFilterable) appender).addFilter(((FilterWrapper) newFilter).getFilter()); |
| } else { |
| ((AbstractFilterable) appender).addFilter(new FilterAdapter(newFilter)); |
| } |
| } else { |
| LOGGER.warn("Unable to add filter to appender {}, it does not support filters", appender.getName()); |
| } |
| } |
| |
| @Override |
| public Filter getFilter() { |
| return null; |
| } |
| |
| @Override |
| public void clearFilters() { |
| |
| } |
| |
| @Override |
| public void close() { |
| // Not supported with Log4j 2. |
| } |
| |
| @Override |
| public void doAppend(LoggingEvent event) { |
| if (event instanceof LogEventAdapter) { |
| appender.append(((LogEventAdapter) event).getEvent()); |
| } |
| } |
| |
| @Override |
| public String getName() { |
| return appender.getName(); |
| } |
| |
| @Override |
| public void setErrorHandler(ErrorHandler errorHandler) { |
| appender.setHandler(new ErrorHandlerAdapter(errorHandler)); |
| } |
| |
| @Override |
| public ErrorHandler getErrorHandler() { |
| return ((ErrorHandlerAdapter)appender.getHandler()).getHandler(); |
| } |
| |
| @Override |
| public void setLayout(Layout layout) { |
| // Log4j 2 doesn't support this. |
| } |
| |
| @Override |
| public Layout getLayout() { |
| return new LayoutWrapper(appender.getLayout()); |
| } |
| |
| @Override |
| public void setName(String name) { |
| // Log4j 2 doesn't support this. |
| } |
| |
| @Override |
| public boolean requiresLayout() { |
| return false; |
| } |
| } |