| /* |
| * 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.logging.log4j.core.appender; |
| |
| import org.apache.logging.log4j.core.Filter; |
| import org.apache.logging.log4j.core.Layout; |
| import org.apache.logging.log4j.core.config.plugins.Plugin; |
| import org.apache.logging.log4j.core.config.plugins.PluginAttr; |
| import org.apache.logging.log4j.core.config.plugins.PluginElement; |
| import org.apache.logging.log4j.core.config.plugins.PluginFactory; |
| import org.apache.logging.log4j.core.filter.Filters; |
| |
| import java.io.FileNotFoundException; |
| import java.io.FileOutputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * |
| */ |
| @Plugin(name="File",type="Core",elementType="appender") |
| public class FileAppender extends OutputStreamAppender { |
| |
| public static final String FILE_NAME = "fileName"; |
| public static final String APPEND = "append"; |
| public final String fileName; |
| |
| public FileAppender(String name, Layout layout, Filters filters, OutputStream os, String filename) { |
| super(name, layout, filters, os); |
| this.fileName = filename; |
| } |
| |
| @PluginFactory |
| public static FileAppender createAppender(@PluginAttr("fileName") String fileName, |
| @PluginAttr("append") String append, |
| @PluginAttr("name") String name, |
| @PluginElement("layout") Layout layout, |
| @PluginElement("filters") Filters filters) { |
| |
| boolean isAppend = append == null ? true : Boolean.valueOf(append); |
| |
| if (name == null) { |
| logger.error("No name provided for FileAppender"); |
| return null; |
| } |
| |
| if (fileName == null) { |
| logger.error("No filename provided for FileAppender with name " + name); |
| return null; |
| } |
| |
| try { |
| OutputStream os = new FileOutputStream(fileName, isAppend); |
| return new FileAppender(name, layout, filters, os, fileName); |
| } catch (FileNotFoundException ex) { |
| logger.error("Unable to open file " + fileName, ex); |
| return null; |
| } |
| } |
| } |