001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017 package org.apache.logging.log4j.core.config; 018 019 import org.apache.logging.log4j.core.config.plugins.Plugin; 020 import java.io.File; 021 022 /** 023 * 024 */ 025 @Plugin(name = "JSONConfigurationFactory", type = "ConfigurationFactory") 026 @Order(6) 027 public class JSONConfigurationFactory extends ConfigurationFactory { 028 029 /** 030 * The file extensions supported by this factory. 031 */ 032 public static final String[] SUFFIXES = new String[] {".json", ".jsn"}; 033 034 private static String[] dependencies = new String[] { 035 "org.codehaus.jackson.JsonNode", 036 "org.codehaus.jackson.map.ObjectMapper" 037 }; 038 039 private final File configFile = null; 040 041 private boolean isActive; 042 043 public JSONConfigurationFactory() { 044 try { 045 for (final String item : dependencies) { 046 Class.forName(item); 047 } 048 } catch (final ClassNotFoundException ex) { 049 LOGGER.debug("Missing dependencies for Json support"); 050 isActive = false; 051 return; 052 } 053 isActive = true; 054 } 055 056 @Override 057 protected boolean isActive() { 058 return isActive; 059 } 060 061 @Override 062 public Configuration getConfiguration(final ConfigurationSource source) { 063 if (!isActive) { 064 return null; 065 } 066 return new JSONConfiguration(source); 067 } 068 069 @Override 070 public String[] getSupportedTypes() { 071 return SUFFIXES; 072 } 073 }