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 java.io.File; 020 021 import org.apache.logging.log4j.core.config.plugins.Plugin; 022 023 /** 024 * 025 */ 026 @Plugin(name = "JSONConfigurationFactory", category = "ConfigurationFactory") 027 @Order(6) 028 public class JSONConfigurationFactory extends ConfigurationFactory { 029 030 /** 031 * The file extensions supported by this factory. 032 */ 033 public static final String[] SUFFIXES = new String[] {".json", ".jsn"}; 034 035 private static String[] dependencies = new String[] { 036 "com.fasterxml.jackson.databind.ObjectMapper", 037 "com.fasterxml.jackson.databind.JsonNode", 038 "com.fasterxml.jackson.core.JsonParser" 039 }; 040 041 private final File configFile = null; 042 043 private boolean isActive; 044 045 public JSONConfigurationFactory() { 046 try { 047 for (final String item : dependencies) { 048 Class.forName(item); 049 } 050 } catch (final ClassNotFoundException ex) { 051 LOGGER.debug("Missing dependencies for Json support"); 052 isActive = false; 053 return; 054 } 055 isActive = true; 056 } 057 058 @Override 059 protected boolean isActive() { 060 return isActive; 061 } 062 063 @Override 064 public Configuration getConfiguration(final ConfigurationSource source) { 065 if (!isActive) { 066 return null; 067 } 068 return new JSONConfiguration(source); 069 } 070 071 @Override 072 public String[] getSupportedTypes() { 073 return SUFFIXES; 074 } 075 }