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Source Code for Apache Log4j 1.2 Bridge
Apache Log4j 1.2 Bridge allows applications coded to use Log4j 1.2 API to use Log4j 2 instead.
Bytecode (Java 8) for Apache Log4j 1.2 Bridge is provided in a separate JAR file like log4j-1.2-api-2.14.1.jar.
Source Code files for Apache Log4j 1.2 Bridge are provided in both binary packge like apache-log4j-2.14.1-bin.zip and source package like apache-log4j-2.14.1-src.zip. You can download them at Apache Log4j Website.
You can also browse Source Code files for Apache Log4j 1.2 Bridge 2.14.1 below.
✍: FYIcenter.com
⏎ org/apache/log4j/builders/BuilderManager.java
/* * 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.builders; import org.apache.log4j.Appender; import org.apache.log4j.Layout; import org.apache.log4j.builders.appender.AppenderBuilder; import org.apache.log4j.builders.filter.FilterBuilder; import org.apache.log4j.builders.layout.LayoutBuilder; import org.apache.log4j.builders.rewrite.RewritePolicyBuilder; import org.apache.log4j.config.PropertiesConfiguration; import org.apache.log4j.rewrite.RewritePolicy; import org.apache.log4j.spi.Filter; import org.apache.log4j.xml.XmlConfiguration; import org.apache.logging.log4j.Logger; import org.apache.logging.log4j.core.config.plugins.util.PluginManager; import org.apache.logging.log4j.core.config.plugins.util.PluginType; import org.apache.logging.log4j.status.StatusLogger; import org.apache.logging.log4j.util.LoaderUtil; import org.w3c.dom.Element; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; import java.util.Map; import java.util.Properties; /** * */ public class BuilderManager { public static final String CATEGORY = "Log4j Builder"; private static final Logger LOGGER = StatusLogger.getLogger(); private final Map<String, PluginType<?>> plugins; private static Class<?>[] constructorParams = new Class[] { String.class, Properties.class}; public BuilderManager() { final PluginManager manager = new PluginManager(CATEGORY); manager.collectPlugins(); plugins = manager.getPlugins(); } public Appender parseAppender(String className, Element appenderElement, XmlConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { try { AppenderBuilder builder = (AppenderBuilder) LoaderUtil.newInstanceOf(plugin.getPluginClass()); return builder.parseAppender(appenderElement, config); } catch (InstantiationException | IllegalAccessException | InvocationTargetException ex) { LOGGER.warn("Unable to load plugin: {} due to: {}", plugin.getKey(), ex.getMessage()); } } return null; } public Appender parseAppender(String name, String className, String prefix, String layoutPrefix, String filterPrefix, Properties props, PropertiesConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { AppenderBuilder builder = createBuilder(plugin, prefix, props); if (builder != null) { return builder.parseAppender(name, prefix, layoutPrefix, filterPrefix, props, config); } } return null; } public Filter parseFilter(String className, Element filterElement, XmlConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { try { FilterBuilder builder = (FilterBuilder) LoaderUtil.newInstanceOf(plugin.getPluginClass()); return builder.parseFilter(filterElement, config); } catch (InstantiationException | IllegalAccessException | InvocationTargetException ex) { LOGGER.warn("Unable to load plugin: {} due to: {}", plugin.getKey(), ex.getMessage()); } } return null; } public Filter parseFilter(String className, String filterPrefix, Properties props, PropertiesConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { FilterBuilder builder = createBuilder(plugin, filterPrefix, props); if (builder != null) { return builder.parseFilter(config); } } return null; } public Layout parseLayout(String className, Element layoutElement, XmlConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { try { LayoutBuilder builder = (LayoutBuilder) LoaderUtil.newInstanceOf(plugin.getPluginClass()); return builder.parseLayout(layoutElement, config); } catch (InstantiationException | IllegalAccessException | InvocationTargetException ex) { LOGGER.warn("Unable to load plugin: {} due to: {}", plugin.getKey(), ex.getMessage()); } } return null; } public Layout parseLayout(String className, String layoutPrefix, Properties props, PropertiesConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { LayoutBuilder builder = createBuilder(plugin, layoutPrefix, props); if (builder != null) { return builder.parseLayout(config); } } return null; } public RewritePolicy parseRewritePolicy(String className, Element rewriteElement, XmlConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { try { RewritePolicyBuilder builder = (RewritePolicyBuilder) LoaderUtil.newInstanceOf(plugin.getPluginClass()); return builder.parseRewritePolicy(rewriteElement, config); } catch (InstantiationException | IllegalAccessException | InvocationTargetException ex) { LOGGER.warn("Unable to load plugin: {} due to: {}", plugin.getKey(), ex.getMessage()); } } return null; } public RewritePolicy parseRewritePolicy(String className, String policyPrefix, Properties props, PropertiesConfiguration config) { PluginType<?> plugin = plugins.get(className.toLowerCase()); if (plugin != null) { RewritePolicyBuilder builder = createBuilder(plugin, policyPrefix, props); if (builder != null) { return builder.parseRewritePolicy(config); } } return null; } private <T extends AbstractBuilder> T createBuilder(PluginType<?> plugin, String prefix, Properties props) { try { Class<?> clazz = plugin.getPluginClass(); if (AbstractBuilder.class.isAssignableFrom(clazz)) { @SuppressWarnings("unchecked") Constructor<T> constructor = (Constructor<T>) clazz.getConstructor(constructorParams); return constructor.newInstance(prefix, props); } @SuppressWarnings("unchecked") T builder = (T) LoaderUtil.newInstanceOf(clazz); return builder; } catch (NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException ex) { LOGGER.warn("Unable to load plugin: {} due to: {}", plugin.getKey(), ex.getMessage()); return null; } } }
⏎ org/apache/log4j/builders/BuilderManager.java
Or download all of them as a single archive file:
File name: log4j-1.2-api-2.14.1-sources.jar File size: 168047 bytes Release date: 2021-03-06 Download
⇒ Source Code for Apache Log4j JMX GUI
⇐ Source Code for Apache Log4j Flume Appender
2015-11-17, 30414👍, 0💬
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