| /* |
| * 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.taglib; |
| |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.PageContext; |
| import javax.servlet.jsp.tagext.BodyTagSupport; |
| |
| /** |
| * An abstract class for all tags that are logger-aware. |
| * |
| * @since 2.0 |
| */ |
| abstract class LoggerAwareTagSupport extends BodyTagSupport { |
| private static final long serialVersionUID = 1L; |
| |
| private transient Log4jTaglibLoggerContext loggerContext; |
| |
| private transient Object logger; |
| |
| protected LoggerAwareTagSupport() { |
| this.init(); |
| } |
| |
| protected void init() { |
| this.logger = null; |
| } |
| |
| @Override |
| public final void release() { |
| super.release(); |
| this.init(); |
| } |
| |
| @Override |
| public final void setPageContext(final PageContext pageContext) { |
| super.setPageContext(pageContext); |
| this.loggerContext = Log4jTaglibLoggerContext.getInstance(pageContext.getServletContext()); |
| } |
| |
| protected final Log4jTaglibLogger getLogger() throws JspException { |
| if (this.logger != null) { |
| return TagUtils.resolveLogger(this.loggerContext, this.logger, null); |
| } |
| Log4jTaglibLogger logger = TagUtils.getDefaultLogger(this.pageContext); |
| if (logger == null) { |
| final String name = this.pageContext.getPage().getClass().getName(); |
| logger = TagUtils.resolveLogger(this.loggerContext, name, null); |
| TagUtils.setDefaultLogger(this.pageContext, logger); |
| } |
| return logger; |
| } |
| |
| public final void setLogger(final Object logger) { |
| this.logger = logger; |
| } |
| } |