spring-core provides custom variant of Commons Logging
Includes dependency updates (JavaMail 1.6 RC1, RxJava 2.0.8, Tomcat 8.5.13, Undertow 1.4.12, XNIO 3.4.5) Issue: SPR-14512
This commit is contained in:
Juergen Hoeller
216
spring-core/src/main/java/org/apache/commons/logging/Log.java
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216
spring-core/src/main/java/org/apache/commons/logging/Log.java
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@@ -0,0 +1,216 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.commons.logging;
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/**
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* A simple logging interface abstracting logging APIs. In order to be
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* instantiated successfully by {@link LogFactory}, classes that implement
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* this interface must have a constructor that takes a single String
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* parameter representing the "name" of this Log.
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* <p>
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* The six logging levels used by <code>Log</code> are (in order):
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* <ol>
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* <li>trace (the least serious)</li>
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* <li>debug</li>
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* <li>info</li>
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* <li>warn</li>
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* <li>error</li>
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* <li>fatal (the most serious)</li>
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* </ol>
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* The mapping of these log levels to the concepts used by the underlying
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* logging system is implementation dependent.
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* The implementation should ensure, though, that this ordering behaves
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* as expected.
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* <p>
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* Performance is often a logging concern.
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* By examining the appropriate property,
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* a component can avoid expensive operations (producing information
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* to be logged).
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* <p>
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* For example,
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* <pre>
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* if (log.isDebugEnabled()) {
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* ... do something expensive ...
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* log.debug(theResult);
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* }
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* </pre>
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* <p>
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* Configuration of the underlying logging system will generally be done
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* external to the Logging APIs, through whatever mechanism is supported by
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* that system.
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*
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* @version $Id: Log.java 1606045 2014-06-27 12:11:56Z tn $
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*/
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public interface Log {
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/**
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* Logs a message with debug log level.
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*
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* @param message log this message
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*/
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void debug(Object message);
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/**
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* Logs an error with debug log level.
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*
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* @param message log this message
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* @param t log this cause
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*/
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void debug(Object message, Throwable t);
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/**
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* Logs a message with error log level.
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*
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* @param message log this message
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*/
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void error(Object message);
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/**
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* Logs an error with error log level.
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*
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* @param message log this message
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* @param t log this cause
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*/
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void error(Object message, Throwable t);
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/**
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* Logs a message with fatal log level.
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*
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* @param message log this message
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*/
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void fatal(Object message);
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/**
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* Logs an error with fatal log level.
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*
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* @param message log this message
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* @param t log this cause
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*/
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void fatal(Object message, Throwable t);
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/**
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* Logs a message with info log level.
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*
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* @param message log this message
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*/
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void info(Object message);
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/**
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* Logs an error with info log level.
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*
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* @param message log this message
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* @param t log this cause
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*/
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void info(Object message, Throwable t);
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/**
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* Is debug logging currently enabled?
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* <p>
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* Call this method to prevent having to perform expensive operations
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* (for example, <code>String</code> concatenation)
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* when the log level is more than debug.
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*
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* @return true if debug is enabled in the underlying logger.
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*/
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boolean isDebugEnabled();
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/**
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* Is error logging currently enabled?
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* <p>
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* Call this method to prevent having to perform expensive operations
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* (for example, <code>String</code> concatenation)
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* when the log level is more than error.
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*
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* @return true if error is enabled in the underlying logger.
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*/
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boolean isErrorEnabled();
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/**
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* Is fatal logging currently enabled?
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* <p>
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* Call this method to prevent having to perform expensive operations
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* (for example, <code>String</code> concatenation)
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* when the log level is more than fatal.
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*
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* @return true if fatal is enabled in the underlying logger.
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*/
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boolean isFatalEnabled();
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/**
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* Is info logging currently enabled?
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* <p>
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* Call this method to prevent having to perform expensive operations
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* (for example, <code>String</code> concatenation)
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* when the log level is more than info.
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*
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* @return true if info is enabled in the underlying logger.
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*/
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boolean isInfoEnabled();
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/**
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* Is trace logging currently enabled?
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* <p>
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* Call this method to prevent having to perform expensive operations
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* (for example, <code>String</code> concatenation)
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* when the log level is more than trace.
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*
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* @return true if trace is enabled in the underlying logger.
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*/
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boolean isTraceEnabled();
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/**
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* Is warn logging currently enabled?
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* <p>
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* Call this method to prevent having to perform expensive operations
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* (for example, <code>String</code> concatenation)
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* when the log level is more than warn.
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*
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* @return true if warn is enabled in the underlying logger.
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*/
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boolean isWarnEnabled();
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/**
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* Logs a message with trace log level.
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*
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* @param message log this message
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*/
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void trace(Object message);
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/**
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* Logs an error with trace log level.
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*
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* @param message log this message
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* @param t log this cause
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*/
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void trace(Object message, Throwable t);
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/**
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* Logs a message with warn log level.
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*
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* @param message log this message
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*/
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void warn(Object message);
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/**
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* Logs an error with warn log level.
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*
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* @param message log this message
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* @param t log this cause
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*/
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void warn(Object message, Throwable t);
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}
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@@ -0,0 +1,553 @@
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/*
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* Copyright 2002-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.commons.logging;
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import java.io.Serializable;
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import org.apache.logging.log4j.Level;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.spi.ExtendedLogger;
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import org.apache.logging.log4j.spi.LoggerContext;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.slf4j.spi.LocationAwareLogger;
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/**
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* A minimal incarnation of Apache Commons Logging's {@code LogFactory} API,
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* providing just the two common static {@link Log} lookup methods.
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* This should be source and binary compatible with all common use of the
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* Commons Logging API (i.e. {@code LogFactory.getLog(Class/String)} setup).
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*
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* <p>This implementation does not support any of Commons Logging's flexible
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* configuration. It rather only checks for the presence of the Log4J 2.x API
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* and the SLF4J 1.7 API in the framework classpath, falling back to
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* {@code java.util.logging} if none of the two is available. In that sense,
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* it works as a replacement for the Log4j 2 Commons Logging bridge as well as
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* the JCL-over-SLF4J bridge, both of which become irrelevant for Spring-based
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* setups as a consequence (with no need for manual excludes of the standard
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* Commons Logging API jar anymore either). Furthermore, for simple setups
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* without an external logging provider, Spring does not require any extra jar
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* on the classpath anymore since this embedded log factory automatically
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* switches to {@code java.util.logging} in such a scenario.
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*
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* <p><b>Note that this Commons Logging variant is only meant to be used for
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* framework logging purposes, both in the core framework and in extensions.</b>
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* For applications, prefer direct use of Log4J or SLF4J or {@code java.util.logging}.
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*
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* @author Juergen Hoeller
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* @since 5.0
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*/
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public abstract class LogFactory {
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private static LogApi logApi = LogApi.JUL;
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static {
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ClassLoader cl = LogFactory.class.getClassLoader();
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try {
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// Try Log4J 2.x API
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cl.loadClass("org.apache.logging.log4j.spi.LoggerContext");
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logApi = LogApi.LOG4J;
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}
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catch (ClassNotFoundException ex) {
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try {
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// Try SLF4J 1.7 API
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cl.loadClass("org.slf4j.LoggerFactory");
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logApi = LogApi.SLF4J;
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}
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catch (ClassNotFoundException ex2) {
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// Keep java.util.logging as default
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}
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}
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}
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/**
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* Convenience method to return a named logger.
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* @param clazz containing Class from which a log name will be derived
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*/
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public static Log getLog(Class<?> clazz) {
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return getLog(clazz.getName());
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}
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/**
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* Convenience method to return a named logger.
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* @param name logical name of the <code>Log</code> instance to be returned
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*/
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public static Log getLog(String name) {
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switch (logApi) {
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case LOG4J:
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return Log4jDelegate.createLog(name);
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case SLF4J:
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return Slf4jDelegate.createLog(name);
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default:
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return new JavaUtilLog(name);
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}
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}
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private enum LogApi {LOG4J, SLF4J, JUL}
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private static class Log4jDelegate {
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public static Log createLog(String name) {
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return new Log4jLog(name);
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}
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}
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private static class Slf4jDelegate {
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public static Log createLog(String name) {
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return new Slf4jLog(name);
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}
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}
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@SuppressWarnings("serial")
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private static class Log4jLog implements Log, Serializable {
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private static final String FQCN = Log4jLog.class.getName();
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private static final LoggerContext loggerContext = LogManager.getContext();
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private final ExtendedLogger logger;
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public Log4jLog(String name) {
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this.logger = loggerContext.getLogger(name);
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}
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@Override
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public boolean isDebugEnabled() {
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return logger.isEnabled(Level.DEBUG, null, null);
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}
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@Override
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public boolean isErrorEnabled() {
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return logger.isEnabled(Level.ERROR, null, null);
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}
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@Override
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public boolean isFatalEnabled() {
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return logger.isEnabled(Level.FATAL, null, null);
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}
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@Override
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public boolean isInfoEnabled() {
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return logger.isEnabled(Level.INFO, null, null);
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}
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@Override
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public boolean isTraceEnabled() {
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return logger.isEnabled(Level.TRACE, null, null);
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}
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@Override
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public boolean isWarnEnabled() {
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return logger.isEnabled(Level.WARN, null, null);
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}
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@Override
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public void debug(Object message) {
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logger.logIfEnabled(FQCN, Level.DEBUG, null, message, null);
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}
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@Override
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public void debug(Object message, Throwable exception) {
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logger.logIfEnabled(FQCN, Level.DEBUG, null, message, exception);
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}
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@Override
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public void error(Object message) {
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logger.logIfEnabled(FQCN, Level.ERROR, null, message, null);
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}
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@Override
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public void error(Object message, Throwable exception) {
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logger.logIfEnabled(FQCN, Level.ERROR, null, message, exception);
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}
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@Override
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public void fatal(Object message) {
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logger.logIfEnabled(FQCN, Level.FATAL, null, message, null);
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}
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@Override
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public void fatal(Object message, Throwable exception) {
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logger.logIfEnabled(FQCN, Level.FATAL, null, message, exception);
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}
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@Override
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public void info(Object message) {
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logger.logIfEnabled(FQCN, Level.INFO, null, message, null);
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}
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@Override
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public void info(Object message, Throwable exception) {
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logger.logIfEnabled(FQCN, Level.INFO, null, message, exception);
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}
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@Override
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public void trace(Object message) {
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logger.logIfEnabled(FQCN, Level.TRACE, null, message, null);
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}
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@Override
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public void trace(Object message, Throwable exception) {
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logger.logIfEnabled(FQCN, Level.TRACE, null, message, exception);
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}
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@Override
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public void warn(Object message) {
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logger.logIfEnabled(FQCN, Level.WARN, null, message, null);
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}
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@Override
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public void warn(Object message, Throwable exception) {
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logger.logIfEnabled(FQCN, Level.WARN, null, message, exception);
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}
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}
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@SuppressWarnings("serial")
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private static class Slf4jLog implements Log, Serializable {
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private static final String FQCN = Slf4jLog.class.getName();
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private final String name;
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private transient Logger logger;
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private transient LocationAwareLogger locLogger;
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public Slf4jLog(String name) {
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this.name = name;
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this.logger = LoggerFactory.getLogger(this.name);
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this.locLogger = (this.logger instanceof LocationAwareLogger ? (LocationAwareLogger) this.logger : null);
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}
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public boolean isDebugEnabled() {
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return this.logger.isDebugEnabled();
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}
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public boolean isErrorEnabled() {
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return this.logger.isErrorEnabled();
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}
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public boolean isFatalEnabled() {
|
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return this.logger.isErrorEnabled();
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}
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public boolean isInfoEnabled() {
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return this.logger.isInfoEnabled();
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}
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public boolean isTraceEnabled() {
|
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return this.logger.isTraceEnabled();
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}
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public boolean isWarnEnabled() {
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return this.logger.isWarnEnabled();
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}
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public void debug(Object message) {
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if (this.locLogger != null) {
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this.locLogger.log(null, FQCN, LocationAwareLogger.DEBUG_INT, String.valueOf(message), null, null);
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}
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else {
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this.logger.debug(String.valueOf(message));
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}
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}
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public void debug(Object message, Throwable exception) {
|
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if (this.locLogger != null) {
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this.locLogger.log(null, FQCN, LocationAwareLogger.DEBUG_INT, String.valueOf(message), null, exception);
|
||||
}
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||||
else {
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this.logger.debug(String.valueOf(message), exception);
|
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}
|
||||
}
|
||||
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public void error(Object message) {
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if (this.locLogger != null) {
|
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this.locLogger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, null);
|
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}
|
||||
else {
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this.logger.error(String.valueOf(message));
|
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}
|
||||
}
|
||||
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public void error(Object message, Throwable exception) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, exception);
|
||||
}
|
||||
else {
|
||||
this.logger.error(String.valueOf(message), exception);
|
||||
}
|
||||
}
|
||||
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public void fatal(Object message) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, null);
|
||||
}
|
||||
else {
|
||||
this.logger.error(String.valueOf(message));
|
||||
}
|
||||
}
|
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|
||||
public void fatal(Object message, Throwable exception) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.ERROR_INT, String.valueOf(message), null, exception);
|
||||
}
|
||||
else {
|
||||
this.logger.error(String.valueOf(message), exception);
|
||||
}
|
||||
}
|
||||
|
||||
public void info(Object message) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.INFO_INT, String.valueOf(message), null, null);
|
||||
}
|
||||
else {
|
||||
this.logger.info(String.valueOf(message));
|
||||
}
|
||||
}
|
||||
|
||||
public void info(Object message, Throwable exception) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.INFO_INT, String.valueOf(message), null, exception);
|
||||
}
|
||||
else {
|
||||
this.logger.info(String.valueOf(message), exception);
|
||||
}
|
||||
}
|
||||
|
||||
public void trace(Object message) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.TRACE_INT, String.valueOf(message), null, null);
|
||||
}
|
||||
else {
|
||||
this.logger.trace(String.valueOf(message));
|
||||
}
|
||||
}
|
||||
|
||||
public void trace(Object message, Throwable exception) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.TRACE_INT, String.valueOf(message), null, exception);
|
||||
}
|
||||
else {
|
||||
this.logger.trace(String.valueOf(message), exception);
|
||||
}
|
||||
}
|
||||
|
||||
public void warn(Object message) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.WARN_INT, String.valueOf(message), null, null);
|
||||
}
|
||||
else {
|
||||
this.logger.warn(String.valueOf(message));
|
||||
}
|
||||
}
|
||||
|
||||
public void warn(Object message, Throwable exception) {
|
||||
if (this.locLogger != null) {
|
||||
this.locLogger.log(null, FQCN, LocationAwareLogger.WARN_INT, String.valueOf(message), null, exception);
|
||||
}
|
||||
else {
|
||||
this.logger.warn(String.valueOf(message), exception);
|
||||
}
|
||||
}
|
||||
|
||||
protected Object readResolve() {
|
||||
return new Slf4jLog(this.name);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@SuppressWarnings("serial")
|
||||
private static class JavaUtilLog implements Log, Serializable {
|
||||
|
||||
private String name;
|
||||
|
||||
private transient java.util.logging.Logger logger;
|
||||
|
||||
public JavaUtilLog(String name) {
|
||||
this.name = name;
|
||||
this.logger = java.util.logging.Logger.getLogger(name);
|
||||
}
|
||||
|
||||
public boolean isDebugEnabled() {
|
||||
return this.logger.isLoggable(java.util.logging.Level.FINE);
|
||||
}
|
||||
|
||||
public boolean isErrorEnabled() {
|
||||
return this.logger.isLoggable(java.util.logging.Level.SEVERE);
|
||||
}
|
||||
|
||||
public boolean isFatalEnabled() {
|
||||
return this.logger.isLoggable(java.util.logging.Level.SEVERE);
|
||||
}
|
||||
|
||||
public boolean isInfoEnabled() {
|
||||
return this.logger.isLoggable(java.util.logging.Level.INFO);
|
||||
}
|
||||
|
||||
public boolean isTraceEnabled() {
|
||||
return this.logger.isLoggable(java.util.logging.Level.FINEST);
|
||||
}
|
||||
|
||||
public boolean isWarnEnabled() {
|
||||
return this.logger.isLoggable(java.util.logging.Level.WARNING);
|
||||
}
|
||||
|
||||
public void debug(Object message) {
|
||||
log(java.util.logging.Level.FINE, message, null);
|
||||
}
|
||||
|
||||
public void debug(Object message, Throwable exception) {
|
||||
log(java.util.logging.Level.FINE, message, exception);
|
||||
}
|
||||
|
||||
public void error(Object message) {
|
||||
log(java.util.logging.Level.SEVERE, message, null);
|
||||
}
|
||||
|
||||
public void error(Object message, Throwable exception) {
|
||||
log(java.util.logging.Level.SEVERE, message, exception);
|
||||
}
|
||||
|
||||
public void fatal(Object message) {
|
||||
log(java.util.logging.Level.SEVERE, message, null);
|
||||
}
|
||||
|
||||
public void fatal(Object message, Throwable exception) {
|
||||
log(java.util.logging.Level.SEVERE, message, exception);
|
||||
}
|
||||
|
||||
public void info(Object message) {
|
||||
log(java.util.logging.Level.INFO, message, null);
|
||||
}
|
||||
|
||||
public void info(Object message, Throwable exception) {
|
||||
log(java.util.logging.Level.INFO, message, exception);
|
||||
}
|
||||
|
||||
public void trace(Object message) {
|
||||
log(java.util.logging.Level.FINEST, message, null);
|
||||
}
|
||||
|
||||
public void trace(Object message, Throwable exception) {
|
||||
log(java.util.logging.Level.FINEST, message, exception);
|
||||
}
|
||||
|
||||
public void warn(Object message) {
|
||||
log(java.util.logging.Level.WARNING, message, null);
|
||||
}
|
||||
|
||||
public void warn(Object message, Throwable exception) {
|
||||
log(java.util.logging.Level.WARNING, message, exception);
|
||||
}
|
||||
|
||||
private void log(java.util.logging.Level level, Object message, Throwable exception) {
|
||||
if (logger.isLoggable(level)) {
|
||||
LocationResolvingLogRecord rec = new LocationResolvingLogRecord(level, String.valueOf(message));
|
||||
rec.setLoggerName(this.name);
|
||||
rec.setResourceBundleName(logger.getResourceBundleName());
|
||||
rec.setResourceBundle(logger.getResourceBundle());
|
||||
rec.setThrown(exception);
|
||||
logger.log(rec);
|
||||
}
|
||||
}
|
||||
|
||||
protected Object readResolve() {
|
||||
return new JavaUtilLog(this.name);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@SuppressWarnings("serial")
|
||||
private static class LocationResolvingLogRecord extends java.util.logging.LogRecord {
|
||||
|
||||
private static final String FQCN = JavaUtilLog.class.getName();
|
||||
|
||||
private volatile boolean resolved;
|
||||
|
||||
public LocationResolvingLogRecord(java.util.logging.Level level, String msg) {
|
||||
super(level, msg);
|
||||
}
|
||||
|
||||
public String getSourceClassName() {
|
||||
if (!this.resolved) {
|
||||
resolve();
|
||||
}
|
||||
return super.getSourceClassName();
|
||||
}
|
||||
|
||||
public void setSourceClassName(String sourceClassName) {
|
||||
super.setSourceClassName(sourceClassName);
|
||||
this.resolved = true;
|
||||
}
|
||||
|
||||
public String getSourceMethodName() {
|
||||
if (!this.resolved) {
|
||||
resolve();
|
||||
}
|
||||
return super.getSourceMethodName();
|
||||
}
|
||||
|
||||
public void setSourceMethodName(String sourceMethodName) {
|
||||
super.setSourceMethodName(sourceMethodName);
|
||||
this.resolved = true;
|
||||
}
|
||||
|
||||
private void resolve() {
|
||||
StackTraceElement[] stack = new Throwable().getStackTrace();
|
||||
String sourceClassName = null;
|
||||
String sourceMethodName = null;
|
||||
boolean found = false;
|
||||
for (StackTraceElement element : stack) {
|
||||
String className = element.getClassName();
|
||||
if (FQCN.equals(className)) {
|
||||
found = true;
|
||||
}
|
||||
else if (found) {
|
||||
sourceClassName = className;
|
||||
sourceMethodName = element.getMethodName();
|
||||
break;
|
||||
}
|
||||
}
|
||||
setSourceClassName(sourceClassName);
|
||||
setSourceMethodName(sourceMethodName);
|
||||
}
|
||||
|
||||
protected Object writeReplace() {
|
||||
java.util.logging.LogRecord serialized = new java.util.logging.LogRecord(getLevel(), getMessage());
|
||||
serialized.setLoggerName(getLoggerName());
|
||||
serialized.setResourceBundle(getResourceBundle());
|
||||
serialized.setResourceBundleName(getResourceBundleName());
|
||||
serialized.setSourceClassName(getSourceClassName());
|
||||
serialized.setSourceMethodName(getSourceMethodName());
|
||||
serialized.setSequenceNumber(getSequenceNumber());
|
||||
serialized.setParameters(getParameters());
|
||||
serialized.setThreadID(getThreadID());
|
||||
serialized.setMillis(getMillis());
|
||||
serialized.setThrown(getThrown());
|
||||
return serialized;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,16 @@
|
||||
/**
|
||||
* Spring's variant of the
|
||||
* <a href="http://commons.apache.org/logging">Commons Logging API</a>
|
||||
* (for internal use only).
|
||||
*
|
||||
* <p>{@link org.apache.commons.logging.Log} is an unmodified repackaging.
|
||||
* However, {@link org.apache.commons.logging.LogFactory} is a very different
|
||||
* implementation which is minimized and optimized for Spring's purposes,
|
||||
* detecting Log4J 2.x and SLF4J 1.7 in the framework classpath and falling
|
||||
* back to {@code java.util.logging}.
|
||||
*
|
||||
* <p>Note that this Commons Logging variant is only meant to be used for
|
||||
* framework logging purposes, both in the core framework and in extensions.
|
||||
* For applications, prefer direct use of Log4J or SLF4J or {@code java.util.logging}.
|
||||
*/
|
||||
package org.apache.commons.logging;
|
||||
Reference in New Issue
Block a user