Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (101)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (309)
Collections:
Other Resources:
SLF4J API Source Code
SLF4J API is a simple API that allows to plug in any desired logging library at deployment time.
Here is the source code for SLF4J API 2.0.4. You can download its pre-compiled version slf4j-api-2.0.4.jar at SLF4J Download Website.
✍: FYIcenter.com
⏎ org/slf4j/MDC.java
/** * Copyright (c) 2004-2011 QOS.ch * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ package org.slf4j; import java.io.Closeable; import java.util.Deque; import java.util.Map; import org.slf4j.helpers.BasicMDCAdapter; import org.slf4j.helpers.NOPMDCAdapter; import org.slf4j.helpers.Util; import org.slf4j.spi.MDCAdapter; import org.slf4j.spi.SLF4JServiceProvider; /** * This class hides and serves as a substitute for the underlying logging * system's MDC implementation. * * <p> * If the underlying logging system offers MDC functionality, then SLF4J's MDC, * i.e. this class, will delegate to the underlying system's MDC. Note that at * this time, only two logging systems, namely log4j and logback, offer MDC * functionality. For java.util.logging which does not support MDC, * {@link BasicMDCAdapter} will be used. For other systems, i.e. slf4j-simple * and slf4j-nop, {@link NOPMDCAdapter} will be used. * * <p> * Thus, as a SLF4J user, you can take advantage of MDC in the presence of log4j, * logback, or java.util.logging, but without forcing these systems as * dependencies upon your users. * * <p> * For more information on MDC please see the <a * href="http://logback.qos.ch/manual/mdc.html">chapter on MDC</a> in the * logback manual. * * <p> * Please note that all methods in this class are static. * * @author Ceki Gülcü * @since 1.4.1 */ public class MDC { static final String NULL_MDCA_URL = "http://www.slf4j.org/codes.html#null_MDCA"; private static final String MDC_APAPTER_CANNOT_BE_NULL_MESSAGE = "MDCAdapter cannot be null. See also " + NULL_MDCA_URL; static final String NO_STATIC_MDC_BINDER_URL = "http://www.slf4j.org/codes.html#no_static_mdc_binder"; static MDCAdapter mdcAdapter; /** * An adapter to remove the key when done. */ public static class MDCCloseable implements Closeable { private final String key; private MDCCloseable(String key) { this.key = key; } public void close() { MDC.remove(this.key); } } private MDC() { } static { SLF4JServiceProvider provider = LoggerFactory.getProvider(); if (provider != null) { mdcAdapter = provider.getMDCAdapter(); } else { Util.report("Failed to find provider."); Util.report("Defaulting to no-operation MDCAdapter implementation."); mdcAdapter = new NOPMDCAdapter(); } } /** * Put a diagnostic context value (the <code>val</code> parameter) as identified with the * <code>key</code> parameter into the current thread's diagnostic context map. The * <code>key</code> parameter cannot be null. The <code>val</code> parameter * can be null only if the underlying implementation supports it. * * <p> * This method delegates all work to the MDC of the underlying logging system. * * @param key non-null key * @param val value to put in the map * * @throws IllegalArgumentException * in case the "key" parameter is null */ public static void put(String key, String val) throws IllegalArgumentException { if (key == null) { throw new IllegalArgumentException("key parameter cannot be null"); } if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } mdcAdapter.put(key, val); } /** * Put a diagnostic context value (the <code>val</code> parameter) as identified with the * <code>key</code> parameter into the current thread's diagnostic context map. The * <code>key</code> parameter cannot be null. The <code>val</code> parameter * can be null only if the underlying implementation supports it. * * <p> * This method delegates all work to the MDC of the underlying logging system. * <p> * This method return a <code>Closeable</code> object who can remove <code>key</code> when * <code>close</code> is called. * * <p> * Useful with Java 7 for example : * <code> * try(MDC.MDCCloseable closeable = MDC.putCloseable(key, value)) { * .... * } * </code> * * @param key non-null key * @param val value to put in the map * @return a <code>Closeable</code> who can remove <code>key</code> when <code>close</code> * is called. * * @throws IllegalArgumentException * in case the "key" parameter is null */ public static MDCCloseable putCloseable(String key, String val) throws IllegalArgumentException { put(key, val); return new MDCCloseable(key); } /** * Get the diagnostic context identified by the <code>key</code> parameter. The * <code>key</code> parameter cannot be null. * * <p> * This method delegates all work to the MDC of the underlying logging system. * * @param key a key * @return the string value identified by the <code>key</code> parameter. * @throws IllegalArgumentException * in case the "key" parameter is null */ public static String get(String key) throws IllegalArgumentException { if (key == null) { throw new IllegalArgumentException("key parameter cannot be null"); } if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } return mdcAdapter.get(key); } /** * Remove the diagnostic context identified by the <code>key</code> parameter using * the underlying system's MDC implementation. The <code>key</code> parameter * cannot be null. This method does nothing if there is no previous value * associated with <code>key</code>. * * @param key a key * @throws IllegalArgumentException * in case the "key" parameter is null */ public static void remove(String key) throws IllegalArgumentException { if (key == null) { throw new IllegalArgumentException("key parameter cannot be null"); } if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } mdcAdapter.remove(key); } /** * Clear all entries in the MDC of the underlying implementation. */ public static void clear() { if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } mdcAdapter.clear(); } /** * Return a copy of the current thread's context map, with keys and values of * type String. Returned value may be null. * * @return A copy of the current thread's context map. May be null. * @since 1.5.1 */ public static Map<String, String> getCopyOfContextMap() { if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } return mdcAdapter.getCopyOfContextMap(); } /** * Set the current thread's context map by first clearing any existing map and * then copying the map passed as parameter. The context map passed as * parameter must only contain keys and values of type String. * * Null valued argument is allowed (since SLF4J version 2.0.0). * * @param contextMap * must contain only keys and values of type String * @since 1.5.1 */ public static void setContextMap(Map<String, String> contextMap) { if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } mdcAdapter.setContextMap(contextMap); } /** * Returns the MDCAdapter instance currently in use. * * @return the MDcAdapter instance currently in use. * @since 1.4.2 */ public static MDCAdapter getMDCAdapter() { return mdcAdapter; } /** * Push a value into the deque(stack) referenced by 'key'. * * @param key identifies the appropriate stack * @param value the value to push into the stack * @since 2.0.0 */ static public void pushByKey(String key, String value) { if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } mdcAdapter.pushByKey(key, value); } /** * Pop the stack referenced by 'key' and return the value possibly null. * * @param key identifies the deque(stack) * @return the value just popped. May be null/ * @since 2.0.0 */ static public String popByKey(String key) { if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } return mdcAdapter.popByKey(key); } /** * Returns a copy of the deque(stack) referenced by 'key'. May be null. * * @param key identifies the stack * @return copy of stack referenced by 'key'. May be null. * * @since 2.0.0 */ public Deque<String> getCopyOfDequeByKey(String key) { if (mdcAdapter == null) { throw new IllegalStateException(MDC_APAPTER_CANNOT_BE_NULL_MESSAGE); } return mdcAdapter.getCopyOfDequeByKey(key); } }
⏎ org/slf4j/MDC.java
Or download all of them as a single archive file:
File name: slf4j-api-2.0.4-sources.jar File size: 70304 bytes Release date: 2022-11-17 Download
⇒ Source Code for SLF4J Simple Logging
⇐ Downloading SLF4J Components
2020-02-13, 26609👍, 2💬
Popular Posts:
What Is ojdbc7.jar for Oracle 12c R1? ojdbc7.jar for Oracle 12c R1 is the JAR files of ojdbc.jar, JD...
ASM is an all purpose Java bytecode manipulation and analysis framework. It can be used to modify ex...
JDK 11 java.xml.crypto.jmod is the JMOD file for JDK 11 XML (eXtensible Markup Language) Crypto modu...
What is jxl.jar 2.6.12? jxl.jar 2.6.12 is the JAR file for Java Excel API 2.6.12, which is a Java li...
What Is poi-scratchpad-5.2.3.jar ?poi-scratchpad-5.2.3.jar is one of the JAR files for Apache POI 5....