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Source Code for Apache Log4j Core Implementation
Apache Log4j Core Implementation
provides the functional components of the logging system. Users are free to
create their own plugins and include them in the logging configuration.
Apache Log4j Core is a required module to use Apache Log4j.
Bytecode (Java 8) for Apache Log4j Core Implementation is provided in a separate JAR file like log4j-core-2.14.1.jar.
Source Code files for Apache Log4j API 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 Core Implementation 2.14.1 below.
✍: FYIcenter.com
⏎ org/apache/logging/log4j/core/impl/ExtendedStackTraceElement.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.logging.log4j.core.impl; import java.io.Serializable; import java.util.Objects; import org.apache.logging.log4j.core.pattern.PlainTextRenderer; import org.apache.logging.log4j.core.pattern.TextRenderer; /** * Wraps and extends the concept of the JRE's final class {@link StackTraceElement} by adding more location information. * <p> * Complements a StackTraceElement with: * </p> * <ul> * <li>exact: whether the class was obtained via {@link sun.reflect.Reflection#getCallerClass(int)}</li> * <li>location: a classpath element or a jar</li> * <li>version</li> * </ul> */ public final class ExtendedStackTraceElement implements Serializable { private static final long serialVersionUID = -2171069569241280505L; private final ExtendedClassInfo extraClassInfo; private final StackTraceElement stackTraceElement; public ExtendedStackTraceElement(final StackTraceElement stackTraceElement, final ExtendedClassInfo extraClassInfo) { this.stackTraceElement = stackTraceElement; this.extraClassInfo = extraClassInfo; } /** * Called from Jackson for XML and JSON IO. */ public ExtendedStackTraceElement(final String declaringClass, final String methodName, final String fileName, final int lineNumber, final boolean exact, final String location, final String version) { this(new StackTraceElement(declaringClass, methodName, fileName, lineNumber), new ExtendedClassInfo(exact, location, version)); } @Override public boolean equals(final Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (!(obj instanceof ExtendedStackTraceElement)) { return false; } final ExtendedStackTraceElement other = (ExtendedStackTraceElement) obj; if (!Objects.equals(this.extraClassInfo, other.extraClassInfo)) { return false; } if (!Objects.equals(this.stackTraceElement, other.stackTraceElement)) { return false; } return true; } public String getClassName() { return this.stackTraceElement.getClassName(); } public boolean getExact() { return this.extraClassInfo.getExact(); } public ExtendedClassInfo getExtraClassInfo() { return this.extraClassInfo; } public String getFileName() { return this.stackTraceElement.getFileName(); } public int getLineNumber() { return this.stackTraceElement.getLineNumber(); } public String getLocation() { return this.extraClassInfo.getLocation(); } public String getMethodName() { return this.stackTraceElement.getMethodName(); } public StackTraceElement getStackTraceElement() { return this.stackTraceElement; } public String getVersion() { return this.extraClassInfo.getVersion(); } @Override public int hashCode() { return Objects.hash(extraClassInfo, stackTraceElement); } public boolean isNativeMethod() { return this.stackTraceElement.isNativeMethod(); } void renderOn(final StringBuilder output, final TextRenderer textRenderer) { render(this.stackTraceElement, output, textRenderer); textRenderer.render(" ", output, "Text"); this.extraClassInfo.renderOn(output, textRenderer); } private void render(final StackTraceElement stElement, final StringBuilder output, final TextRenderer textRenderer) { final String fileName = stElement.getFileName(); final int lineNumber = stElement.getLineNumber(); textRenderer.render(getClassName(), output, "StackTraceElement.ClassName"); textRenderer.render(".", output, "StackTraceElement.ClassMethodSeparator"); textRenderer.render(stElement.getMethodName(), output, "StackTraceElement.MethodName"); if (stElement.isNativeMethod()) { textRenderer.render("(Native Method)", output, "StackTraceElement.NativeMethod"); } else if (fileName != null && lineNumber >= 0) { textRenderer.render("(", output, "StackTraceElement.Container"); textRenderer.render(fileName, output, "StackTraceElement.FileName"); textRenderer.render(":", output, "StackTraceElement.ContainerSeparator"); textRenderer.render(Integer.toString(lineNumber), output, "StackTraceElement.LineNumber"); textRenderer.render(")", output, "StackTraceElement.Container"); } else if (fileName != null) { textRenderer.render("(", output, "StackTraceElement.Container"); textRenderer.render(fileName, output, "StackTraceElement.FileName"); textRenderer.render(")", output, "StackTraceElement.Container"); } else { textRenderer.render("(", output, "StackTraceElement.Container"); textRenderer.render("Unknown Source", output, "StackTraceElement.UnknownSource"); textRenderer.render(")", output, "StackTraceElement.Container"); } } @Override public String toString() { final StringBuilder sb = new StringBuilder(); renderOn(sb, PlainTextRenderer.getInstance()); return sb.toString(); } }
⏎ org/apache/logging/log4j/core/impl/ExtendedStackTraceElement.java
Or download all of them as a single archive file:
File name: log4j-core-2.14.1-sources.jar File size: 1281358 bytes Release date: 2021-03-06 Download
⇒ Source Code for Apache Log4j JDK Logging Adapter
⇐ Source Code for Apache Log4j API
2015-11-03, 135147👍, 0💬
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