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Apache Commons Lang v3 Source Code Files
Apache Commons Lang 3 is the 3rd version of Apache Commons Lang, which provides a host of helper utilities for the java.lang API.
Apache Commons Lang 3 Source Code files are provided in both binary packge (commons-lang3-3.12.0-bin.zip) and source package (commons-lang3-3.12.0-src.zip). You can download them at Apache Commons Lang Website.
Apache Commons Lang 3 Source Code has no dependencies and is compatible with Java 8 and newer versions. You can compile it to generate your own version of Apache Commons Lang 3 JAR file.
You can also browse the source code below:
✍: FYIcenter
⏎ org/apache/commons/lang3/exception/ContextedRuntimeException.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.commons.lang3.exception; import java.util.List; import java.util.Set; import org.apache.commons.lang3.tuple.Pair; /** * <p> * A runtime exception that provides an easy and safe way to add contextual information. * </p><p> * An exception trace itself is often insufficient to provide rapid diagnosis of the issue. * Frequently what is needed is a select few pieces of local contextual data. * Providing this data is tricky however, due to concerns over formatting and nulls. * </p><p> * The contexted exception approach allows the exception to be created together with a * list of context label-value pairs. This additional information is automatically included in * the message and printed stack trace. * </p><p> * A checked version of this exception is provided by ContextedException. * </p> * <p> * To use this class write code as follows: * </p> * <pre> * try { * ... * } catch (Exception e) { * throw new ContextedRuntimeException("Error posting account transaction", e) * .addContextValue("Account Number", accountNumber) * .addContextValue("Amount Posted", amountPosted) * .addContextValue("Previous Balance", previousBalance); * } * } * </pre> * <p> * or improve diagnose data at a higher level: * </p> * <pre> * try { * ... * } catch (ContextedRuntimeException e) { * throw e.setContextValue("Transaction Id", transactionId); * } catch (Exception e) { * if (e instanceof ExceptionContext) { * e.setContextValue("Transaction Id", transactionId); * } * throw e; * } * } * </pre> * <p> * The output in a printStacktrace() (which often is written to a log) would look something like the following: * </p> * <pre> * org.apache.commons.lang3.exception.ContextedRuntimeException: java.lang.Exception: Error posting account transaction * Exception Context: * [1:Account Number=null] * [2:Amount Posted=100.00] * [3:Previous Balance=-2.17] * [4:Transaction Id=94ef1d15-d443-46c4-822b-637f26244899] * * --------------------------------- * at org.apache.commons.lang3.exception.ContextedRuntimeExceptionTest.testAddValue(ContextedExceptionTest.java:88) * ..... (rest of trace) * </pre> * * @see ContextedException * @since 3.0 */ public class ContextedRuntimeException extends RuntimeException implements ExceptionContext { /** The serialization version. */ private static final long serialVersionUID = 20110706L; /** The context where the data is stored. */ private final ExceptionContext exceptionContext; /** * Instantiates ContextedRuntimeException without message or cause. * <p> * The context information is stored using a default implementation. */ public ContextedRuntimeException() { exceptionContext = new DefaultExceptionContext(); } /** * Instantiates ContextedRuntimeException with message, but without cause. * <p> * The context information is stored using a default implementation. * * @param message the exception message, may be null */ public ContextedRuntimeException(final String message) { super(message); exceptionContext = new DefaultExceptionContext(); } /** * Instantiates ContextedRuntimeException with cause, but without message. * <p> * The context information is stored using a default implementation. * * @param cause the underlying cause of the exception, may be null */ public ContextedRuntimeException(final Throwable cause) { super(cause); exceptionContext = new DefaultExceptionContext(); } /** * Instantiates ContextedRuntimeException with cause and message. * <p> * The context information is stored using a default implementation. * * @param message the exception message, may be null * @param cause the underlying cause of the exception, may be null */ public ContextedRuntimeException(final String message, final Throwable cause) { super(message, cause); exceptionContext = new DefaultExceptionContext(); } /** * Instantiates ContextedRuntimeException with cause, message, and ExceptionContext. * * @param message the exception message, may be null * @param cause the underlying cause of the exception, may be null * @param context the context used to store the additional information, null uses default implementation */ public ContextedRuntimeException(final String message, final Throwable cause, ExceptionContext context) { super(message, cause); if (context == null) { context = new DefaultExceptionContext(); } exceptionContext = context; } //----------------------------------------------------------------------- /** * Adds information helpful to a developer in diagnosing and correcting the problem. * For the information to be meaningful, the value passed should have a reasonable * toString() implementation. * Different values can be added with the same label multiple times. * <p> * Note: This exception is only serializable if the object added is serializable. * </p> * * @param label a textual label associated with information, {@code null} not recommended * @param value information needed to understand exception, may be {@code null} * @return {@code this}, for method chaining, not {@code null} */ @Override public ContextedRuntimeException addContextValue(final String label, final Object value) { exceptionContext.addContextValue(label, value); return this; } /** * Sets information helpful to a developer in diagnosing and correcting the problem. * For the information to be meaningful, the value passed should have a reasonable * toString() implementation. * Any existing values with the same labels are removed before the new one is added. * <p> * Note: This exception is only serializable if the object added as value is serializable. * </p> * * @param label a textual label associated with information, {@code null} not recommended * @param value information needed to understand exception, may be {@code null} * @return {@code this}, for method chaining, not {@code null} */ @Override public ContextedRuntimeException setContextValue(final String label, final Object value) { exceptionContext.setContextValue(label, value); return this; } /** * {@inheritDoc} */ @Override public List<Object> getContextValues(final String label) { return this.exceptionContext.getContextValues(label); } /** * {@inheritDoc} */ @Override public Object getFirstContextValue(final String label) { return this.exceptionContext.getFirstContextValue(label); } /** * {@inheritDoc} */ @Override public List<Pair<String, Object>> getContextEntries() { return this.exceptionContext.getContextEntries(); } /** * {@inheritDoc} */ @Override public Set<String> getContextLabels() { return exceptionContext.getContextLabels(); } /** * Provides the message explaining the exception, including the contextual data. * * @see java.lang.Throwable#getMessage() * @return the message, never null */ @Override public String getMessage() { return getFormattedExceptionMessage(super.getMessage()); } /** * Provides the message explaining the exception without the contextual data. * * @see java.lang.Throwable#getMessage() * @return the message * @since 3.0.1 */ public String getRawMessage() { return super.getMessage(); } /** * {@inheritDoc} */ @Override public String getFormattedExceptionMessage(final String baseMessage) { return exceptionContext.getFormattedExceptionMessage(baseMessage); } }
⏎ org/apache/commons/lang3/exception/ContextedRuntimeException.java
Or download all of them as a single archive file:
File name: commons-lang3-3.12.0-sources.jar File size: 651724 bytes Release date: 2020-01-22 Download
⇒ Download and Install commons-lang3-3.8.1-bin.zip
⇐ Download Apache Commons Lang v3 Source Package
2022-10-19, 149655👍, 3💬
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