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/* * Copyright (c) 2008-2016, GigaSpaces Technologies, Inc. All Rights Reserved. * * Licensed 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.openspaces.core.internal.commons.math; import java.io.PrintStream; import java.io.PrintWriter; import java.text.MessageFormat; import java.util.Locale; import java.util.MissingResourceException; import java.util.ResourceBundle; /** * Base class for commons-math checked exceptions. <p> Supports nesting, emulating JDK 1.4 behavior * if necessary.</p> <p> Adapted from <a href="http://commons.apache.org/collections/api-release/org/apache/commons/collections/FunctorException.html"/>.</p> * * @version $Revision: 822850 $ $Date: 2009-10-07 14:56:42 -0400 (Wed, 07 Oct 2009) $ */ public class MathException extends Exception { /** * Serializable version identifier. */ private static final long serialVersionUID = -9004610152740737812L; /** * Pattern used to build the message. */ private final String pattern; /** * Arguments used to build the message. */ private final Object[] arguments; /** * Constructs a new <code>MathException</code> with no detail message. */ public MathException() { this.pattern = null; this.arguments = new Object[0]; } /** * Constructs a new <code>MathException</code> with specified formatted detail message. Message * formatting is delegated to {@link java.text.MessageFormat}. * * @param pattern format specifier * @param arguments format arguments */ public MathException(String pattern, Object... arguments) { this.pattern = pattern; this.arguments = (arguments == null) ? new Object[0] : arguments.clone(); } /** * Constructs a new <code>MathException</code> with specified nested <code>Throwable</code> root * cause. * * @param rootCause the exception or error that caused this exception to be thrown. */ public MathException(Throwable rootCause) { super(rootCause); this.pattern = getMessage(); this.arguments = new Object[0]; } /** * Constructs a new <code>MathException</code> with specified formatted detail message and * nested <code>Throwable</code> root cause. Message formatting is delegated to {@link * java.text.MessageFormat}. * * @param rootCause the exception or error that caused this exception to be thrown. * @param pattern format specifier * @param arguments format arguments * @since 1.2 */ public MathException(Throwable rootCause, String pattern, Object... arguments) { super(rootCause); this.pattern = pattern; this.arguments = (arguments == null) ? new Object[0] : arguments.clone(); } /** * Translate a string to a given locale. * * @param s string to translate * @param locale locale into which to translate the string * @return translated string or original string for unsupported locales or unknown strings */ private static String translate(String s, Locale locale) { try { ResourceBundle bundle = ResourceBundle.getBundle("org.apache.commons.math.MessagesResources", locale); if (bundle.getLocale().getLanguage().equals(locale.getLanguage())) { // the value of the resource is the translated string return bundle.getString(s); } } catch (MissingResourceException mre) { // do nothing here } // the locale is not supported or the resource is unknown // don't translate and fall back to using the string as is return s; } /** * Gets the pattern used to build the message of this throwable. * * @return the pattern used to build the message of this throwable * @since 1.2 */ public String getPattern() { return pattern; } /** * Gets the arguments used to build the message of this throwable. * * @return the arguments used to build the message of this throwable * @since 1.2 */ public Object[] getArguments() { return arguments.clone(); } /** * Gets the message in a specified locale. * * @param locale Locale in which the message should be translated * @return localized message * @since 1.2 */ public String getMessage(final Locale locale) { return (pattern == null) ? "" : new MessageFormat(translate(pattern, locale), locale).format(arguments); } /** * {@inheritDoc} */ @Override public String getMessage() { return getMessage(Locale.US); } /** * {@inheritDoc} */ @Override public String getLocalizedMessage() { return getMessage(Locale.getDefault()); } /** * Prints the stack trace of this exception to the standard error stream. */ @Override public void printStackTrace() { printStackTrace(System.err); } /** * Prints the stack trace of this exception to the specified stream. * * @param out the <code>PrintStream</code> to use for output */ @Override public void printStackTrace(PrintStream out) { synchronized (out) { PrintWriter pw = new PrintWriter(out, false); printStackTrace(pw); // Flush the PrintWriter before it's GC'ed. pw.flush(); } } }