Java tutorial
/** * Copyright (C) 2010-2016 Gordon Fraser, Andrea Arcuri and EvoSuite * contributors * * This file is part of EvoSuite. * * EvoSuite is free software: you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, either version 3.0 of the License, or * (at your option) any later version. * * EvoSuite is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>. */ package com.examples.with.different.packagename.concolic; import java.io.EOFException; import java.io.IOException; import java.io.PrintStream; import java.io.PrintWriter; import java.text.MessageFormat; import java.text.ParseException; import java.util.ConcurrentModificationException; import java.util.Locale; import java.util.MissingResourceException; import java.util.NoSuchElementException; import java.util.ResourceBundle; /** * Base class for commons-math unchecked exceptions. * * @version $Revision: 786478 $ $Date: 2009-06-19 08:33:36 -0400 (Fri, 19 Jun 2009) $ * @since 2.0 */ public class MathRuntimeException extends RuntimeException { /** Serializable version identifier. */ private static final long serialVersionUID = -5128983364075381060L; /** * Pattern used to build the message. */ private final String pattern; /** * Arguments used to build the message. */ private final Object[] arguments; /** * 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(final String s, final 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; } /** * Builds a message string by from a pattern and its arguments. * @param locale Locale in which the message should be translated * @param pattern format specifier * @param arguments format arguments * @return a message string */ private static String buildMessage(final Locale locale, final String pattern, final Object... arguments) { return (pattern == null) ? "" : new MessageFormat(translate(pattern, locale), locale).format(arguments); } /** * Constructs a new <code>MathRuntimeException</code> with specified * formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments */ public MathRuntimeException(final String pattern, final Object... arguments) { super(buildMessage(Locale.US, pattern, arguments)); this.pattern = pattern; this.arguments = (arguments == null) ? new Object[0] : arguments.clone(); } /** * Constructs a new <code>MathRuntimeException</code> with specified * nested <code>Throwable</code> root cause. * * @param rootCause the exception or error that caused this exception * to be thrown. */ public MathRuntimeException(final Throwable rootCause) { super(rootCause); this.pattern = getMessage(); this.arguments = new Object[0]; } /** * Constructs a new <code>MathRuntimeException</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 */ public MathRuntimeException(final Throwable rootCause, final String pattern, final Object... arguments) { super(buildMessage(Locale.US, pattern, arguments), rootCause); this.pattern = pattern; this.arguments = (arguments == null) ? new Object[0] : arguments.clone(); } /** Gets the pattern used to build the message of this throwable. * * @return the pattern used to build the message of this throwable */ 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 */ 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 */ public String getMessage(final Locale locale) { return buildMessage(locale, pattern, arguments); } /** {@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(final PrintStream out) { synchronized (out) { PrintWriter pw = new PrintWriter(out, false); printStackTrace(pw); // Flush the PrintWriter before it's GC'ed. pw.flush(); } } /** * Constructs a new <code>ArithmeticException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static ArithmeticException createArithmeticException(final String pattern, final Object... arguments) { return new ArithmeticException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = 7705628723242533939L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>ArrayIndexOutOfBoundsException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static ArrayIndexOutOfBoundsException createArrayIndexOutOfBoundsException(final String pattern, final Object... arguments) { return new ArrayIndexOutOfBoundsException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = -3394748305449283486L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>EOFException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static EOFException createEOFException(final String pattern, final Object... arguments) { return new EOFException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = 279461544586092584L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>IOException</code> with specified nested * <code>Throwable</code> root cause. * <p>This factory method allows chaining of other exceptions within an * <code>IOException</code> even for Java 5. The constructor for * <code>IOException</code> with a cause parameter was introduced only * with Java 6.</p> * @param rootCause the exception or error that caused this exception * to be thrown. * @return built exception */ public static IOException createIOException(final Throwable rootCause) { IOException ioe = new IOException(rootCause.getLocalizedMessage()); ioe.initCause(rootCause); return ioe; } /** * Constructs a new <code>IllegalArgumentException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static IllegalArgumentException createIllegalArgumentException(final String pattern, final Object... arguments) { return new IllegalArgumentException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = -6555453980658317913L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>IllegalArgumentException</code> with specified nested * <code>Throwable</code> root cause. * @param rootCause the exception or error that caused this exception * to be thrown. * @return built exception */ public static IllegalArgumentException createIllegalArgumentException(final Throwable rootCause) { IllegalArgumentException iae = new IllegalArgumentException(rootCause.getLocalizedMessage()); iae.initCause(rootCause); return iae; } /** * Constructs a new <code>IllegalStateException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static IllegalStateException createIllegalStateException(final String pattern, final Object... arguments) { return new IllegalStateException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = -95247648156277208L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>ConcurrentModificationException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static ConcurrentModificationException createConcurrentModificationException(final String pattern, final Object... arguments) { return new ConcurrentModificationException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = 6134247282754009421L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>NoSuchElementException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static NoSuchElementException createNoSuchElementException(final String pattern, final Object... arguments) { return new NoSuchElementException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = 7304273322489425799L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>NullPointerException</code> with specified formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static NullPointerException createNullPointerException(final String pattern, final Object... arguments) { return new NullPointerException(buildMessage(Locale.US, pattern, arguments)) { /** Serializable version identifier. */ private static final long serialVersionUID = -3075660477939965216L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** * Constructs a new <code>ParseException</code> with specified * formatted detail message. * Message formatting is delegated to {@link java.text.MessageFormat}. * @param offset offset at which error occurred * @param pattern format specifier * @param arguments format arguments * @return built exception */ public static ParseException createParseException(final int offset, final String pattern, final Object... arguments) { return new ParseException(buildMessage(Locale.US, pattern, arguments), offset) { /** Serializable version identifier. */ private static final long serialVersionUID = -1103502177342465975L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, arguments); } }; } /** Create an {@link java.lang.RuntimeException} for an internal error. * @param cause underlying cause * @return an {@link java.lang.RuntimeException} for an internal error */ public static RuntimeException createInternalError(final Throwable cause) { final String pattern = "internal error, please fill a bug report at {0}"; final String argument = "https://issues.apache.org/jira/browse/MATH"; return new RuntimeException(buildMessage(Locale.US, pattern, argument)) { /** Serializable version identifier. */ private static final long serialVersionUID = -201865440834027016L; /** {@inheritDoc} */ @Override public String getLocalizedMessage() { return buildMessage(Locale.getDefault(), pattern, argument); } }; } }