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Java example source code file (AssertionStatusDirectives.java)

This example Java source code file (AssertionStatusDirectives.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

assertionstatusdirectives, string

The AssertionStatusDirectives.java Java example source code

/*
 * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.lang;

/**
 * A collection of assertion status directives (such as "enable assertions
 * in package p" or "disable assertions in class c").  This class is used by
 * the JVM to communicate the assertion status directives implied by
 * the <tt>java command line flags -enableassertions
 * (<tt>-ea) and -disableassertions (-da).
 *
 * @since  1.4
 * @author Josh Bloch
 */
class AssertionStatusDirectives {
    /**
     * The classes for which assertions are to be enabled or disabled.
     * The strings in this array are fully qualified class names (for
     * example,"com.xyz.foo.Bar").
     */
    String[] classes;

    /**
     * A parallel array to <tt>classes, indicating whether each class
     * is to have assertions enabled or disabled.  A value of <tt>true
     * for <tt>classEnabled[i] indicates that the class named by
     * <tt>classes[i] should have assertions enabled; a value of
     * <tt>false indicates that it should have classes disabled.
     * This array must have the same number of elements as <tt>classes.
     *
     * <p>In the case of conflicting directives for the same class, the
     * last directive for a given class wins.  In other words, if a string
     * <tt>s appears multiple times in the classes array
     * and <tt>i is the highest integer for which
     * <tt>classes[i].equals(s), then classEnabled[i]
     * indicates whether assertions are to be enabled in class <tt>s.
     */
    boolean[] classEnabled;

    /**
     * The package-trees for which assertions are to be enabled or disabled.
     * The strings in this array are compete or partial package names
     * (for example, "com.xyz" or "com.xyz.foo").
     */
    String[] packages;

    /**
     * A parallel array to <tt>packages, indicating whether each
     * package-tree is to have assertions enabled or disabled.  A value of
     * <tt>true for packageEnabled[i] indicates that the
     * package-tree named by <tt>packages[i] should have assertions
     * enabled; a value of <tt>false indicates that it should have
     * assertions disabled.  This array must have the same number of
     * elements as <tt>packages.
     *
     * In the case of conflicting directives for the same package-tree, the
     * last directive for a given package-tree wins.  In other words, if a
     * string <tt>s appears multiple times in the packages array
     * and <tt>i is the highest integer for which
     * <tt>packages[i].equals(s), then packageEnabled[i]
     * indicates whether assertions are to be enabled in package-tree
     * <tt>s.
     */
    boolean[] packageEnabled;

    /**
     * Whether or not assertions in non-system classes are to be enabled
     * by default.
     */
    boolean deflt;
}

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