diff -r 3392f250c784 -r ecbd252fd3a7 emul/mini/src/main/java/java/lang/Boolean.java --- a/emul/mini/src/main/java/java/lang/Boolean.java Fri Mar 22 16:59:47 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,282 +0,0 @@ -/* - * Copyright (c) 1994, 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; - -/** - * The Boolean class wraps a value of the primitive type - * {@code boolean} in an object. An object of type - * {@code Boolean} contains a single field whose type is - * {@code boolean}. - *

- * In addition, this class provides many methods for - * converting a {@code boolean} to a {@code String} and a - * {@code String} to a {@code boolean}, as well as other - * constants and methods useful when dealing with a - * {@code boolean}. - * - * @author Arthur van Hoff - * @since JDK1.0 - */ -public final class Boolean implements java.io.Serializable, - Comparable -{ - /** - * The {@code Boolean} object corresponding to the primitive - * value {@code true}. - */ - public static final Boolean TRUE = new Boolean(true); - - /** - * The {@code Boolean} object corresponding to the primitive - * value {@code false}. - */ - public static final Boolean FALSE = new Boolean(false); - - /** - * The Class object representing the primitive type boolean. - * - * @since JDK1.1 - */ - public static final Class TYPE = Class.getPrimitiveClass("boolean"); - - /** - * The value of the Boolean. - * - * @serial - */ - private final boolean value; - - /** use serialVersionUID from JDK 1.0.2 for interoperability */ - private static final long serialVersionUID = -3665804199014368530L; - - /** - * Allocates a {@code Boolean} object representing the - * {@code value} argument. - * - *

Note: It is rarely appropriate to use this constructor. - * Unless a new instance is required, the static factory - * {@link #valueOf(boolean)} is generally a better choice. It is - * likely to yield significantly better space and time performance. - * - * @param value the value of the {@code Boolean}. - */ - public Boolean(boolean value) { - this.value = value; - } - - /** - * Allocates a {@code Boolean} object representing the value - * {@code true} if the string argument is not {@code null} - * and is equal, ignoring case, to the string {@code "true"}. - * Otherwise, allocate a {@code Boolean} object representing the - * value {@code false}. Examples:

- * {@code new Boolean("True")} produces a {@code Boolean} object - * that represents {@code true}.
- * {@code new Boolean("yes")} produces a {@code Boolean} object - * that represents {@code false}. - * - * @param s the string to be converted to a {@code Boolean}. - */ - public Boolean(String s) { - this(toBoolean(s)); - } - - /** - * Parses the string argument as a boolean. The {@code boolean} - * returned represents the value {@code true} if the string argument - * is not {@code null} and is equal, ignoring case, to the string - * {@code "true"}.

- * Example: {@code Boolean.parseBoolean("True")} returns {@code true}.
- * Example: {@code Boolean.parseBoolean("yes")} returns {@code false}. - * - * @param s the {@code String} containing the boolean - * representation to be parsed - * @return the boolean represented by the string argument - * @since 1.5 - */ - public static boolean parseBoolean(String s) { - return toBoolean(s); - } - - /** - * Returns the value of this {@code Boolean} object as a boolean - * primitive. - * - * @return the primitive {@code boolean} value of this object. - */ - public boolean booleanValue() { - return value; - } - - /** - * Returns a {@code Boolean} instance representing the specified - * {@code boolean} value. If the specified {@code boolean} value - * is {@code true}, this method returns {@code Boolean.TRUE}; - * if it is {@code false}, this method returns {@code Boolean.FALSE}. - * If a new {@code Boolean} instance is not required, this method - * should generally be used in preference to the constructor - * {@link #Boolean(boolean)}, as this method is likely to yield - * significantly better space and time performance. - * - * @param b a boolean value. - * @return a {@code Boolean} instance representing {@code b}. - * @since 1.4 - */ - public static Boolean valueOf(boolean b) { - return (b ? TRUE : FALSE); - } - - /** - * Returns a {@code Boolean} with a value represented by the - * specified string. The {@code Boolean} returned represents a - * true value if the string argument is not {@code null} - * and is equal, ignoring case, to the string {@code "true"}. - * - * @param s a string. - * @return the {@code Boolean} value represented by the string. - */ - public static Boolean valueOf(String s) { - return toBoolean(s) ? TRUE : FALSE; - } - - /** - * Returns a {@code String} object representing the specified - * boolean. If the specified boolean is {@code true}, then - * the string {@code "true"} will be returned, otherwise the - * string {@code "false"} will be returned. - * - * @param b the boolean to be converted - * @return the string representation of the specified {@code boolean} - * @since 1.4 - */ - public static String toString(boolean b) { - return b ? "true" : "false"; - } - - /** - * Returns a {@code String} object representing this Boolean's - * value. If this object represents the value {@code true}, - * a string equal to {@code "true"} is returned. Otherwise, a - * string equal to {@code "false"} is returned. - * - * @return a string representation of this object. - */ - public String toString() { - return value ? "true" : "false"; - } - - /** - * Returns a hash code for this {@code Boolean} object. - * - * @return the integer {@code 1231} if this object represents - * {@code true}; returns the integer {@code 1237} if this - * object represents {@code false}. - */ - public int hashCode() { - return value ? 1231 : 1237; - } - - /** - * Returns {@code true} if and only if the argument is not - * {@code null} and is a {@code Boolean} object that - * represents the same {@code boolean} value as this object. - * - * @param obj the object to compare with. - * @return {@code true} if the Boolean objects represent the - * same value; {@code false} otherwise. - */ - public boolean equals(Object obj) { - if (obj instanceof Boolean) { - return value == ((Boolean)obj).booleanValue(); - } - return false; - } - - /** - * Returns {@code true} if and only if the system property - * named by the argument exists and is equal to the string - * {@code "true"}. (Beginning with version 1.0.2 of the - * JavaTM platform, the test of - * this string is case insensitive.) A system property is accessible - * through {@code getProperty}, a method defined by the - * {@code System} class. - *

- * If there is no property with the specified name, or if the specified - * name is empty or null, then {@code false} is returned. - * - * @param name the system property name. - * @return the {@code boolean} value of the system property. - * @see java.lang.System#getProperty(java.lang.String) - * @see java.lang.System#getProperty(java.lang.String, java.lang.String) - */ - public static boolean getBoolean(String name) { - boolean result = false; - try { - result = toBoolean(AbstractStringBuilder.getProperty(name)); - } catch (IllegalArgumentException e) { - } catch (NullPointerException e) { - } - return result; - } - - /** - * Compares this {@code Boolean} instance with another. - * - * @param b the {@code Boolean} instance to be compared - * @return zero if this object represents the same boolean value as the - * argument; a positive value if this object represents true - * and the argument represents false; and a negative value if - * this object represents false and the argument represents true - * @throws NullPointerException if the argument is {@code null} - * @see Comparable - * @since 1.5 - */ - public int compareTo(Boolean b) { - return compare(this.value, b.value); - } - - /** - * Compares two {@code boolean} values. - * The value returned is identical to what would be returned by: - * 

-     *    Boolean.valueOf(x).compareTo(Boolean.valueOf(y))
-     *
- * - * @param x the first {@code boolean} to compare - * @param y the second {@code boolean} to compare - * @return the value {@code 0} if {@code x == y}; - * a value less than {@code 0} if {@code !x && y}; and - * a value greater than {@code 0} if {@code x && !y} - * @since 1.7 - */ - public static int compare(boolean x, boolean y) { - return (x == y) ? 0 : (x ? 1 : -1); - } - - private static boolean toBoolean(String name) { - return ((name != null) && name.equalsIgnoreCase("true")); - } -}