javaprims.h: Rebuilt class list.
* gcj/javaprims.h: Rebuilt class list. * Makefile.in: Rebuilt. * Makefile.am (core_java_source_files): Added VMClassLoader. * java/lang/VMClassLoader.java: New file. * java/lang/Boolean.java: Merged with Classpath. * java/lang/Byte.java: Merged with Classpath. * java/lang/Integer.java: Merged with Classpath. * java/lang/Long.java: Merged with Classpath. * java/lang/Number.java: Merged with Classpath. * java/lang/Short.java: Merged with Classpath. From-SVN: r44274
This commit is contained in:
Tom Tromey
Tom Tromey
parent
57de7530c4
commit
e109d16f8c
12 changed files with 1763 additions and 750 deletions
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/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
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/* Boolean.java -- object wrapper for boolean
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Copyright (C) 1998, 2001 Free Software Foundation, Inc.
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This file is part of libgcj.
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This file is part of GNU Classpath.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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package java.lang;
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import java.io.Serializable;
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/**
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* @author Warren Levy <warrenl@cygnus.com>
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* @date September 3, 1998.
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*/
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/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
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* "The Java Language Specification", ISBN 0-201-63451-1
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* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
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* Status: Believed complete and correct.
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*/
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public final class Boolean extends Object implements Serializable
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* Instances of class <code>Boolean</code> represent primitive
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* <code>boolean</code> values.
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*
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* @author Paul Fisher
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* @since JDK1.0
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*/
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public final class Boolean implements Serializable
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{
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public static final Boolean FALSE = new Boolean(false);
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public static final Boolean TRUE = new Boolean(true);
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// This initialization is seemingly circular, but it is accepted
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// by javac, and is handled specially by gcc.
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public static final Class TYPE = boolean.class;
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/* The boolean value of the instance. */
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private boolean value;
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private static final long serialVersionUID = -3665804199014368530L;
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public Boolean(boolean boolVal)
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{
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value = boolVal;
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}
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public Boolean(String strVal)
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{
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value = (strVal == null ? false : strVal.equalsIgnoreCase("true"));
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}
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public boolean booleanValue()
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{
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return value;
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}
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public boolean equals(Object obj)
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{
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/* Don't need to compare obj to null as instanceof will do this. */
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if (obj instanceof Boolean)
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return value == ((Boolean) obj).value;
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return false;
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}
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public static boolean getBoolean(String property)
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{
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/* TBD: If a security manager exists and it doesn't permit accessing
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* the property, it will throw an exception. Should we catch it?
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static final long serialVersionUID = -3665804199014368530L;
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/**
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* This field is a <code>Boolean</code> object representing the
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* primitive value <code>true</code>. This instance is returned
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* by the static <code>valueOf()</code> methods if they return
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* a <code>Boolean</code> representing <code>true</code>.
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*/
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try
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{
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String val = System.getProperty(property);
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return val == null ? false : val.equalsIgnoreCase("true");
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}
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catch (SecurityException e)
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{
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return false;
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}
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}
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public int hashCode()
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{
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/* These values are from the Java Lang. Spec. (Sec 20.4.7).
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* TBD: They could be made private static final fields but they're only
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* used here (and shouldn't be used anywhere else), though it might be
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* useful to grep on something like JAVA_HASH_* values for us as
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* developers.
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public static final Boolean TRUE = new Boolean(true);
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/**
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* This field is a <code>Boolean</code> object representing the
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* primitive value <code>false</code>. This instance is returned
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* by the static <code>valueOf()</code> methods if they return
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* a <code>Boolean</code> representing <code>false</code>.
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*/
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return value ? 1231 : 1237;
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}
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public static final Boolean FALSE = new Boolean(false);
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public String toString()
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{
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return value ? "true" : "false";
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}
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/**
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* The primitive type <code>boolean</code> is represented by this
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* <code>Class</code> object.
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*/
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public static final Class TYPE = VMClassLoader.getPrimitiveClass("boolean");
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/**
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* The immutable value of this Boolean.
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*/
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private final boolean value;
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/**
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* Create a <code>Boolean</code> object representing the value of the
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* argument <code>value</code>. In general the use of the static
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* method <code>valueof(boolean)</code> is more efficient since it will
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* not create a new object.
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*
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* @param value the primitive value of this <code>Boolean</code>
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*/
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public Boolean(boolean value) {
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this.value = value;
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}
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/**
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* Creates a <code>Boolean</code> object representing the primitive
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* <code>true</code> if and only if <code>s</code> matches
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* the string "true" ignoring case, otherwise the object will represent
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* the primitive <code>false</code>. In general the use of the static
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* method <code>valueof(String)</code> is more efficient since it will
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* not create a new object.
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*
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* @param s the <code>String</code> representation of <code>true</code>
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* or false
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*/
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public Boolean(String s) {
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value = "true".equalsIgnoreCase(s);
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}
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public static Boolean valueOf(String str)
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{
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if (str == null)
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return FALSE;
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else
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/* This returns a Boolean (big B), not a boolean (little b). */
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return str.equalsIgnoreCase("true") ? TRUE : FALSE;
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}
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/**
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* Return the primitive <code>boolean</code> value of this
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* <code>Boolean</code> object.
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*/
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public boolean booleanValue() {
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return value;
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}
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/**
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* Returns the Boolean <code>TRUE</code> if the given boolean is
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* <code>true</code>, otherwise it will return the Boolean
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* <code>FALSE</code>.
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*
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* @since 1.4
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*/
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public static Boolean valueOf(boolean b) {
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return b ? TRUE : FALSE;
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}
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/**
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* Returns the Boolean <code>TRUE</code> if and only if the given
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* String is equal, ignoring case, to the the String "true", otherwise
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* it will return the Boolean <code>FALSE</code>.
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*/
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public static Boolean valueOf(String s) {
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return "true".equalsIgnoreCase(s) ? TRUE : FALSE;
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}
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/**
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* Returns the integer <code>1231</code> if this object represents
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* the primitive <code>true</code> and the integer <code>1237</code>
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* otherwise.
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*/
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public int hashCode() {
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return (value) ? 1231 : 1237;
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}
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/**
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* If the <code>obj</code> is an instance of <code>Boolean</code> and
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* has the same primitive value as this object then <code>true</code>
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* is returned. In all other cases, including if the <code>obj</code>
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* is <code>null</code>, <code>false</code> is returned.
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*
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* @param obj possibly an instance of any <code>Class</code>
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* @return <code>false</code> is <code>obj</code> is an instance of
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* <code>Boolean</code> and has the same primitive value as this
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* object.
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*/
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public boolean equals(Object obj) {
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return (obj instanceof Boolean && value == ((Boolean)obj).value);
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}
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/**
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* If the value of the system property <code>name</code> matches
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* "true" ignoring case then the function returns <code>true</code>.
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*/
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public static boolean getBoolean(String name) {
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String val = System.getProperty(name);
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return ("true".equalsIgnoreCase(val));
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}
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/**
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* Returns "true" if the value of the give boolean is <code>true</code> and
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* returns "false" if the value of the given boolean is <code>false</code>.
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*
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* @since 1.4
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*/
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public static String toString(boolean b)
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{
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return b ? "true" : "false";
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}
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/**
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* Returns "true" if the value of this object is <code>true</code> and
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* returns "false" if the value of this object is <code>false</code>.
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*/
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public String toString()
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{
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return (value) ? "true" : "false";
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}
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}
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