natString.cc (init): Handle case where DONT_COPY is true and OFFSET!=0.

* java/lang/natString.cc (init): Handle case where DONT_COPY is
	true and OFFSET!=0.
	* java/lang/String.java (String(char[],int,int,boolean): New
	constructor.
	* java/lang/Long.java: Imported new version from Classpath.
	* java/lang/Number.java: Likewise.
	* java/lang/Integer.java: Likewise.
	* java/lang/Long.java: Likewise.
	* java/lang/Float.java: Likewise.
	* java/lang/Boolean.java: Likewise.
	* java/lang/Double.java: Likewise.
	* java/lang/Void.java: Likewise.

From-SVN: r54595
This commit is contained in:
Tom Tromey 2002-06-13 18:16:26 +00:00 committed by Tom Tromey
parent a8fa30f301
commit 93f7aeea7a
10 changed files with 1874 additions and 1723 deletions

View file

@ -1,5 +1,5 @@
/* Boolean.java -- object wrapper for boolean
Copyright (C) 1998, 2001 Free Software Foundation, Inc.
Copyright (C) 1998, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -7,7 +7,7 @@ GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Classpath 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
@ -41,148 +41,184 @@ package java.lang;
import java.io.Serializable;
/**
* Instances of class <code>Boolean</code> represent primitive
* Instances of class <code>Boolean</code> represent primitive
* <code>boolean</code> values.
*
* @author Paul Fisher
* @since JDK1.0
*/
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.0
* @status updated to 1.4
*/
public final class Boolean implements Serializable
{
static final long serialVersionUID = -3665804199014368530L;
/**
* This field is a <code>Boolean</code> object representing the
* primitive value <code>true</code>. This instance is returned
* by the static <code>valueOf()</code> methods if they return
* a <code>Boolean</code> representing <code>true</code>.
*/
public static final Boolean TRUE = new Boolean(true);
/**
* This field is a <code>Boolean</code> object representing the
* primitive value <code>false</code>. This instance is returned
* by the static <code>valueOf()</code> methods if they return
* a <code>Boolean</code> representing <code>false</code>.
*/
public static final Boolean FALSE = new Boolean(false);
/**
* Compatible with JDK 1.0.2+.
*/
private static final long serialVersionUID = -3665804199014368530L;
/**
* The primitive type <code>boolean</code> is represented by this
* <code>Class</code> object.
*/
public static final Class TYPE = VMClassLoader.getPrimitiveClass('Z');
/**
* The immutable value of this Boolean.
*/
private final boolean value;
/**
* Create a <code>Boolean</code> object representing the value of the
* argument <code>value</code>. In general the use of the static
* method <code>valueof(boolean)</code> is more efficient since it will
* not create a new object.
*
* @param value the primitive value of this <code>Boolean</code>
*/
public Boolean(boolean value) {
this.value = value;
}
/**
* Creates a <code>Boolean</code> object representing the primitive
* <code>true</code> if and only if <code>s</code> matches
* the string "true" ignoring case, otherwise the object will represent
* the primitive <code>false</code>. In general the use of the static
* method <code>valueof(String)</code> is more efficient since it will
* not create a new object.
*
* @param s the <code>String</code> representation of <code>true</code>
* or false
*/
public Boolean(String s) {
value = "true".equalsIgnoreCase(s);
}
/**
* This field is a <code>Boolean</code> object representing the
* primitive value <code>true</code>. This instance is returned
* by the static <code>valueOf()</code> methods if they return
* a <code>Boolean</code> representing <code>true</code>.
*/
public static final Boolean TRUE = new Boolean(true);
/**
* Return the primitive <code>boolean</code> value of this
* <code>Boolean</code> object.
*/
public boolean booleanValue() {
return value;
}
/**
* This field is a <code>Boolean</code> object representing the
* primitive value <code>false</code>. This instance is returned
* by the static <code>valueOf()</code> methods if they return
* a <code>Boolean</code> representing <code>false</code>.
*/
public static final Boolean FALSE = new Boolean(false);
/**
* Returns the Boolean <code>TRUE</code> if the given boolean is
* <code>true</code>, otherwise it will return the Boolean
* <code>FALSE</code>.
*
* @since 1.4
*/
public static Boolean valueOf(boolean b) {
return b ? TRUE : FALSE;
}
/**
* The primitive type <code>boolean</code> is represented by this
* <code>Class</code> object.
*
* @since 1.1
*/
public static final Class TYPE = VMClassLoader.getPrimitiveClass('Z');
/**
* Returns the Boolean <code>TRUE</code> if and only if the given
* String is equal, ignoring case, to the the String "true", otherwise
* it will return the Boolean <code>FALSE</code>.
*/
public static Boolean valueOf(String s) {
return "true".equalsIgnoreCase(s) ? TRUE : FALSE;
}
/**
* The immutable value of this Boolean.
* @serial the wrapped value
*/
private final boolean value;
/**
* Returns the integer <code>1231</code> if this object represents
* the primitive <code>true</code> and the integer <code>1237</code>
* otherwise.
*/
public int hashCode() {
return (value) ? 1231 : 1237;
}
/**
* Create a <code>Boolean</code> object representing the value of the
* argument <code>value</code>. In general the use of the static
* method <code>valueof(boolean)</code> is more efficient since it will
* not create a new object.
*
* @param value the primitive value of this <code>Boolean</code>
* @see #valueOf(boolean)
*/
public Boolean(boolean value)
{
this.value = value;
}
/**
* If the <code>obj</code> is an instance of <code>Boolean</code> and
* has the same primitive value as this object then <code>true</code>
* is returned. In all other cases, including if the <code>obj</code>
* is <code>null</code>, <code>false</code> is returned.
*
* @param obj possibly an instance of any <code>Class</code>
* @return <code>false</code> is <code>obj</code> is an instance of
* <code>Boolean</code> and has the same primitive value as this
* object.
*/
public boolean equals(Object obj) {
return (obj instanceof Boolean && value == ((Boolean)obj).value);
}
/**
* Creates a <code>Boolean</code> object representing the primitive
* <code>true</code> if and only if <code>s</code> matches
* the string "true" ignoring case, otherwise the object will represent
* the primitive <code>false</code>. In general the use of the static
* method <code>valueof(String)</code> is more efficient since it will
* not create a new object.
*
* @param s the <code>String</code> representation of <code>true</code>
* or false
*/
public Boolean(String s)
{
value = "true".equalsIgnoreCase(s);
}
/**
* If the value of the system property <code>name</code> matches
* "true" ignoring case then the function returns <code>true</code>.
*/
public static boolean getBoolean(String name) {
String val = System.getProperty(name);
return ("true".equalsIgnoreCase(val));
}
/**
* Returns "true" if the value of the give boolean is <code>true</code> and
* returns "false" if the value of the given boolean is <code>false</code>.
*
* @since 1.4
*/
public static String toString(boolean b)
{
return b ? "true" : "false";
}
/**
* Return the primitive <code>boolean</code> value of this
* <code>Boolean</code> object.
*
* @return true or false, depending on the value of this Boolean
*/
public boolean booleanValue()
{
return value;
}
/**
* Returns "true" if the value of this object is <code>true</code> and
* returns "false" if the value of this object is <code>false</code>.
*/
public String toString()
{
return (value) ? "true" : "false";
}
/**
* Returns the Boolean <code>TRUE</code> if the given boolean is
* <code>true</code>, otherwise it will return the Boolean
* <code>FALSE</code>.
*
* @param b the boolean to wrap
* @return the wrapper object
* @see #TRUE
* @see #FALSE
* @since 1.4
*/
public static Boolean valueOf(boolean b)
{
return b ? TRUE : FALSE;
}
/**
* Returns the Boolean <code>TRUE</code> if and only if the given
* String is equal, ignoring case, to the the String "true", otherwise
* it will return the Boolean <code>FALSE</code>.
*
* @param s the string to convert
* @return a wrapped boolean from the string
*/
public static Boolean valueOf(String s)
{
return "true".equalsIgnoreCase(s) ? TRUE : FALSE;
}
/**
* Returns "true" if the value of the give boolean is <code>true</code> and
* returns "false" if the value of the given boolean is <code>false</code>.
*
* @param b the boolean to convert
* @return the string representation of the boolean
* @since 1.4
*/
public static String toString(boolean b)
{
return b ? "true" : "false";
}
/**
* Returns "true" if the value of this object is <code>true</code> and
* returns "false" if the value of this object is <code>false</code>.
*
* @return the string representation of this
*/
public String toString()
{
return value ? "true" : "false";
}
/**
* Returns the integer <code>1231</code> if this object represents
* the primitive <code>true</code> and the integer <code>1237</code>
* otherwise.
*
* @return the hash code
*/
public int hashCode()
{
return value ? 1231 : 1237;
}
/**
* If the <code>obj</code> is an instance of <code>Boolean</code> and
* has the same primitive value as this object then <code>true</code>
* is returned. In all other cases, including if the <code>obj</code>
* is <code>null</code>, <code>false</code> is returned.
*
* @param obj possibly an instance of any <code>Class</code>
* @return true if <code>obj</code> equals this
*/
public boolean equals(Object obj)
{
return obj instanceof Boolean && value == ((Boolean) obj).value;
}
/**
* If the value of the system property <code>name</code> matches
* "true" ignoring case then the function returns <code>true</code>.
*
* @param name the property name to look up
* @return true if the property resulted in "true"
* @throws SecurityException if accessing the system property is forbidden
* @see System#getProperty(String)
*/
public static boolean getBoolean(String name)
{
if (name == null || "".equals(name))
return false;
return "true".equalsIgnoreCase(System.getProperty(name));
}
}