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Adding libraries to lang.

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svn: r3218
This commit is contained in:
Kathy Gray 2006-06-04 22:09:21 +00:00
parent d489e3e0b3
commit cff35de4c9
12 changed files with 4325 additions and 27 deletions
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357
collects/profj/libs/java/lang/Byte.java Normal file
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/* Byte.java -- object wrapper for byte
Copyright (C) 1998, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.lang;
/**
* Instances of class <code>Byte</code> represent primitive <code>byte</code>
* values.
*
* Additionally, this class provides various helper functions and variables
* useful to bytes.
*
* @author Paul Fisher
* @author John Keiser
* @author Per Bothner
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.1
* @status updated to 1.4
*/
public final class Byte extends Number implements Comparable
{
/**
* Compatible with JDK 1.1+.
*/
private static final long serialVersionUID = -7183698231559129828L;
/**
* The minimum value a <code>byte</code> can represent is -128 (or
* -2<sup>7</sup>).
*/
public static final byte MIN_VALUE = -128;
/**
* The maximum value a <code>byte</code> can represent is 127 (or
* 2<sup>7</sup> - 1).
*/
public static final byte MAX_VALUE = 127;
/**
* The primitive type <code>byte</code> is represented by this
* <code>Class</code> object.
*/
//public static final Class TYPE = VMClassLoader.getPrimitiveClass('B');
/**
* The immutable value of this Byte.
*
* @serial the wrapped byte
*/
private final byte value;
/**
* Create a <code>Byte</code> object representing the value of the
* <code>byte</code> argument.
*
* @param value the value to use
*/
public Byte(byte value)
{
this.value = value;
}
/**
* Create a <code>Byte</code> object representing the value specified
* by the <code>String</code> argument
*
* @param s the string to convert
* @throws NumberFormatException if the String does not contain a byte
* @see #valueOf(String)
*/
public Byte(String s)
{
value = parseByte(s, 10);
}
/**
* Converts the <code>byte</code> to a <code>String</code> and assumes
* a radix of 10.
*
* @param b the <code>byte</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toString(byte b)
{
return String.valueOf((int)b);
}
/**
* Converts the specified <code>String</code> into a <code>byte</code>.
* This function assumes a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the <code>byte</code> value of <code>s</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>byte</code>
* @see #parseByte(String)
*/
public static byte parseByte(String s)
{
return parseByte(s, 10);
}
/**
* Converts the specified <code>String</code> into an <code>int</code>
* using the specified radix (base). The string must not be <code>null</code>
* or empty. It may begin with an optional '-', which will negate the answer,
* provided that there are also valid digits. Each digit is parsed as if by
* <code>Character.digit(d, radix)</code>, and must be in the range
* <code>0</code> to <code>radix - 1</code>. Finally, the result must be
* within <code>MIN_VALUE</code> to <code>MAX_VALUE</code>, inclusive.
* Unlike Double.parseDouble, you may not have a leading '+'.
*
* @param s the <code>String</code> to convert
* @param radix the radix (base) to use in the conversion
* @return the <code>String</code> argument converted to <code>byte</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>byte</code>
*/
public static byte parseByte(String s, int radix)
{
int i = Integer.parseInt(s, radix, false);
if ((byte) i != i)
throw new NumberFormatException();
return (byte) i;
}
/**
* Creates a new <code>Byte</code> object using the <code>String</code>
* and specified radix (base).
*
* @param s the <code>String</code> to convert
* @param radix the radix (base) to convert with
* @return the new <code>Byte</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>byte</code>
* @see #parseByte(String, int)
*/
public static Byte valueOf(String s, int radix)
{
return new Byte(parseByte(s, radix));
}
/**
* Creates a new <code>Byte</code> object using the <code>String</code>,
* assuming a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the new <code>Byte</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>byte</code>
* @see #Byte(String)
* @see #parseByte(String)
*/
public static Byte valueOf(String s)
{
return new Byte(parseByte(s, 10));
}
/**
* Convert the specified <code>String</code> into a <code>Byte</code>.
* The <code>String</code> may represent decimal, hexadecimal, or
* octal numbers.
*
* <p>The extended BNF grammar is as follows:<br>
* <pre>
* <em>DecodableString</em>:
* ( [ <code>-</code> ] <em>DecimalNumber</em> )
* | ( [ <code>-</code> ] ( <code>0x</code> | <code>0X</code>
* | <code>#</code> ) { <em>HexDigit</em> }+ )
* | ( [ <code>-</code> ] <code>0</code> { <em>OctalDigit</em> } )
* <em>DecimalNumber</em>:
* <em>DecimalDigit except '0'</em> { <em>DecimalDigit</em> }
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 10) has value 0 to 9</em>
* <em>OctalDigit</em>:
* <em>Character.digit(d, 8) has value 0 to 7</em>
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 16) has value 0 to 15</em>
* </pre>
* Finally, the value must be in the range <code>MIN_VALUE</code> to
* <code>MAX_VALUE</code>, or an exception is thrown.
*
* @param s the <code>String</code> to interpret
* @return the value of the String as a <code>Byte</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>byte</code>
* @throws NullPointerException if <code>s</code> is null
* @see Integer#decode(String)
*/
public static Byte decode(String s)
{
int i = Integer.parseInt(s, 10, true);
if ((byte) i != i)
throw new NumberFormatException();
return new Byte((byte) i);
}
/**
* Return the value of this <code>Byte</code>.
*
* @return the byte value
*/
public byte byteValue()
{
return value;
}
/**
* Return the value of this <code>Byte</code> as a <code>short</code>.
*
* @return the short value
*/
public short shortValue()
{
return value;
}
/**
* Return the value of this <code>Byte</code> as an <code>int</code>.
*
* @return the int value
*/
public int intValue()
{
return value;
}
/**
* Return the value of this <code>Byte</code> as a <code>long</code>.
*
* @return the long value
*/
public long longValue()
{
return value;
}
/**
* Return the value of this <code>Byte</code> as a <code>float</code>.
*
* @return the float value
*/
public float floatValue()
{
return value;
}
/**
* Return the value of this <code>Byte</code> as a <code>double</code>.
*
* @return the double value
*/
public double doubleValue()
{
return value;
}
/**
* Converts the <code>Byte</code> value to a <code>String</code> and
* assumes a radix of 10.
*
* @return the <code>String</code> representation of this <code>Byte</code>
* @see Integer#toString()
*/
public String toString()
{
return String.valueOf((int)value);
}
/**
* Return a hashcode representing this Object. <code>Byte</code>'s hash
* code is simply its value.
*
* @return this Object's hash code
*/
public int hashCode()
{
return value;
}
/**
* Returns <code>true</code> if <code>obj</code> is an instance of
* <code>Byte</code> and represents the same byte value.
*
* @param obj the object to compare
* @return whether these Objects are semantically equal
*/
public boolean equals(Object obj)
{
return obj instanceof Byte && value == ((Byte) obj).value;
}
/**
* Compare two Bytes numerically by comparing their <code>byte</code> values.
* The result is positive if the first is greater, negative if the second
* is greater, and 0 if the two are equal.
*
* @param b the Byte to compare
* @return the comparison
* @since 1.2
*/
public int compareTo(Byte b)
{
return value - b.value;
}
/**
* Behaves like <code>compareTo(Byte)</code> unless the Object
* is not a <code>Byte</code>.
*
* @param o the object to compare
* @return the comparison
* @throws ClassCastException if the argument is not a <code>Byte</code>
* @see #compareTo(Byte)
* @see Comparable
* @since 1.2
*/
public int compareTo(Object o)
{
return compareTo((Byte) o);
}
}

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/* Integer.java -- object wrapper for int
Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.lang;
/**
* Instances of class <code>Integer</code> represent primitive
* <code>int</code> values.
*
* Additionally, this class provides various helper functions and variables
* related to ints.
*
* @author Paul Fisher
* @author John Keiser
* @author Warren Levy
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.0
* @status updated to 1.4
*/
public final class Integer extends Number implements Comparable
{
/**
* Compatible with JDK 1.0.2+.
*/
private static final long serialVersionUID = 1360826667806852920L;
/**
* The minimum value an <code>int</code> can represent is -2147483648 (or
* -2<sup>31</sup>).
*/
public static final int MIN_VALUE = 0x80000000;
/**
* The maximum value an <code>int</code> can represent is 2147483647 (or
* 2<sup>31</sup> - 1).
*/
public static final int MAX_VALUE = 0x7fffffff;
/**
* The primitive type <code>int</code> is represented by this
* <code>Class</code> object.
* @since 1.1
*/
//public static final Class TYPE = VMClassLoader.getPrimitiveClass('I');
/**
* The immutable value of this Integer.
*
* @serial the wrapped int
*/
private final int value;
/**
* Create an <code>Integer</code> object representing the value of the
* <code>int</code> argument.
*
* @param value the value to use
*/
public Integer(int value)
{
this.value = value;
}
/**
* Create an <code>Integer</code> object representing the value of the
* argument after conversion to an <code>int</code>.
*
* @param s the string to convert
* @throws NumberFormatException if the String does not contain an int
* @see #valueOf(String)
*/
public Integer(String s)
{
value = parseInt(s, 10, false);
}
/**
* Converts the <code>int</code> to a <code>String</code> using
* the specified radix (base). If the radix exceeds
* <code>Character.MIN_RADIX</code> or <code>Character.MAX_RADIX</code>, 10
* is used instead. If the result is negative, the leading character is
* '-' ('\\u002D'). The remaining characters come from
* <code>Character.forDigit(digit, radix)</code> ('0'-'9','a'-'z').
*
* @param num the <code>int</code> to convert to <code>String</code>
* @param radix the radix (base) to use in the conversion
* @return the <code>String</code> representation of the argument
*/
public static String toString(int num, int radix)
{
if (radix < Character.MIN_RADIX || radix > Character.MAX_RADIX)
radix = 10;
// For negative numbers, print out the absolute value w/ a leading '-'.
// Use an array large enough for a binary number.
char[] buffer = new char[33];
int i = 33;
boolean isNeg = false;
if (num < 0)
{
isNeg = true;
num = -num;
// When the value is MIN_VALUE, it overflows when made positive
if (num < 0)
{
buffer[--i] = digits[(int) (-(num + radix) % radix)];
num = -(num / radix);
}
}
do
{
buffer[--i] = digits[num % radix];
num /= radix;
}
while (num > 0);
if (isNeg)
buffer[--i] = '-';
// Package constructor avoids an array copy.
return new String(buffer, i, 33 - i);
}
/**
* Converts the <code>int</code> to a <code>String</code> assuming it is
* unsigned in base 16.
*
* @param i the <code>int</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toHexString(int i)
{
return toUnsignedString(i, 4);
}
/**
* Converts the <code>int</code> to a <code>String</code> assuming it is
* unsigned in base 8.
*
* @param i the <code>int</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toOctalString(int i)
{
return toUnsignedString(i, 3);
}
/**
* Converts the <code>int</code> to a <code>String</code> assuming it is
* unsigned in base 2.
*
* @param i the <code>int</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toBinaryString(int i)
{
return toUnsignedString(i, 1);
}
/**
* Converts the <code>int</code> to a <code>String</code> and assumes
* a radix of 10.
*
* @param i the <code>int</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
* @see #toString(int, int)
*/
public static String toString(int i)
{
// This is tricky: in libgcj, String.valueOf(int) is a fast native
// implementation. In Classpath it just calls back to
// Integer.toString(int, int).
return String.valueOf(i);
}
/**
* Converts the specified <code>String</code> into an <code>int</code>
* using the specified radix (base). The string must not be <code>null</code>
* or empty. It may begin with an optional '-', which will negate the answer,
* provided that there are also valid digits. Each digit is parsed as if by
* <code>Character.digit(d, radix)</code>, and must be in the range
* <code>0</code> to <code>radix - 1</code>. Finally, the result must be
* within <code>MIN_VALUE</code> to <code>MAX_VALUE</code>, inclusive.
* Unlike Double.parseDouble, you may not have a leading '+'.
*
* @param str the <code>String</code> to convert
* @param radix the radix (base) to use in the conversion
* @return the <code>String</code> argument converted to <code>int</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as an
* <code>int</code>
*/
public static int parseInt(String str, int radix)
{
return parseInt(str, radix, false);
}
/**
* Converts the specified <code>String</code> into an <code>int</code>.
* This function assumes a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the <code>int</code> value of <code>s</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as an
* <code>int</code>
* @see #parseInt(String, int)
*/
public static int parseInt(String s)
{
return parseInt(s, 10, false);
}
/**
* Creates a new <code>Integer</code> object using the <code>String</code>
* and specified radix (base).
*
* @param s the <code>String</code> to convert
* @param radix the radix (base) to convert with
* @return the new <code>Integer</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as an
* <code>int</code>
* @see #parseInt(String, int)
*/
public static Integer valueOf(String s, int radix)
{
return new Integer(parseInt(s, radix, false));
}
/**
* Creates a new <code>Integer</code> object using the <code>String</code>,
* assuming a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the new <code>Integer</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as an
* <code>int</code>
* @see #Integer(String)
* @see #parseInt(String)
*/
public static Integer valueOf(String s)
{
return new Integer(parseInt(s, 10, false));
}
/**
* Return the value of this <code>Integer</code> as a <code>byte</code>.
*
* @return the byte value
*/
public byte byteValue()
{
return (byte) value;
}
/**
* Return the value of this <code>Integer</code> as a <code>short</code>.
*
* @return the short value
*/
public short shortValue()
{
return (short) value;
}
/**
* Return the value of this <code>Integer</code>.
* @return the int value
*/
public int intValue()
{
return value;
}
/**
* Return the value of this <code>Integer</code> as a <code>long</code>.
*
* @return the long value
*/
public long longValue()
{
return value;
}
/**
* Return the value of this <code>Integer</code> as a <code>float</code>.
*
* @return the float value
*/
public float floatValue()
{
return value;
}
/**
* Return the value of this <code>Integer</code> as a <code>double</code>.
*
* @return the double value
*/
public double doubleValue()
{
return value;
}
/**
* Converts the <code>Integer</code> value to a <code>String</code> and
* assumes a radix of 10.
*
* @return the <code>String</code> representation
*/
public String toString()
{
return String.valueOf(value);
}
/**
* Return a hashcode representing this Object. <code>Integer</code>'s hash
* code is simply its value.
*
* @return this Object's hash code
*/
public int hashCode()
{
return value;
}
/**
* Returns <code>true</code> if <code>obj</code> is an instance of
* <code>Integer</code> and represents the same int value.
*
* @param obj the object to compare
* @return whether these Objects are semantically equal
*/
public boolean equals(Object obj)
{
return obj instanceof Integer && value == ((Integer) obj).value;
}
/**
* Get the specified system property as an <code>Integer</code>. The
* <code>decode()</code> method will be used to interpret the value of
* the property.
*
* @param nm the name of the system property
* @return the system property as an <code>Integer</code>, or null if the
* property is not found or cannot be decoded
* @throws SecurityException if accessing the system property is forbidden
* @see System#getProperty(String)
* @see #decode(String)
*/
public static Integer getInteger(String nm)
{
return getInteger(nm, null);
}
/**
* Get the specified system property as an <code>Integer</code>, or use a
* default <code>int</code> value if the property is not found or is not
* decodable. The <code>decode()</code> method will be used to interpret
* the value of the property.
*
* @param nm the name of the system property
* @param val the default value
* @return the value of the system property, or the default
* @throws SecurityException if accessing the system property is forbidden
* @see System#getProperty(String)
* @see #decode(String)
*/
public static Integer getInteger(String nm, int val)
{
Integer result = getInteger(nm, null);
return result == null ? new Integer(val) : result;
}
/**
* Get the specified system property as an <code>Integer</code>, or use a
* default <code>Integer</code> value if the property is not found or is
* not decodable. The <code>decode()</code> method will be used to
* interpret the value of the property.
*
* @param nm the name of the system property
* @param def the default value
* @return the value of the system property, or the default
* @throws SecurityException if accessing the system property is forbidden
* @see System#getProperty(String)
* @see #decode(String)
*/
public static Integer getInteger(String nm, Integer def)
{
if (nm == null || "".equals(nm))
return def;
else
return def;
/*nm = System.getProperty(nm);
if (nm == null)
return def;
try
{
return decode(nm);
}
catch (NumberFormatException e)
{
return def;
}*/
}
/**
* Convert the specified <code>String</code> into an <code>Integer</code>.
* The <code>String</code> may represent decimal, hexadecimal, or
* octal numbers.
*
* <p>The extended BNF grammar is as follows:<br>
* <pre>
* <em>DecodableString</em>:
* ( [ <code>-</code> ] <em>DecimalNumber</em> )
* | ( [ <code>-</code> ] ( <code>0x</code> | <code>0X</code>
* | <code>#</code> ) <em>HexDigit</em> { <em>HexDigit</em> } )
* | ( [ <code>-</code> ] <code>0</code> { <em>OctalDigit</em> } )
* <em>DecimalNumber</em>:
* <em>DecimalDigit except '0'</em> { <em>DecimalDigit</em> }
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 10) has value 0 to 9</em>
* <em>OctalDigit</em>:
* <em>Character.digit(d, 8) has value 0 to 7</em>
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 16) has value 0 to 15</em>
* </pre>
* Finally, the value must be in the range <code>MIN_VALUE</code> to
* <code>MAX_VALUE</code>, or an exception is thrown.
*
* @param str the <code>String</code> to interpret
* @return the value of the String as an <code>Integer</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>int</code>
* @throws NullPointerException if <code>s</code> is null
* @since 1.2
*/
public static Integer decode(String str)
{
return new Integer(parseInt(str, 10, true));
}
/**
* Compare two Integers numerically by comparing their <code>int</code>
* values. The result is positive if the first is greater, negative if the
* second is greater, and 0 if the two are equal.
*
* @param i the Integer to compare
* @return the comparison
* @since 1.2
*/
public int compareTo(Integer i)
{
if (value == i.value)
return 0;
// Returns just -1 or 1 on inequality; doing math might overflow.
return value > i.value ? 1 : -1;
}
/**
* Behaves like <code>compareTo(Integer)</code> unless the Object
* is not an <code>Integer</code>.
*
* @param o the object to compare
* @return the comparison
* @throws ClassCastException if the argument is not an <code>Integer</code>
* @see #compareTo(Integer)
* @see Comparable
* @since 1.2
*/
public int compareTo(Object o)
{
return compareTo((Integer) o);
}
/**
* Helper for converting unsigned numbers to String.
*
* @param num the number
* @param exp log2(digit) (ie. 1, 3, or 4 for binary, oct, hex)
*/
// Package visible for use by Long.
static String toUnsignedString(int num, int exp)
{
// Use an array large enough for a binary number.
int mask = (1 << exp) - 1;
char[] buffer = new char[32];
int i = 32;
do
{
buffer[--i] = digits[num & mask];
num >>>= exp;
}
while (num != 0);
// Package constructor avoids an array copy.
return new String(buffer, i, 32 - i);
}
/**
* Helper for parsing ints, used by Integer, Short, and Byte.
*
* @param str the string to parse
* @param radix the radix to use, must be 10 if decode is true
* @param decode if called from decode
* @return the parsed int value
* @throws NumberFormatException if there is an error
* @throws NullPointerException if decode is true and str if null
* @see #parseInt(String, int)
* @see #decode(String)
* @see Byte#parseInt(String, int)
* @see Short#parseInt(String, int)
*/
static int parseInt(String str, int radix, boolean decode)
{
if (! decode && str == null)
throw new NumberFormatException("parseInt cannot convert an empty String into an int");
int index = 0;
int len = str.length();
boolean isNeg = false;
if (len == 0)
throw new NumberFormatException("parseInt cannot convert and empty String into an int");
int ch = (int) str.charAt(index);
if (ch == '-')
{
if (len == 1)
throw new NumberFormatException("parseInt cannot convert - into an int");
isNeg = true;
ch = str.charAt(++index);
}
if (decode)
{
if (ch == '0')
{
if (++index == len)
return 0;
if ((str.charAt(index) & ~('x' ^ 'X')) == 'X')
{
radix = 16;
index++;
}
else
radix = 8;
}
else if (ch == '#')
{
radix = 16;
index++;
}
}
if (index == len)
throw new NumberFormatException("parseInt cannot convert " + str + " into an int");
int max = MAX_VALUE / radix;
// We can't directly write `max = (MAX_VALUE + 1) / radix'.
// So instead we fake it.
if (isNeg && MAX_VALUE % radix == radix - 1)
++max;
int val = 0;
while (index < len)
{
if (val < 0 || val > max)
throw new NumberFormatException("Number given to parseInt exceeded allowed size.");
ch = Character.digit(str.charAt(index++), radix);
val = val * radix + ch;
if (ch < 0 || (val < 0 && (! isNeg || val != MIN_VALUE)))
throw new NumberFormatException("Input given to parseInt contains non-numeric character");
}
return isNeg ? -val : val;
}
}

616
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@ -0,0 +1,616 @@
/* Long.java -- object wrapper for long
Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.lang;
/**
* Instances of class <code>Long</code> represent primitive
* <code>long</code> values.
*
* Additionally, this class provides various helper functions and variables
* related to longs.
*
* @author Paul Fisher
* @author John Keiser
* @author Warren Levy
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.0
* @status updated to 1.4
*/
public final class Long extends Number implements Comparable
{
/**
* Compatible with JDK 1.0.2+.
*/
private static final long serialVersionUID = 4290774380558885855L;
/**
* The minimum value a <code>long</code> can represent is
* -9223372036854775808L (or -2<sup>63</sup>).
*/
public static final long MIN_VALUE = 0x8000000000000000L;
/**
* The maximum value a <code>long</code> can represent is
* 9223372036854775807 (or 2<sup>63</sup> - 1).
*/
public static final long MAX_VALUE = 0x7fffffffffffffffL;
/**
* The primitive type <code>long</code> is represented by this
* <code>Class</code> object.
* @since 1.1
*/
//public static final Class TYPE = VMClassLoader.getPrimitiveClass ('J');
/**
* The immutable value of this Long.
*
* @serial the wrapped long
*/
private final long value;
/**
* Create a <code>Long</code> object representing the value of the
* <code>long</code> argument.
*
* @param value the value to use
*/
public Long(long value)
{
this.value = value;
}
/**
* Create a <code>Long</code> object representing the value of the
* argument after conversion to a <code>long</code>.
*
* @param s the string to convert
* @throws NumberFormatException if the String does not contain a long
* @see #valueOf(String)
*/
public Long(String s)
{
value = parseLong(s, 10, false);
}
/**
* Converts the <code>long</code> to a <code>String</code> using
* the specified radix (base). If the radix exceeds
* <code>Character.MIN_RADIX</code> or <code>Character.MAX_RADIX</code>, 10
* is used instead. If the result is negative, the leading character is
* '-' ('\\u002D'). The remaining characters come from
* <code>Character.forDigit(digit, radix)</code> ('0'-'9','a'-'z').
*
* @param num the <code>long</code> to convert to <code>String</code>
* @param radix the radix (base) to use in the conversion
* @return the <code>String</code> representation of the argument
*/
public static String toString(long num, int radix)
{
// Use the Integer toString for efficiency if possible.
if ((int) num == num)
return Integer.toString((int) num, radix);
if (radix < Character.MIN_RADIX || radix > Character.MAX_RADIX)
radix = 10;
// For negative numbers, print out the absolute value w/ a leading '-'.
// Use an array large enough for a binary number.
char[] buffer = new char[65];
int i = 65;
boolean isNeg = false;
if (num < 0)
{
isNeg = true;
num = -num;
// When the value is MIN_VALUE, it overflows when made positive
if (num < 0)
{
buffer[--i] = digits[(int) (-(num + radix) % radix)];
num = -(num / radix);
}
}
do
{
buffer[--i] = digits[(int) (num % radix)];
num /= radix;
}
while (num > 0);
if (isNeg)
buffer[--i] = '-';
// Package constructor avoids an array copy.
return new String(buffer, i, 65 - i);
}
/**
* Converts the <code>long</code> to a <code>String</code> assuming it is
* unsigned in base 16.
*
* @param l the <code>long</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toHexString(long l)
{
return toUnsignedString(l, 4);
}
/**
* Converts the <code>long</code> to a <code>String</code> assuming it is
* unsigned in base 8.
*
* @param l the <code>long</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toOctalString(long l)
{
return toUnsignedString(l, 3);
}
/**
* Converts the <code>long</code> to a <code>String</code> assuming it is
* unsigned in base 2.
*
* @param l the <code>long</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toBinaryString(long l)
{
return toUnsignedString(l, 1);
}
/**
* Converts the <code>long</code> to a <code>String</code> and assumes
* a radix of 10.
*
* @param num the <code>long</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
* @see #toString(long, int)
*/
public static String toString(long num)
{
return toString(num, 10);
}
/**
* Converts the specified <code>String</code> into an <code>int</code>
* using the specified radix (base). The string must not be <code>null</code>
* or empty. It may begin with an optional '-', which will negate the answer,
* provided that there are also valid digits. Each digit is parsed as if by
* <code>Character.digit(d, radix)</code>, and must be in the range
* <code>0</code> to <code>radix - 1</code>. Finally, the result must be
* within <code>MIN_VALUE</code> to <code>MAX_VALUE</code>, inclusive.
* Unlike Double.parseDouble, you may not have a leading '+'; and 'l' or
* 'L' as the last character is only valid in radices 22 or greater, where
* it is a digit and not a type indicator.
*
* @param str the <code>String</code> to convert
* @param radix the radix (base) to use in the conversion
* @return the <code>String</code> argument converted to <code>long</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>long</code>
*/
public static long parseLong(String str, int radix)
{
return parseLong(str, radix, false);
}
/**
* Converts the specified <code>String</code> into a <code>long</code>.
* This function assumes a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the <code>int</code> value of <code>s</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>long</code>
* @see #parseLong(String, int)
*/
public static long parseLong(String s)
{
return parseLong(s, 10, false);
}
/**
* Creates a new <code>Long</code> object using the <code>String</code>
* and specified radix (base).
*
* @param s the <code>String</code> to convert
* @param radix the radix (base) to convert with
* @return the new <code>Long</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>long</code>
* @see #parseLong(String, int)
*/
public static Long valueOf(String s, int radix)
{
return new Long(parseLong(s, radix, false));
}
/**
* Creates a new <code>Long</code> object using the <code>String</code>,
* assuming a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the new <code>Long</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>long</code>
* @see #Long(String)
* @see #parseLong(String)
*/
public static Long valueOf(String s)
{
return new Long(parseLong(s, 10, false));
}
/**
* Convert the specified <code>String</code> into a <code>Long</code>.
* The <code>String</code> may represent decimal, hexadecimal, or
* octal numbers.
*
* <p>The extended BNF grammar is as follows:<br>
* <pre>
* <em>DecodableString</em>:
* ( [ <code>-</code> ] <em>DecimalNumber</em> )
* | ( [ <code>-</code> ] ( <code>0x</code> | <code>0X</code>
* | <code>#</code> ) <em>HexDigit</em> { <em>HexDigit</em> } )
* | ( [ <code>-</code> ] <code>0</code> { <em>OctalDigit</em> } )
* <em>DecimalNumber</em>:
* <em>DecimalDigit except '0'</em> { <em>DecimalDigit</em> }
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 10) has value 0 to 9</em>
* <em>OctalDigit</em>:
* <em>Character.digit(d, 8) has value 0 to 7</em>
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 16) has value 0 to 15</em>
* </pre>
* Finally, the value must be in the range <code>MIN_VALUE</code> to
* <code>MAX_VALUE</code>, or an exception is thrown. Note that you cannot
* use a trailing 'l' or 'L', unlike in Java source code.
*
* @param str the <code>String</code> to interpret
* @return the value of the String as a <code>Long</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>long</code>
* @throws NullPointerException if <code>s</code> is null
* @since 1.2
*/
public static Long decode(String str)
{
return new Long(parseLong(str, 10, true));
}
/**
* Return the value of this <code>Long</code> as a <code>byte</code>.
*
* @return the byte value
*/
public byte byteValue()
{
return (byte) value;
}
/**
* Return the value of this <code>Long</code> as a <code>short</code>.
*
* @return the short value
*/
public short shortValue()
{
return (short) value;
}
/**
* Return the value of this <code>Long</code> as an <code>int</code>.
*
* @return the int value
*/
public int intValue()
{
return (int) value;
}
/**
* Return the value of this <code>Long</code>.
*
* @return the long value
*/
public long longValue()
{
return value;
}
/**
* Return the value of this <code>Long</code> as a <code>float</code>.
*
* @return the float value
*/
public float floatValue()
{
return value;
}
/**
* Return the value of this <code>Long</code> as a <code>double</code>.
*
* @return the double value
*/
public double doubleValue()
{
return value;
}
/**
* Converts the <code>Long</code> value to a <code>String</code> and
* assumes a radix of 10.
*
* @return the <code>String</code> representation
*/
public String toString()
{
return toString(value, 10);
}
/**
* Return a hashcode representing this Object. <code>Long</code>'s hash
* code is calculated by <code>(int) (value ^ (value &gt;&gt; 32))</code>.
*
* @return this Object's hash code
*/
public int hashCode()
{
return (int) (value ^ (value >>> 32));
}
/**
* Returns <code>true</code> if <code>obj</code> is an instance of
* <code>Long</code> and represents the same long value.
*
* @param obj the object to compare
* @return whether these Objects are semantically equal
*/
public boolean equals(Object obj)
{
return obj instanceof Long && value == ((Long) obj).value;
}
/**
* Get the specified system property as a <code>Long</code>. The
* <code>decode()</code> method will be used to interpret the value of
* the property.
*
* @param nm the name of the system property
* @return the system property as a <code>Long</code>, or null if the
* property is not found or cannot be decoded
* @throws SecurityException if accessing the system property is forbidden
* @see System#getProperty(String)
* @see #decode(String)
*/
public static Long getLong(String nm)
{
return getLong(nm, null);
}
/**
* Get the specified system property as a <code>Long</code>, or use a
* default <code>long</code> value if the property is not found or is not
* decodable. The <code>decode()</code> method will be used to interpret
* the value of the property.
*
* @param nm the name of the system property
* @param val the default value
* @return the value of the system property, or the default
* @throws SecurityException if accessing the system property is forbidden
* @see System#getProperty(String)
* @see #decode(String)
*/
public static Long getLong(String nm, long val)
{
Long result = getLong(nm, null);
return result == null ? new Long(val) : result;
}
/**
* Get the specified system property as a <code>Long</code>, or use a
* default <code>Long</code> value if the property is not found or is
* not decodable. The <code>decode()</code> method will be used to
* interpret the value of the property.
*
* @param nm the name of the system property
* @param def the default value
* @return the value of the system property, or the default
* @throws SecurityException if accessing the system property is forbidden
* @see System#getProperty(String)
* @see #decode(String)
*/
public static Long getLong(String nm, Long def)
{
if (nm == null || "".equals(nm))
return def;
else
return def;
/*nm = System.getProperty(nm);
if (nm == null)
return def;
try
{
return decode(nm);
}
catch (NumberFormatException e)
{
return def;
}*/
}
/**
* Compare two Longs numerically by comparing their <code>long</code>
* values. The result is positive if the first is greater, negative if the
* second is greater, and 0 if the two are equal.
*
* @param l the Long to compare
* @return the comparison
* @since 1.2
*/
public int compareTo(Long l)
{
if (value == l.value)
return 0;
// Returns just -1 or 1 on inequality; doing math might overflow the long.
return value > l.value ? 1 : -1;
}
/**
* Behaves like <code>compareTo(Long)</code> unless the Object
* is not a <code>Long</code>.
*
* @param o the object to compare
* @return the comparison
* @throws ClassCastException if the argument is not a <code>Long</code>
* @see #compareTo(Long)
* @see Comparable
* @since 1.2
*/
public int compareTo(Object o)
{
return compareTo((Long) o);
}
/**
* Helper for converting unsigned numbers to String.
*
* @param num the number
* @param exp log2(digit) (ie. 1, 3, or 4 for binary, oct, hex)
*/
private static String toUnsignedString(long num, int exp)
{
// Use the Integer toUnsignedString for efficiency if possible.
// If NUM<0 then this particular optimization doesn't work
// properly.
if (num >= 0 && (int) num == num)
return Integer.toUnsignedString((int) num, exp);
// Use an array large enough for a binary number.
int mask = (1 << exp) - 1;
char[] buffer = new char[64];
int i = 64;
do
{
buffer[--i] = digits[(int) num & mask];
num >>>= exp;
}
while (num != 0);
// Package constructor avoids an array copy.
return new String(buffer, i, 64 - i);
}
/**
* Helper for parsing longs.
*
* @param str the string to parse
* @param radix the radix to use, must be 10 if decode is true
* @param decode if called from decode
* @return the parsed long value
* @throws NumberFormatException if there is an error
* @throws NullPointerException if decode is true and str is null
* @see #parseLong(String, int)
* @see #decode(String)
*/
private static long parseLong(String str, int radix, boolean decode)
{
if (! decode && str == null)
throw new NumberFormatException();
int index = 0;
int len = str.length();
boolean isNeg = false;
if (len == 0)
throw new NumberFormatException();
int ch = str.charAt(index);
if (ch == '-')
{
if (len == 1)
throw new NumberFormatException();
isNeg = true;
ch = str.charAt(++index);
}
if (decode)
{
if (ch == '0')
{
if (++index == len)
return 0;
if ((str.charAt(index) & ~('x' ^ 'X')) == 'X')
{
radix = 16;
index++;
}
else
radix = 8;
}
else if (ch == '#')
{
radix = 16;
index++;
}
}
if (index == len)
throw new NumberFormatException();
long max = MAX_VALUE / radix;
// We can't directly write `max = (MAX_VALUE + 1) / radix'.
// So instead we fake it.
if (isNeg && MAX_VALUE % radix == radix - 1)
++max;
long val = 0;
while (index < len)
{
if (val < 0 || val > max)
throw new NumberFormatException();
ch = Character.digit(str.charAt(index++), radix);
val = val * radix + ch;
if (ch < 0 || (val < 0 && (! isNeg || val != MIN_VALUE)))
throw new NumberFormatException();
}
return isNeg ? -val : val;
}
}

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/* Short.java -- object wrapper for short
Copyright (C) 1998, 2001, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module. An independent module is a module which is not derived from
or based on this library. If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so. If you do not wish to do so, delete this
exception statement from your version. */
package java.lang;
/**
* Instances of class <code>Short</code> represent primitive
* <code>short</code> values.
*
* Additionally, this class provides various helper functions and variables
* related to shorts.
*
* @author Paul Fisher
* @author John Keiser
* @author Eric Blake <ebb9@email.byu.edu>
* @since 1.1
* @status updated to 1.4
*/
public final class Short extends Number implements Comparable
{
/**
* Compatible with JDK 1.1+.
*/
private static final long serialVersionUID = 7515723908773894738L;
/**
* The minimum value a <code>short</code> can represent is -32768 (or
* -2<sup>15</sup>).
*/
public static final short MIN_VALUE = (short) -32768;
/**
* The minimum value a <code>short</code> can represent is 32767 (or
* 2<sup>15</sup>).
*/
public static final short MAX_VALUE = (short) 32767;
/**
* The primitive type <code>short</code> is represented by this
* <code>Class</code> object.
*/
//public static final Class TYPE = VMClassLoader.getPrimitiveClass('S');
/**
* The immutable value of this Short.
*
* @serial the wrapped short
*/
private final short value;
/**
* Create a <code>Short</code> object representing the value of the
* <code>short</code> argument.
*
* @param value the value to use
*/
public Short(short value)
{
this.value = value;
}
/**
* Create a <code>Short</code> object representing the value of the
* argument after conversion to a <code>short</code>.
*
* @param s the string to convert
* @throws NumberFormatException if the String cannot be parsed
*/
public Short(String s)
{
value = parseShort(s, 10);
}
/**
* Converts the <code>short</code> to a <code>String</code> and assumes
* a radix of 10.
*
* @param s the <code>short</code> to convert to <code>String</code>
* @return the <code>String</code> representation of the argument
*/
public static String toString(short s)
{
return String.valueOf((int) s);
}
/**
* Converts the specified <code>String</code> into a <code>short</code>.
* This function assumes a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the <code>short</code> value of <code>s</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>short</code>
*/
public static short parseShort(String s)
{
return parseShort(s, 10);
}
/**
* Converts the specified <code>String</code> into a <code>short</code>
* using the specified radix (base). The string must not be <code>null</code>
* or empty. It may begin with an optional '-', which will negate the answer,
* provided that there are also valid digits. Each digit is parsed as if by
* <code>Character.digit(d, radix)</code>, and must be in the range
* <code>0</code> to <code>radix - 1</code>. Finally, the result must be
* within <code>MIN_VALUE</code> to <code>MAX_VALUE</code>, inclusive.
* Unlike Double.parseDouble, you may not have a leading '+'.
*
* @param s the <code>String</code> to convert
* @param radix the radix (base) to use in the conversion
* @return the <code>String</code> argument converted to <code>short</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>short</code>
*/
public static short parseShort(String s, int radix)
{
int i = Integer.parseInt(s, radix, false);
if ((short) i != i)
throw new NumberFormatException();
return (short) i;
}
/**
* Creates a new <code>Short</code> object using the <code>String</code>
* and specified radix (base).
*
* @param s the <code>String</code> to convert
* @param radix the radix (base) to convert with
* @return the new <code>Short</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>short</code>
* @see #parseShort(String, int)
*/
public static Short valueOf(String s, int radix)
{
return new Short(parseShort(s, radix));
}
/**
* Creates a new <code>Short</code> object using the <code>String</code>,
* assuming a radix of 10.
*
* @param s the <code>String</code> to convert
* @return the new <code>Short</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>short</code>
* @see #Short(String)
* @see #parseShort(String)
*/
public static Short valueOf(String s)
{
return new Short(parseShort(s, 10));
}
/**
* Convert the specified <code>String</code> into a <code>Short</code>.
* The <code>String</code> may represent decimal, hexadecimal, or
* octal numbers.
*
* <p>The extended BNF grammar is as follows:<br>
* <pre>
* <em>DecodableString</em>:
* ( [ <code>-</code> ] <em>DecimalNumber</em> )
* | ( [ <code>-</code> ] ( <code>0x</code> | <code>0X</code>
* | <code>#</code> ) <em>HexDigit</em> { <em>HexDigit</em> } )
* | ( [ <code>-</code> ] <code>0</code> { <em>OctalDigit</em> } )
* <em>DecimalNumber</em>:
* <em>DecimalDigit except '0'</em> { <em>DecimalDigit</em> }
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 10) has value 0 to 9</em>
* <em>OctalDigit</em>:
* <em>Character.digit(d, 8) has value 0 to 7</em>
* <em>DecimalDigit</em>:
* <em>Character.digit(d, 16) has value 0 to 15</em>
* </pre>
* Finally, the value must be in the range <code>MIN_VALUE</code> to
* <code>MAX_VALUE</code>, or an exception is thrown.
*
* @param s the <code>String</code> to interpret
* @return the value of the String as a <code>Short</code>
* @throws NumberFormatException if <code>s</code> cannot be parsed as a
* <code>short</code>
* @throws NullPointerException if <code>s</code> is null
* @see Integer#decode(String)
*/
public static Short decode(String s)
{
int i = Integer.parseInt(s, 10, true);
if ((short) i != i)
throw new NumberFormatException();
return new Short((short) i);
}
/**
* Return the value of this <code>Short</code> as a <code>byte</code>.
*
* @return the byte value
*/
public byte byteValue()
{
return (byte) value;
}
/**
* Return the value of this <code>Short</code>.
*
* @return the short value
*/
public short shortValue()
{
return value;
}
/**
* Return the value of this <code>Short</code> as an <code>int</code>.
*
* @return the int value
*/
public int intValue()
{
return value;
}
/**
* Return the value of this <code>Short</code> as a <code>long</code>.
*
* @return the long value
*/
public long longValue()
{
return value;
}
/**
* Return the value of this <code>Short</code> as a <code>float</code>.
*
* @return the float value
*/
public float floatValue()
{
return value;
}
/**
* Return the value of this <code>Short</code> as a <code>double</code>.
*
* @return the double value
*/
public double doubleValue()
{
return value;
}
/**
* Converts the <code>Short</code> value to a <code>String</code> and
* assumes a radix of 10.
*
* @return the <code>String</code> representation of this <code>Short</code>
*/
public String toString()
{
return String.valueOf((int) value);
}
/**
* Return a hashcode representing this Object. <code>Short</code>'s hash
* code is simply its value.
*
* @return this Object's hash code
*/
public int hashCode()
{
return value;
}
/**
* Returns <code>true</code> if <code>obj</code> is an instance of
* <code>Short</code> and represents the same short value.
*
* @param obj the object to compare
* @return whether these Objects are semantically equal
*/
public boolean equals(Object obj)
{
return obj instanceof Short && value == ((Short) obj).value;
}
/**
* Compare two Shorts numerically by comparing their <code>short</code>
* values. The result is positive if the first is greater, negative if the
* second is greater, and 0 if the two are equal.
*
* @param s the Short to compare
* @return the comparison
* @since 1.2
*/
public int compareTo(Short s)
{
return value - s.value;
}
/**
* Behaves like <code>compareTo(Short)</code> unless the Object
* is not a <code>Short</code>.
*
* @param o the object to compare
* @return the comparison
* @throws ClassCastException if the argument is not a <code>Short</code>
* @see #compareTo(Short)
* @see Comparable
* @since 1.2
*/
public int compareTo(Object o)
{
return compareTo((Short)o);
}
}

14
collects/profj/libs/java/lang/installer.ss
View File

@ -17,10 +17,22 @@
#f
#f)))])
(javac "Util.djava")
;(printf "util~n")
(javac "Math.java")
;(printf "math~n")
(javac "System.java")
;(printf "sys~n")
(javac "Number.java")
;(printf "num~n")
(javac "Boolean.java")
;(printf "boolean ~n")
(javac "Character.djava")
;(printf "character ~n")
(javac "Integer.java")
;(printf "integer~n")
(javac "Short.java")
(javac "Byte.java")
(javac "Long.java")
(javac "Double.java")
(javac "Float.java")
(javac "Boolean.java")
(javac "CharSequence.java")))))

17
collects/profj/libs/java/lang/mz.ss Normal file
View File

@ -0,0 +1,17 @@
(module mz mzscheme
(provide (all-defined))
(define downcase char-downcase)
(define lower-case? char-lower-case?)
(define upcase char-upcase)
(define upper-case? char-upper-case?)
(define title-case? char-title-case?)
(define numeric? char-numeric?)
(define alphabetic? char-alphabetic?)
(define titlecase char-titlecase)
(define whitespace? char-whitespace?)
(define blank? char-blank?)
(define iso-control? char-iso-control?)
(define get-num string->number)
(define bool? boolean?)
)

48
collects/profj/tester.scm
View File

@ -179,14 +179,16 @@
(send current-tab current-test-editor content)
(unless curr-win
(send current-tab current-test-window window)
(send drscheme-frame register-test-window window))
(send window update-switch
(lambda () (send drscheme-frame dock-tests)))
(send window update-closer
(lambda()
(send drscheme-frame deregister-test-window window)
(send current-tab current-test-window #f)
(send current-tab current-test-editor #f)))
(send drscheme-frame register-test-window window)
(send window update-switch
(lambda () (send drscheme-frame dock-tests)))
(send window update-disable
(lambda () (send current-tab update-test-preference #f)))
(send window update-closer
(lambda()
(send drscheme-frame deregister-test-window window)
(send current-tab current-test-window #f)
(send current-tab current-test-editor #f))))
(if (get-preference 'profj:test-window:docked?
(lambda () (put-preferences '(profj:test-window:docked?) '(#f)) #f))
(send drscheme-frame display-test-panel content)
@ -281,6 +283,7 @@
(define editor #f)
(define switch-func void)
(define disable-func void)
(define close-cleanup void)
(define content
@ -302,7 +305,7 @@
button-panel
(lambda (b c)
(when (eq? 'button (send c get-event-type))
(put-preferences '(profj:test-enable) '(#f))
(disable-func)
(close-cleanup)
(send this show #f))))
(make-object button%
@ -324,6 +327,8 @@
(set! switch-func thunk))
(define/public (update-closer thunk)
(set! close-cleanup thunk))
(define/public (update-disable thunk)
(set! disable-func thunk))
))
(define test-panel%
@ -356,7 +361,7 @@
(lambda (b c)
(when (eq? 'button (send c get-event-type))
(hide)
(put-preferences '(profj:test-enable) '(#f)))))
(send (send frame get-current-tab) update-test-preference #f))))
(make-object button%
(string-constant undock)
button-panel
@ -563,7 +568,7 @@
(class % ()
(inherit get-current-tab)
(define/public (display-test-panel editor)
(send test-panel update-editor editor)
(unless (send test-panel is-shown?)
@ -618,7 +623,7 @@
(define (test-tab%-mixin %)
(class % ()
(inherit get-frame)
(inherit get-frame get-defs)
(define test-editor #f)
(define/public (get-test-editor) test-editor)
@ -630,6 +635,25 @@
(define/public (current-test-window w)
(set! test-window w))
(define/public (update-test-preference test?)
(let* ([language-settings
(preferences:get
(drscheme:language-configuration:get-settings-preferences-symbol))]
[language
(drscheme:language-configuration:language-settings-language
language-settings)]
[settings
(drscheme:language-configuration:language-settings-settings
language-settings)])
(when (object-method-arity-includes? language 'update-test-setting 2)
(let ((next-setting (drscheme:language-configuration:make-language-settings
language
(send language update-test-setting settings test?))))
(preferences:set
(drscheme:language-configuration:get-settings-preferences-symbol)
next-setting)
(send (get-defs) set-next-settings next-setting)))))
(define/augment (on-close)
(when test-window
(when (send test-window is-shown?)

26
collects/profj/tool.ss
View File

@ -179,9 +179,17 @@
(define/public (default-settings)
(if (memq level `(beginner intermediate advanced))
(make-profj-settings 'field #f #t #t #t null)
(make-profj-settings 'type #f #t #f #t null)))
(make-profj-settings 'type #f #t #f #f null)))
;default-settings? any -> bool
(define/public (default-settings? s) (equal? s (default-settings)))
(define/public (update-test-setting s test?)
(make-profj-settings (profj-settings-print-style s)
(profj-settings-print-full? s)
(profj-settings-allow-check? s)
test?
(profj-settings-coverage? s)
(profj-settings-classpath s)))
;marshall-settings: profj-settings -> (list (list symbol) (list bool) (list string))
(define/public (marshall-settings s)
@ -200,8 +208,7 @@
(pair? (cadddr s)) (= (length (cadddr s)) 1)
(pair? (list-ref s 4)) (= (length (list-ref s 4)) 1))
(make-profj-settings (caar s) (caadr s) (caaddr s)
(get-preference 'profj:test-enable
(lambda () (car (cadddr s))))
(car (cadddr s))
(car (list-ref s 4)) null)
#f))
@ -248,8 +255,6 @@
[update-at (lambda () (void))]
[update-dt (lambda (box event)
(when (eq? 'check-box (send event get-event-type))
(put-preferences '(profj:test-enable)
`(,(send box get-value)))
(send collect-coverage enable (send box get-value))))]
[update-cc (lambda () (void))]
@ -414,8 +419,7 @@
(send print-full set-value (profj-settings-print-full? settings)))
(when (eq? level 'full)
(send allow-testing set-value (profj-settings-allow-check? settings)))
(send display-testing set-value
(get-preference 'profj:test-enable (lambda () (profj-settings-run-tests? settings))))
(send display-testing set-value (profj-settings-run-tests? settings))
(if (send display-testing get-value)
(send collect-coverage set-value (profj-settings-coverage? settings))
(send collect-coverage enable #f))
@ -590,17 +594,13 @@
[n (current-namespace)]
[e (current-eventspace)])
(test-ext? (profj-settings-allow-check? settings))
(tests? (get-preference 'profj:test-enable
(lambda () (profj-settings-run-tests? settings))))
(coverage? (profj-settings-coverage? settings))
(let ((execute-types (create-type-record)))
(read-case-sensitive #t)
(run-in-user-thread
(lambda ()
(test-ext? (profj-settings-allow-check? settings))
(tests? (get-preference 'profj:test-enable
(lambda () (profj-settings-run-tests? settings))))
(coverage? (profj-settings-coverage? settings))
(tests? (profj-settings-run-tests? settings))
(coverage? (and (tests?) (profj-settings-coverage? settings)))
(error-display-handler
(drscheme:debug:make-debug-error-display-handler (error-display-handler)))
(let ((old-current-eval (drscheme:debug:make-debug-eval-handler (current-eval))))

17
collects/tests/profj/advanced-tests.ss
View File

@ -6,6 +6,17 @@
;;Execution tests without errors
(execute-test
"class OneC { }
class TwoC extends OneC { }
class ThreeC extends TwoC { }
class Overload {
int num(OneC o) { return 1; }
int num(TwoC o) { return 2; }
int t() { return num(new ThreeC()); }
}
" 'advanced #f "Overloading resolution")
(execute-test
"class Checkclass { }
class ExampleCheck {
@ -294,8 +305,12 @@ class WeeklyPlanner{
;;Interaction tests, mix of right and error
(interact-test 'advanced '("int a = 1;" "++a") '((void) 2) "Test of ++")
(interact-test
'advanced
'("int a = 'a';" "a" "int b;" "b = 'a';")
'((void) 97 (void) 97) "Conversion of char to int")
(interact-test 'advanced '("int a = 1;" "++a") '((void) 2) "Test of ++")
(interact-test
'advanced

5
collects/tests/profj/full-tests.ss
View File

@ -4,6 +4,11 @@
(prepare-for-tests "Full")
(execute-test
"class hasCharArray {
char[] b = new char[]{'a'};
}" 'full #f "Test of array alloc init")
(execute-test
"class Aextendee {
int f (Aextendee x) { return 4; }

9
collects/tests/profj/intermediate-tests.ss
View File

@ -21,6 +21,15 @@
'intermediate
#f "class implementing abstract class's unimplmenented interface")
(execute-test
"interface ToImplement { int a(); }
abstract class ToExtend implements ToImplement { int a() { return 2; } }
class ToBe extends ToExtend implements ToImplement {
}"
'intermediate
#f "Repetition of fully satisfied interface in class hierarchy")
(execute-test
"abstract class Foo {
abstract int f();