java.lang.Short Maven / Gradle / Ivy

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/*
 * Copyright 2016 Carlos Ballesteros Velasco
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package java.lang;

import jtransc.annotation.JTranscKeep;

public final class Short extends Number implements Comparable {
    public static final int SIZE = 16;
    public static final int BYTES = SIZE / Byte.SIZE;

    public static final short MIN_VALUE = -32768;
    public static final short MAX_VALUE = 32767;
    public static final Class TYPE = (Class) Class.getPrimitiveClass("short");
    public static String toString(short s) {
        return Integer.toString((int) s, 10);
    }

    public static short parseShort(String s, int radix) throws NumberFormatException {
        int i = Integer.parseInt(s, radix);
        if (i < MIN_VALUE || i > MAX_VALUE) throw new NumberFormatException("Value out of range. Value:\"" + s + "\" Radix:" + radix);
        return (short) i;
    }
    native public static short parseShort(String s) throws NumberFormatException;
    native public static Short valueOf(String s, int radix) throws NumberFormatException;
    native public static Short valueOf(String s) throws NumberFormatException;
    @JTranscKeep
    public static Short valueOf(short s) {
        // @TODO: Cache!
        return new Short(s);
    }
    native public static Short decode(String nm) throws NumberFormatException;
    private final short value;
    public Short(short value) {
        this.value = value;
    }
    public Short(String s) throws NumberFormatException {
        this.value = parseShort(s, 10);
    }
    public byte byteValue() {
        return (byte) value;
    }
    public short shortValue() {
        return value;
    }
    public int intValue() {
        return (int) value;
    }
    public long longValue() {
        return (long) value;
    }
    public float floatValue() {
        return (float) value;
    }
    public double doubleValue() {
        return (double) value;
    }
    public String toString() {
        return Integer.toString((int) value);
    }
    @Override
    public int hashCode() {
        return Short.hashCode(value);
    }
    public static int hashCode(short value) {
        return (int) value;
    }
    public boolean equals(Object obj) {
        if (!(obj instanceof Short)) return false;
        return value == ((Short) obj).shortValue();
    }
    public int compareTo(Short anotherShort) {
        return compare(this.value, anotherShort.value);
    }
    public static int compare(short x, short y) {
        return x - y;
    }
    public static short reverseBytes(short value) {
        return (short) (((value & 0xFF00) >> 8) | (value << 8));
    }
    public static int toUnsignedInt(short value) {
        return ((int) value) & 0xffff;
    }
    public static long toUnsignedLong(short value) {
        return ((long) value) & 0xffffL;
    }
}