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commons-lang-2.6.jar - Apache Commons Lang
commons-lang-2.6.jar is the JAR file for Apache Commons Lang 2.6, which provides a host of helper utilities for the java.lang API.
JAR File Size and Download Location:
File name: commons-lang-2.6.jar File size: 284220 bytes Date modified: 01/13/2011 Download: Apache Commons Lang Website
✍: FYIcenter
⏎ org/apache/commons/lang/mutable/MutableByte.java
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.commons.lang.mutable; /** * A mutable <code>byte</code> wrapper. * * @see Byte * @since 2.1 * @author Apache Software Foundation * @version $Id: MutableByte.java 905707 2010-02-02 16:59:59Z niallp $ */ public class MutableByte extends Number implements Comparable, Mutable { /** * Required for serialization support. * * @see java.io.Serializable */ private static final long serialVersionUID = -1585823265L; /** The mutable value. */ private byte value; /** * Constructs a new MutableByte with the default value of zero. */ public MutableByte() { super(); } /** * Constructs a new MutableByte with the specified value. * * @param value the initial value to store */ public MutableByte(byte value) { super(); this.value = value; } /** * Constructs a new MutableByte with the specified value. * * @param value the initial value to store, not null * @throws NullPointerException if the object is null */ public MutableByte(Number value) { super(); this.value = value.byteValue(); } /** * Constructs a new MutableByte parsing the given string. * * @param value the string to parse, not null * @throws NumberFormatException if the string cannot be parsed into a byte * @since 2.5 */ public MutableByte(String value) throws NumberFormatException { super(); this.value = Byte.parseByte(value); } //----------------------------------------------------------------------- /** * Gets the value as a Byte instance. * * @return the value as a Byte, never null */ public Object getValue() { return new Byte(this.value); } /** * Sets the value. * * @param value the value to set */ public void setValue(byte value) { this.value = value; } /** * Sets the value from any Number instance. * * @param value the value to set, not null * @throws NullPointerException if the object is null * @throws ClassCastException if the type is not a {@link Number} */ public void setValue(Object value) { setValue(((Number) value).byteValue()); } //----------------------------------------------------------------------- /** * Increments the value. * * @since Commons Lang 2.2 */ public void increment() { value++; } /** * Decrements the value. * * @since Commons Lang 2.2 */ public void decrement() { value--; } //----------------------------------------------------------------------- /** * Adds a value to the value of this instance. * * @param operand the value to add, not null * @since Commons Lang 2.2 */ public void add(byte operand) { this.value += operand; } /** * Adds a value to the value of this instance. * * @param operand the value to add, not null * @throws NullPointerException if the object is null * @since Commons Lang 2.2 */ public void add(Number operand) { this.value += operand.byteValue(); } /** * Subtracts a value from the value of this instance. * * @param operand the value to subtract, not null * @since Commons Lang 2.2 */ public void subtract(byte operand) { this.value -= operand; } /** * Subtracts a value from the value of this instance. * * @param operand the value to subtract, not null * @throws NullPointerException if the object is null * @since Commons Lang 2.2 */ public void subtract(Number operand) { this.value -= operand.byteValue(); } //----------------------------------------------------------------------- // shortValue relies on Number implementation /** * Returns the value of this MutableByte as a byte. * * @return the numeric value represented by this object after conversion to type byte. */ public byte byteValue() { return value; } /** * Returns the value of this MutableByte as an int. * * @return the numeric value represented by this object after conversion to type int. */ public int intValue() { return value; } /** * Returns the value of this MutableByte as a long. * * @return the numeric value represented by this object after conversion to type long. */ public long longValue() { return value; } /** * Returns the value of this MutableByte as a float. * * @return the numeric value represented by this object after conversion to type float. */ public float floatValue() { return value; } /** * Returns the value of this MutableByte as a double. * * @return the numeric value represented by this object after conversion to type double. */ public double doubleValue() { return value; } //----------------------------------------------------------------------- /** * Gets this mutable as an instance of Byte. * * @return a Byte instance containing the value from this mutable */ public Byte toByte() { return new Byte(byteValue()); } //----------------------------------------------------------------------- /** * Compares this object to the specified object. The result is <code>true</code> if and only if the argument is * not <code>null</code> and is a <code>MutableByte</code> object that contains the same <code>byte</code> value * as this object. * * @param obj the object to compare with, null returns false * @return <code>true</code> if the objects are the same; <code>false</code> otherwise. */ public boolean equals(Object obj) { if (obj instanceof MutableByte) { return value == ((MutableByte) obj).byteValue(); } return false; } /** * Returns a suitable hash code for this mutable. * * @return a suitable hash code */ public int hashCode() { return value; } //----------------------------------------------------------------------- /** * Compares this mutable to another in ascending order. * * @param obj the other mutable to compare to, not null * @return negative if this is less, zero if equal, positive if greater * @throws ClassCastException if the argument is not a MutableByte */ public int compareTo(Object obj) { MutableByte other = (MutableByte) obj; byte anotherVal = other.value; return value < anotherVal ? -1 : (value == anotherVal ? 0 : 1); } //----------------------------------------------------------------------- /** * Returns the String value of this mutable. * * @return the mutable value as a string */ public String toString() { return String.valueOf(value); } }
⏎ org/apache/commons/lang/mutable/MutableByte.java
⇒ commons-lang-1.0.1.jar - Apache Commons Lang
⇐ What Is commons-lang3-3.1.jar
2009-12-24, 76058👍, 0💬
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