| /* |
| * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.print.attribute; |
| |
| import java.io.Serializable; |
| |
| /** |
| * Class {@code IntegerSyntax} is an abstract base class providing the common |
| * implementation of all attributes with integer values. |
| * <p> |
| * Under the hood, an integer attribute is just an integer. You can get an |
| * integer attribute's integer value by calling {@link #getValue() getValue()}. |
| * An integer attribute's integer value is established when it is constructed |
| * (see {@link #IntegerSyntax(int) IntegerSyntax(int)}). Once constructed, an |
| * integer attribute's value is immutable. |
| * |
| * @author David Mendenhall |
| * @author Alan Kaminsky |
| */ |
| public abstract class IntegerSyntax implements Serializable, Cloneable { |
| |
| /** |
| * Use serialVersionUID from JDK 1.4 for interoperability. |
| */ |
| private static final long serialVersionUID = 3644574816328081943L; |
| |
| /** |
| * This integer attribute's integer value. |
| * |
| * @serial |
| */ |
| private int value; |
| |
| /** |
| * Construct a new integer attribute with the given integer value. |
| * |
| * @param value Integer value |
| */ |
| protected IntegerSyntax(int value) { |
| this.value = value; |
| } |
| |
| /** |
| * Construct a new integer attribute with the given integer value, which |
| * must lie within the given range. |
| * |
| * @param value Integer value |
| * @param lowerBound Lower bound |
| * @param upperBound Upper bound |
| * @throws IllegalArgumentException if {@code value} is less than |
| * {@code lowerBound} or greater than {@code upperBound} |
| */ |
| protected IntegerSyntax(int value, int lowerBound, int upperBound) { |
| if (lowerBound > value || value > upperBound) { |
| throw new IllegalArgumentException("Value " + value + |
| " not in range " + lowerBound + |
| ".." + upperBound); |
| } |
| this.value = value; |
| } |
| |
| /** |
| * Returns this integer attribute's integer value. |
| * |
| * @return the integer value |
| */ |
| public int getValue() { |
| return value; |
| } |
| |
| /** |
| * Returns whether this integer attribute is equivalent to the passed in |
| * object. To be equivalent, all of the following conditions must be true: |
| * <ol type=1> |
| * <li>{@code object} is not {@code null}. |
| * <li>{@code object} is an instance of class {@code IntegerSyntax}. |
| * <li>This integer attribute's value and {@code object}'s value are |
| * equal. |
| * </ol> |
| * |
| * @param object {@code Object} to compare to |
| * @return {@code true} if {@code object} is equivalent to this integer |
| * attribute, {@code false} otherwise |
| */ |
| public boolean equals(Object object) { |
| |
| return (object != null && object instanceof IntegerSyntax && |
| value == ((IntegerSyntax) object).value); |
| } |
| |
| /** |
| * Returns a hash code value for this integer attribute. The hash code is |
| * just this integer attribute's integer value. |
| */ |
| public int hashCode() { |
| return value; |
| } |
| |
| /** |
| * Returns a string value corresponding to this integer attribute. The |
| * string value is just this integer attribute's integer value converted to |
| * a string. |
| */ |
| public String toString() { |
| return "" + value; |
| } |
| } |