--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/print/attribute/IntegerSyntax.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,134 @@
+/*
+ * Copyright 2000-2004 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package javax.print.attribute;
+
+import java.io.Serializable;
+
+/**
+ * Class 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()
+ * <CODE>getValue()</CODE>}. An integer attribute's integer value is
+ * established when it is constructed (see {@link #IntegerSyntax(int)
+ * <CODE>IntegerSyntax(int)</CODE>}). Once constructed, an integer attribute's
+ * value is immutable.
+ * <P>
+ *
+ * @author David Mendenhall
+ * @author Alan Kaminsky
+ */
+public abstract class IntegerSyntax implements Serializable, Cloneable {
+
+ 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.
+ *
+ * @exception IllegalArgumentException
+ * (Unchecked exception) Thrown if <CODE>value</CODE> is less than
+ * <CODE>lowerBound</CODE> or greater than
+ * <CODE>upperBound</CODE>.
+ */
+ 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</CODE> is not null.
+ * <LI>
+ * <CODE>object</CODE> is an instance of class IntegerSyntax.
+ * <LI>
+ * This integer attribute's value and <CODE>object</CODE>'s value are
+ * equal.
+ * </OL>
+ *
+ * @param object Object to compare to.
+ *
+ * @return True if <CODE>object</CODE> is equivalent to this integer
+ * attribute, 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;
+ }
+}