| /* |
| * 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; |
| import java.net.URI; |
| |
| /** |
| * Class {@code URISyntax} is an abstract base class providing the common |
| * implementation of all attributes whose value is a Uniform Resource Identifier |
| * (URI). Once constructed, a {@code URI} attribute's value is immutable. |
| * |
| * @author Alan Kaminsky |
| */ |
| public abstract class URISyntax implements Serializable, Cloneable { |
| |
| /** |
| * Use serialVersionUID from JDK 1.4 for interoperability. |
| */ |
| private static final long serialVersionUID = -7842661210486401678L; |
| |
| /** |
| * {@code URI} value of this {@code URI} attribute. |
| * |
| * @serial |
| */ |
| private URI uri; |
| |
| /** |
| * Constructs a {@code URI} attribute with the specified {@code URI}. |
| * |
| * @param uri the {@code URI} |
| * @throws NullPointerException if {@code uri} is {@code null} |
| */ |
| protected URISyntax(URI uri) { |
| this.uri = verify (uri); |
| } |
| |
| private static URI verify(URI uri) { |
| if (uri == null) { |
| throw new NullPointerException(" uri is null"); |
| } |
| return uri; |
| } |
| |
| /** |
| * Returns this {@code URI} attribute's {@code URI} value. |
| * |
| * @return the {@code URI} |
| */ |
| public URI getURI() { |
| return uri; |
| } |
| |
| /** |
| * Returns a hashcode for this {@code URI} attribute. |
| * |
| * @return a hashcode value for this object |
| */ |
| public int hashCode() { |
| return uri.hashCode(); |
| } |
| |
| /** |
| * Returns whether this {@code URI} 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 URISyntax}. |
| * <li>This {@code URI} attribute's underlying {@code URI} and |
| * {@code object}'s underlying {@code URI} are equal. |
| * </ol> |
| * |
| * @param object {@code Object} to compare to |
| * @return {@code true} if {@code object} is equivalent to this {@code URI} |
| * attribute, {@code false} otherwise |
| */ |
| public boolean equals(Object object) { |
| return(object != null && |
| object instanceof URISyntax && |
| this.uri.equals (((URISyntax) object).uri)); |
| } |
| |
| /** |
| * Returns a {@code String} identifying this {@code URI} attribute. The |
| * {@code String} is the string representation of the attribute's underlying |
| * {@code URI}. |
| * |
| * @return a {@code String} identifying this object |
| */ |
| public String toString() { |
| return uri.toString(); |
| } |
| } |