| /* |
| * Copyright (c) 1999, 2005, 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.management; |
| |
| |
| // java import |
| import java.io.Serializable; |
| |
| |
| /** |
| * Represents an MBean attribute by associating its name with its value. |
| * The MBean server and other objects use this class to get and set attributes values. |
| * |
| * @since 1.5 |
| */ |
| public class Attribute implements Serializable { |
| |
| /* Serial version */ |
| private static final long serialVersionUID = 2484220110589082382L; |
| |
| /** |
| * @serial Attribute name. |
| */ |
| private String name; |
| |
| /** |
| * @serial Attribute value |
| */ |
| private Object value= null; |
| |
| |
| /** |
| * Constructs an Attribute object which associates the given attribute name with the given value. |
| * |
| * @param name A String containing the name of the attribute to be created. Cannot be null. |
| * @param value The Object which is assigned to the attribute. This object must be of the same type as the attribute. |
| * |
| */ |
| public Attribute(String name, Object value) { |
| |
| if (name == null) { |
| throw new RuntimeOperationsException(new IllegalArgumentException("Attribute name cannot be null ")); |
| } |
| |
| this.name = name; |
| this.value = value; |
| } |
| |
| |
| /** |
| * Returns a String containing the name of the attribute. |
| * |
| * @return the name of the attribute. |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * Returns an Object that is the value of this attribute. |
| * |
| * @return the value of the attribute. |
| */ |
| public Object getValue() { |
| return value; |
| } |
| |
| /** |
| * Compares the current Attribute Object with another Attribute Object. |
| * |
| * @param object The Attribute that the current Attribute is to be compared with. |
| * |
| * @return True if the two Attribute objects are equal, otherwise false. |
| */ |
| |
| |
| public boolean equals(Object object) { |
| if (!(object instanceof Attribute)) { |
| return false; |
| } |
| Attribute val = (Attribute) object; |
| |
| if (value == null) { |
| if (val.getValue() == null) { |
| return name.equals(val.getName()); |
| } else { |
| return false; |
| } |
| } |
| |
| return ((name.equals(val.getName())) && |
| (value.equals(val.getValue()))); |
| } |
| |
| /** |
| * Returns a hash code value for this attribute. |
| * |
| * @return a hash code value for this attribute. |
| */ |
| public int hashCode() { |
| return name.hashCode() ^ (value == null ? 0 : value.hashCode()); |
| } |
| |
| /** |
| * Returns a String object representing this Attribute's value. The format of this |
| * string is not specified, but users can expect that two Attributes return the |
| * same string if and only if they are equal. |
| */ |
| public String toString() { |
| return getName() + " = " + getValue(); |
| } |
| } |