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jeremybenn |
/* Attribute.java --
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.management;
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import java.io.Serializable;
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/**
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* Represents an MBean attribute, having the name and the assigned value. The
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* MBean objects use this class to get and set attributes values.
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*
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* @since 1.5
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*
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* @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
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*/
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public class Attribute
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implements Serializable
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{
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/**
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* Compatible with JDK 1.5
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*/
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private static final long serialVersionUID = 2484220110589082382L;
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/**
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* The attribute name.
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*/
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final String m_name;
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/**
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* The attribute value.
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*/
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final Object m_value;
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/**
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* Create the attribute with the given name and value.
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*
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* @param name the attribute name
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* @param value the attribute value
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*/
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public Attribute(String name, Object value)
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{
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m_name = name;
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m_value = value;
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}
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/**
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* Compares the attribute with another attribute.
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*
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* @param other the other object to compare with
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*
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* @return true if both value and object are equal, false otherwise.
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*/
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public boolean equals(Object other)
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{
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if (other instanceof Attribute)
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{
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Attribute oa = (Attribute) other;
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boolean n, v;
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if (oa.m_name == null || m_name == null)
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n = oa.m_name == m_name;
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else
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n = oa.m_name.equals(m_name);
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if (oa.m_value == null || m_value == null)
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v = oa.m_value == m_value;
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else
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v = oa.m_value.equals(m_value);
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return n && v;
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}
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else
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return false;
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}
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/**
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* Returns the attribute name.
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*
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* @return the attribute name
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*/
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public String getName()
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{
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return m_name;
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}
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/**
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* Returns the attribute value.
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*
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* @return the attribute value.
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*/
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public Object getValue()
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{
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return m_value;
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}
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/**
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* Need to override as {@link #equals} is overridden.
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*
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* @return the expression, dependent of the object and name hashcodes.
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*/
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public int hashCode()
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{
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int n = m_name == null ? 0 : m_name.hashCode();
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int v = m_value == null ? 0 : m_value.hashCode();
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return n ^ v;
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}
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}
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