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1: /* Attribute.java -- 2: Copyright (C) 2006 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package javax.management; 39: 40: import java.io.Serializable; 41: 42: /** 43: * Represents an MBean attribute, having the name and the assigned value. The 44: * MBean objects use this class to get and set attributes values. 45: * 46: * @since 1.5 47: * 48: * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 49: */ 50: public class Attribute 51: implements Serializable 52: { 53: /** 54: * The attribute name. 55: */ 56: final String m_name; 57: 58: /** 59: * The attribute value. 60: */ 61: final Object m_value; 62: 63: /** 64: * Create the attribute with the given name and value. 65: * 66: * @param name the attribute name 67: * @param value the attribute value 68: */ 69: public Attribute(String name, Object value) 70: { 71: m_name = name; 72: m_value = value; 73: } 74: 75: /** 76: * Compares the attribute with another attribute. 77: * 78: * @param other the other object to compare with 79: * 80: * @return true if both value and object are equal, false otherwise. 81: */ 82: public boolean equals(Object other) 83: { 84: if (other instanceof Attribute) 85: { 86: Attribute oa = (Attribute) other; 87: boolean n, v; 88: if (oa.m_name == null || m_name == null) 89: n = oa.m_name == m_name; 90: else 91: n = oa.m_name.equals(m_name); 92: 93: if (oa.m_value == null || m_value == null) 94: v = oa.m_value == m_value; 95: else 96: v = oa.m_value.equals(m_value); 97: 98: return n && v; 99: 100: } 101: else 102: return false; 103: } 104: 105: /** 106: * Returns the attribute name. 107: * 108: * @return the attribute name 109: */ 110: public String getName() 111: { 112: return m_name; 113: } 114: 115: /** 116: * Returns the attribute value. 117: * 118: * @return the attribute value. 119: */ 120: public Object getValue() 121: { 122: return m_value; 123: } 124: 125: /** 126: * Need to override as {@link #equals} is overridden. 127: * 128: * @return the expression, dependent of the object and name hashcodes. 129: */ 130: public int hashCode() 131: { 132: int n = m_name == null ? 0 : m_name.hashCode(); 133: int v = m_value == null ? 0 : m_value.hashCode(); 134: 135: return n ^ v; 136: } 137: 138: }
GNU Classpath (0.20) |