J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.management; |
| 27 | |
| 28 | |
| 29 | |
| 30 | /** |
| 31 | * Represents strings that are arguments to relational constraints. |
| 32 | * A <CODE>StringValueExp</CODE> may be used anywhere a <CODE>ValueExp</CODE> is required. |
| 33 | * |
| 34 | * @since 1.5 |
| 35 | */ |
| 36 | public class StringValueExp implements ValueExp { |
| 37 | |
| 38 | /* Serial version */ |
| 39 | private static final long serialVersionUID = -3256390509806284044L; |
| 40 | |
| 41 | /** |
| 42 | * @serial The string literal |
| 43 | */ |
| 44 | private String val; |
| 45 | |
| 46 | /** |
| 47 | * Basic constructor. |
| 48 | */ |
| 49 | public StringValueExp() { |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Creates a new <CODE>StringValueExp</CODE> representing the |
| 54 | * given string. |
| 55 | * |
| 56 | * @param val the string that will be the value of this expression |
| 57 | */ |
| 58 | public StringValueExp(String val) { |
| 59 | this.val = val; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Returns the string represented by the |
| 64 | * <CODE>StringValueExp</CODE> instance. |
| 65 | * |
| 66 | * @return the string. |
| 67 | */ |
| 68 | public String getValue() { |
| 69 | return val; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Returns the string representing the object. |
| 74 | */ |
| 75 | public String toString() { |
| 76 | return "'" + val + "'"; |
| 77 | } |
| 78 | |
| 79 | |
| 80 | /** |
| 81 | * Sets the MBean server on which the query is to be performed. |
| 82 | * |
| 83 | * @param s The MBean server on which the query is to be performed. |
| 84 | */ |
| 85 | /* There is no need for this method, because if a query is being |
| 86 | evaluated a StringValueExp can only appear inside a QueryExp, |
| 87 | and that QueryExp will itself have done setMBeanServer. */ |
| 88 | public void setMBeanServer(MBeanServer s) { } |
| 89 | |
| 90 | /** |
| 91 | * Applies the ValueExp on a MBean. |
| 92 | * |
| 93 | * @param name The name of the MBean on which the ValueExp will be applied. |
| 94 | * |
| 95 | * @return The <CODE>ValueExp</CODE>. |
| 96 | * |
| 97 | * @exception BadStringOperationException |
| 98 | * @exception BadBinaryOpValueExpException |
| 99 | * @exception BadAttributeValueExpException |
| 100 | * @exception InvalidApplicationException |
| 101 | */ |
| 102 | public ValueExp apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException, |
| 103 | BadAttributeValueExpException, InvalidApplicationException { |
| 104 | return this; |
| 105 | } |
| 106 | } |