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| 1 | /* | ||
| 2 | * Copyright (c) 1999, 2008, Oracle and/or its affiliates. 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package javax.management; | ||
| 27 | |||
| 28 | |||
| 29 | /** | ||
| 30 | * This class is used by the query-building mechanism to represent binary | ||
| 31 | * operations. | ||
| 32 | * @serial include | ||
| 33 | * | ||
| 34 | * @since 1.5 | ||
| 35 | */ | ||
| 36 | class InQueryExp extends QueryEval implements QueryExp { | ||
| 37 | |||
| 38 | /* Serial version */ | ||
| 39 | private static final long serialVersionUID = -5801329450358952434L; | ||
| 40 | |||
| 41 | /** | ||
| 42 | * @serial The {@link ValueExp} to be found | ||
| 43 | */ | ||
| 44 | private ValueExp val; | ||
| 45 | |||
| 46 | /** | ||
| 47 | * @serial The array of {@link ValueExp} to be searched | ||
| 48 | */ | ||
| 49 | private ValueExp[] valueList; | ||
| 50 | |||
| 51 | |||
| 52 | /** | ||
| 53 | * Basic Constructor. | ||
| 54 | */ | ||
| 55 | public InQueryExp() { | ||
| 56 | } | ||
| 57 | |||
| 58 | /** | ||
| 59 | * Creates a new InQueryExp with the specified ValueExp to be found in | ||
| 60 | * a specified array of ValueExp. | ||
| 61 | */ | ||
| 62 | public InQueryExp(ValueExp v1, ValueExp items[]) { | ||
| 63 | val = v1; | ||
| 64 | valueList = items; | ||
| 65 | } | ||
| 66 | |||
| 67 | |||
| 68 | /** | ||
| 69 | * Returns the checked value of the query. | ||
| 70 | */ | ||
| 71 | public ValueExp getCheckedValue() { | ||
| 72 | return val; | ||
| 73 | } | ||
| 74 | |||
| 75 | /** | ||
| 76 | * Returns the array of values of the query. | ||
| 77 | */ | ||
| 78 | public ValueExp[] getExplicitValues() { | ||
| 79 | return valueList; | ||
| 80 | } | ||
| 81 | |||
| 82 | /** | ||
| 83 | * Applies the InQueryExp on a MBean. | ||
| 84 | * | ||
| 85 | * @param name The name of the MBean on which the InQueryExp will be applied. | ||
| 86 | * | ||
| 87 | * @return True if the query was successfully applied to the MBean, false otherwise. | ||
| 88 | * | ||
| 89 | * @exception BadStringOperationException | ||
| 90 | * @exception BadBinaryOpValueExpException | ||
| 91 | * @exception BadAttributeValueExpException | ||
| 92 | * @exception InvalidApplicationException | ||
| 93 | */ | ||
| 94 | public boolean apply(ObjectName name) | ||
| 95 | throws BadStringOperationException, BadBinaryOpValueExpException, | ||
| 96 | BadAttributeValueExpException, InvalidApplicationException { | ||
| 97 | if (valueList != null) { | ||
| 98 | ValueExp v = val.apply(name); | ||
| 99 | boolean numeric = v instanceof NumericValueExp; | ||
| 100 | |||
| 101 | for (ValueExp element : valueList) { | ||
| 102 | element = element.apply(name); | ||
| 103 | if (numeric) { | ||
| 104 | if (((NumericValueExp) element).doubleValue() == | ||
| 105 | ((NumericValueExp) v).doubleValue()) { | ||
| 106 | return true; | ||
| 107 | } | ||
| 108 | } else { | ||
| 109 | if (((StringValueExp) element).getValue().equals( | ||
| 110 | ((StringValueExp) v).getValue())) { | ||
| 111 | return true; | ||
| 112 | } | ||
| 113 | } | ||
| 114 | } | ||
| 115 | } | ||
| 116 | return false; | ||
| 117 | } | ||
| 118 | |||
| 119 | /** | ||
| 120 | * Returns the string representing the object. | ||
| 121 | */ | ||
| 122 | public String toString() { | ||
| 123 | return val + " in (" + generateValueList() + ")"; | ||
| 124 | } | ||
| 125 | |||
| 126 | |||
| 127 | private String generateValueList() { | ||
| 128 | if (valueList == null || valueList.length == 0) { | ||
| 129 | return ""; | ||
| 130 | } | ||
| 131 | |||
| 132 | final StringBuilder result = | ||
| 133 | new StringBuilder(valueList[0].toString()); | ||
| 134 | |||
| 135 | for (int i = 1; i < valueList.length; i++) { | ||
| 136 | result.append(", "); | ||
| 137 | result.append(valueList[i]); | ||
| 138 | } | ||
| 139 | |||
| 140 | return result.toString(); | ||
| 141 | } | ||
| 142 | |||
| 143 | } | ||