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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 | + } | |