144 lines
4.2 KiB
Java
144 lines
4.2 KiB
Java
/*
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* Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.management;
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/**
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* This class is used by the query-building mechanism to represent binary
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* operations.
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* @serial include
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*
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* @since 1.5
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*/
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class InQueryExp extends QueryEval implements QueryExp {
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/* Serial version */
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private static final long serialVersionUID = -5801329450358952434L;
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/**
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* @serial The {@link ValueExp} to be found
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*/
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private ValueExp val;
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/**
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* @serial The array of {@link ValueExp} to be searched
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*/
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private ValueExp[] valueList;
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/**
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* Basic Constructor.
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*/
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public InQueryExp() {
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}
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/**
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* Creates a new InQueryExp with the specified ValueExp to be found in
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* a specified array of ValueExp.
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*/
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public InQueryExp(ValueExp v1, ValueExp items[]) {
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val = v1;
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valueList = items;
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}
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/**
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* Returns the checked value of the query.
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*/
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public ValueExp getCheckedValue() {
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return val;
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}
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/**
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* Returns the array of values of the query.
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*/
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public ValueExp[] getExplicitValues() {
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return valueList;
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}
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/**
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* Applies the InQueryExp on a MBean.
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*
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* @param name The name of the MBean on which the InQueryExp will be applied.
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*
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* @return True if the query was successfully applied to the MBean, false otherwise.
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*
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* @exception BadStringOperationException
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* @exception BadBinaryOpValueExpException
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* @exception BadAttributeValueExpException
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* @exception InvalidApplicationException
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*/
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public boolean apply(ObjectName name)
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throws BadStringOperationException, BadBinaryOpValueExpException,
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BadAttributeValueExpException, InvalidApplicationException {
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if (valueList != null) {
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ValueExp v = val.apply(name);
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boolean numeric = v instanceof NumericValueExp;
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for (ValueExp element : valueList) {
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element = element.apply(name);
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if (numeric) {
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if (((NumericValueExp) element).doubleValue() ==
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((NumericValueExp) v).doubleValue()) {
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return true;
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}
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} else {
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if (((StringValueExp) element).getValue().equals(
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((StringValueExp) v).getValue())) {
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return true;
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}
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}
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}
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}
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return false;
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}
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/**
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* Returns the string representing the object.
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*/
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public String toString() {
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return val + " in (" + generateValueList() + ")";
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}
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private String generateValueList() {
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if (valueList == null || valueList.length == 0) {
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return "";
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}
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final StringBuilder result =
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new StringBuilder(valueList[0].toString());
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for (int i = 1; i < valueList.length; i++) {
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result.append(", ");
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result.append(valueList[i]);
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}
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return result.toString();
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}
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}
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