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