/*
* Copyright (C) 2000 - 2008 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
package com.naryx.tagfusion.expression.function.ls;
import java.text.ParseException;
import java.util.List;
import com.naryx.tagfusion.cfm.engine.cfBooleanData;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.expression.function.functionBase;
public class LSIsNumeric extends functionBase {
private static final long serialVersionUID = 1L;
public LSIsNumeric() {
min = max = 1;
}
public String[] getParamInfo() {
return new String[] { "string" };
}
public java.util.Map getInfo() {
return makeInfo("locale",
"Determines if the string passed in, represents a number in the current locale",
ReturnType.BOOLEAN);
}
public cfData execute(cfSession _session, List<cfData> parameters) throws cfmRunTimeException {
/*
* We basically call the LSParseNumber() function to check if the number is
* parsable. CFMX however is a little stricter in this function than
*/
String number = parameters.get(0).getString();
try {
LSParseNumber.parseNumber(number, _session.getLocale());
} catch (ParseException e) {
return cfBooleanData.FALSE;
}
return cfBooleanData.TRUE;
}
}