/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
**/
package lucee.runtime.exp;
import lucee.runtime.type.FunctionArgument;
import lucee.runtime.type.UDF;
import lucee.runtime.type.util.Type;
public class UDFCasterException extends CasterException {
private static final long serialVersionUID = 4863042711433241644L;
public UDFCasterException(UDF udf, FunctionArgument arg, Object value, int index) {
super(createMessage(udf,arg,value,index));
}
public UDFCasterException(UDF udf, String returnType, Object value) {
super(createMessage(udf,returnType,value));
}
private static String createMessage(UDF udf, String type, Object value) {
String detail;
if(value instanceof String) return "can't cast String ["+value+"] to a value of type ["+type+"]";
else if(value!=null) detail= "can't cast Object type ["+Type.getName(value)+"] to a value of type ["+type+"]";
else detail= "can't cast null value to value of type ["+type+"]";
return "the function "+udf.getFunctionName()+" has an invalid return value , "+detail;
}
private static String createMessage(UDF udf, FunctionArgument arg, Object value, int index) {
String detail;
if(value instanceof String) detail= "can't cast String ["+value+"] to a value of type ["+arg.getTypeAsString()+"]";
else if(value!=null) detail= "can't cast Object type ["+Type.getName(value)+"] to a value of type ["+arg.getTypeAsString()+"]";
else detail= "can't cast Null value to value of type ["+arg.getTypeAsString()+"]";
return "invalid call of the function "+udf.getFunctionName()+" ("+udf.getSource()+"), "+posToString(index)+" Argument ("+arg.getName()+") is of invalid type, "+detail;
}
private static String posToString(int index) {
if(index==1) return "first";
if(index==2) return "second";
return index+"th";
}
}