001 package railo.runtime.exp; 002 003 import railo.runtime.type.FunctionArgument; 004 import railo.runtime.type.UDF; 005 import railo.runtime.type.UDFImpl; 006 import railo.runtime.type.util.Type; 007 008 public class UDFCasterException extends CasterException { 009 010 011 public UDFCasterException(UDF udf, FunctionArgument arg, Object value, int index) { 012 super(createMessage(udf,arg,value,index)); 013 } 014 015 public UDFCasterException(UDFImpl udf, String returnType, Object value) { 016 super(createMessage(udf,returnType,value)); 017 } 018 019 private static String createMessage(UDFImpl udf, String type, Object value) { 020 String detail; 021 if(value instanceof String) return "can't cast String ["+value+"] to a value of type ["+type+"]"; 022 else if(value!=null) detail= "can't cast Object type ["+Type.getName(value)+"] to a value of type ["+type+"]"; 023 else detail= "can't cast null value to value of type ["+type+"]"; 024 return "the function "+udf.getFunctionName()+" has an invalid return value , "+detail; 025 026 } 027 028 private static String createMessage(UDF udf, FunctionArgument arg, Object value, int index) { 029 String detail; 030 if(value instanceof String) detail= "can't cast String ["+value+"] to a value of type ["+arg.getTypeAsString()+"]"; 031 else if(value!=null) detail= "can't cast Object type ["+Type.getName(value)+"] to a value of type ["+arg.getTypeAsString()+"]"; 032 else detail= "can't cast Null value to value of type ["+arg.getTypeAsString()+"]"; 033 034 035 036 return "invalid call of the function "+udf.getFunctionName()+" ("+udf.getPageSource().getDisplayPath()+"), "+posToString(index)+" Argument ("+arg.getName()+") is of invalid type, "+detail; 037 } 038 039 private static String posToString(int index) { 040 if(index==1) return "first"; 041 if(index==2) return "second"; 042 return index+"th"; 043 } 044 }