- java.lang.Object
- java.lang.Throwable
- java.lang.Exception
- java.lang.RuntimeException
- java.lang.IllegalArgumentException
- java.util.regex.PatternSyntaxException
- All Implemented Interfaces:
Serializable
public class PatternSyntaxException extends IllegalArgumentException
Unchecked exception thrown to indicate a syntax error in a regular-expression pattern.- Since:
- 1.4
- See Also:
- Serialized Form
Constructor Summary
Constructors Constructor Description PatternSyntaxException(String desc, String regex, int index)
Constructs a new instance of this class.
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String
getDescription()
Retrieves the description of the error.int
getIndex()
Retrieves the error index.String
getMessage()
Returns a multi-line string containing the description of the syntax error and its index, the erroneous regular-expression pattern, and a visual indication of the error index within the pattern.String
getPattern()
Retrieves the erroneous regular-expression pattern.Methods declared in class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
Method Detail
getIndex
public int getIndex()
Retrieves the error index.- Returns:
- The approximate index in the pattern of the error, or
-1
if the index is not known
getDescription
public String getDescription()
Retrieves the description of the error.- Returns:
- The description of the error
getPattern
public String getPattern()
Retrieves the erroneous regular-expression pattern.- Returns:
- The erroneous pattern
getMessage
public String getMessage()
Returns a multi-line string containing the description of the syntax error and its index, the erroneous regular-expression pattern, and a visual indication of the error index within the pattern.- Overrides:
getMessage
in classThrowable
- Returns:
- The full detail message