org.basex.query.util
Class Err

java.lang.Object
  org.basex.query.util.Err

public final class Err
extends Object

This class is supposed to support a consistent error output.

Author:

Workgroup DBIS, University of Konstanz 2005-10, ISC License, Christian Gruen

Method Summary

static void	cast(Type t, Item it) Throws a numeric type exception.
static String	chop(Object val) Chops the specified input and returns the string.
static void	cmp(Item it1, Item it2) Throws a comparison exception.
static void	date(byte[] i, Type t, String ex) Throws a date format exception.
static void	empty(Expr e) Throws a empty sequence exception.
static void	nodes(Expr ex) Throws a node exception.
static void	num(String inf, Item it) Throws a numeric type exception.
static void	or(Object[] err, Object... x) Throws an exception.
static void	range(Type t, byte[] v) Throws a date range exception.
static void	type(String inf, Type t, Item it) Throws a type exception.
static void	value(Type t, Object v) Throws an invalid value exception.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

or

public static void or(Object[] err,
                      Object... x)
               throws QueryException

Throws an exception.

Parameters:

err - error message

x - extended info

Throws:

QueryException - query exception

type

public static void type(String inf,
                        Type t,
                        Item it)
                 throws QueryException

Throws a type exception.

Parameters:

inf - expression info

t - expected type

it - item

Throws:

QueryException - query exception

date

public static void date(byte[] i,
                        Type t,
                        String ex)
                 throws QueryException

Throws a date format exception.

Parameters:

i - input

t - expected type

ex - example format

Throws:

QueryException - query exception

value

public static void value(Type t,
                         Object v)
                  throws QueryException

Throws an invalid value exception.

Parameters:

t - expected type

v - value

Throws:

QueryException - query exception

range

public static void range(Type t,
                         byte[] v)
                  throws QueryException

Throws a date range exception.

Parameters:

t - expected type

v - value

Throws:

QueryException - query exception

empty

public static void empty(Expr e)
                  throws QueryException

Throws a empty sequence exception.

Parameters:

e - calling expression

Throws:

QueryException - query exception

cmp

public static void cmp(Item it1,
                       Item it2)
                throws QueryException

Throws a comparison exception.

Parameters:

it1 - first item

it2 - second item

Throws:

QueryException - query exception

num

public static void num(String inf,
                       Item it)
                throws QueryException

Throws a numeric type exception.

Parameters:

inf - expression info

it - item

Throws:

QueryException - query exception

nodes

public static void nodes(Expr ex)
                  throws QueryException

Throws a node exception.

Parameters:

ex - expression

Throws:

QueryException - query exception

cast

public static void cast(Type t,
                        Item it)
                 throws QueryException

Throws a numeric type exception.

Parameters:

t - expression cast type

it - item

Throws:

QueryException - query exception

chop

public static String chop(Object val)

Chops the specified input and returns the string.

Parameters:

val - input value

Returns:

chopped string