org.specrunner.expressions.core
Class NullEmptyHandlerDefault

java.lang.Object
  org.specrunner.expressions.core.NullEmptyHandlerDefault

All Implemented Interfaces:

INullEmptyHandler

public class NullEmptyHandlerDefault
extends Object
implements INullEmptyHandler

Default implementation. On output verification empty TDs are considered null. In other words, for these TDs the verification against database check if database columns hold null.

Author:

Thiago Santos

Field Summary

static String	EMPTY Default empty String markup.
protected String	emptyVal The empty string mark.
protected static ThreadLocal<INullEmptyHandler>	instance Thread safe instance.
static String	NULL Default empty String markup.
protected String	nullVal The empty string mark.

Constructor Summary

NullEmptyHandlerDefault()

Method Summary

String	emptyValue(EMode mode) Empty value for a given mode.
static INullEmptyHandler	get() Singleton method.
String	getEmptyVal() Return the empty constant.
String	getNullVal() Get null explicit representation.
boolean	isEmpty(EMode mode, String value) Check if a value should be handled as empty, depending on value and mode.
boolean	isNull(EMode mode, String value) Check if a value should be handled as null, depending on value and mode.
String	nullValue(EMode mode) Null value for a given mode.
void	setEmptyVal(String empty) Set empty mark.
void	setNullVal(String nullval) Set null explicit representation.

Methods inherited from class java.lang.Object

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

Field Detail

instance

protected static ThreadLocal<INullEmptyHandler> instance

Thread safe instance.

NULL

public static final String NULL

Default empty String markup.

See Also:

Constant Field Values

nullVal

protected String nullVal

The empty string mark.

EMPTY

public static final String EMPTY

Default empty String markup.

See Also:

Constant Field Values

emptyVal

protected String emptyVal

The empty string mark.

Constructor Detail

NullEmptyHandlerDefault

public NullEmptyHandlerDefault()

Method Detail

get

public static INullEmptyHandler get()

Singleton method.

Returns:

A null/empty handler.

getNullVal

public String getNullVal()

Get null explicit representation.

Returns:

Null representation.

setNullVal

public void setNullVal(String nullval)

Set null explicit representation.

Parameters:

nullval - Null representation.

getEmptyVal

public String getEmptyVal()

Return the empty constant.

Returns:

The flag.

setEmptyVal

public void setEmptyVal(String empty)

Set empty mark.

Parameters:

empty - Empty mark.

nullValue

public String nullValue(EMode mode)

Description copied from interface: INullEmptyHandler

Null value for a given mode.

Specified by:

nullValue in interface INullEmptyHandler

Parameters:

mode - A mode.

Returns:

Explicit null representation.

emptyValue

public String emptyValue(EMode mode)

Description copied from interface: INullEmptyHandler

Empty value for a given mode.

Specified by:

emptyValue in interface INullEmptyHandler

Parameters:

mode - A mode.

Returns:

Explicit empty representation.

isNull

public boolean isNull(EMode mode,
                      String value)

Description copied from interface: INullEmptyHandler

Check if a value should be handled as null, depending on value and mode.

Specified by:

isNull in interface INullEmptyHandler

Parameters:

mode - A mode.

value - A value.

Returns:

true, if should be considered null, false, otherwise.

isEmpty

public boolean isEmpty(EMode mode,
                       String value)

Description copied from interface: INullEmptyHandler

Check if a value should be handled as empty, depending on value and mode.

Specified by:

isEmpty in interface INullEmptyHandler

Parameters:

mode - A mode.

value - A value.

Returns:

true, if should be considered empty, false, otherwise.