Package com.ctc.wstx.dtd

Class EmptyValidator

java.lang.Object

com.ctc.wstx.dtd.StructValidator

com.ctc.wstx.dtd.EmptyValidator

public class EmptyValidator
extends StructValidator

Simple content model validator that accepts no elements, ever; this is true for pure #PCDATA content model as well as EMPTY content model. Can be used as a singleton, since all info needed for diagnostics is passed via methods.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final String	mErrorMsg
(package private) static final EmptyValidator	sEmptyInstance
(package private) static final EmptyValidator	sPcdataInstance

Constructor Summary

Constructors

Modifier	Constructor	Description
private	EmptyValidator(String errorMsg)

Method Summary

Modifier and Type	Method	Description
String	fullyValid()	If we ever get as far as element closing, things are all good; can just return null.
static EmptyValidator	getEmptyInstance()
static EmptyValidator	getPcdataInstance()
StructValidator	newInstance()	Simple; can always (re)use instance itself; no state information is kept.
String	tryToValidate(PrefixedName elemName)	Method called when a new (start) element is encountered within the scope of parent element this validator monitors.

Methods inherited from class java.lang.Object

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

Field Details

sPcdataInstance

static final EmptyValidator sPcdataInstance

sEmptyInstance

static final EmptyValidator sEmptyInstance

mErrorMsg

final String mErrorMsg

Constructor Details

EmptyValidator

private EmptyValidator(String errorMsg)

Method Details

getPcdataInstance

public static EmptyValidator getPcdataInstance()

getEmptyInstance

public static EmptyValidator getEmptyInstance()

newInstance

public StructValidator newInstance()

Simple; can always (re)use instance itself; no state information is kept.

Specified by:

newInstance in class StructValidator

tryToValidate

public String tryToValidate(PrefixedName elemName)

Description copied from class: StructValidator

Method called when a new (start) element is encountered within the scope of parent element this validator monitors.

Specified by:

tryToValidate in class StructValidator

Returns:

Null if element is valid in its current position; error message if not.

fullyValid

public String fullyValid()

If we ever get as far as element closing, things are all good; can just return null.

Specified by:

fullyValid in class StructValidator

Returns:

Null if the content model for the element is valid; error message if not.