Package net.sf.jkniv.sqlegance.builder.xml.dynamic

Class ConditionalTag

java.lang.Object

net.sf.jkniv.sqlegance.builder.xml.dynamic.ConditionalTag

All Implemented Interfaces:

ITextTag

Direct Known Subclasses:

IfTag, WhenTag

public abstract class ConditionalTag
extends Object
implements ITextTag

Represent the if tag from XML file to put dynamic SQLs.

Since:

0.0.2

Author:

Alisson Gomes

Field Summary

Fields

Modifier and Type	Field	Description
static String	ATTRIBUTE_TEST

Constructor Summary

Constructors

Constructor	Description
ConditionalTag(String ognlExpression, String text)	Parses the given OGNL expression that can be used by Ognl static methods.

Method Summary

Modifier and Type	Method	Description
boolean	eval(Object rootObjects)	Evaluate the expression from test attribute is true or false.
List<? extends ITextTag>	getTags()	Collections from inner tags (WhereTag, SetTag...)
String	getText()	Retrieve the text from XML element.
String	getText(Object rootObjects)	Evaluate if attribute test is true or false with OGNL expression.
boolean	isDynamic()	Indicate if text is dynamic or static.
boolean	isDynamicGroup()	Indicate if text contains a dynamic group of tags like: SetTag and WhereTag.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ATTRIBUTE_TEST

public static final String ATTRIBUTE_TEST

See Also:

Constant Field Values

Constructor Detail

ConditionalTag

public ConditionalTag(String ognlExpression,
                      String text)

Parses the given OGNL expression that can be used by Ognl static methods.

Parameters:

ognlExpression - the OGNL expression to be parsed

text - content of expression to be evaluated

Throws:

MalformedExpression - if the expression is malformed or if there is a pathological environmental problem.

Method Detail

eval

public boolean eval(Object rootObjects)

Evaluate the expression from test attribute is true or false.

Specified by:

eval in interface ITextTag

Parameters:

rootObjects - the root object for the OGNL expression.

Returns:

true if expression is true, false otherwise.

See Also:

Ognl

getText

public String getText()

Retrieve the text from XML element.

Specified by:

getText in interface ITextTag

Returns:

text from XML element.

getText

public String getText(Object rootObjects)

Description copied from interface: ITextTag

Evaluate if attribute test is true or false with OGNL expression. Something

Specified by:

getText in interface ITextTag

Parameters:

rootObjects - the root object for the OGNL expression.

Returns:

dynamic value evaluating rootObjects.

See Also:

Ognl

isDynamic

public boolean isDynamic()

Indicate if text is dynamic or static.

Specified by:

isDynamic in interface ITextTag

Returns:

always true is returned, because this object save dynamic text.

isDynamicGroup

public boolean isDynamicGroup()

Description copied from interface: ITextTag

Indicate if text contains a dynamic group of tags like: SetTag and WhereTag.

Specified by:

isDynamicGroup in interface ITextTag

Returns:

true returned if dynamic, false otherwise.

getTags

public List<? extends ITextTag> getTags()

Description copied from interface: ITextTag

Collections from inner tags (WhereTag, SetTag...)

Specified by:

getTags in interface ITextTag

Returns:

inner tags, empty list if tag doesn't store collection.

toString

public String toString()

Overrides:

toString in class Object