DefaultMethodValueTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

org.deltava.taglib.content.DefaultMethodValueTag

All Implemented Interfaces:: Serializable, IterationTag, JspTag, Tag

Direct Known Subclasses:: DefaultMethodTag, EnumDescriptionTag

public class DefaultMethodValueTag extends TagSupport

A JSP tag to call default interface methods since EL is stupid.

Since:

10.0

Version:

11.2

Author:

Luke

See Also:

Field Summary

Fields inherited from class javax.servlet.jsp.tagext.TagSupport
id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag
EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE
Constructor Summary

Constructors

Constructor

Description

DefaultMethodValueTag()
Method Summary

Modifier and Type

Method

Description

int

doStartTag()

protected Object

getValue()

Retrieves the method's return value via reflection.

protected boolean

hasObject()

Returns whether the object to executae against is present.

void

setMethod(String methodName)

Sets the method name to find and call.

void

setObject(Object o)

Sets the object to execute against.

void

setVar(String vName)

Sets the request attribute name.

Methods inherited from class javax.servlet.jsp.tagext.TagSupport
doAfterBody, doEndTag, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- DefaultMethodValueTag
  
  public DefaultMethodValueTag()
Method Details
- setVar
  
  public void setVar(String vName)
  
  Sets the request attribute name.
  
  Parameters:
  
  vName - the name of the request attribute to store the data in
- setObject
  
  public void setObject(Object o)
  
  Sets the object to execute against.
  
  Parameters:
  
  o - the Object
- setMethod
  
  public void setMethod(String methodName)
  
  Sets the method name to find and call.
  
  Parameters:
  
  methodName - the method name, minus get or set
- hasObject
  
  protected boolean hasObject()
  
  Returns whether the object to executae against is present.
  
  Returns:
  
  TRUE if not null, otherwise FALSE
- getValue
  
  protected Object getValue() throws Exception
  
  Retrieves the method's return value via reflection.
  
  Returns:
  
  an Object
  
  Throws:
  
  Exception - if an error occurs
- doStartTag
  
  public int doStartTag() throws JspException
  
  Specified by:
  
  doStartTag in interface Tag
  
  Overrides:
  
  doStartTag in class TagSupport
  
  Throws:
  
  JspException