Package com.webmethods.portal.framework.presentation

Interface IDynamicExpressionTools

public interface IDynamicExpressionTools

Method Summary

Modifier and Type	Method	Description
void	evaluate(String expression, Writer out, Object target, IURI resourceUri, IContext context, HttpServletRequest request)	Print evaluated value for given target object and context.
Object	evaluate(String expression, Object target, IURI resourceUri, IContext context, HttpServletRequest request)	Returns an object if the expression contains just one token, otherwise, returns a string.
String	executeRegexp(String pattern, String value)	Executes regexp pattern against string value.
Object	getProperty(Object target, String property)	Get property value for given property and target.
void	sort(List<?> l, String key, IContext context)	Sorts list by expression key.

Method Details

evaluate

void evaluate(String expression,
 Writer out,
 Object target,
 IURI resourceUri,
 IContext context,
 HttpServletRequest request)
       throws PortalException,
IOException

Print evaluated value for given target object and context.

Parameters:

expression - Value expression (ie '{name}').

out - Eval to this output stream.

target - Target object.

resourceUri - Paging resource uri.

context - User context.

request - Current request.

Throws:

PortalException

IOException

evaluate

Object evaluate(String expression,
 Object target,
 IURI resourceUri,
 IContext context,
 HttpServletRequest request)
         throws PortalException

Returns an object if the expression contains just one token, otherwise, returns a string. May return null.

Parameters:

expression - Value expression (ie '{name}').

target - Target object.

resourceUri - Paging resource uri.

context - User context.

request - Current request.

Throws:

PortalException

sort

void sort(List<?> l,
 String key,
 IContext context)
   throws PortalException

Sorts list by expression key.

Throws:

PortalException

getProperty

Object getProperty(Object target,
 String property)
            throws PortalException

Get property value for given property and target.

Throws:

PortalException

executeRegexp

String executeRegexp(String pattern,
 String value)
              throws PortalException

Executes regexp pattern against string value.

Throws:

PortalException