Package org.chenile.ognl

Class ParseExpression

java.lang.Object

org.chenile.ognl.ParseExpression

public class ParseExpression
extends Object

Wrapper around Ognl.parseExpression() which uses caching. Provides optimized access to an expression. Expressions must be parsed first using the parseIt() method before they are used using Ognl.

Author:

raja

Field Summary

Fields

Modifier and Type	Field	Description
private static Map<String,Object>	parsedExpressionMap

Constructor Summary

Constructors

Constructor	Description
ParseExpression()

Method Summary

Modifier and Type	Method	Description
static void	init()
static Object	parseIt(String code)	.
private static String	sanitizeExpression(String code)	tighten the code..

Methods inherited from class java.lang.Object

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

Field Details

parsedExpressionMap

private static Map<String,Object> parsedExpressionMap

Constructor Details

ParseExpression

public ParseExpression()

Method Details

init

public static void init()

parseIt

public static Object parseIt(String code)
                      throws ognl.OgnlException

.

Parameters:

code - .

Returns:

.

Throws:

ognl.OgnlException - .

sanitizeExpression

private static String sanitizeExpression(String code)

tighten the code.. remove \ns and \ts , fuse multiple spaces into one, remove leading and trailing spaces etc. All semi-colons are replaced by commas since OGNL supports only expressions not statements Ensure that the code does not end with , since OGNL will crap out.

Parameters:

code - .

Returns:

.