com.nitido.nimbox.http.enhanced
Class Expression

java.lang.Object
  com.nitido.nimbox.http.enhanced.Expression

public class Expression
extends java.lang.Object

Data object for expression. An expression must contain httpheader, relation and matchHolder.for the given type. Expression is a complex element from rules file. Snippet from XML schema: Sample from a rules.xml file User-Agent startswith windows The above expression translated: if the User-Agent Http header from request starts with windows then the expression is true.

Constructor Summary

Expression(java.lang.String httpHeader, java.lang.String relation, java.lang.String matchHolder)
Default constructor.

Method Summary

java.lang.String	getHttpHeader() Get httpHeader field of expression.
java.lang.String	getMatchHolder() Get matchHolder field of expression.
java.lang.String	getRelation() Get relation field of expression.
java.lang.String	toDebugString() This method convert the information into string.

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression(java.lang.String httpHeader,
                  java.lang.String relation,
                  java.lang.String matchHolder)

Default constructor.

Parameters:

httpHeader - A string for http header

relation - A string for the relation

matchHolder - A string for the match holder

Method Detail

getHttpHeader

public java.lang.String getHttpHeader()

Get httpHeader field of expression. Two http headers are accepted at this time:

EnhancedDispatcherConstants.USER_AGENT

EnhancedDispatcherConstants.ACCEPT

Above constants map the restricted values from rules XML Schema

Returns:

Http header to be evaluated in expression.

getRelation

public java.lang.String getRelation()

Get relation field of expression. Three types of relation are accepted at this time:

EnhancedDispatcherConstants.IS

EnhancedDispatcherConstants.CONTAINS

EnhancedDispatcherConstants.START_WITH

Above constants map the restricted values from rules XML Schema. Snippet from rule.xsd.

Returns:

String that represents the relation for the expression object.

getMatchHolder

public java.lang.String getMatchHolder()

Get matchHolder field of expression.

Returns:

A string that is the the value to compare the http header to, the match holder for the expression.

toDebugString

public java.lang.String toDebugString()

This method convert the information into string. The format of the result string is "httpHeader:relation:matchHolder".