com.sap.cloud.sdk.service.prov.api.security

Class ExpressionExecutorUtil

java.lang.Object

com.sap.cloud.sdk.service.prov.api.security.ExpressionExecutorUtil

public class ExpressionExecutorUtil
extends Object

Utility for evaluating expression which is a string.

Field Summary

Fields

Modifier and Type	Field and Description
static String	EMPTY
static String	SKIP_VALUE
static String	SPECIAL
static String	TRUE_EXP

Method Summary

Modifier and Type	Method and Description
static String	buildExpression(String expression, com.google.gson.JsonObject attributes) Builds the expression by replacing the variable with the values of it.
static boolean	executeExpression(String expression) Executes the expression by replacing the variable with the values of it.
static String[]	tokenizer(String exp2)

Methods inherited from class java.lang.Object

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

Field Detail

SPECIAL

public static final String SPECIAL

See Also:

Constant Field Values

EMPTY

public static final String EMPTY

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Constant Field Values

SKIP_VALUE

public static final String SKIP_VALUE

See Also:

Constant Field Values

TRUE_EXP

public static final String TRUE_EXP

See Also:

Constant Field Values

Method Detail

executeExpression

public static boolean executeExpression(String expression)
                                 throws ScriptException

Executes the expression by replacing the variable with the values of it.

Parameters:

expression - ex $user_level > 2

Returns:

true if statement is true, else false

Throws:

ScriptException

buildExpression

public static String buildExpression(String expression,
                                     com.google.gson.JsonObject attributes)

Builds the expression by replacing the variable with the values of it.

Parameters:

expression - ex "3>3"

attributes - which is read from JWT token eg: $user.level means 'level' in attribute list

Returns:

tokenizer

public static String[] tokenizer(String exp2)