Package io.helidon.security.abac.policy.el

Class JavaxElPolicyExecutor.Builder

java.lang.Object

io.helidon.security.abac.policy.el.JavaxElPolicyExecutor.Builder

All Implemented Interfaces:

Builder<JavaxElPolicyExecutor>, Supplier<JavaxElPolicyExecutor>

Enclosing class:

JavaxElPolicyExecutor

public static final class JavaxElPolicyExecutor.Builder
extends Object
implements Builder<JavaxElPolicyExecutor>

A fluent API builder for JavaxElPolicyExecutor.

Method Summary

Modifier and Type	Method and Description
JavaxElPolicyExecutor.Builder	addMethod(String localName, Method method) Add a custom method to be available in expressions without a prefix.
JavaxElPolicyExecutor.Builder	addMethod(String prefix, String localName, Method method) Add a custom method to be available in expressions.
JavaxElPolicyExecutor	build() Build the instance from this builder.
JavaxElPolicyExecutor.Builder	config(Config config) Updated builder from configuration.
JavaxElPolicyExecutor.Builder	expressionFactory(javax.el.ExpressionFactory factory) Configure a specific expression factory to use with this executor.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.helidon.common.Builder

get

Method Detail

build

public JavaxElPolicyExecutor build()

Description copied from interface: Builder

Build the instance from this builder.

Specified by:

build in interface Builder<JavaxElPolicyExecutor>

Returns:

instance of the built type

expressionFactory

public JavaxElPolicyExecutor.Builder expressionFactory(javax.el.ExpressionFactory factory)

Configure a specific expression factory to use with this executor. If this method is not called, the executor uses default expression factory (if one is on the classpath).

Parameters:

factory - factory to use

Returns:

updated builder instance

addMethod

public JavaxElPolicyExecutor.Builder addMethod(String localName,
                                               Method method)

Add a custom method to be available in expressions without a prefix. This method must be a static method.

Parameters:

localName - name to call this function in an expression

method - method to invoke (may have parameters - these can be passed from the script)

Returns:

updated builder instance

See Also:

addMethod(String, String, Method)

addMethod

public JavaxElPolicyExecutor.Builder addMethod(String prefix,
                                               String localName,
                                               Method method)

Add a custom method to be available in expressions. This method must be a static method.

Example
prefix: fun
localName: inRole
method: public static boolean isSubjectInRole(Subject subject, String roleName)
expression: "${fun:inRole(user, "some_role"}"

Parameters:

prefix - prefix to use before the name in an expression

localName - name to call this function in an expression

method - method to invoke (may have parameters - these can be passed from the script)

Returns:

updated builder instance

config

public JavaxElPolicyExecutor.Builder config(Config config)

Updated builder from configuration.

Parameters:

config - configuration to update from

Returns:

updated builder instance