org.apache.river.api.security

Interface PolicyUtils.GeneralExpansionHandler

All Known Implementing Classes:

DefaultPolicyParser.PermissionExpander

Enclosing class:

PolicyUtils

static interface PolicyUtils.GeneralExpansionHandler

Instances of this interface are intended for resolving generalized expansion expressions, of the form ${{protocol:data}}. Such functionality is applicable to security policy files, for example.

See Also:

PolicyUtils.expandGeneral(String, GeneralExpansionHandler)

Method Summary

Modifier and Type	Method and Description
String	resolve(String protocol, String data) Resolves general expansion expressions of the form ${{protocol:data}}.

Method Detail

resolve

String resolve(String protocol,
               String data)
        throws PolicyUtils.ExpansionFailedException

Resolves general expansion expressions of the form ${{protocol:data}}.

Parameters:

protocol - denotes type of resolution

data - data to be resolved, optional (may be null)

Returns:

resolved value, must not be null

Throws:

PolicyUtils.ExpansionFailedException - if expansion is impossible