fedora.server
Class Pluggable

java.lang.Object
  fedora.server.Parameterized
      fedora.server.Pluggable

All Implemented Interfaces:

Constants

Direct Known Subclasses:

Module, Server

public abstract class Pluggable
extends Parameterized

Title: Pluggable.java

Description: Abstract superclass of all Fedora components that can be configured by a set of name-value pairs.

Version:

$Id: Pluggable.java 4878 2006-03-02 17:18:42Z eddie $

Author:

cwilper@cs.cornell.edu

Nested Class Summary

Nested classes/interfaces inherited from interface fedora.common.Constants

Constants.FedoraHome

Field Summary

Fields inherited from interface fedora.common.Constants

ACTION, BDEF, BMECH, DATASTREAM, DC, DISSEMINATOR, ENVIRONMENT, FEDORA, FEDORA_HOME, FEDORA_SYSTEM_DEF_PID, FEDORA_SYSTEM_DEF_URI, HTTP_REQUEST, MODEL, OBJECT, RDF, RECOVERY, RELS_EXT, RESOURCE, SUBJECT, TUCANA, VIEW, XSD

Constructor Summary

Pluggable()
Creates a Pluggable with no parameters.

Pluggable(java.util.Map parameters)
Creates a Pluggable with name-value pairs from the supplied Map.

Method Summary

java.lang.String	getHelp() Gets an explanation of how this component is to be configured via parameters.
java.lang.String[]	getOptionalParameters() Gets the names of optional parameters for this component.
java.lang.String	getParameterHelp(java.lang.String name) Gets a short explanation of how to use a named parameter.
java.lang.String[]	getRequiredModuleRoles() Gets the names of the roles that are required by this Pluggable.
java.lang.String[]	getRequiredParameters() Gets the names of required parameters for this component.

Methods inherited from class fedora.server.Parameterized

getParameter, getParameter, getParameters, parameterNames, setParameter, setParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

Pluggable

public Pluggable()

Creates a Pluggable with no parameters.

Pluggable

public Pluggable(java.util.Map parameters)

Creates a Pluggable with name-value pairs from the supplied Map.

Parameters:

parameters - The map from which to derive the name-value pairs.

Method Detail

getRequiredParameters

public java.lang.String[] getRequiredParameters()

Gets the names of required parameters for this component.

Returns:

String[] The required parameter names.

getOptionalParameters

public java.lang.String[] getOptionalParameters()

Gets the names of optional parameters for this component.

Returns:

String[] The required parameter names.

getParameterHelp

public java.lang.String getParameterHelp(java.lang.String name)

Gets a short explanation of how to use a named parameter.

Parameters:

name - The name of the parameter.

Returns:

String The explanation, null if no help is available or the parameter is unknown.

getHelp

public java.lang.String getHelp()

Gets an explanation of how this component is to be configured via parameters. This should not include the information available via getParameterHelp, but is more intended as an overall explanation or an explanation of those parameters whose names might be dynamic.

getRequiredModuleRoles

public java.lang.String[] getRequiredModuleRoles()

Gets the names of the roles that are required by this Pluggable.

By default, no roles need to be fulfilled.

Returns:

The roles.