org.fcrepo.server.storage
Class DefaultExternalContentManager

java.lang.Object
  org.fcrepo.server.Parameterized
      org.fcrepo.server.Pluggable
          org.fcrepo.server.Module
              org.fcrepo.server.storage.DefaultExternalContentManager

All Implemented Interfaces:

Constants, ExternalContentManager

public class DefaultExternalContentManager
extends Module
implements ExternalContentManager

Provides a mechanism to obtain external HTTP-accessible content.

Version:

$Id$

Author:

Ross Wayland

Nested Class Summary

Nested classes/interfaces inherited from interface org.fcrepo.common.Constants

Constants.FedoraHome

Field Summary

Fields inherited from interface org.fcrepo.common.Constants

ACCESS, ACTION, API, ATOM_APIM1_0, ATOM_ZIP1_1, ATOM1_1, AUDIT, AUDIT1_0, BATCH_MODIFY, BATCH_MODIFY1_1, BE_SECURITY, BE_SECURITY1_0, BINDING_SPEC, DATASTREAM, DC, DISSEMINATOR, DS_COMPOSITE_MODEL, DS_COMPOSITE_MODEL1_0, DS_INPUT_SPEC1_0, DS_INPUT_SPEC1_1, ENVIRONMENT, FCFG, FEDORA, FEDORA_APP_CONTEXT_NAME, FEDORA_DEFAULT_APP_CONTEXT, FEDORA_HOME, FEDORA_REPOSITORY_PID, FOXML, FOXML1_0, FOXML1_0_LEGACY, FOXML1_1, HTTP_REQUEST, MANAGEMENT, METHOD_MAP, METS, METS_EXT, METS_EXT1_0, METS_EXT1_0_LEGACY, METS_EXT1_1, MODEL, MULGARA, OAI_DC, OAI_DC2_0, OAI_FRIENDS, OAI_FRIENDS2_0, OAI_IDENTIFIER, OAI_IDENTIFIER2_0, OAI_PMH, OAI_PMH2_0, OAI_PROV, OAI_PROV2_0, OBJ_DATASTREAMS1_0, OBJ_HISTORY1_0, OBJ_ITEMS1_0, OBJ_METHODS1_0, OBJ_PROFILE1_0, OBJ_VALIDATION1_0, OBJECT, OLD_XLINK, PID_LIST1_0, RDF, RDF_XSD, RECOVERY, RELS_EXT, RELS_EXT1_0, RELS_INT1_0, REPO_DESC1_0, RESOURCE, SDEF, SDEF_METHOD_MAP1_0, SDEP, SDEP_METHOD_MAP1_0, SDEP_METHOD_MAP1_1, SERVICE_PROFILE, SOAP, SOAP_ENC, SUBJECT, TYPES, VIEW, WSDL, WSDL_HTTP, WSDL_MIME, XACML_POLICY, XACML_POLICY1_0, XACML1, XACML1_ACTION, XACML1_POLICY, XACML1_RESOURCE, XACML1_SUBJECT, XACML2_POLICY_SCHEMA, XLINK, XML_XSD, XMLNS, XSI

Constructor Summary

DefaultExternalContentManager(Map<String,String> moduleParameters, Server server, String role)
Creates a new DefaultExternalContentManager.

Method Summary

MIMETypedStream	getExternalContent(ContentManagerParams params) Reads the contents of the specified URL and returns the result as a MIMETypedStream.
void	initModule() Initializes the Module based on configuration parameters.

Methods inherited from class org.fcrepo.server.Module

getRole, getServer, postInitModule, shutdownModule

Methods inherited from class org.fcrepo.server.Pluggable

getHelp, getOptionalParameters, getParameterHelp, getRequiredModuleRoles, getRequiredParameters

Methods inherited from class org.fcrepo.server.Parameterized

getParameter, getParameter, getParameter, getParameterList, getParameters, getParameters, parameterNames, setParameter, setParameters, setParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultExternalContentManager

public DefaultExternalContentManager(Map<String,String> moduleParameters,
                                     Server server,
                                     String role)
                              throws ModuleInitializationException

Creates a new DefaultExternalContentManager.

Parameters:

moduleParameters - The name/value pair map of module parameters.

server - The server instance.

role - The module role name.

Throws:

ModuleInitializationException - If initialization values are invalid or initialization fails for some other reason.

Method Detail

initModule

public void initModule()
                throws ModuleInitializationException

Initializes the Module based on configuration parameters. The implementation of this method is dependent on the schema used to define the parameter names for the role of org.fcrepo.server.storage.DefaultExternalContentManager.

Overrides:

initModule in class Module

Throws:

ModuleInitializationException - If initialization values are invalid or initialization fails for some other reason.

getExternalContent

public MIMETypedStream getExternalContent(ContentManagerParams params)
                                   throws GeneralException,
                                          HttpServiceNotFoundException

Description copied from interface: ExternalContentManager

Reads the contents of the specified URL and returns the result as a MIMETypedStream. Used as a wrapper with a default MIME type of "text/plain"

Specified by:

getExternalContent in interface ExternalContentManager

Returns:

A MIME-typed stream.

Throws:

GeneralException

HttpServiceNotFoundException