org.apache.shindig.gadgets.render

Class DefaultServiceFetcher

java.lang.Object

org.apache.shindig.gadgets.render.DefaultServiceFetcher

All Implemented Interfaces:

ServiceFetcher

public class DefaultServiceFetcher
extends Object
implements ServiceFetcher

Default implementation for the ServiceFetcher the rpc services for a container by fetching them from the container's system.listMethods endpoints as defined in the container config.

Field Summary

Fields

Modifier and Type	Field and Description
static String	GADGETS_FEATURES_CONFIG
static String	JSON_RESPONSE_WRAPPER_ELEMENT
static String	OSAPI_BASE_ENDPOINTS Key in container config that lists the endpoints offering services
static String	OSAPI_FEATURE_CONFIG
static String	OSAPI_SERVICES
static String	SYSTEM_LIST_METHODS_METHOD

Constructor Summary

Constructors

Constructor and Description
DefaultServiceFetcher(ContainerConfig config, HttpFetcher fetcher)

Method Summary

Methods

Modifier and Type	Method and Description
protected List<String>	getEndpointsFromContainerConfig(String container, String host)
com.google.common.collect.Multimap<String,String>	getServicesForContainer(String container, String host) Returns the services, keyed by endpoint for the given container.
protected Set<String>	getServicesFromJsonResponse(String content)
protected Set<String>	retrieveServices(String container, String endpoint)
void	setAuthority(Authority authority)
void	setSecurityTokenCodec(SecurityTokenCodec codec)

Methods inherited from class java.lang.Object

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

Field Detail

JSON_RESPONSE_WRAPPER_ELEMENT

public static final String JSON_RESPONSE_WRAPPER_ELEMENT

See Also:

Constant Field Values

OSAPI_FEATURE_CONFIG

public static final String OSAPI_FEATURE_CONFIG

See Also:

Constant Field Values

OSAPI_SERVICES

public static final String OSAPI_SERVICES

See Also:

Constant Field Values

GADGETS_FEATURES_CONFIG

public static final String GADGETS_FEATURES_CONFIG

See Also:

Constant Field Values

SYSTEM_LIST_METHODS_METHOD

public static final String SYSTEM_LIST_METHODS_METHOD

See Also:

Constant Field Values

OSAPI_BASE_ENDPOINTS

public static final String OSAPI_BASE_ENDPOINTS

Key in container config that lists the endpoints offering services

See Also:

Constant Field Values

Constructor Detail

DefaultServiceFetcher

@Inject
public DefaultServiceFetcher(ContainerConfig config,
                            HttpFetcher fetcher)

Parameters:

config - Container Config for looking up endpoints

Method Detail

setAuthority

@Inject(optional=true)
public void setAuthority(Authority authority)

setSecurityTokenCodec

@Inject
public void setSecurityTokenCodec(SecurityTokenCodec codec)

getServicesForContainer

public com.google.common.collect.Multimap<String,String> getServicesForContainer(String container,
                                                                        String host)

Returns the services, keyed by endpoint for the given container.

Specified by:

getServicesForContainer in interface ServiceFetcher

Parameters:

container - The particular container whose services we want.

Returns:

Map endpoints and their serviceMethod list

getEndpointsFromContainerConfig

protected List<String> getEndpointsFromContainerConfig(String container,
                                           String host)

retrieveServices

protected Set<String> retrieveServices(String container,
                           String endpoint)

getServicesFromJsonResponse

protected Set<String> getServicesFromJsonResponse(String content)
                                           throws JSONException

Throws:

JSONException