org.openrdf.http.protocol
Class Protocol

java.lang.Object
  org.openrdf.http.protocol.Protocol

public abstract class Protocol
extends Object

Field Summary

static String	ACCEPT_PARAM_NAME Parameter name for the Accept parameter (may also be used as the name of the Accept HTTP header).
static String	BASEURI_PARAM_NAME Parameter name for the base-URI parameter.
static String	BINDING_PREFIX Parameter prefix for query-external variable bindings.
static String	CONFIG Relative location of the config resource.
static String	CONTEXT_PARAM_NAME Parameter name for the context parameter.
static String	CONTEXTS Relative location of the context list resource of a repository.
static String	DEFAULT_GRAPH_PARAM_NAME Parameter name for the default graph URI parameter.
static String	FORM_MIME_TYPE MIME type for www forms: application/x-www-form-urlencoded.
static String	INCLUDE_INFERRED_PARAM_NAME Parameter name for the 'includeInferred' parameter.
static String	NAMED_GRAPH_PARAM_NAME Parameter name for the named graph URI parameter.
static String	NAMESPACES Relative location of the namespaces list resource of a repository.
static String	NULL_PARAM_VALUE Parameter value for the NULL context.
static String	OBJECT_PARAM_NAME Parameter name for the 'object' parameter of statement query.
static String	PREDICATE_PARAM_NAME Parameter name for the 'predicate' parameter of a statement query.
static String	PROTOCOL Relative location of the protocol resource.
static String	QUERY_LANGUAGE_PARAM_NAME Parameter name for the query language parameter.
static String	QUERY_PARAM_NAME Parameter name for the query parameter.
static String	REPOSITORIES Relative location of the repository list resource.
static String	SIZE Relative location of the 'size' resource of a repository.
static String	STATEMENTS Relative location of the statement list resource of a repository.
static String	SUBJECT_PARAM_NAME Parameter name for the 'subject' parameter of a statement query.
static String	TXN_MIME_TYPE MIME type for transactions: application/x-rdftransaction.
static String	VERSION Protocol version.

Constructor Summary

Protocol()

Method Summary

static Resource	decodeContext(String encodedValue, ValueFactory valueFactory) Decode a previously encoded context Resource.
static Resource[]	decodeContexts(String[] encodedValues, ValueFactory valueFactory) Decode previously encoded contexts.
static Resource	decodeResource(String encodedValue, ValueFactory valueFactory) Decode a previously encoded Resource.
static URI	decodeURI(String encodedValue, ValueFactory valueFactory) Decode a previously encoded URI.
static Value	decodeValue(String encodedValue, ValueFactory valueFactory) Decode a previously encoded value.
static String	encodeContext(Resource context) Encodes a context resource for use in a URL.
static String[]	encodeContexts(Resource... contexts) Encode context resources for use in a URL.
static String	encodeValue(Value value) Encodes a value for use in a URL.
static String	getConfigLocation(String serverLocation) Get the location of the server configuration resource on the specified server.
static String	getContextsLocation(String repositoryLocation) Get the location of the contexts lists resource for a specific repository.
static String	getNamespacePrefixLocation(String repositoryLocation, String prefix) Get the location of the namespace with the specified prefix for a specific repository on the specified server.
static String	getNamespacesLocation(String repositoryLocation) Get the location of the namespaces lists resource for a specific repository on the specified server.
static String	getProtocolLocation(String serverLocation) Get the location of the protocol resource on the specified server.
static String	getRepositoriesLocation(String serverLocation) Get the location of the repository list resource on the specified server.
static String	getRepositoryLocation(String serverLocation, String repositoryID) Get the location of a specific repository resource on the specified server.
static String	getSizeLocation(String repositoryLocation) Get the location of the 'size' resource for a specific repository on the specified server.
static String	getStatementsLocation(String repositoryLocation) Get the location of the statements resource for a specific repository.

Methods inherited from class java.lang.Object

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

Field Detail

VERSION

public static final String VERSION

Protocol version.

See Also:

Constant Field Values

SUBJECT_PARAM_NAME

public static final String SUBJECT_PARAM_NAME

Parameter name for the 'subject' parameter of a statement query.

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Constant Field Values

PREDICATE_PARAM_NAME

public static final String PREDICATE_PARAM_NAME

Parameter name for the 'predicate' parameter of a statement query.

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Constant Field Values

OBJECT_PARAM_NAME

public static final String OBJECT_PARAM_NAME

Parameter name for the 'object' parameter of statement query.

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Constant Field Values

INCLUDE_INFERRED_PARAM_NAME

public static final String INCLUDE_INFERRED_PARAM_NAME

Parameter name for the 'includeInferred' parameter.

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Constant Field Values

CONTEXT_PARAM_NAME

public static final String CONTEXT_PARAM_NAME

Parameter name for the context parameter.

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Constant Field Values

NULL_PARAM_VALUE

public static final String NULL_PARAM_VALUE

Parameter value for the NULL context.

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Constant Field Values

BASEURI_PARAM_NAME

public static final String BASEURI_PARAM_NAME

Parameter name for the base-URI parameter.

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Constant Field Values

QUERY_PARAM_NAME

public static final String QUERY_PARAM_NAME

Parameter name for the query parameter.

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Constant Field Values

QUERY_LANGUAGE_PARAM_NAME

public static final String QUERY_LANGUAGE_PARAM_NAME

Parameter name for the query language parameter.

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Constant Field Values

DEFAULT_GRAPH_PARAM_NAME

public static final String DEFAULT_GRAPH_PARAM_NAME

Parameter name for the default graph URI parameter.

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Constant Field Values

NAMED_GRAPH_PARAM_NAME

public static final String NAMED_GRAPH_PARAM_NAME

Parameter name for the named graph URI parameter.

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Constant Field Values

ACCEPT_PARAM_NAME

public static final String ACCEPT_PARAM_NAME

Parameter name for the Accept parameter (may also be used as the name of the Accept HTTP header).

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Constant Field Values

PROTOCOL

public static final String PROTOCOL

Relative location of the protocol resource.

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Constant Field Values

CONFIG

public static final String CONFIG

Relative location of the config resource.

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Constant Field Values

REPOSITORIES

public static final String REPOSITORIES

Relative location of the repository list resource.

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Constant Field Values

STATEMENTS

public static final String STATEMENTS

Relative location of the statement list resource of a repository.

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Constant Field Values

CONTEXTS

public static final String CONTEXTS

Relative location of the context list resource of a repository.

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Constant Field Values

NAMESPACES

public static final String NAMESPACES

Relative location of the namespaces list resource of a repository.

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Constant Field Values

BINDING_PREFIX

public static final String BINDING_PREFIX

Parameter prefix for query-external variable bindings.

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Constant Field Values

SIZE

public static final String SIZE

Relative location of the 'size' resource of a repository.

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Constant Field Values

TXN_MIME_TYPE

public static final String TXN_MIME_TYPE

MIME type for transactions: application/x-rdftransaction.

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Constant Field Values

FORM_MIME_TYPE

public static final String FORM_MIME_TYPE

MIME type for www forms: application/x-www-form-urlencoded.

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Constant Field Values

Constructor Detail

Protocol

public Protocol()

Method Detail

getProtocolLocation

public static final String getProtocolLocation(String serverLocation)

Get the location of the protocol resource on the specified server.

Parameters:

serverLocation - the base location of a server implementing this REST protocol.

Returns:

the location of the protocol resource on the specified server

getConfigLocation

public static final String getConfigLocation(String serverLocation)

Get the location of the server configuration resource on the specified server.

Parameters:

serverLocation - the base location of a server implementing this REST protocol.

Returns:

the location of the server configuration resource on the specified server

getRepositoriesLocation

public static final String getRepositoriesLocation(String serverLocation)

Get the location of the repository list resource on the specified server.

Parameters:

serverLocation - the base location of a server implementing this REST protocol.

Returns:

the location of the repository list resource on the specified server

getRepositoryLocation

public static final String getRepositoryLocation(String serverLocation,
                                                 String repositoryID)

Get the location of a specific repository resource on the specified server.

Parameters:

serverLocation - the base location of a server implementing this REST protocol.

repositoryID - the ID of the repository

Returns:

the location of a specific repository resource on the specified server

getStatementsLocation

public static final String getStatementsLocation(String repositoryLocation)

Get the location of the statements resource for a specific repository.

Parameters:

repositoryLocation - the location of a repository implementing this REST protocol.

Returns:

the location of the statements resource for the specified repository

getContextsLocation

public static final String getContextsLocation(String repositoryLocation)

Get the location of the contexts lists resource for a specific repository.

Parameters:

repositoryLocation - the location of a repository implementing this REST protocol.

Returns:

the location of the contexts lists resource for the specified repository

getNamespacesLocation

public static final String getNamespacesLocation(String repositoryLocation)

Get the location of the namespaces lists resource for a specific repository on the specified server.

Parameters:

repositoryLocation - the base location of a server implementing this REST protocol.

Returns:

the location of the namespaces lists resource for a specific repository on the specified server

getNamespacePrefixLocation

public static final String getNamespacePrefixLocation(String repositoryLocation,
                                                      String prefix)

Get the location of the namespace with the specified prefix for a specific repository on the specified server.

Parameters:

repositoryLocation - the location of a repository implementing this REST protocol.

prefix - the namespace prefix

Returns:

the location of the the namespace with the specified prefix for a specific repository on the specified server

getSizeLocation

public static final String getSizeLocation(String repositoryLocation)

Get the location of the 'size' resource for a specific repository on the specified server.

Parameters:

repositoryLocation - the location of a repository implementing this REST protocol.

Returns:

the location of the 'size' resource for a specific repository on the specified server

encodeValue

public static String encodeValue(Value value)

Encodes a value for use in a URL.

Parameters:

value - The value to encode, possibly null.

Returns:

The N-Triples representation of the supplied value, or NULL_PARAM_VALUE if the supplied value was null.

decodeValue

public static Value decodeValue(String encodedValue,
                                ValueFactory valueFactory)

Decode a previously encoded value.

Parameters:

encodedValue - the encoded value

valueFactory - the factory to use for constructing the Value

Returns:

the decoded Value

See Also:

encodeValue(Value)

decodeResource

public static Resource decodeResource(String encodedValue,
                                      ValueFactory valueFactory)

Decode a previously encoded Resource.

Parameters:

encodedValue - the encoded value

valueFactory - the factory to use for constructing the Resource

Returns:

the decoded Resource

See Also:

encodeValue(Value)

decodeURI

public static URI decodeURI(String encodedValue,
                            ValueFactory valueFactory)

Decode a previously encoded URI.

Parameters:

encodedValue - the encoded value

valueFactory - the factory to use for constructing the URI

Returns:

the decoded URI

See Also:

encodeValue(Value)

encodeContext

public static String encodeContext(Resource context)

Encodes a context resource for use in a URL.

Parameters:

context - The context to encode, possibly null.

Returns:

The N-Triples representation of the supplied context, or NULL_PARAM_VALUE if the supplied value was null.

decodeContext

public static Resource decodeContext(String encodedValue,
                                     ValueFactory valueFactory)

Decode a previously encoded context Resource.

Parameters:

encodedValue - the encoded value

valueFactory - the factory to use for constructing the Resource

Returns:

the decoded Resource, or null if the encoded values was null or equal to NULL_PARAM_VALUE

encodeContexts

public static String[] encodeContexts(Resource... contexts)

Encode context resources for use in a URL.

Parameters:

contexts - the contexts to encode, must not be null.

Returns:

the encoded contexts

Throws:

IllegalArgumentException - If the contexts is null.

decodeContexts

public static Resource[] decodeContexts(String[] encodedValues,
                                        ValueFactory valueFactory)

Decode previously encoded contexts.

Parameters:

encodedValues - the encoded values

valueFactory - the factory to use for constructing the Resources

Returns:

the decoded Resources, or an empty array if the supplied encodedValues was null.