org.wandora.application.tools.extractors.rdf

Class AbstractRDFExtractor

java.lang.Object

org.wandora.application.tools.AbstractWandoraTool

org.wandora.application.tools.extractors.AbstractExtractor

org.wandora.application.tools.extractors.rdf.AbstractRDFExtractor

All Implemented Interfaces:

java.io.Serializable, java.lang.Runnable, BrowserPluginExtractor, DropExtractor, WandoraTool, WandoraToolLogger, Handler, InterruptHandler, TopicMapLogger

Direct Known Subclasses:

AllMappingsExtractor, CreativeCommonsRDFExtractor, DbpediaRDFExtractor, DublinCoreRDFExtractor, FoafRDFExtractor, IIIFRDFExtractor, OpenCYCOWLExtractor, OWLExtractor, RDFSExtractor, RSSRDFExtractor, SKOSRDFExtractor, TwineExtractor

public abstract class AbstractRDFExtractor
extends AbstractExtractor

Author:

akivela

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	baseUrl
private java.lang.String[]	contentTypes
private java.lang.String	defaultEncoding
static java.lang.String	defaultLanguage
static java.lang.String	defaultOccurrenceScopeSI
static java.lang.String	RDF_LIST_ORDER

Fields inherited from class org.wandora.application.tools.extractors.AbstractExtractor

CUSTOM_EXTRACTOR, DONE_FAILED, DONE_MANY, DONE_ONE, EXACTLY_GIVEN_URLS, FILE_EXTRACTOR, FILE_PATTERN, GIVEN_URLS_AND_ALL_CRAWLED_DOCUMENTS, GIVEN_URLS_AND_CRAWLED_DOCUMENTS_IN_URL_DOMAIN, GIVEN_URLS_AND_LINKED_DOCUMENTS, GIVEN_URLS_AND_URL_BELOW, INFO_WAIT_WHILE_WORKING, LOG_TITLE, POINT_START_URL_TEXT, RAW_EXTRACTOR, SELECT_DIALOG_TITLE, STRING_EXTRACTOR_NOT_SUPPORTED_MESSAGE, URL_EXTRACTOR

Fields inherited from interface org.wandora.application.WandoraToolLogger

CLOSE, EXECUTE, INVISIBLE, VISIBLE, WAIT

Fields inherited from interface org.wandora.application.tools.browserextractors.BrowserPluginExtractor

RETURN_ERROR, RETURN_INFO

Constructor Summary

Constructors

Constructor and Description
AbstractRDFExtractor()

Method Summary

Modifier and Type	Method and Description
boolean	_extractTopicsFrom(java.io.File file, TopicMap topicMap)
boolean	_extractTopicsFrom(java.io.InputStream in, TopicMap topicMap)
boolean	_extractTopicsFrom(java.lang.String in, TopicMap tm)
boolean	_extractTopicsFrom(java.net.URL url, TopicMap topicMap)
void	execute(Wandora wandora, Context context) Runs the tool.
java.lang.String	getBaseUrl()
java.lang.String[]	getContentTypes() Returns an array of String containing the content-types this ContentHandler can process.
java.lang.String	getDescription() AdminToolManager views tool descriptions while user browses available tools and build user customizable GUI elements such as Tools menu.
javax.swing.Icon	getIcon() All tools may have identifying graphic icon used within tool GUI elements.
abstract RDF2TopicMapsMapping[]	getMappings()
java.lang.String	getName() Tools name represent the tool in UI unless the tool has been given explicitly another GUI name.
Topic	getOrCreateTopic(TopicMap map, java.lang.String si)
Topic	getOrCreateTopic(TopicMap map, java.lang.String si, java.lang.String basename)
java.lang.String	getRDFContainerFormat() Override this if the RDF is in some other container format than XML/RDF.
void	handleStatement(com.hp.hpl.jena.rdf.model.Statement stmt, TopicMap map)
void	importRDF(java.io.InputStream in, TopicMap map)
void	RDF2TopicMap(com.hp.hpl.jena.rdf.model.Model model, TopicMap map)
void	setBaseUrl(java.lang.String url)
java.lang.String	solveBasenameFor(java.lang.String si)
Topic	solveObjectRoleFor(com.hp.hpl.jena.rdf.model.Property predicate, com.hp.hpl.jena.rdf.model.RDFNode object, TopicMap map)
Topic	solveSubjectRoleFor(com.hp.hpl.jena.rdf.model.Property predicate, com.hp.hpl.jena.rdf.model.Resource subject, TopicMap map)
boolean	useURLCrawler()

Methods inherited from class org.wandora.application.tools.extractors.AbstractExtractor

acceptBrowserExtractRequest, addCrawlerUrl, browserExtractorConsumesPlainText, buildSI, buildSL, clearMasterSubject, createAssociation, createAssociation, createTopic, createTopic, createTopic, createTopic, createTopic, createTopic, createTopic, croppedFilename, croppedFilename, croppedUrlString, croppedUrlString, doBrowserExtract, dropExtract, dropExtract, dropExtract, extractTopicsFrom, extractTopicsFrom, extractTopicsFrom, extractTopicsFrom, extractTopicsFromText, getBrowserExtractorName, getCrawlerMode, getExtractorType, getForceContent, getForceFiles, getForceUrls, getGUIText, getGUIText, getInterruptsHandled, getMasterSubject, getType, getWandora, handle, handleContent, handleCustomType, handleFiles, handleForcedContent, handleInterrupt, handleStringContent, handleUrls, initializeCustomType, instantDropHandle, makeSubclassOfWandoraClass, runInOwnThread, setData, setDisplayName, setForceContent, setForceFiles, setForceUrls, setMasterSubject, setMasterSubject, setTopicMap, setupCrawler, setWandora, takeNap, urlEncode, useTempTopicMap

Methods inherited from class org.wandora.application.tools.AbstractWandoraTool

addUndoMarker, addUndoMarker, allowMultipleInvocations, clearAllThreads, clearThreads, clearThreads, clearToolLock, clearToolLock, clearToolLocks, configure, execute, execute, forceStop, forceStop, getContext, getCurrentLogger, getDefaultLogger, getHistory, getLastLogger, getState, getThreads, getThreads, getToolMenuItem, getToolMenuItem, getTopicName, hlog, initialize, interruptAllThreads, interruptThreads, interruptThreads, isConfigurable, isRunning, isRunning, lockLog, log, log, log, log, requiresRefresh, run, setContext, setDefaultLogger, setLogTitle, setProgress, setProgressMax, setState, setToolLogger, singleLog, singleLog, singleLog, solveContextTopicMap, solveNameForTopicMap, writeOptions

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.wandora.application.WandoraTool

configure, execute, execute, getContext, getToolMenuItem, hlog, initialize, isConfigurable, isRunning, log, log, log, log, requiresRefresh, setContext, setToolLogger, writeOptions

Methods inherited from interface org.wandora.application.WandoraToolLogger

forceStop, getHistory, getState, lockLog, setLogTitle, setProgress, setProgressMax, setState

Methods inherited from interface java.lang.Runnable

run

Field Detail

defaultEncoding

private java.lang.String defaultEncoding

defaultLanguage

public static java.lang.String defaultLanguage

defaultOccurrenceScopeSI

public static final java.lang.String defaultOccurrenceScopeSI

See Also:

Constant Field Values

contentTypes

private final java.lang.String[] contentTypes

baseUrl

public java.lang.String baseUrl

RDF_LIST_ORDER

public static final java.lang.String RDF_LIST_ORDER

See Also:

Constant Field Values

Constructor Detail

AbstractRDFExtractor

public AbstractRDFExtractor()

Method Detail

getName

public java.lang.String getName()

Description copied from class: AbstractWandoraTool

Tools name represent the tool in UI unless the tool has been given explicitly another GUI name. All tools should override this method and return a valid string representing name of the tool.

Specified by:

getName in interface WandoraTool

Overrides:

getName in class AbstractExtractor

Returns:

String representing tool's name.

getDescription

public java.lang.String getDescription()

Description copied from class: AbstractWandoraTool

AdminToolManager views tool descriptions while user browses available tools and build user customizable GUI elements such as Tools menu. By default description equals the tool name. All tools should override this method.

Specified by:

getDescription in interface WandoraTool

Overrides:

getDescription in class AbstractExtractor

Returns:

String representing tool's description.

getIcon

public javax.swing.Icon getIcon()

Description copied from class: AbstractWandoraTool

All tools may have identifying graphic icon used within tool GUI elements. getIcon should return Icon object of the tool.

Specified by:

getIcon in interface WandoraTool

Overrides:

getIcon in class AbstractExtractor

Returns:

icon for the tool.

getContentTypes

public java.lang.String[] getContentTypes()

Description copied from interface: Handler

Returns an array of String containing the content-types this ContentHandler can process.

Specified by:

getContentTypes in interface Handler

Overrides:

getContentTypes in class AbstractExtractor

Returns:

String array representing content types.

useURLCrawler

public boolean useURLCrawler()

Overrides:

useURLCrawler in class AbstractExtractor

execute

public void execute(Wandora wandora,
                    Context context)

Description copied from interface: WandoraTool

Runs the tool. This is the main entry to the tool. Here the context

Specified by:

execute in interface WandoraTool

Overrides:

execute in class AbstractExtractor

getBaseUrl

public java.lang.String getBaseUrl()

setBaseUrl

public void setBaseUrl(java.lang.String url)

_extractTopicsFrom

public boolean _extractTopicsFrom(java.net.URL url,
                                  TopicMap topicMap)
                           throws java.lang.Exception

Specified by:

_extractTopicsFrom in class AbstractExtractor

Throws:

java.lang.Exception

_extractTopicsFrom

public boolean _extractTopicsFrom(java.io.File file,
                                  TopicMap topicMap)
                           throws java.lang.Exception

Specified by:

_extractTopicsFrom in class AbstractExtractor

Throws:

java.lang.Exception

_extractTopicsFrom

public boolean _extractTopicsFrom(java.io.InputStream in,
                                  TopicMap topicMap)
                           throws java.lang.Exception

Throws:

java.lang.Exception

_extractTopicsFrom

public boolean _extractTopicsFrom(java.lang.String in,
                                  TopicMap tm)
                           throws java.lang.Exception

Specified by:

_extractTopicsFrom in class AbstractExtractor

Throws:

java.lang.Exception

getRDFContainerFormat

public java.lang.String getRDFContainerFormat()

Override this if the RDF is in some other container format than XML/RDF. See Jena documentation for Model.read.

Returns:

importRDF

public void importRDF(java.io.InputStream in,
                      TopicMap map)

RDF2TopicMap

public void RDF2TopicMap(com.hp.hpl.jena.rdf.model.Model model,
                         TopicMap map)

handleStatement

public void handleStatement(com.hp.hpl.jena.rdf.model.Statement stmt,
                            TopicMap map)
                     throws TopicMapException

Throws:

TopicMapException

getMappings

public abstract RDF2TopicMapsMapping[] getMappings()

solveSubjectRoleFor

public Topic solveSubjectRoleFor(com.hp.hpl.jena.rdf.model.Property predicate,
                                 com.hp.hpl.jena.rdf.model.Resource subject,
                                 TopicMap map)

solveObjectRoleFor

public Topic solveObjectRoleFor(com.hp.hpl.jena.rdf.model.Property predicate,
                                com.hp.hpl.jena.rdf.model.RDFNode object,
                                TopicMap map)

solveBasenameFor

public java.lang.String solveBasenameFor(java.lang.String si)

getOrCreateTopic

public Topic getOrCreateTopic(TopicMap map,
                              java.lang.String si)

getOrCreateTopic

public Topic getOrCreateTopic(TopicMap map,
                              java.lang.String si,
                              java.lang.String basename)