Package org.apache.jena.atlas.web

Examples of org.apache.jena.atlas.web.ContentType

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        while (it.hasNext())
        {
            Lang lang = it.next();
            if (!lang.equals(Lang.RDFNULL) && !lang.equals(Lang.RDFXML))
            {
                ContentType ct = lang.getContentType();
                //List<String> altTypes = lang.getAltContentTypes();
                MediaType mediaType = new MediaType(ct.getType(), ct.getSubType()); // MediaType.valueOf(ct.getContentType()
                variants.add(new Variant(mediaType, null, null));
            }
        }
       
        return variants;
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        while (it.hasNext())
        {
            Lang lang = it.next();
            if (!lang.equals(Lang.RDFNULL) && !lang.equals(Lang.RDFXML))
            {
                ContentType ct = lang.getContentType();
                //List<String> altTypes = lang.getAltContentTypes();
                MediaType mediaType = new MediaType(ct.getType(), ct.getSubType()); // MediaType.valueOf(ct.getContentType()
                variants.add(new Variant(mediaType, null, null));
            }
        }
       
        return variants;
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    protected void perform(HttpAction action)
    {
        // WebContent needs to migrate to using ContentType.
        String ctStr ;
        {
            ContentType ct = FusekiLib.getContentType(action) ;
            if ( ct == null )
                ctStr = WebContent.contentTypeSPARQLUpdate ;
            else
                ctStr = ct.getContentType() ;
        }

        if (WebContent.contentTypeSPARQLUpdate.equals(ctStr))
        {
            executeBody(action) ;
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        HttpServletRequest request = action.request ;
       
        if ( ! HttpNames.METHOD_POST.equalsIgnoreCase(request.getMethod()) )
            errorMethodNotAllowed("SPARQL Update : use POST") ;
       
        ContentType incoming = FusekiLib.getContentType(action) ;
        String ctStr = ( incoming == null ) ? WebContent.contentTypeSPARQLUpdate : incoming.getContentType() ;
        // ----
       
        if ( WebContent.contentTypeSPARQLUpdate.equals(ctStr) )
        {
            String charset = request.getCharacterEncoding() ;
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        ServletFileUpload upload = new ServletFileUpload();
        String graphName = null ;
        long count = -1 ;
       
        String name = null ; 
        ContentType ct = null ;
        Lang lang = null ;

        try {
            FileItemIterator iter = upload.getItemIterator(action.request);
            while (iter.hasNext()) {
                FileItemStream item = iter.next();
                String fieldName = item.getFieldName();
                InputStream stream = item.openStream();
                if (item.isFormField())
                {
                    // Graph name.
                    String value = Streams.asString(stream, "UTF-8") ;
                    if ( fieldName.equals(HttpNames.paramGraph) )
                    {
                        graphName = value ;
                        if ( graphName != null && ! graphName.equals("") && ! graphName.equals(HttpNames.valueDefault) )
                        {
                            IRI iri = IRIResolver.parseIRI(value) ;
                            if ( iri.hasViolation(false) )
                                errorBadRequest("Bad IRI: "+graphName) ;
                            if ( iri.getScheme() == null )
                                errorBadRequest("Bad IRI: no IRI scheme name: "+graphName) ;
                            if ( iri.getScheme().equalsIgnoreCase("http") || iri.getScheme().equalsIgnoreCase("https"))
                            {
                                // Redundant??
                                if ( iri.getRawHost() == null )
                                    errorBadRequest("Bad IRI: no host name: "+graphName) ;
                                if ( iri.getRawPath() == null || iri.getRawPath().length() == 0 )
                                    errorBadRequest("Bad IRI: no path: "+graphName) ;
                                if ( iri.getRawPath().charAt(0) != '/' )
                                    errorBadRequest("Bad IRI: Path does not start '/': "+graphName) ;
                            }
                        }
                    }
                    else if ( fieldName.equals(HttpNames.paramDefaultGraphURI) )
                        graphName = null ;
                    else
                        // Add file type?
                        log.info(format("[%d] Upload: Field=%s ignored", action.id, fieldName)) ;
                } else {
                    // Process the input stream
                    name = item.getName() ;
                    if ( name == null || name.equals("") || name.equals("UNSET FILE NAME") )
                        errorBadRequest("No name for content - can't determine RDF syntax") ;

                    String contentTypeHeader = item.getContentType() ;
                    ct = ContentType.create(contentTypeHeader) ;

                    lang = WebContent.contentTypeToLang(ct.getContentType()) ;
                    if ( lang == null )
                        lang = RDFLanguages.filenameToLang(name) ;
                    if ( lang == null )
                        // Desperate.
                        lang = RDFLanguages.RDFXML ;

                    log.info(format("[%d] Upload: Filename: %s, Content-Type=%s, Charset=%s => %s",
                                    action.id, name,  ct.getContentType(), ct.getCharset(), lang.getName())) ;
                   
                    StreamRDF x = StreamRDFLib.graph(graphTmp) ;
                    StreamRDFCounting dest =  StreamRDFLib.count(x) ;
                    SPARQL_REST.parse(action, dest, stream, lang, base);
                    count = dest.count() ;
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    @Override
    protected void doPost(HttpAction action)     { doPutPost(action, false) ; }

    private void doPutPost(HttpAction action, boolean overwrite) {
        ContentType ct = FusekiLib.getContentType(action) ;
        if ( ct == null )
            errorBadRequest("No Content-Type:") ;

        // Helper case - if it's a possible HTTP file upload, pretend that's the action.
        if ( WebContent.contentTypeMultiFormData.equalsIgnoreCase(ct.getContentType()) ) {
            String base = wholeRequestURL(action.request) ;
            SPARQL_Upload.upload(action, base) ;
            return ;
        }

        if ( WebContent.contentTypeMultiMixed.equals(ct.getContentType()) ) {
            error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "multipart/mixed not supported") ;
        }
       
        boolean existedBefore = false ;
        if ( action.isTransactional() )
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        } finally { action.endWrite() ; }
    }
   
    private static void incomingData(HttpAction action, StreamRDF dest) {
        String base = wholeRequestURL(action.request) ;
        ContentType ct = FusekiLib.getContentType(action) ;
        Lang lang = WebContent.contentTypeToLang(ct.getContentType()) ;
        if ( lang == null ) {
            errorBadRequest("Unknown content type for triples: " + ct) ;
            return ;
        }
        InputStream input = null ;
        try { input = action.request.getInputStream() ; }
        catch (IOException ex) { IO.exception(ex) ; }
   
        int len = action.request.getContentLength() ;
        if ( action.verbose ) {
            if ( len >= 0 )
                log.info(format("[%d]   Body: Content-Length=%d, Content-Type=%s, Charset=%s => %s", action.id, len,
                                ct.getContentType(), ct.getCharset(), lang.getName())) ;
            else
                log.info(format("[%d]   Body: Content-Type=%s, Charset=%s => %s", action.id, ct.getContentType(),
                                ct.getCharset(), lang.getName())) ;
        }
   
        parse(action, dest, input, lang, base) ;
    }
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        {
            executeWithParameter(action) ;
            return ;
        }

        ContentType ct = FusekiLib.getContentType(action) ;
        String incoming = ct.getContentType() ;

        // POST application/sparql-query
        if (WebContent.contentTypeSPARQLQuery.equals(incoming))
        {
            executeBody(action) ;
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    protected abstract void validateRequest(HttpAction action) ;
   
    /** Helper for validating request */
    protected void validateParams(HttpServletRequest request, Collection<String> params)
    {
        ContentType ct = FusekiLib.getContentType(request) ;
        boolean mustHaveQueryParam = true ;
        if ( ct != null )
        {
            String incoming = ct.getContentType() ;
           
            if ( WebContent.contentTypeSPARQLQuery.equals(incoming) )
            {
                mustHaveQueryParam = false ;
                //error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "Unofficial "+WebContent.contentTypeSPARQLQuery+" not supported") ;
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        if ( contentTypeHeader == null )
            errorBadRequest("No content type: "+contentTypeHeader) ;
            // lang = Lang.guess(action.request.getRequestURI()) ;
       
        ContentType ct = ContentType.parse(contentTypeHeader) ;
       
        String base = wholeRequestURL(action.request) ;
       
        // Use WebContent names
        if ( WebContent.contentTypeMultiFormData.equalsIgnoreCase(ct.getContentType()) )
        {
//            //log.warn("multipart/form-data not supported (yet)") ;
//            error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "multipart/form-data not supported") ;
            Graph graphTmp = SPARQL_Upload.upload(action.id,  action.getDatasetRef(), action.request, action.response, base) ;
            return DatasetGraphFactory.create(graphTmp) ;
        }
       
        if (WebContent.contentTypeMultiMixed.equals(ct.getContentType()) )
        {
            //log.warn("multipart/mixed not supported") ;
            error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "multipart/mixed not supported") ;
            return null ;
        }

        int len = action.request.getContentLength() ;
        Lang lang = WebContent.contentTypeToLang(ct.getContentType()) ;
        if ( lang == null )
        {
            errorBadRequest("Unknown content type for triples: "+contentTypeHeader) ;
            return null ;
        }

        if ( action.verbose )
        {
            if ( len >= 0 )
                log.info(format("[%d]   Body: Content-Length=%d, Content-Type=%s, Charset=%s => %s",
                                      action.id, len, ct.getContentType(), ct.getCharset(), lang.getName())) ;
            else
                log.info(format("[%d]   Body: Content-Type=%s, Charset=%s => %s",
                                          action.id, ct.getContentType(), ct.getCharset(), lang.getName())) ;
        }
       
        try {
            InputStream input = action.request.getInputStream() ;
            boolean buffering = false ;
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Related Classes of org.apache.jena.atlas.web.ContentType

  • org.apache.jena.fuseki.servlets.SPARQL_Query
  • org.apache.jena.fuseki.servlets.SPARQL_REST
  • org.apache.jena.fuseki.servlets.SPARQL_REST_RW
  • org.apache.jena.fuseki.servlets.SPARQL_Update
  • org.apache.jena.fuseki.servlets.SPARQL_Upload
  • org.apache.jena.riot.RDFDataMgr
  • org.apache.jena.riot.stream.LocatorClassLoader
  • org.apache.jena.riot.stream.LocatorFile
  • org.apache.jena.riot.stream.LocatorFTP
  • org.apache.jena.riot.stream.LocatorZip
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