Examples with ContentType org.apache.jena.atlas.web.ContentType used on opensource projects

Example 16 with ContentType

use of org.apache.jena.atlas.web.ContentType in project jena by apache.

the class Upload method incomingData.

public static UploadDetails incomingData(HttpAction action, StreamRDF dest) {
    ContentType ct = FusekiLib.getContentType(action);
    if (ct == null) {
        ServletOps.errorBadRequest("No content type");
        return null;
    }
    if (matchContentType(ctMultipartFormData, ct)) {
        return fileUploadWorker(action, dest);
    }
    // Single graph (or quads) in body.
    String base = ActionLib.wholeRequestURL(action.request);
    Lang lang = RDFLanguages.contentTypeToLang(ct.getContentType());
    if (lang == null) {
        ServletOps.errorBadRequest("Unknown content type for triples: " + ct);
        return null;
    }
    InputStream input = null;
    try {
        input = action.request.getInputStream();
    } catch (IOException ex) {
        IO.exception(ex);
    }
    int len = action.request.getContentLength();
    StreamRDFCounting countingDest = StreamRDFLib.count(dest);
    try {
        ActionSPARQL.parse(action, countingDest, input, lang, base);
        UploadDetails details = new UploadDetails(countingDest.count(), countingDest.countTriples(), countingDest.countQuads());
        action.log.info(format("[%d] Body: Content-Length=%d, Content-Type=%s, Charset=%s => %s : %s", action.id, len, ct.getContentType(), ct.getCharset(), lang.getName(), details.detailsStr()));
        return details;
    } catch (RiotParseException ex) {
        action.log.info(format("[%d] Body: Content-Length=%d, Content-Type=%s, Charset=%s => %s : %s", action.id, len, ct.getContentType(), ct.getCharset(), lang.getName(), ex.getMessage()));
        throw ex;
    }
}

Example 17 with ContentType

use of org.apache.jena.atlas.web.ContentType in project jena by apache.

the class SPARQL_GSP_RW method doPutPost.

private void doPutPost(HttpAction action, boolean overwrite) {
    ContentType ct = FusekiLib.getContentType(action);
    if (ct == null)
        ServletOps.errorBadRequest("No Content-Type:");
    if (matchContentType(ctMultipartMixed, ct)) {
        ServletOps.error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "multipart/mixed not supported");
    }
    UploadDetails details;
    if (action.isTransactional())
        details = addDataIntoTxn(action, overwrite);
    else
        details = addDataIntoNonTxn(action, overwrite);
    MediaType mt = ConNeg.chooseCharset(action.request, DEF.jsonOffer, DEF.acceptJSON);
    if (mt == null) {
        // No return body.
        if (details.getExistedBefore().equals(PreState.ABSENT))
            ServletOps.successCreated(action);
        else
            ServletOps.successNoContent(action);
        return;
    }
    ServletOps.uploadResponse(action, details);
}

Example 18 with ContentType

use of org.apache.jena.atlas.web.ContentType in project jena by apache.

the class SPARQL_Query method validateParams.

/**
     * Helper method for validating request.
     * @param request HTTP request
     * @param params parameters in a collection of Strings
     */
protected void validateParams(HttpAction action, Collection<String> params) {
    HttpServletRequest request = action.request;
    ContentType ct = FusekiLib.getContentType(request);
    boolean mustHaveQueryParam = true;
    if (ct != null) {
        String incoming = ct.getContentType();
        if (matchContentType(ctSPARQLQuery, ct)) {
            mustHaveQueryParam = false;
        // Drop through.
        } else if (matchContentType(ctHTMLForm, ct)) {
        // Nothing specific to do
        } else
            ServletOps.error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "Unsupported: " + incoming);
    }
    if (mustHaveQueryParam) {
        int N = countParamOccurences(request, paramQuery);
        if (N == 0)
            ServletOps.errorBadRequest("SPARQL Query: No 'query=' parameter");
        if (N > 1)
            ServletOps.errorBadRequest("SPARQL Query: Multiple 'query=' parameters");
        // application/sparql-query does not use a query param.
        String queryStr = request.getParameter(HttpNames.paramQuery);
        if (queryStr == null)
            ServletOps.errorBadRequest("SPARQL Query: No query specified (no 'query=' found)");
        if (queryStr.isEmpty())
            ServletOps.errorBadRequest("SPARQL Query: Empty query string");
    }
    if (params != null) {
        Enumeration<String> en = request.getParameterNames();
        for (; en.hasMoreElements(); ) {
            String name = en.nextElement();
            if (!params.contains(name))
                ServletOps.warning(action, "SPARQL Query: Unrecognize request parameter (ignored): " + name);
        }
    }
}

Example 19 with ContentType

use of org.apache.jena.atlas.web.ContentType in project jena by apache.

the class SPARQL_Query method perform.

@Override
protected final void perform(HttpAction action) {
    // OPTIONS
    if (action.request.getMethod().equals(HttpNames.METHOD_OPTIONS)) {
        // Share with update via SPARQL_Protocol.
        doOptions(action);
        return;
    }
    // GET
    if (action.request.getMethod().equals(HttpNames.METHOD_GET)) {
        executeWithParameter(action);
        return;
    }
    ContentType ct = FusekiLib.getContentType(action);
    // POST ?query= and no Content-Type
    if (ct == null || isHtmlForm(ct)) {
        // validation checked that if no Content-type, then its a POST with ?query=
        executeWithParameter(action);
        return;
    }
    // POST application/sparql-query
    if (matchContentType(ct, ctSPARQLQuery)) {
        executeBody(action);
        return;
    }
    ServletOps.error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "Bad content type: " + ct.getContentType());
}

Example 20 with ContentType

use of org.apache.jena.atlas.web.ContentType in project jena by apache.

the class SPARQL_Update method perform.

@Override
protected void perform(HttpAction action) {
    ContentType ct = FusekiLib.getContentType(action);
    if (ct == null)
        ct = ctSPARQLUpdate;
    if (matchContentType(ctSPARQLUpdate, ct)) {
        executeBody(action);
        return;
    }
    if (isHtmlForm(ct)) {
        executeForm(action);
        return;
    }
    ServletOps.error(HttpSC.UNSUPPORTED_MEDIA_TYPE_415, "Bad content type: " + action.request.getContentType());
}