Examples with JsonLdError com.github.jsonldjava.core.JsonLdError used on opensource projects

Example 6 with JsonLdError

use of com.github.jsonldjava.core.JsonLdError in project stanbol by apache.

the class JsonLdSerializingProvider method serialize.

@Override
public void serialize(OutputStream serializedGraph, Graph tc, String formatIdentifier) {
    ClerezzaRDFParser serializer = new ClerezzaRDFParser();
    try {
        long start = System.currentTimeMillis();
        Object output = JsonLdProcessor.fromRDF(tc, serializer);
        if (MODE_EXPAND.equalsIgnoreCase(mode)) {
            logger.debug(" - mode: {}", MODE_EXPAND);
            output = JsonLdProcessor.expand(output, opts);
        }
        if (MODE_FLATTEN.equalsIgnoreCase(mode)) {
            logger.debug(" - mode: {}", MODE_FLATTEN);
            // TODO: Allow inframe config
            final Object inframe = null;
            output = JsonLdProcessor.flatten(output, inframe, opts);
        }
        if (MODE_COMPACT.equalsIgnoreCase(mode)) {
            logger.debug(" - mode: {}", MODE_COMPACT);
            // TODO: collect namespaces used in the triples in the ClerezzaRDFParser
            final Map<String, Object> localCtx = new HashMap<String, Object>();
            localCtx.put("@context", DEFAULT_NAMESPACES);
            output = JsonLdProcessor.compact(output, localCtx, opts);
        }
        Writer writer = new OutputStreamWriter(serializedGraph, UTF8);
        logger.debug(" - prettyPrint: {}", prettyPrint);
        if (prettyPrint) {
            JsonUtils.writePrettyPrint(writer, output);
        } else {
            JsonUtils.write(writer, output);
        }
        if (logger.isDebugEnabled()) {
            logger.debug(" - serialized {} triples in {}ms", serializer.getCount(), System.currentTimeMillis() - start);
        }
    } catch (JsonLdError e) {
        throw new RuntimeException(e.getMessage(), e);
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

Example 7 with JsonLdError

use of com.github.jsonldjava.core.JsonLdError in project jena by apache.

the class JsonLDReader method read$.

private void read$(Object jsonObject, JsonLdOptions options, final StreamRDF output) {
    output.start();
    try {
        JsonLdTripleCallback callback = new JsonLdTripleCallback() {

            @Override
            public Object call(RDFDataset dataset) {
                // Copy across namespaces
                for (Entry<String, String> namespace : dataset.getNamespaces().entrySet()) {
                    output.prefix(namespace.getKey(), namespace.getValue());
                }
                // Copy triples and quads
                for (String gn : dataset.keySet()) {
                    Object x = dataset.get(gn);
                    if ("@default".equals(gn)) {
                        @SuppressWarnings("unchecked") List<Map<String, Object>> triples = (List<Map<String, Object>>) x;
                        for (Map<String, Object> t : triples) {
                            Node s = createNode(t, "subject");
                            Node p = createNode(t, "predicate");
                            Node o = createNode(t, "object");
                            Triple triple = profile.createTriple(s, p, o, -1, -1);
                            output.triple(triple);
                        }
                    } else {
                        @SuppressWarnings("unchecked") List<Map<String, Object>> quads = (List<Map<String, Object>>) x;
                        Node g = createURI(gn);
                        for (Map<String, Object> q : quads) {
                            Node s = createNode(q, "subject");
                            Node p = createNode(q, "predicate");
                            Node o = createNode(q, "object");
                            Quad quad = profile.createQuad(g, s, p, o, -1, -1);
                            output.quad(quad);
                        }
                    }
                }
                return null;
            }
        };
        JsonLdProcessor.toRDF(jsonObject, callback, options);
    } catch (JsonLdError e) {
        errorHandler.error(e.getMessage(), -1, -1);
        throw new RiotException(e);
    }
    output.finish();
}

Example 8 with JsonLdError

use of com.github.jsonldjava.core.JsonLdError in project aic-praise by aic-sri-international.

the class JSONLDJavaUtil method getFlattenedExpandedJSONLDJavaObject.

private static Object getFlattenedExpandedJSONLDJavaObject(Object jsonldJavaObject) throws Error {
    Map context = new HashMap();
    JsonLdOptions options = new JsonLdOptions();
    Object flattened;
    try {
        Object expanded = JsonLdProcessor.expand(jsonldJavaObject, options);
        flattened = JsonLdProcessor.flatten(expanded, context, options);
    } catch (JsonLdError e) {
        throw new Error(e);
    }
    return flattened;
}

Example 9 with JsonLdError

use of com.github.jsonldjava.core.JsonLdError in project jena by apache.

the class JsonLDReader method read$.

private void read$(Object jsonObject, String baseURI, ContentType ct, final StreamRDF output, Context context) {
    output.start();
    try {
        JsonLdTripleCallback callback = new JsonLdTripleCallback() {

            @Override
            public Object call(RDFDataset dataset) {
                // Copy across namespaces
                for (Entry<String, String> namespace : dataset.getNamespaces().entrySet()) {
                    output.prefix(namespace.getKey(), namespace.getValue());
                }
                // Copy triples and quads
                for (String gn : dataset.keySet()) {
                    Object x = dataset.get(gn);
                    if ("@default".equals(gn)) {
                        @SuppressWarnings("unchecked") List<Map<String, Object>> triples = (List<Map<String, Object>>) x;
                        for (Map<String, Object> t : triples) {
                            Node s = createNode(t, "subject");
                            Node p = createNode(t, "predicate");
                            Node o = createNode(t, "object");
                            Triple triple = profile.createTriple(s, p, o, -1, -1);
                            output.triple(triple);
                        }
                    } else {
                        @SuppressWarnings("unchecked") List<Map<String, Object>> quads = (List<Map<String, Object>>) x;
                        Node g = createURI(gn);
                        for (Map<String, Object> q : quads) {
                            Node s = createNode(q, "subject");
                            Node p = createNode(q, "predicate");
                            Node o = createNode(q, "object");
                            Quad quad = profile.createQuad(g, s, p, o, -1, -1);
                            output.quad(quad);
                        }
                    }
                }
                return null;
            }
        };
        JsonLdOptions options = new JsonLdOptions(baseURI);
        options.useNamespaces = true;
        JsonLdProcessor.toRDF(jsonObject, callback, options);
    } catch (JsonLdError e) {
        errorHandler.error(e.getMessage(), -1, -1);
        throw new RiotException(e);
    }
    output.finish();
}