Example usage for com.fasterxml.jackson.core JsonParser nextToken

List of usage examples for com.fasterxml.jackson.core JsonParser nextToken

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser nextToken.

Prototype

public abstract JsonToken nextToken() throws IOException, JsonParseException;

Source Link

Document

Main iteration method, which will advance stream enough to determine type of the next token, if any.

Usage

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.TypeAnnotationDeserializer.java

@Override
public TypeAnnotation deserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    final TypeAnnotation typeAnnot = new TypeAnnotation();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Term".equals(jp.getCurrentName())) {
                typeAnnot.setTerm(jp.nextTextValue());
            } else if ("Qualifier".equals(jp.getCurrentName())) {
                typeAnnot.setQualifier(jp.nextTextValue());
            } else if ("Documentation".equals(jp.getCurrentName())) {
                jp.nextToken();// ww  w .  j  av  a 2s . c  o m
                typeAnnot.setDocumentation(jp.getCodec().readValue(jp, Documentation.class));
            } else if ("PropertyValue".equals(jp.getCurrentName())) {
                jp.nextToken();
                typeAnnot.getPropertyValues().add(jp.getCodec().readValue(jp, PropertyValue.class));
            }
        }
    }

    return typeAnnot;
}

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.v4.FunctionDeserializer.java

@Override
protected Function doDeserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    final Function function = new Function();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                function.setName(jp.nextTextValue());
            } else if ("IsBound".equals(jp.getCurrentName())) {
                function.setBound(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("IsComposable".equals(jp.getCurrentName())) {
                function.setComposable(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("EntitySetPath".equals(jp.getCurrentName())) {
                function.setEntitySetPath(jp.nextTextValue());
            } else if ("Parameter".equals(jp.getCurrentName())) {
                jp.nextToken();//from  ww w.  ja v a 2 s. c  om
                function.getParameters().add(jp.getCodec().readValue(jp, Parameter.class));
            } else if ("ReturnType".equals(jp.getCurrentName())) {
                function.setReturnType(parseReturnType(jp, "Function"));
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                function.setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return function;
}

From source file:com.trenurbanoapp.webapi.WebApiRestClient.java

public AssetsPositionResponse assetsPosition() {

    HttpClient httpClient = getHttpClient();
    HttpGet httpGet = new HttpGet(urlbase + "/asset/position");
    getRequestCallback().doWithRequest(httpGet);
    try {/*from  w  w w  .jav a  2 s  .co m*/
        return httpClient.execute(httpGet, response -> {
            int status = response.getStatusLine().getStatusCode();
            if (!(status >= 200 && status < 300)) {
                return new AssetsPositionResponse(status, response.getStatusLine().getReasonPhrase());
            }

            List<AssetPosition> assets = new ArrayList<>();
            final JsonFactory jsonFactory = getObjectMapper().getFactory();
            final JsonParser parser = jsonFactory.createParser(response.getEntity().getContent());
            JsonToken token;
            while ((token = parser.nextToken()) != null) {
                switch (token) {
                case START_OBJECT:
                    JsonNode node = parser.readValueAsTree();
                    AssetPosition position = createAssetPosition(node);
                    assets.add(position);
                    if (assetPositionCallback != null) {
                        assetPositionCallback.execute(position);
                    }
                    break;
                }
            }
            return new AssetsPositionResponse(assets);
        });
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:org.emfjson.jackson.databind.deser.EcoreReferenceDeserializer.java

@Override
public ReferenceEntry deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    EObject parent = EMFContext.getParent(ctxt);
    EReference reference = EMFContext.getReference(ctxt);

    String id = null;/* w w w . j  a v  a2 s  .  co m*/
    String type = null;

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        final String field = jp.getCurrentName();

        if (field.equalsIgnoreCase(info.getProperty())) {
            id = jp.nextTextValue();
        } else if (field.equalsIgnoreCase(info.getTypeProperty())) {
            type = jp.nextTextValue();
        }
    }

    return id != null ? new ReferenceEntry.Base(parent, reference, id, type) : null;
}

From source file:org.apache.streams.facebook.processor.FacebookTypeConverter.java

public boolean isValidJSON(final String json) {
    boolean valid = false;
    try {/*from   w ww  .  j  ava 2s.  c om*/
        final JsonParser parser = new ObjectMapper().getJsonFactory().createJsonParser(json);
        while (parser.nextToken() != null) {
        }
        valid = true;
    } catch (JsonParseException jpe) {
        LOGGER.warn("validate: {}", jpe);
    } catch (IOException ioe) {
        LOGGER.warn("validate: {}", ioe);
    }

    return valid;
}

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.v4.TermDeserializer.java

@Override
protected Term doDeserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    final Term term = new Term();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                term.setName(jp.nextTextValue());
            } else if ("Type".equals(jp.getCurrentName())) {
                term.setType(jp.nextTextValue());
            } else if ("BaseTerm".equals(jp.getCurrentName())) {
                term.setBaseTerm(jp.nextTextValue());
            } else if ("DefaultValue".equals(jp.getCurrentName())) {
                term.setDefaultValue(jp.nextTextValue());
            } else if ("Nullable".equals(jp.getCurrentName())) {
                term.setNullable(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("MaxLength".equals(jp.getCurrentName())) {
                term.setMaxLength(jp.nextTextValue());
            } else if ("Precision".equals(jp.getCurrentName())) {
                term.setPrecision(BigInteger.valueOf(jp.nextLongValue(0L)));
            } else if ("Scale".equals(jp.getCurrentName())) {
                term.setScale(BigInteger.valueOf(jp.nextLongValue(0L)));
            } else if ("SRID".equals(jp.getCurrentName())) {
                term.setSrid(jp.nextTextValue());
            } else if ("AppliesTo".equals(jp.getCurrentName())) {
                for (String split : StringUtils.split(jp.nextTextValue())) {
                    term.getAppliesTo().add(CSDLElement.valueOf(split));
                }/*from w  ww  .ja v a  2 s.c  om*/
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                term.setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return term;
}

From source file:com.pursuer.reader.easyrss.data.parser.SubscriptionJSONParser.java

public void parse() throws JsonParseException, IOException, IllegalStateException {
    final JsonFactory factory = new JsonFactory();
    final JsonParser parser = factory.createJsonParser(input);
    Subscription sub = new Subscription();
    int level = 0;
    boolean found = false;
    while (parser.nextToken() != null) {
        final String name = parser.getCurrentName();
        switch (parser.getCurrentToken()) {
        case START_OBJECT:
        case START_ARRAY:
            level++;// www .jav a 2 s .  c  o  m
            break;
        case END_OBJECT:
        case END_ARRAY:
            level--;
            break;
        case VALUE_STRING:
            if (level == 3) {
                if ("id".equals(name)) {
                    sub.setUid(parser.getText());
                } else if ("htmlUrl".equals(name)) {
                    sub.setUrl(parser.getText());
                } else if ("title".equals(name)) {
                    sub.setTitle(Html.fromHtml(parser.getText()).toString());
                } else if ("sortid".equals(name)) {
                    sub.setSortId(parser.getText());
                } else if ("firstitemmsec".equals(name)) {
                    sub.setFirstItemMsec(Long.valueOf(parser.getText()));
                }
            } else if (level == 5 && "id".equals(name)) {
                sub.addTag(parser.getText());
            }
            break;
        case FIELD_NAME:
            if (level == 1 && "subscriptions".equals(name)) {
                found = true;
            }
            break;
        default:
        }
        if (level == 2) {
            if (sub.getUid() != null && listener != null) {
                listener.onSubscriptionRetrieved(sub);
            }
            sub = new Subscription();
        }
    }
    parser.close();
    if (!found) {
        throw new IllegalStateException("Invalid JSON input");
    }
}

From source file:com.cinnober.msgcodec.json.JsonValueHandlerTest.java

@Test
public void testFloat64DecodeNaN() throws IOException {
    JsonParser p = f.createParser("\"NaN\"");
    p.nextToken();
    assertTrue(Double.isNaN(JsonValueHandler.FLOAT64.readValue(p)));
}

From source file:com.cinnober.msgcodec.json.JsonValueHandlerTest.java

@Test
public void testFloat32DecodeNaN() throws IOException {
    JsonParser p = f.createParser("\"NaN\"");
    p.nextToken();
    assertTrue(Double.isNaN(JsonValueHandler.FLOAT32.readValue(p)));
}

From source file:uk.ac.manchester.cs.owl.semspreadsheets.repository.bioportal.BioPortalRepositoryAccessor.java

public String fetchOntologyFormat(String ontologyAcronym) {
    logger.debug("Fetching format for " + ontologyAcronym);
    BioPortalCache cache = BioPortalCache.getInstance();
    String format = cache.getFormat(ontologyAcronym);
    if (format != null) {
        if (logger.isDebugEnabled()) {
            logger.debug("The ontology format for " + ontologyAcronym + " was found in the cache as " + format);
        }/*  w ww .ja  v  a2s  .  c  o  m*/
    } else {
        logger.info("The format for " + ontologyAcronym + " not found in cache, fetching");
        try {
            URL url = new URL(BioPortalRepository.ONTOLOGY_LIST + "/" + ontologyAcronym + "/"
                    + BioPortalRepository.LATEST_SUBMISSION + "?format=json&apikey="
                    + BioPortalRepository.readAPIKey());
            logger.info("About to fetch more ontology information from " + url.toExternalForm());
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setConnectTimeout(CONNECT_TIMEOUT);
            connection.setReadTimeout(CONNECT_TIMEOUT);
            int responseCode = connection.getResponseCode();
            logger.info("BioPortal http response: " + responseCode);

            if (responseCode == 400 || responseCode == 403) {
                throw new BioPortalAccessDeniedException();
            }

            JsonParser parser = new JsonFactory().createParser(connection.getInputStream());
            while (format == null && parser.nextToken() != null) {
                String name = parser.getCurrentName();
                if ("hasOntologyLanguage".equals(name)) {
                    parser.nextToken();
                    format = parser.getText();
                }
            }
            if (format == null) {
                format = "unknown";
            }
            cache.storeFormat(ontologyAcronym, format);
        } catch (UnknownHostException e) {
            ErrorHandler.getErrorHandler().handleError(e);
        } catch (MalformedURLException e) {
            logger.error("Error with URL for BioPortal rest API", e);
        } catch (SocketTimeoutException e) {
            logger.error("Timeout connecting to BioPortal", e);
            ErrorHandler.getErrorHandler().handleError(e);
        } catch (IOException e) {
            logger.error("Error communiciating with BioPortal rest API", e);
        } catch (BioPortalAccessDeniedException e) {
            ErrorHandler.getErrorHandler().handleError(e);
        }
    }

    return format;
}