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:io.progix.dropwizard.patch.explicit.PatchInstructionDeserializer.java

/**
 * This method is responsible for deserialization of a {@link PatchInstruction}
 * <p/>//  w  w w.  j  a  v a 2  s.  c o  m
 * The value in a patch instruction is mapped to a TreeMap and can be later converted to a class of choice using
 * {@link JsonPatchValue}
 *
 * @see JsonDeserializer
 */
@Override
public PatchInstruction deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    untypedObjectDeserializer.resolve(ctxt);

    JsonNode node = jp.getCodec().readTree(jp);

    PatchOperation operation = PatchOperation.valueOf(node.get("op").asText().toUpperCase());

    String path = node.get("path").asText();

    String from = null;
    JsonNode fromNode = node.get("from");
    if (fromNode != null) {
        from = fromNode.asText();
    }

    List<Object> values = null;
    JsonNode valueNode = node.get("value");
    if (valueNode != null) {
        values = new ArrayList<>();
        if (valueNode.isArray()) {
            Iterator<JsonNode> iterator = valueNode.elements();
            while (iterator.hasNext()) {
                JsonNode elementNode = iterator.next();
                JsonParser p = elementNode.traverse();
                if (!p.hasCurrentToken()) {
                    p.nextToken();
                }
                Object element = untypedObjectDeserializer.deserialize(p, ctxt);
                values.add(element);
            }
        } else {
            JsonParser p = valueNode.traverse();
            if (!p.hasCurrentToken()) {
                p.nextToken();
            }
            Object value = untypedObjectDeserializer.deserialize(p, ctxt);
            values.add(value);
        }
    }

    return new PatchInstruction(operation, path, values, from);
}

From source file:org.o3project.ocnrm.odenos.linklayerizer.LinkLayerizerBoundarySet.java

public Map<String, LinklayerizerBoundary> changeJSONBoundariesToBoundaries(String jsonBoundary, String seqNo) {

    logger.info(seqNo + "\t" + "changeJSONBoundariestoBoundaries Start");

    linklayerizerBoundaryMap = new HashMap<String, LinklayerizerBoundary>();
    try {//from   w w w .j a v a  2 s  .co  m
        JsonFactory factory = new JsonFactory();
        JsonParser jp = factory.createParser(jsonBoundary);
        jp.nextToken();
        while (jp.nextToken() != JsonToken.END_OBJECT) {
            String mapKey = jp.getCurrentName();
            LinklayerizerBoundary llb = new LinklayerizerBoundary();
            jp.nextToken();
            while (jp.nextToken() != JsonToken.END_OBJECT) {
                String fieldname = jp.getCurrentName();
                jp.nextToken();
                if ("boundary_id".equals(fieldname)) {
                    llb.setBoundary_id(jp.getText());
                } else if ("lower_nw".equals(fieldname)) {
                    llb.setLower_nw(jp.getText());
                } else if ("lower_nw_node".equals(fieldname)) {
                    llb.setLower_nw_node(jp.getText());
                } else if ("lower_nw_port".equals(fieldname)) {
                    llb.setLower_nw_port(jp.getText());
                } else if ("upper_nw".equals(fieldname)) {
                    llb.setUpper_nw(jp.getText());
                } else if ("upper_nw_node".equals(fieldname)) {
                    llb.setUpper_nw_node(jp.getText());
                } else if ("upper_nw_port".equals(fieldname)) {
                    llb.setUpper_nw_port(jp.getText());
                } else if ("type".equals(fieldname)) {
                    continue;
                } else {
                    throw new IllegalStateException(seqNo + "\t" + "Unrecognized field '" + fieldname + "'!");
                }
            }
            linklayerizerBoundaryMap.put(mapKey, llb);
        }
        jp.close();
    } catch (JsonParseException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    logger.info(seqNo + "\t" + "changeJSONBoundariestoBoundaries End");
    return linklayerizerBoundaryMap;
}

From source file:com.adobe.communities.ugc.migration.importer.SocialGraphImportServlet.java

/**
 * The post operation accepts a json file, parses it and applies the social graph relationships to local profiles
 * @param request - the request//from  w  ww  .  j a v  a 2  s  .com
 * @param response - the response
 * @throws javax.servlet.ServletException
 * @throws java.io.IOException
 */
protected void doPost(final SlingHttpServletRequest request, final SlingHttpServletResponse response)
        throws ServletException, IOException {

    final ResourceResolver resolver = request.getResourceResolver();

    UGCImportHelper.checkUserPrivileges(resolver, rrf);

    final RequestParameter[] fileRequestParameters = request.getRequestParameters("file");
    if (fileRequestParameters != null && fileRequestParameters.length > 0
            && !fileRequestParameters[0].isFormField()
            && fileRequestParameters[0].getFileName().endsWith(".json")) {
        final InputStream inputStream = fileRequestParameters[0].getInputStream();
        final JsonParser jsonParser = new JsonFactory().createParser(inputStream);
        JsonToken token = jsonParser.nextToken(); // get the first token
        if (token.equals(JsonToken.START_OBJECT)) {
            importFile(jsonParser, request);
        } else {
            throw new ServletException("Expected a start object token, got " + token);
        }
    } else {
        throw new ServletException("Expected to get a json file in post request");
    }
}

From source file:com.unboundid.scim2.server.providers.DotSearchFilter.java

/**
 * {@inheritDoc}//from w w w. ja v  a2 s .  c o m
 */
public void filter(final ContainerRequestContext requestContext) throws IOException {
    if (requestContext.getMethod().equals(HttpMethod.POST)
            && requestContext.getUriInfo().getPath().endsWith(SEARCH_WITH_POST_PATH_EXTENSION))

    {
        if (requestContext.getMediaType() == null
                || !(requestContext.getMediaType().isCompatible(ServerUtils.MEDIA_TYPE_SCIM_TYPE)
                        || requestContext.getMediaType().isCompatible(MediaType.APPLICATION_JSON_TYPE))) {
            throw new NotSupportedException();
        }

        ObjectReader reader = JsonUtils.getObjectReader().forType(SearchRequest.class);
        JsonParser p = reader.getFactory().createParser(requestContext.getEntityStream());
        if (p.nextToken() == null) {
            throw new BadRequestException(new NoContentException("Empty Entity"));
        }
        SearchRequest searchRequest = reader.readValue(p);
        UriBuilder builder = requestContext.getUriInfo().getBaseUriBuilder();
        List<PathSegment> pathSegments = requestContext.getUriInfo().getPathSegments();
        for (int i = 0; i < pathSegments.size() - 1; i++) {
            builder.path(pathSegments.get(i).getPath());
        }
        if (searchRequest.getAttributes() != null) {
            builder.queryParam(QUERY_PARAMETER_ATTRIBUTES,
                    StaticUtils.collectionToString(searchRequest.getAttributes(), ","));
        }
        if (searchRequest.getExcludedAttributes() != null) {
            builder.queryParam(QUERY_PARAMETER_EXCLUDED_ATTRIBUTES,
                    StaticUtils.collectionToString(searchRequest.getExcludedAttributes(), ","));
        }
        if (searchRequest.getFilter() != null) {
            builder.queryParam(QUERY_PARAMETER_FILTER, searchRequest.getFilter());
        }
        if (searchRequest.getSortBy() != null) {
            builder.queryParam(QUERY_PARAMETER_SORT_BY, searchRequest.getSortBy());
        }
        if (searchRequest.getSortOrder() != null) {
            builder.queryParam(QUERY_PARAMETER_SORT_ORDER, searchRequest.getSortOrder().getName());
        }
        if (searchRequest.getStartIndex() != null) {
            builder.queryParam(QUERY_PARAMETER_PAGE_START_INDEX, searchRequest.getStartIndex());
        }
        if (searchRequest.getCount() != null) {
            builder.queryParam(QUERY_PARAMETER_PAGE_SIZE, searchRequest.getCount());
        }
        requestContext.setRequestUri(builder.build());
        requestContext.setMethod(HttpMethod.GET);
    }
}

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

private void assertNextField(String expFieldName, JsonParser p) throws IOException {
    assertEquals(JsonToken.FIELD_NAME, p.nextToken());
    assertEquals(expFieldName, p.getText());
}

From source file:com.netflix.aegisthus.tools.AegisthusSerializer.java

public Map<String, Object> deserialize(String data) throws IOException {
    try {//from   w ww  .  jav a  2 s  .com
        Map<String, Object> map = new LinkedHashMap<String, Object>();
        JsonParser jp = jsonFactory.createJsonParser(data);
        jp.nextToken(); // Object
        jp.nextToken(); // key
        map.put(KEY, new DataByteArray(jp.getCurrentName().getBytes()));
        jp.nextToken(); // object
        while (jp.nextToken() != JsonToken.END_OBJECT) {
            String field = jp.getCurrentName();
            if (DELETEDAT.equals(field.toUpperCase())) {
                jp.nextToken();
                map.put(DELETEDAT, jp.getLongValue());
            } else {
                jp.nextToken();
                while (jp.nextToken() != JsonToken.END_ARRAY) {
                    List<Object> cols = new ArrayList<Object>();
                    jp.nextToken();
                    String name = jp.getText();
                    cols.add(name);
                    jp.nextToken();
                    cols.add(new DataByteArray(jp.getText().getBytes()));
                    jp.nextToken();
                    cols.add(jp.getLongValue());
                    if (jp.nextToken() != JsonToken.END_ARRAY) {
                        String status = jp.getText();
                        cols.add(status);
                        if ("e".equals(status)) {
                            jp.nextToken();
                            cols.add(jp.getLongValue());
                            jp.nextToken();
                            cols.add(jp.getLongValue());
                        } else if ("c".equals(status)) {
                            jp.nextToken();
                            cols.add(jp.getLongValue());
                        }
                        jp.nextToken();
                    }
                    map.put(name, cols);
                }
            }
        }

        return map;
    } catch (IOException e) {
        LOG.error(data);
        throw e;
    }
}

From source file:net.troja.eve.crest.CrestDataProcessor.java

private <T> String processData(final CrestApiProcessor<T> processor, final CrestContainer<T> container,
        final String data) {
    String next = null;//from w w w .  ja  va  2s. c o m
    try {
        final JsonFactory parserFactory = new JsonFactory();
        final JsonParser jsonParser = parserFactory.createParser(data);
        jsonParser.nextToken();
        while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
            final String fieldname = jsonParser.getCurrentName();
            jsonParser.nextToken();
            switch (fieldname) {
            case "totalCount":
                container.setTotalCount(jsonParser.getIntValue());
                break;
            case "pageCount":
                container.setPageCount(jsonParser.getIntValue());
                break;
            case "items":
                processItems(processor, container, jsonParser);
                break;
            case "next":
                next = processNext(jsonParser);
                break;
            default:
                break;
            }
        }
    } catch (final IOException e) {
        if (LOGGER.isWarnEnabled()) {
            LOGGER.warn("Problems while parsing json data: " + e.getMessage(), e);
        }
    }
    return next;
}

From source file:org.labkey.freezerpro.export.FreezerProCommandResonse.java

/**
 * Position the parser to the start of the data array object
 * @param parser//  w w w .ja  va 2 s  .  c o  m
 * @param dataNodeName
 * @return
 * @throws IOException
 */
protected boolean ensureDataNode(JsonParser parser, String dataNodeName) throws IOException {
    JsonToken token = parser.nextToken();
    //JsonUtil.expectObjectStart(parser);
    while (token != JsonToken.END_OBJECT) {
        token = parser.nextToken();
        if (token == JsonToken.FIELD_NAME) {
            String fieldName = parser.getCurrentName();
            if (dataNodeName.equals(fieldName)) {
                parser.nextToken();
                return true;
            } else if (TOTAL_FIELD_NAME.equalsIgnoreCase(fieldName)) {
                JsonToken totalToken = parser.nextToken();
                if (totalToken == JsonToken.VALUE_NUMBER_INT) {
                    _totalRecords = parser.readValueAs(Integer.class);
                }
            }
        }
    }
    return false;
}

From source file:org.killbill.billing.plugin.meter.timeline.persistent.Replayer.java

@VisibleForTesting
public void read(final File file, final Function<SourceSamplesForTimestamp, Void> fn) throws IOException {
    final JsonParser smileParser = smileFactory.createJsonParser(file);
    if (smileParser.nextToken() != JsonToken.START_ARRAY) {
        return;//from w  w  w  .ja  va 2 s .c o m
    }

    while (!shuttingDown.get() && smileParser.nextToken() != JsonToken.END_ARRAY) {
        final SourceSamplesForTimestamp sourceSamplesForTimestamp = smileParser
                .readValueAs(SourceSamplesForTimestamp.class);
        fn.apply(sourceSamplesForTimestamp);
    }

    smileParser.close();
}

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

private void assertNextIntValue(int exp, JsonParser p) throws IOException {
    assertEquals(JsonToken.VALUE_NUMBER_INT, p.nextToken());
    assertEquals(exp, p.getIntValue());/*from  w w w.  j  a  v  a  2s  . co  m*/
}