Example usage for com.fasterxml.jackson.core JsonFactory JsonFactory

Introduction

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

Prototype

public JsonFactory() 

Source Link

Document

Default constructor used to create factory instances.

Usage

From source file:com.ethlo.geodata.importer.file.FileIpLookupImporter.java

@Override
public long importData() throws IOException {
    final Map.Entry<Date, File> ipDataFile = super.fetchResource(DataType.IP, url);
    final AtomicInteger count = new AtomicInteger(0);

    final File csvFile = ipDataFile.getValue();
    final long total = IoUtils.lineCount(csvFile);
    final ProgressListener prg = new ProgressListener(
            l -> publish(new DataLoadedEvent(this, DataType.IP, Operation.IMPORT, l, total)));

    final IpLookupImporter ipLookupImporter = new IpLookupImporter(csvFile);

    final JsonFactory f = new JsonFactory();
    f.enable(JsonGenerator.Feature.ESCAPE_NON_ASCII);
    f.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);
    final ObjectMapper mapper = new ObjectMapper(f);

    final byte newLine = (byte) "\n".charAt(0);

    logger.info("Writing IP data to file {}", getFile().getAbsolutePath());
    try (final OutputStream out = new BufferedOutputStream(new FileOutputStream(getFile()))) {
        ipLookupImporter.processFile(entry -> {
            final String strGeoNameId = findMapValue(entry, "geoname_id", "represented_country_geoname_id",
                    "registered_country_geoname_id");
            final String strGeoNameCountryId = findMapValue(entry, "represented_country_geoname_id",
                    "registered_country_geoname_id");
            final Long geonameId = strGeoNameId != null ? Long.parseLong(strGeoNameId) : null;
            final Long geonameCountryId = strGeoNameCountryId != null ? Long.parseLong(strGeoNameCountryId)
                    : null;/*from   www  .j  a v  a2s.co  m*/
            if (geonameId != null) {
                final SubnetUtils u = new SubnetUtils(entry.get("network"));
                final long lower = UnsignedInteger
                        .fromIntBits(InetAddresses
                                .coerceToInteger(InetAddresses.forString(u.getInfo().getLowAddress())))
                        .longValue();
                final long upper = UnsignedInteger
                        .fromIntBits(InetAddresses
                                .coerceToInteger(InetAddresses.forString(u.getInfo().getHighAddress())))
                        .longValue();
                final Map<String, Object> paramMap = new HashMap<>(5);
                paramMap.put("geoname_id", geonameId);
                paramMap.put("geoname_country_id", geonameCountryId);
                paramMap.put("first", lower);
                paramMap.put("last", upper);

                try {
                    mapper.writeValue(out, paramMap);
                    out.write(newLine);
                } catch (IOException exc) {
                    throw new DataAccessResourceFailureException(exc.getMessage(), exc);
                }
            }

            if (count.get() % 100_000 == 0) {
                logger.info("Processed {}", count.get());
            }

            count.getAndIncrement();

            prg.update();
        });
    }

    return total;
}

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From source file:com.joliciel.jochre.search.highlight.HighlightManagerImpl.java

@Override
public void highlight(Highlighter highlighter, Set<Integer> docIds, Set<String> fields, Writer out) {
    try {//ww w.j a v a 2s .  c o m
        Map<Integer, Set<HighlightTerm>> termMap = highlighter.highlight(docIds, fields);
        JsonFactory jsonFactory = new JsonFactory();
        JsonGenerator jsonGen = jsonFactory.createGenerator(out);

        jsonGen.writeStartObject();

        for (int docId : docIds) {
            Document doc = indexSearcher.doc(docId);
            jsonGen.writeObjectFieldStart(doc.get("id"));
            jsonGen.writeStringField("path", doc.get("path"));
            jsonGen.writeNumberField("docId", docId);

            jsonGen.writeArrayFieldStart("terms");
            for (HighlightTerm term : termMap.get(docId)) {
                fields.add(term.getField());
                term.toJson(jsonGen, df);
            }
            jsonGen.writeEndArray();

            if (includeText) {
                for (String field : fields) {
                    jsonGen.writeObjectFieldStart("field" + field);
                    Set<HighlightTerm> terms = termMap.get(docId);
                    jsonGen.writeStringField("contents", this.displayHighlights(docId, field, terms));
                    jsonGen.writeEndObject();
                }
            }

            jsonGen.writeEndObject();
        }

        jsonGen.writeEndObject();
        jsonGen.flush();
    } catch (IOException ioe) {
        LogUtils.logError(LOG, ioe);
        throw new RuntimeException(ioe);
    }
}

---

From source file:org.odlabs.wiquery.ui.autocomplete.AutocompleteComponent.java

@Override
protected void onBeforeRenderAutocomplete(Autocomplete<?> autocomplete) {
    StringWriter sw = new StringWriter();

    try {/*from ww w .  java  2 s.c o m*/
        JsonGenerator gen = new JsonFactory().createGenerator(sw);

        List<Object> json = new ArrayList<Object>();
        T defaultValue = AutocompleteComponent.this.getModelObject();
        AutocompleteJson value = null;
        Integer index = 0;

        for (T obj : AutocompleteComponent.this.list.getObject()) {
            index++;
            value = newAutocompleteJson(index, obj);
            json.add(value);

            if (obj.equals(defaultValue)) {
                autocomplete.setDefaultModelObject(value.getLabel());
                getAutocompleteHidden().setModelObject(value.getValueId());
            }
        }

        new ObjectMapper().writeValue(gen, json);

    } catch (IOException e) {
        throw new WicketRuntimeException(e);
    }

    autocomplete.getOptions().put("source", sw.toString());
}

---

From source file:cc.arduino.packages.discoverers.PluggableDiscovery.java

@Override
public void run() {
    // this method is started as a new thread, it will constantly listen
    // to the discovery tool and keep track of the discovered ports
    try {/* w w  w .j  a  va  2s.c o m*/
        start();
        InputStream input = program.getInputStream();
        JsonFactory factory = new JsonFactory();
        JsonParser parser = factory.createParser(input);
        ObjectMapper mapper = new ObjectMapper();
        mapper.setVisibility(PropertyAccessor.ALL, Visibility.NONE);
        mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);

        while (program != null && program.isAlive()) {
            JsonNode tree = mapper.readTree(parser);
            if (tree == null) {
                if (program != null && program.isAlive()) {
                    System.err.println(format("{0}: Invalid json message", discoveryName));
                }
                break;
            }
            debug("Received json: " + tree);

            processJsonNode(mapper, tree);
        }
        debug("thread exit normally");
    } catch (InterruptedException e) {
        debug("thread exit by interrupt");
        e.printStackTrace();
    } catch (Exception e) {
        debug("thread exit other exception");
        e.printStackTrace();
    }
    try {
        stop();
    } catch (Exception e) {
    }
}

---

From source file:io.apiman.manager.api.exportimport.json.JsonImportReader.java

/**
 * Constructor./*from   ww w.  j  a v a2  s .  c  o  m*/
 * @param logger the apiman logger
 * @param in the input stream
 * @throws JsonParseException
 * @throws IOException
 */
public JsonImportReader(IApimanLogger logger, InputStream in) throws IOException {
    this.logger = logger;
    this.in = in;
    jp = new JsonFactory().createParser(in);
    jp.setCodec(new ObjectMapper());
}

---

From source file:com.ryan.ryanreader.jsonwrap.JsonValue.java

/**
 * Begins parsing a JSON stream into a tree structure. The JsonValue object
 * created contains the value at the root of the tree.
 * //from   ww  w  .j a v a 2  s  .com
 * This constructor will block until the first JSON token is received. To
 * continue building the tree, the "build" method (inherited from
 * JsonBuffered) must be called in another thread.
 * 
 * @param source
 *         The source of incoming JSON data.
 * @throws java.io.IOException
 */
public JsonValue(final InputStream source) throws IOException {
    this(new JsonFactory().createParser(source));
}

---

From source file:eu.project.ttc.readers.TermSuiteJsonCasSerializer.java

public static void serialize(Writer writer, JCas jCas) throws IOException {

    JsonFactory jsonFactory = new JsonFactory();
    JsonGenerator jg = jsonFactory.createGenerator(writer);
    jg.useDefaultPrettyPrinter();/*w  w  w . ja  va2  s  . co m*/
    jg.writeStartObject();
    jg.writeFieldName(F_SDI);
    writeSDI(jg, jCas);
    jg.writeFieldName(F_WORD_ANNOTATIONS);
    writeWordAnnotations(jg, jCas);
    jg.writeFieldName(F_TERM_OCC_ANNOTATIONS);
    writeTermOccAnnotations(jg, jCas);
    jg.writeFieldName(F_FIXED_EXPRESSIONS);
    writeFixedExpressions(jg, jCas);
    writeCoveredText(jg, jCas);
    jg.writeEndObject();
    jg.flush();
    writer.close();
}

---

From source file:com.sangupta.comparator.JSONComparer.java

/**
 * Compare two JSON representations.//from w  ww  . jav a  2 s.com
 * 
 * @param stream1
 *            the first representation
 * 
 * @param stream2
 *            the second representation
 * 
 * @return <code>true</code> if the two JSON representations represent the
 *         same object, <code>false</code> otherwise.
 * 
 * @throws JsonParseException
 *             if something fails
 * 
 * @throws JsonProcessingException
 *             if something fails
 * 
 * @throws IOException
 *             if something fails
 * 
 */
public static boolean compareJson(InputStream stream1, InputStream stream2)
        throws JsonProcessingException, IOException {
    if (stream1 == null || stream2 == null) {
        return false;
    }

    if (stream1 == stream2) {
        return true;
    }

    JsonFactory factory = new JsonFactory();
    factory.enable(Feature.ALLOW_COMMENTS);

    ObjectMapper mapper = new ObjectMapper();
    JsonNode node1 = mapper.readTree(stream1);
    JsonNode node2 = mapper.readTree(stream2);

    return node1.equals(node2);
}

---

From source file:com.comcast.cdn.traffic_control.traffic_router.core.external.SteeringTest.java

License:asdf

JsonNode getJsonForResourcePath(String resourcePath) throws IOException {
    ObjectMapper objectMapper = new ObjectMapper(new JsonFactory());
    InputStream inputStream = getClass().getClassLoader().getResourceAsStream(resourcePath);

    if (inputStream == null) {
        fail("Could not find file '" + resourcePath
                + "' needed for test from the current classpath as a resource!");
    }//from w w  w  .  ja  va  2  s. c  o m

    return objectMapper.readTree(inputStream).get("response").get(0);
}

---

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//w  w w.  ja v  a 2 s .c  o  m
 * @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");
    }
}

---

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