Example usage for com.fasterxml.jackson.core JsonEncoding UTF8

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In this page you can find the example usage for com.fasterxml.jackson.core JsonEncoding UTF8.

Prototype

JsonEncoding UTF8

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Usage

From source file:io.airlift.jaxrs.JsonMapper.java

@Override
public void writeTo(Object value, Class<?> type, Type genericType, Annotation[] annotations,
        MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream outputStream)
        throws IOException {
    // Prevent broken browser from attempting to render the json as html
    httpHeaders.add(HttpHeaders.X_CONTENT_TYPE_OPTIONS, "nosniff");

    JsonFactory jsonFactory = objectMapper.getJsonFactory();
    jsonFactory.setCharacterEscapes(HTMLCharacterEscapes.INSTANCE);

    JsonGenerator jsonGenerator = jsonFactory.createJsonGenerator(outputStream, JsonEncoding.UTF8);

    // Important: we are NOT to close the underlying stream after
    // mapping, so we need to instruct generator:
    jsonGenerator.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);

    // Pretty print?
    if (isPrettyPrintRequested()) {
        jsonGenerator.useDefaultPrettyPrinter();
    }/*from ww w  .java2  s.c  om*/

    // 04-Mar-2010, tatu: How about type we were given? (if any)
    JavaType rootType = null;
    if (genericType != null && value != null) {
        // 10-Jan-2011, tatu: as per [JACKSON-456], it's not safe to just force root
        //    type since it prevents polymorphic type serialization. Since we really
        //    just need this for generics, let's only use generic type if it's truly
        //    generic.
        if (genericType.getClass() != Class.class) { // generic types are other implementations of 'java.lang.reflect.Type'
            // This is still not exactly right; should root type be further
            // specialized with 'value.getClass()'? Let's see how well this works before
            // trying to come up with more complete solution.
            rootType = objectMapper.getTypeFactory().constructType(genericType);
            // 26-Feb-2011, tatu: To help with [JACKSON-518], we better recognize cases where
            //    type degenerates back into "Object.class" (as is the case with plain TypeVariable,
            //    for example), and not use that.
            //
            if (rootType.getRawClass() == Object.class) {
                rootType = null;
            }
        }
    }

    String jsonpFunctionName = getJsonpFunctionName();
    if (jsonpFunctionName != null) {
        value = new JSONPObject(jsonpFunctionName, value, rootType);
        rootType = null;
    }

    ObjectWriter writer;
    if (rootType != null) {
        writer = objectMapper.writerWithType(rootType);
    } else {
        writer = objectMapper.writer();
    }

    writer.writeValue(jsonGenerator, value);

    // add a newline so when you use curl it looks nice
    outputStream.write('\n');
}

---

From source file:com.bazaarvoice.jsonpps.PrettyPrintJson.java

public void prettyPrint(List<File> inputFiles, File outputFile) throws IOException {
    JsonFactory factory = new JsonFactory();
    factory.disable(JsonFactory.Feature.INTERN_FIELD_NAMES);
    if (!strict) {
        factory.enable(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER);
        factory.enable(JsonParser.Feature.ALLOW_COMMENTS);
        factory.enable(JsonParser.Feature.ALLOW_NON_NUMERIC_NUMBERS);
        factory.enable(JsonParser.Feature.ALLOW_NUMERIC_LEADING_ZEROS);
        factory.enable(JsonParser.Feature.ALLOW_SINGLE_QUOTES);
        factory.enable(JsonParser.Feature.ALLOW_UNQUOTED_CONTROL_CHARS);
        factory.enable(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES);
    }/*www . ja v a  2 s.  c om*/

    ObjectMapper mapper = null;
    if (sortKeys) {
        mapper = new ObjectMapper(factory);
        mapper.enable(SerializationFeature.ORDER_MAP_ENTRIES_BY_KEYS);
        mapper.disable(SerializationFeature.FLUSH_AFTER_WRITE_VALUE);
    }

    // Open the output stream and create the Json emitter.
    JsonGenerator generator;
    File tempOutputFile = null;
    if (STDINOUT.equals(outputFile)) {
        generator = factory.createGenerator(stdout, JsonEncoding.UTF8);
    } else if (!caseInsensitiveContains(inputFiles, outputFile)) {
        generator = factory.createGenerator(outputFile, JsonEncoding.UTF8);
    } else {
        // Writing to an input file.. use a temp file to stage the output until we're done.
        tempOutputFile = getTemporaryFileFor(outputFile);
        generator = factory.createGenerator(tempOutputFile, JsonEncoding.UTF8);
    }
    try {
        // Separate top-level objects by a newline in the output.
        String newline = System.getProperty("line.separator");
        generator.setPrettyPrinter(new DefaultPrettyPrinter(newline));

        if (wrap) {
            generator.writeStartArray();
        }

        for (File inputFile : inputFiles) {
            JsonParser parser;
            if (STDINOUT.equals(inputFile)) {
                parser = factory.createParser(stdin);
            } else {
                parser = factory.createParser(inputFile);
            }
            try {
                while (parser.nextToken() != null) {
                    copyCurrentStructure(parser, mapper, 0, generator);
                }
            } finally {
                parser.close();
            }
        }

        if (wrap) {
            generator.writeEndArray();
        }

        generator.writeRaw(newline);
    } finally {
        generator.close();
    }
    if (tempOutputFile != null && !tempOutputFile.renameTo(outputFile)) {
        System.err.println("error: unable to rename temporary file to output: " + outputFile);
        System.exit(1);
    }
}

---

From source file:tuwien.aic.crowdsourcing.util.MappingJackson2HttpMessageConverter.java

/**
 * Determine the JSON encoding to use for the given content type.
 * /*from w w  w  . j av  a 2 s .c o m*/
 * @param contentType the media type as requested by the caller
 * @return the JSON encoding to use (never <code>null</code>)
 */
protected JsonEncoding getJsonEncoding(MediaType contentType) {
    if ((contentType != null) && (contentType.getCharSet() != null)) {
        Charset charset = contentType.getCharSet();
        for (JsonEncoding encoding : JsonEncoding.values()) {
            if (charset.name().equals(encoding.getJavaName())) {
                return encoding;
            }
        }
    }
    return JsonEncoding.UTF8;
}

---

From source file:test.com.azaptree.services.json.JsonUtilsTest.java

@Test
public void test_serialize_JSONEncoding() throws JsonGenerationException, IOException {
    final ByteArrayOutputStream bos = new ByteArrayOutputStream();
    final JsonGenerator generator = JsonUtils.createJsonGenerator(bos, JsonEncoding.UTF8);
    generator.writeStartObject();/*from  w  w  w  .ja  v a  2  s  . com*/
    generator.writeStringField("stringField", "stringFieldValue");
    generator.writeNumberField("numberField", 5);
    generator.writeEndObject();
    generator.close();

    final Map<String, Object> test = JsonUtils.parse(new ByteArrayInputStream(bos.toByteArray()));
    Assert.assertEquals(test.get("stringField"), "stringFieldValue");
    Assert.assertEquals(test.get("numberField"), 5);
}

---

From source file:com.googlecode.jmxtrans.model.output.LibratoWriter.java

private void serialize(Server server, Query query, List<Result> results, OutputStream outputStream)
        throws IOException {
    JsonGenerator g = jsonFactory.createGenerator(outputStream, JsonEncoding.UTF8);
    g.writeStartObject();/*from w w w.  j  a  v a  2s .c  om*/
    g.writeArrayFieldStart("counters");
    g.writeEndArray();

    String source = getSource(server);

    g.writeArrayFieldStart("gauges");
    List<String> typeNames = getTypeNames();
    for (Result result : results) {
        Map<String, Object> resultValues = result.getValues();
        for (Map.Entry<String, Object> values : resultValues.entrySet()) {
            if (isNumeric(values.getValue())) {
                g.writeStartObject();
                g.writeStringField("name", KeyUtils.getKeyString(query, result, values, typeNames));
                if (source != null && !source.isEmpty()) {
                    g.writeStringField("source", source);
                }
                g.writeNumberField("measure_time",
                        TimeUnit.SECONDS.convert(result.getEpoch(), TimeUnit.MILLISECONDS));
                Object value = values.getValue();
                if (value instanceof Integer) {
                    g.writeNumberField("value", (Integer) value);
                } else if (value instanceof Long) {
                    g.writeNumberField("value", (Long) value);
                } else if (value instanceof Float) {
                    g.writeNumberField("value", (Float) value);
                } else if (value instanceof Double) {
                    g.writeNumberField("value", (Double) value);
                }
                g.writeEndObject();
            }
        }
    }
    g.writeEndArray();
    g.writeEndObject();
    g.flush();
    g.close();

}

---

From source file:gov.bnl.channelfinder.ChannelsResource.java

/**
 * GET method for retrieving a collection of Channel instances,
 * based on a multi-parameter query specifiying patterns for tags, property values,
 * and channel names to match against./*  ww  w  . j  a  va2s . c  o  m*/
 *
 * @return HTTP Response
 */
@GET
@Produces({ "application/json" })
public Response query() {
    StringBuffer performance = new StringBuffer();
    long start = System.currentTimeMillis();
    long totalStart = System.currentTimeMillis();
    Client client = ElasticSearchClient.getSearchClient();
    start = System.currentTimeMillis();
    String user = securityContext.getUserPrincipal() != null ? securityContext.getUserPrincipal().getName()
            : "";
    try {
        MultivaluedMap<String, String> parameters = uriInfo.getQueryParameters();
        BoolQueryBuilder qb = boolQuery();
        int size = 10000;
        for (Entry<String, List<String>> parameter : parameters.entrySet()) {
            switch (parameter.getKey()) {
            case "~name":
                for (String value : parameter.getValue()) {
                    DisMaxQueryBuilder nameQuery = disMaxQuery();
                    for (String pattern : value.split("\\|")) {
                        nameQuery.add(wildcardQuery("name", pattern.trim()));
                    }
                    qb.must(nameQuery);
                }
                break;
            case "~tag":
                for (String value : parameter.getValue()) {
                    DisMaxQueryBuilder tagQuery = disMaxQuery();
                    for (String pattern : value.split("\\|")) {
                        tagQuery.add(wildcardQuery("tags.name", pattern.trim()));
                    }
                    qb.must(nestedQuery("tags", tagQuery));
                }
                break;
            case "~size":
                Optional<String> maxSize = parameter.getValue().stream().max((o1, o2) -> {
                    return Integer.valueOf(o1).compareTo(Integer.valueOf(o2));
                });
                if (maxSize.isPresent()) {
                    size = Integer.valueOf(maxSize.get());
                }
            default:
                DisMaxQueryBuilder propertyQuery = disMaxQuery();
                for (String value : parameter.getValue()) {
                    for (String pattern : value.split("\\|")) {
                        propertyQuery.add(nestedQuery("properties",
                                boolQuery().must(matchQuery("properties.name", parameter.getKey().trim()))
                                        .must(wildcardQuery("properties.value", pattern.trim()))));
                    }
                }
                qb.must(propertyQuery);
                break;
            }
        }

        performance.append("|prepare:" + (System.currentTimeMillis() - start));
        start = System.currentTimeMillis();
        final SearchResponse qbResult = client.prepareSearch("channelfinder").setQuery(qb).setSize(size)
                .execute().actionGet();
        performance.append(
                "|query:(" + qbResult.getHits().getTotalHits() + ")" + (System.currentTimeMillis() - start));
        start = System.currentTimeMillis();
        final ObjectMapper mapper = new ObjectMapper();
        mapper.addMixIn(XmlProperty.class, OnlyXmlProperty.class);
        mapper.addMixIn(XmlTag.class, OnlyXmlTag.class);
        start = System.currentTimeMillis();

        StreamingOutput stream = new StreamingOutput() {

            @Override
            public void write(OutputStream os) throws IOException, WebApplicationException {
                JsonGenerator jg = mapper.getFactory().createGenerator(os, JsonEncoding.UTF8);
                jg.writeStartArray();
                if (qbResult != null) {
                    for (SearchHit hit : qbResult.getHits()) {
                        jg.writeObject(mapper.readValue(hit.source(), XmlChannel.class));
                        jg.flush();
                    }
                }
                jg.writeEndArray();
                jg.flush();
                jg.close();
            }
        };

        performance.append("|parse:" + (System.currentTimeMillis() - start));
        Response r = Response.ok(stream).build();
        log.info(user + "|" + uriInfo.getPath() + "|GET|OK" + performance.toString() + "|total:"
                + (System.currentTimeMillis() - totalStart) + "|" + r.getStatus() + "|returns "
                + qbResult.getHits().getTotalHits() + " channels");
        //            log.info( qbResult.getHits().getTotalHits() + " " +(System.currentTimeMillis() - totalStart));
        return r;
    } catch (Exception e) {
        return handleException(user, "GET", Response.Status.INTERNAL_SERVER_ERROR, e);
    } finally {
    }
}

---

From source file:org.dswarm.xsd2jsonschema.model.test.JSRootTest.java

@Test
public void testOverloadedRender() throws Exception {

    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    final StringWriter writer = new StringWriter();
    File tmpFile;/*from w ww. j  a  v  a 2 s . c om*/

    final String render = obj.render();
    doRenderTest(render);

    obj.render(BaseJSTest.om, outputStream);
    doRenderTest(outputStream);
    outputStream.reset();

    obj.render(BaseJSTest.om, outputStream, JsonEncoding.UTF8);
    doRenderTest(outputStream);
    outputStream.reset();

    obj.render(BaseJSTest.om, writer);
    doRenderTest(writer);
    outputStream.reset();

    tmpFile = File.createTempFile("dmp-test", "tmp");
    obj.render(BaseJSTest.om, tmpFile, JsonEncoding.UTF8);
    doRenderTest(BaseJSTest.om.readTree(tmpFile));
    tmpFile.deleteOnExit();

    final JsonFactory factory = BaseJSTest.om.getFactory();

    obj.render(factory, outputStream);
    doRenderTest(outputStream);
    outputStream.reset();

    obj.render(factory, outputStream, JsonEncoding.UTF8);
    doRenderTest(outputStream);
    outputStream.reset();

    obj.render(factory, writer);
    doRenderTest(writer);
    outputStream.reset();

    tmpFile = File.createTempFile("dmp-test", "tmp");
    obj.render(factory, tmpFile, JsonEncoding.UTF8);
    doRenderTest(BaseJSTest.om.readTree(tmpFile));
    tmpFile.deleteOnExit();

    final JsonGenerator generator = factory.createGenerator(outputStream);
    obj.render(generator);
    generator.flush();
    doRenderTest(outputStream);
}

---

From source file:net.floodlightcontroller.configuration.ConfigurationManager.java

/**
 * Writes a configuration file based on information gathered from
 * the various configuration listeners.//from  w  w  w  . ja  va  2s . com
 * 
 * @param file An optional configuration file name.
 */
private void writeJsonToFile(String fileName) throws IOException {
    String configFile = (fileName != null) ? fileName : this.fileName;
    ObjectMapper mapper = new ObjectMapper();
    ObjectNode rootNode = createJsonRootNode();
    JsonFactory f = new JsonFactory();
    JsonGenerator g = null;

    try {
        g = f.createJsonGenerator(new File(configFile), JsonEncoding.UTF8);
        g.useDefaultPrettyPrinter();
        mapper.writeTree(g, rootNode);
    } catch (IOException e) {
        if (logger.isErrorEnabled()) {
            logger.error("Could not write the JSON configuration file.");
        }
        throw new IOException("Could not write the JSON configuration file");
    }
}

---

From source file:com.twentyn.bioreactor.sensors.Sensor.java

private void setupFiles(String sensorReadingPath) {
    String logFilename = deviceName.concat(LOG_EXTENSION);
    Path sensorReadingDirectory = Paths.get(sensorReadingPath, sensorData.getDeviceType());
    this.sensorReadingFilePath = Paths.get(sensorReadingDirectory.toString(), deviceName);
    this.sensorReadingLogFilePath = Paths.get(sensorReadingDirectory.toString(), logFilename);
    if (!Files.exists(sensorReadingDirectory)) {
        Boolean madeDir = sensorReadingDirectory.toFile().mkdirs();
        if (!madeDir) {
            LOGGER.error("The following directory could not be accessed or created: %s",
                    sensorReadingDirectory);
        }//from w  w w . j a v  a2  s. co m
    }
    try {
        this.jsonGenerator = objectMapper.getFactory()
                .createGenerator(new File(sensorReadingLogFilePath.toString()), JsonEncoding.UTF8);
        this.sensorReadingTmp = File.createTempFile(sensorReadingFilePath.toString(), ".tmp");
    } catch (IOException e) {
        LOGGER.error("Error during reading/log files creation: %s", e);
        System.exit(1);
    }
}

---

From source file:de.undercouch.bson4jackson.BsonFactory.java

@Override
public BsonGenerator createGenerator(File f, JsonEncoding enc) throws IOException {
    OutputStream out = new FileOutputStream(f);
    IOContext ctxt = _createContext(out, true);
    ctxt.setEncoding(enc);/*from   www. ja v  a2s.  c  o  m*/
    if (enc == JsonEncoding.UTF8 && _outputDecorator != null) {
        out = _outputDecorator.decorate(ctxt, out);
    }
    return createGenerator(out, enc);
}

---

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