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.marklogic.client.functionaltest.TestBulkReadWriteWithJacksonParserHandle.java

@Test
public void testWriteMultipleJSONDocs() throws Exception {
    String docId[] = { "/a.json", "/b.json", "/c.json" };
    String json1 = new String("{\"animal\":\"dog\", \"says\":\"woof\"}");
    String json2 = new String("{\"animal\":\"cat\", \"says\":\"meow\"}");
    String json3 = new String("{\"animal\":\"rat\", \"says\":\"keek\"}");

    JsonFactory f = new JsonFactory();

    JSONDocumentManager docMgr = client.newJSONDocumentManager();
    docMgr.setMetadataCategories(Metadata.ALL);
    DocumentWriteSet writeset = docMgr.newWriteSet();

    JacksonParserHandle jacksonParserHandle1 = new JacksonParserHandle();
    JacksonParserHandle jacksonParserHandle2 = new JacksonParserHandle();
    JacksonParserHandle jacksonParserHandle3 = new JacksonParserHandle();

    jacksonParserHandle1.set(f.createParser(json1));
    jacksonParserHandle2.set(f.createParser(json2));
    jacksonParserHandle3.set(f.createParser(json3));

    writeset.add(docId[0], jacksonParserHandle1);
    writeset.add(docId[1], jacksonParserHandle2);
    writeset.add(docId[2], jacksonParserHandle3);

    docMgr.write(writeset);//from ww w . ja va2  s . com

    //Using JacksonHandle to read back from database.
    JacksonHandle jacksonhandle = new JacksonHandle();
    docMgr.read(docId[0], jacksonhandle);
    JSONAssert.assertEquals(json1, jacksonhandle.toString(), true);

    docMgr.read(docId[1], jacksonhandle);
    JSONAssert.assertEquals(json2, jacksonhandle.toString(), true);

    docMgr.read(docId[2], jacksonhandle);
    JSONAssert.assertEquals(json3, jacksonhandle.toString(), true);
    // Close handles.
    jacksonParserHandle1.close();
    jacksonParserHandle2.close();
    jacksonParserHandle3.close();
}

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From source file:com.github.lynxdb.server.api.http.handlers.EpQuery.java

private void saveResponse(OutputStream _output, List<Query> _queries) throws IOException {
    JsonFactory jFactory = new JsonFactory();
    JsonGenerator jGenerator;//from ww w. jav a  2 s. c  o  m

    jGenerator = jFactory.createGenerator(_output, JsonEncoding.UTF8);
    jGenerator.writeStartArray();

    for (Query q : _queries) {
        TimeSerie ts;

        ts = engine.query(q);

        jGenerator.writeStartObject();

        jGenerator.writeStringField("metric", q.getName());

        //tags
        jGenerator.writeObjectFieldStart("tags");
        if (q.getTags() != null) {
            for (String tagk : q.getTags().keySet()) {
                jGenerator.writeStringField(tagk, q.getTags().get(tagk));
            }
        }
        jGenerator.writeEndObject();

        //dps
        jGenerator.writeObjectFieldStart("dps");
        while (ts.hasNext()) {
            Entry e = ts.next();
            jGenerator.writeNumberField(String.valueOf(e.getTime()), e.getValue());
        }
        jGenerator.writeEndObject();

        //endQuery
        jGenerator.writeEndObject();
    }
    jGenerator.writeEndArray();
    jGenerator.close();
    _output.flush();
    _output.close();

}

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From source file:org.graylog.plugins.beats.BeatsFrameDecoder.java

/**
 * @see <a href="https://github.com/logstash-plugins/logstash-input-beats/blob/master/PROTOCOL.md#data-frame-type">'data' frame type</a>
 *///from  www .j  a  v  a2  s .co m
private ChannelBuffer[] parseDataFrame(Channel channel, ChannelBuffer channelBuffer) throws IOException {
    if (channelBuffer.readableBytes() >= 8) {
        sequenceNum = channelBuffer.readUnsignedInt();
        LOG.trace("Received sequence number {}", sequenceNum);

        final int pairs = Ints.saturatedCast(channelBuffer.readUnsignedInt());
        final JsonFactory jsonFactory = new JsonFactory();
        final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        try (final JsonGenerator jg = jsonFactory.createGenerator(outputStream)) {
            jg.writeStartObject();
            for (int i = 0; i < pairs; i++) {
                final String key = parseDataItem(channelBuffer);
                final String value = parseDataItem(channelBuffer);
                jg.writeStringField(key, value);
            }
            jg.writeEndObject();
        }

        final ChannelBuffer buffer = ChannelBuffers.wrappedBuffer(outputStream.toByteArray());
        sendACK(channel);

        return new ChannelBuffer[] { buffer };
    }

    return null;
}

---

From source file:com.infinities.skyport.util.JsonUtil.java

public static String toLegendJson(Throwable e) {
    StringWriter wtr = new StringWriter();
    try {// ww  w .  j a va  2 s  .  com
        JsonGenerator g = new JsonFactory().createGenerator(wtr);
        g.writeStartArray();
        g.writeStartObject();
        g.writeStringField("RES", "FALSE");
        g.writeStringField("REASON", e.toString());
        // g.writeStringField("REASON", Objects.firstNonNull(e.getMessage(),
        // e.toString()));
        g.writeEndObject();
        g.writeEndArray();
        g.close();
    } catch (Exception ee) {
        ArrayNode array = getObjectMapper().createArrayNode();
        ObjectNode reason = getObjectMapper().createObjectNode();
        ObjectNode status = getObjectMapper().createObjectNode();

        status.put(JsonConstants.STATUS, String.valueOf("FALSE"));
        reason.put(JsonConstants.REASON, "an unexpected error occurred");
        array.add(status).add(reason);

        // "[{\"RES\":\"FALSE\"}, {\"REASON\":\"an unexpected error occurred\"}]";
        return array.toString();
    }

    return wtr.toString();
}

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From source file:de.odysseus.staxon.json.stream.jackson.JacksonStreamSourceTest.java

@Test
public void testNumberValues() throws IOException {
    StringReader reader = new StringReader("[123,12e3,12E3,12.3,1.2e3,1.2E3]");
    JacksonStreamSource source = new JacksonStreamSource(new JsonFactory().createParser(reader));
    JsonStreamSource.Value value = null;

    Assert.assertEquals(JsonStreamToken.START_ARRAY, source.peek());
    source.startArray();/*from  ww  w  .j ava 2 s .c  o  m*/

    Assert.assertEquals(JsonStreamToken.VALUE, source.peek());
    value = source.value();
    Assert.assertEquals("123", value.text);
    Assert.assertEquals(new Long("123"), value.data);

    Assert.assertEquals(JsonStreamToken.VALUE, source.peek());
    value = source.value();
    Assert.assertEquals("12e3", value.text);
    Assert.assertEquals(new BigDecimal("12e3"), value.data);

    Assert.assertEquals(JsonStreamToken.VALUE, source.peek());
    value = source.value();
    Assert.assertEquals("12E3", value.text);
    Assert.assertEquals(new BigDecimal("12E3"), value.data);

    Assert.assertEquals(JsonStreamToken.VALUE, source.peek());
    value = source.value();
    Assert.assertEquals("12.3", value.text);
    Assert.assertEquals(new BigDecimal("12.3"), value.data);

    Assert.assertEquals(JsonStreamToken.VALUE, source.peek());
    value = source.value();
    Assert.assertEquals("1.2e3", value.text);
    Assert.assertEquals(new BigDecimal("1.2e3"), value.data);

    Assert.assertEquals(JsonStreamToken.VALUE, source.peek());
    value = source.value();
    Assert.assertEquals("1.2E3", value.text);
    Assert.assertEquals(new BigDecimal("1.2E3"), value.data);

    Assert.assertEquals(JsonStreamToken.END_ARRAY, source.peek());
    source.endArray();

    Assert.assertEquals(JsonStreamToken.NONE, source.peek());
    source.close();
}

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From source file:org.apache.olingo.server.core.serializer.json.ODataJsonSerializer.java

@Override
public SerializerResult metadataDocument(final ServiceMetadata serviceMetadata) throws SerializerException {
    OutputStream outputStream = null;
    SerializerException cachedException = null;

    try {/*w w  w  . j  av  a2  s.com*/
        CircleStreamBuffer buffer = new CircleStreamBuffer();
        outputStream = buffer.getOutputStream();
        JsonGenerator json = new JsonFactory().createGenerator(outputStream);
        new MetadataDocumentJsonSerializer(serviceMetadata).writeMetadataDocument(json);

        json.close();
        outputStream.close();
        return SerializerResultImpl.with().content(buffer.getInputStream()).build();
    } catch (final IOException e) {
        cachedException = new SerializerException(IO_EXCEPTION_TEXT, e,
                SerializerException.MessageKeys.IO_EXCEPTION);
        throw cachedException;
    } finally {
        closeCircleStreamBufferOutput(outputStream, cachedException);
    }
}

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From source file:com.apteligent.ApteligentJavaClient.java

/**
 * @param appID appId (string, optional): The app to retrieve data about,
 * @param metricType The metric to retrieve
 * @param duration can only be 1440 (24 hours) or 43200 (1 month)
 * @param groupBy TODO FILL IN THIS COMMENT
 * @return//from www  .j a v a2  s. c o  m
 */
public CrashSummary getErrorSparklines(String appID, CrashSummary.MetricType metricType, int duration,
        Sparklines.GroupBy groupBy) {

    String params = "{ \"params\": " + "{\"duration\": " + duration + "," + " \"graph\": \""
            + metricType.toString() + "\"," + " \"appId\": \"" + appID + "\"" + ",\"groupBy\": \""
            + groupBy.toString() + "\"}" + "}";

    CrashSummary crashSummary = null;
    try {
        HttpsURLConnection conn = sendPostRequest(API_ERROR_SPARKLINES, params);
        JsonFactory jsonFactory = new JsonFactory();
        JsonParser jp = jsonFactory.createParser(conn.getInputStream());
        ObjectMapper mapper = getObjectMapper();
        TreeNode node = mapper.readTree(jp);
        crashSummary = mapper.treeToValue(node.get("data"), CrashSummary.class);
        if (crashSummary != null) {
            crashSummary.setParams(appID, metricType, duration);
        }
    } catch (IOException ioex) {
        ioex.printStackTrace();
    }
    return crashSummary;
}

---

From source file:com.sdl.odata.renderer.json.writer.JsonPropertyWriterTest.java

private Map<String, Object> getMapFromJson(String json) throws IOException {
    Map<String, Object> map = new HashMap<>();
    JsonParser jsonParser = new JsonFactory().createParser(json);
    jsonParser.nextToken();//from   w  ww. j av  a 2 s  . co m
    while (jsonParser.nextToken() != null) {
        String key = jsonParser.getText();
        jsonParser.nextToken();
        if (jsonParser.getCurrentToken() == JsonToken.START_ARRAY) {
            map.put(key, getJsonArray(jsonParser));
        } else {
            map.put(key, jsonParser.getText());
        }
    }
    return map;
}

---

From source file:com.kaloer.yummly.Yummly.java

/**
 * Requests information about a recipe with the given id.
 * /*from   ww  w .  jav  a 2s.c  o m*/
 * @param recipeId
 *            The id of the recipe.
 * @return The requested recipe.
 * @throws IOException
 *             Thrown if network errors or parsing errors occur.
 */
public Recipe getRecipe(String recipeId) throws IOException {

    // Perform recipe request.
    InputStream in = performRequest(String.format("recipe/%s", URLEncoder.encode(recipeId, "utf8")), null);
    // Parse json.
    JsonFactory factory = new JsonFactory();
    ObjectMapper mapper = new ObjectMapper(factory);

    Recipe result = mapper.readValue(in, Recipe.class);

    in.close();

    return result;
}

---

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