Example usage for com.fasterxml.jackson.core JsonGenerator writeObjectFieldStart

List of usage examples for com.fasterxml.jackson.core JsonGenerator writeObjectFieldStart

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Introduction

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

Prototype

public final void writeObjectFieldStart(String fieldName) throws IOException, JsonGenerationException

Source Link

Document

Convenience method for outputting a field entry ("member") (that will contain a JSON Object value), and the START_OBJECT marker.

Usage

From source file:com.arpnetworking.logback.serialization.ArrayOfJsonSerialziationStrategy.java

/**
 * Serialize an event.//  w  w w  . j a v a 2 s .  c  o m
 *
 * @param event The event.
 * @param eventName The event name.
 * @param keys The message keys.
 * @param jsonValues The message json values.
 * @return Serialization of message as a <code>String</code>.
 */
public String serialize(final ILoggingEvent event, final String eventName, final String[] keys,
        final String[] jsonValues) {
    final StringWriter jsonWriter = new StringWriter();
    try {
        final JsonGenerator jsonGenerator = _jsonFactory.createGenerator(jsonWriter);
        // Start wrapper
        startStenoWrapper(event, eventName, jsonGenerator, _objectMapper);

        // Write event data
        jsonGenerator.writeObjectFieldStart("data");
        final int argsLength = jsonValues == null ? 0 : jsonValues.length;
        if (keys != null) {
            for (int i = 0; i < keys.length; i++) {
                if (i >= argsLength) {
                    jsonGenerator.writeObjectField(keys[i], null);
                } else {
                    jsonGenerator.writeFieldName(keys[i]);
                    jsonGenerator.writeRawValue(jsonValues[i]);
                }
            }
        }
        jsonGenerator.writeEndObject(); // End 'data' field

        // Output throwable
        writeThrowable(event.getThrowableProxy(), jsonGenerator, _objectMapper);

        // End wrapper
        endStenoWrapper(event, eventName, jsonGenerator, _objectMapper);
    } catch (final IOException e) {
        return "Unknown exception: " + e.getMessage();
    }

    return jsonWriter.toString();
}

From source file:com.arpnetworking.logback.serialization.MapSerialziationStrategy.java

/**
 * Serialize an event./*w  w  w. j  a v a 2s  .c  o  m*/
 *
 * @param event The event.
 * @param eventName The event name.
 * @param map The message key to value pairs.
 * @return Serialization of message as a <code>String</code>.
 */
public String serialize(final ILoggingEvent event, final String eventName,
        final Map<String, ? extends Object> map) {
    final StringWriter jsonWriter = new StringWriter();

    try {
        final JsonGenerator jsonGenerator = _jsonFactory.createGenerator(jsonWriter);
        // Start wrapper
        startStenoWrapper(event, eventName, jsonGenerator, _objectMapper);

        // Write event data
        jsonGenerator.writeObjectFieldStart("data");
        if (map != null) {
            for (final Map.Entry<String, ? extends Object> entry : map.entrySet()) {
                if (isSimpleType(entry.getValue())) {
                    jsonGenerator.writeObjectField(entry.getKey(), entry.getValue());
                } else {
                    jsonGenerator.writeFieldName(entry.getKey());
                    _objectMapper.writeValue(jsonGenerator, entry.getValue());
                }
            }
        }
        jsonGenerator.writeEndObject(); // End 'data' field

        // Output throwable
        writeThrowable(event.getThrowableProxy(), jsonGenerator, _objectMapper);

        // End wrapper
        endStenoWrapper(event, eventName, jsonGenerator, _objectMapper);
    } catch (final IOException e) {
        return "Unknown exception: " + e.getMessage();
    }

    return jsonWriter.toString();
}

From source file:com.boundary.zoocreeper.Backup.java

private void dumpNode(JsonGenerator jgen, String path, Stat stat, List<ACL> acls, byte[] data)
        throws IOException {
    jgen.writeObjectFieldStart(path);

    // The number of changes to the ACL of this znode.
    jgen.writeNumberField(FIELD_AVERSION, stat.getAversion());

    // The time in milliseconds from epoch when this znode was created.
    jgen.writeNumberField(FIELD_CTIME, stat.getCtime());

    // The number of changes to the children of this znode.
    jgen.writeNumberField(FIELD_CVERSION, stat.getCversion());

    // The zxid of the change that caused this znode to be created.
    jgen.writeNumberField(FIELD_CZXID, stat.getCzxid());

    // The length of the data field of this znode.
    // jgen.writeNumberField("dataLength", stat.getDataLength());

    // The session id of the owner of this znode if the znode is an ephemeral node. If it is not an ephemeral node,
    // it will be zero.
    jgen.writeNumberField(FIELD_EPHEMERAL_OWNER, stat.getEphemeralOwner());

    // The time in milliseconds from epoch when this znode was last modified.
    jgen.writeNumberField(FIELD_MTIME, stat.getMtime());

    // The zxid of the change that last modified this znode.
    jgen.writeNumberField(FIELD_MZXID, stat.getMzxid());

    // The number of children of this znode.
    jgen.writeNumberField("numChildren", stat.getNumChildren());

    // last modified children?
    jgen.writeNumberField(FIELD_PZXID, stat.getPzxid());

    // The number of changes to the data of this znode.
    jgen.writeNumberField(FIELD_VERSION, stat.getVersion());

    if (data != null) {
        jgen.writeBinaryField(FIELD_DATA, data);
    } else {//from w  w w  .  java2 s.c  o m
        jgen.writeNullField(FIELD_DATA);
    }

    jgen.writeArrayFieldStart(FIELD_ACLS);
    for (ACL acl : acls) {
        jgen.writeStartObject();
        jgen.writeStringField(FIELD_ACL_ID, acl.getId().getId());
        jgen.writeStringField(FIELD_ACL_SCHEME, acl.getId().getScheme());
        jgen.writeNumberField(FIELD_ACL_PERMS, acl.getPerms());
        jgen.writeEndObject();
    }
    jgen.writeEndArray();

    jgen.writeEndObject();
}

From source file:com.arpnetworking.logback.serialization.ArraySerialziationStrategy.java

/**
 * Serialize an event.//from w  ww . ja va  2s .  c  o m
 *
 * @param event The event.
 * @param eventName The event name.
 * @param keys The message keys.
 * @param values The message values.
 * @return Serialization of message as a <code>String</code>.
 */
public String serialize(final ILoggingEvent event, final String eventName, final String[] keys,
        final Object[] values) {

    final StringWriter jsonWriter = new StringWriter();
    try {
        final JsonGenerator jsonGenerator = _jsonFactory.createGenerator(jsonWriter);
        // Start wrapper
        startStenoWrapper(event, eventName, jsonGenerator, _objectMapper);

        // Write event data
        jsonGenerator.writeObjectFieldStart("data");
        final int argsLength = values == null ? 0 : values.length;
        if (keys != null) {
            for (int i = 0; i < keys.length; i++) {
                if (i >= argsLength) {
                    jsonGenerator.writeObjectField(keys[i], null);
                } else if (isSimpleType(values[i])) {
                    jsonGenerator.writeObjectField(keys[i], values[i]);
                } else {
                    jsonGenerator.writeFieldName(keys[i]);
                    _objectMapper.writeValue(jsonGenerator, values[i]);
                }
            }
        }
        jsonGenerator.writeEndObject(); // End 'data' field

        // Output throwable
        writeThrowable(event.getThrowableProxy(), jsonGenerator, _objectMapper);

        // End wrapper
        endStenoWrapper(event, eventName, jsonGenerator, _objectMapper);
    } catch (final IOException e) {
        return "Unknown exception: " + e.getMessage();
    }

    return jsonWriter.toString();
}

From source file:com.microsoft.azure.storage.core.EncryptionData.java

public void serialize(JsonGenerator generator) throws IOException {

    // write wrapped content key
    generator.writeObjectFieldStart(Constants.EncryptionConstants.WRAPPED_CONTENT_KEY);
    this.getWrappedContentKey().serialize(generator);
    generator.writeEndObject();//from   w w w.  j a v a 2 s .c o  m

    // write encryption agent
    generator.writeObjectFieldStart(Constants.EncryptionConstants.ENCRYPTION_AGENT);
    this.getEncryptionAgent().serialize(generator);
    generator.writeEndObject();

    // write content encryption IV
    generator.writeBinaryField(Constants.EncryptionConstants.CONTENT_ENCRYPTION_IV,
            this.getContentEncryptionIV());

    // write key wrapping metadata
    generator.writeObjectFieldStart(Constants.EncryptionConstants.KEY_WRAPPING_METADATA);
    for (String key : this.keyWrappingMetadata.keySet()) {
        generator.writeStringField(key, this.keyWrappingMetadata.get(key));
    }
    generator.writeEndObject();

}

From source file:net.logstash.logback.composite.loggingevent.CallerDataJsonProvider.java

@Override
public void writeTo(JsonGenerator generator, ILoggingEvent event) throws IOException {
    StackTraceElement callerData = extractCallerData(event);
    if (callerData == null) {
        return;/*  ww  w  . j  av a2s .c  o m*/
    }
    if (getFieldName() != null) {
        generator.writeObjectFieldStart(getFieldName());
    }
    JsonWritingUtils.writeStringField(generator, classFieldName, callerData.getClassName());
    JsonWritingUtils.writeStringField(generator, methodFieldName, callerData.getMethodName());
    JsonWritingUtils.writeStringField(generator, fileFieldName, callerData.getFileName());
    JsonWritingUtils.writeNumberField(generator, lineFieldName, callerData.getLineNumber());
    if (getFieldName() != null) {
        generator.writeEndObject();
    }
}

From source file:com.attribyte.essem.es.BooleanQuery.java

public void generate(final JsonGenerator generator) throws IOException {

    if (isEmpty()) {
        return; //Write nothing...there's no constraint.
    }//w  ww  . j a va 2s.c o  m

    generator.writeStartObject();
    {
        generator.writeObjectFieldStart("bool");
        {
            if (mustTerms.size() > 0) {
                generator.writeArrayFieldStart("must");
                for (QueryComponent query : mustTerms) {
                    query.generate(generator);
                }
                generator.writeEndArray();
            }

            if (mustNotTerms.size() > 0) {
                generator.writeArrayFieldStart("must_not");
                for (QueryComponent query : mustNotTerms) {
                    query.generate(generator);
                }
                generator.writeEndArray();
            }

            if (shouldTerms.size() > 0) {
                generator.writeArrayFieldStart("should");
                for (QueryComponent query : shouldTerms) {
                    query.generate(generator);
                }
                generator.writeEndArray();
            }
        }
        generator.writeEndObject();
    }
    generator.writeEndObject();

}

From source file:net.uncontended.precipice.reporting.registry.ToJSON.java

private void writeSlice(JsonGenerator generator, Slice<Result, Rejected> slice) throws IOException {
    generator.writeStartObject();// w ww.j  a  va2s. c  o m
    generator.writeObjectField("start-epoch", slice.startEpoch);
    generator.writeObjectField("end-epoch", slice.endEpoch);

    generator.writeObjectFieldStart("total-result-counts");
    for (Result result : slice.resultClazz.getEnumConstants()) {
        generator.writeObjectField(result.toString(), slice.totalResultCounts[result.ordinal()]);
    }
    generator.writeEndObject();

    generator.writeObjectFieldStart("result-counts");
    for (Result result : slice.resultClazz.getEnumConstants()) {
        generator.writeObjectField(result.toString(), slice.resultCounts[result.ordinal()]);
    }
    generator.writeEndObject();

    generator.writeObjectFieldStart("total-rejected-counts");
    for (Rejected result : slice.rejectedClazz.getEnumConstants()) {
        generator.writeObjectField(result.toString(), slice.totalRejectedCounts[result.ordinal()]);
    }
    generator.writeEndObject();

    generator.writeObjectFieldStart("rejected-counts");
    for (Rejected result : slice.rejectedClazz.getEnumConstants()) {
        generator.writeObjectField(result.toString(), slice.rejectedCounts[result.ordinal()]);
    }
    generator.writeEndObject();

    generator.writeEndObject();
}

From source file:com.cloudera.exhibit.server.json.ExhibitSerializer.java

@Override
public void serialize(Exhibit exhibit, JsonGenerator gen, SerializerProvider provider) throws IOException {
    ExhibitDescriptor desc = exhibit.descriptor();
    // start object
    gen.writeStartObject();//from  w w  w.  ja v  a2s.co m

    // Write attrs
    gen.writeObjectFieldStart("attrs");
    serializeObs(exhibit.attributes(), exhibit.attributes().descriptor(), gen);
    gen.writeEndObject();

    // Write frame column names
    gen.writeObjectFieldStart("columns");
    for (Map.Entry<String, ObsDescriptor> fd : desc.frames().entrySet()) {
        gen.writeArrayFieldStart(fd.getKey());
        for (ObsDescriptor.Field f : fd.getValue()) {
            // TODO: type info?
            gen.writeString(f.name);
        }
        gen.writeEndArray();
    }
    gen.writeEndObject();

    // Write frame obs
    gen.writeObjectFieldStart("frames");
    for (Map.Entry<String, ObsDescriptor> fd : desc.frames().entrySet()) {
        gen.writeArrayFieldStart(fd.getKey());
        ObsDescriptor od = fd.getValue();
        for (Obs obs : exhibit.frames().get(fd.getKey())) {
            gen.writeStartArray();
            serializeObsArray(obs, fd.getValue(), gen);
            gen.writeEndArray();
        }
        gen.writeEndArray();
    }
    gen.writeEndObject();

    // finish object
    gen.writeEndObject();
}

From source file:com.strategicgains.hyperexpress.serialization.siren.jackson.SirenResourceSerializer.java

private void writeProperties(Map<String, Object> properties, JsonGenerator jgen)
        throws JsonProcessingException, IOException {
    if (properties == null || properties.isEmpty())
        return;/*from w w  w.j a  va2s  . c om*/

    jgen.writeObjectFieldStart(PROPERTIES);

    for (Entry<String, Object> entry : properties.entrySet()) {
        jgen.writeObjectField(entry.getKey(), entry.getValue());
    }

    jgen.writeEndObject();
}