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

Introduction

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

Prototype

public abstract void writeNull() throws IOException, JsonGenerationException;

Source Link

Document

Method for outputting literal Json null value.

Usage

From source file:org.emfjson.jackson.databind.ser.EMapStringSerializer.java

@Override
public void serialize(EList<Map.Entry<String, ?>> value, JsonGenerator jg, SerializerProvider serializers)
        throws IOException {
    if (value == null || value.isEmpty()) {
        jg.writeNull();
        return;//from  w ww.  ja v a 2  s  . c o  m
    }

    jg.writeStartObject();
    for (Map.Entry<String, ?> entry : value) {
        jg.writeObjectField(entry.getKey(), entry.getValue());
    }
    jg.writeEndObject();
}

From source file:com.inversoft.json.LocaleSerializer.java

@Override
public void serialize(Locale value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    if (value == null) {
        jgen.writeNull();
    } else {/*from w  w w  .  java  2 s  . c  o m*/
        jgen.writeString(value.toString());
    }
}

From source file:com.inversoft.json.ZonedDateTimeSerializer.java

@Override
public void serialize(ZonedDateTime value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    if (value == null) {
        jgen.writeNull();
    } else {// www  .j  av a 2 s .c  om
        jgen.writeNumber(value.toInstant().toEpochMilli());
    }
}

From source file:com.googlecode.wickedcharts.highcharts.jackson.NullableSerializer.java

@SuppressWarnings("unchecked")
@Override//w  w  w  .j  a v  a 2s  . co m
public void serialize(final Nullable value, final JsonGenerator jgen, final SerializerProvider provider)
        throws IOException, JsonProcessingException {
    if (value.isNull()) {
        jgen.writeNull();
    } else {
        serializeIfNotNull((T) value, jgen, provider);
    }
}

From source file:de.fraunhofer.iosb.ilt.sta.serialize.TimeValueSerializer.java

@Override
public void serialize(TimeValue value, JsonGenerator gen, SerializerProvider serializers)
        throws IOException, JsonProcessingException {
    if (value.asISO8601() == null) {
        gen.writeNull();
    } else {// ww  w  .j a  v a2s . co  m
        gen.writeString(value.asISO8601());
    }
}

From source file:com.meltmedia.jackson.crypto.beans.Base64Serializer.java

@Override
public void serialize(String value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    if (value == null) {
        jgen.writeNull();
    } else {/*from w w  w . j a va 2s  .c om*/
        jgen.writeString(encoder.encodeToString(value.getBytes()));
    }
}

From source file:com.github.etorres.codexposed.jackson.MongoDBSafeKeySerializer.java

@Override
public void serialize(final MongoDBSafeKey value, final JsonGenerator jgen, final SerializerProvider provider)
        throws IOException, JsonProcessingException {
    if (value == null) {
        jgen.writeNull();
    } else {//  w  w w.  j  av a2s  . c  o  m
        jgen.writeFieldName(value.getKey());
    }
}

From source file:be.dnsbelgium.rdap.jackson.TextListSerializer.java

@Override
public void serialize(AbstractList.TextList value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException {
    if (value.getValues() == null || value.getValues().size() == 0) {
        jgen.writeNull();
        return;//  w ww.j  av a  2  s.c  o m
    }
    for (Text text : value.getValues()) {
        jgen.writeString(text.getStringValue());
    }
}

From source file:com.infinities.nova.util.jackson.NullStringSerializer.java

@Override
public void serialize(String value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonProcessingException {
    if (value.equals(NULL_SUBSITUTE)) {
        jgen.writeNull();
    } else {//from   w w w . j  av a2  s. c  o m
        jgen.writeString(value);
    }

}

From source file:org.bozzo.ipplan.web.json.ApiErrorSerializer.java

@Override
public void serialize(ApiError value, JsonGenerator generator, SerializerProvider serializer)
        throws IOException, JsonProcessingException {
    if (value == null) {
        generator.writeNull();
    } else {/*from w  w  w .  j  a v  a2s . c  o  m*/
        generator.writeStartObject();
        generator.writeNumberField("code", value.getCode());
        generator.writeStringField("message", value.getMessage());
        generator.writeFieldName("status");
        generator.writeStartObject();
        generator.writeNumberField("code", value.getStatus().value());
        generator.writeStringField("description", value.getStatus().getReasonPhrase());
        generator.writeEndObject();
        generator.writeEndObject();
    }
}