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.openmastery.publisher.config.CustomValueTypeResolver.java

private static SimpleModule createCustomMetricValueModule() {

    SimpleModule module = new SimpleModule();
    module.addSerializer(DurationInSeconds.class,
            new StdSerializer<DurationInSeconds>(DurationInSeconds.class) {
                @Override//from w  ww  .jav a2  s.c o  m
                public void serialize(DurationInSeconds value, JsonGenerator jgen, SerializerProvider provider)
                        throws IOException {
                    if (value == null) {
                        jgen.writeNull();
                    } else {
                        jgen.writeNumber(value.getDurationInSeconds());
                    }

                }
            });

    module.addSerializer(CapacityDistribution.class,
            new StdSerializer<CapacityDistribution>(CapacityDistribution.class) {
                @Override
                public void serialize(CapacityDistribution value, JsonGenerator jgen,
                        SerializerProvider provider) throws IOException {
                    if (value == null) {
                        jgen.writeNull();
                    } else {
                        jgen.writeObject(value.getCapacityDistributionByType());
                    }

                }
            });
    return module;
}

From source file:com.github.hateoas.forms.spring.uber.NullValueSerializer.java

@Override
public void serialize(UberNode.NullValue value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    jgen.writeNull();
}

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

@Override
public void serialize(DomainName value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    if (value == null) {
        jgen.writeNull();
    } else {//w  ww  .  jav  a2s. c om
        jgen.writeString(value.getStringValue());
    }
}

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

@Override
public void serialize(Object object, JsonGenerator jgen, SerializerProvider provider)
        throws JsonGenerationException, IOException {
    jgen.writeNull();
}

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

@Override
public void serialize(DateTime value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    if (value == null) {
        jgen.writeNull();
    } else {/*from   w w w. ja v  a 2 s.co m*/
        jgen.writeString(value.toString(ISODateTimeFormat.dateTimeNoMillis()));
    }
}

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

@Override
public void serialize(Status value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    if (value == null) {
        jgen.writeNull();
    } else if (value.getValue() == null) {
        jgen.writeNull();/*from  w ww.  j av  a  2  s .c o m*/
    } else {
        jgen.writeString(value.getValue().toLowerCase(Locale.ENGLISH));
    }
}

From source file:org.jongo.marshall.jackson.oid.ObjectIdSerializer.java

@Override
public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    if (value == null) {
        jgen.writeNull();
    } else if (fieldIsObjectId) {
        jgen.writeObject(value);//from  w w  w  . j  a va 2  s  .  com
    } else {
        jgen.writeObject(new ObjectId(value.toString()));
    }
}

From source file:de.metas.ui.web.window.datatypes.json.JSONNullValueSerializer.java

@Override
public void serialize(final JSONNullValue value, final JsonGenerator gen, final SerializerProvider serializers)
        throws IOException, JsonProcessingException {
    gen.writeNull();
}

From source file:fi.hsl.parkandride.front.PhoneSerializer.java

@Override
public void serialize(Phone value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException {
    if (value == null) {
        jgen.writeNull();
    } else {//from w  w  w.  j  a  v  a2  s  .  com
        jgen.writeString(value.toString());
    }
}

From source file:org.dbrain.data.jackson.serializers.JsonValueSerializer.java

/**
 * Write a value to a generator.//from   w w  w . j a  v a 2 s . c o  m
 */
public void writeValue(Value value, JsonGenerator w) throws IOException {
    if (value == null || value.isNull()) {
        w.writeNull();
    } else if (value instanceof ValueMap) {
        writeMap((ValueMap) value, w);
    } else if (value instanceof ValueList) {
        writeList((ValueList) value, w);
    } else {
        w.writeObject(value.getObject());
    }
}