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

Introduction

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

Prototype

public abstract void writeBoolean(boolean state) throws IOException, JsonGenerationException;

Source Link

Document

Method for outputting literal Json boolean value (one of Strings 'true' and 'false').

Usage

From source file:io.pdef.json.JsonJacksonFormat.java

private <T> void write(final T object, final DataTypeDescriptor<T> descriptor, final JsonGenerator generator)
        throws IOException {
    if (object == null) {
        generator.writeNull();// www  .j ava  2 s.  co  m
        return;
    }

    switch (descriptor.getType()) {
    case BOOL:
        generator.writeBoolean((Boolean) object);
        break;
    case INT16:
        generator.writeNumber((Short) object);
        break;
    case INT32:
        generator.writeNumber((Integer) object);
        break;
    case INT64:
        generator.writeNumber((Long) object);
        break;
    case FLOAT:
        generator.writeNumber((Float) object);
        break;
    case DOUBLE:
        generator.writeNumber((Double) object);
        break;
    case STRING:
        generator.writeString((String) object);
        break;
    case DATETIME:
        writeDatetime((Date) object, generator);
        break;
    case LIST:
        writeList((List) object, (ListDescriptor) descriptor, generator);
        break;
    case SET:
        writeSet((Set) object, (SetDescriptor) descriptor, generator);
        break;
    case MAP:
        writeMap((Map) object, (MapDescriptor) descriptor, generator);
        break;
    case VOID:
        generator.writeNull();
        break;
    case ENUM:
        writeEnum((Enum) object, generator);
        break;
    case MESSAGE:
        writeMessage((Message) object, generator);
        break;
    default:
        throw new JsonFormatException("Unsupported descriptor " + descriptor);
    }
}

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From source file:com.cedarsoft.serialization.jackson.ListSerializer.java

protected void serializeElement(@Nonnull JsonGenerator serializeTo, @Nullable Object element, int index)
        throws IOException {
    if (element == null) {
        serializeTo.writeNull();//w  ww  .ja va 2  s.c o m
    } else if (element instanceof Integer) {
        serializeTo.writeNumber((Integer) element);
    } else if (element instanceof Float) {
        serializeTo.writeNumber((Float) element);
    } else if (element instanceof Double) {
        serializeTo.writeNumber((Double) element);
    } else if (element instanceof Long) {
        serializeTo.writeNumber((Long) element);
    } else if (element instanceof Boolean) {
        serializeTo.writeBoolean((Boolean) element);
    } else {
        serializeTo.writeString(String.valueOf(element));
    }
}

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From source file:de.escalon.hypermedia.spring.de.escalon.hypermedia.spring.jackson.LinkListSerializer.java

private void writeScalarValue(JsonGenerator jgen, Object possibleValue, Class<?> valueType) throws IOException {
    if (Number.class.isAssignableFrom(valueType)) {
        jgen.writeNumber(possibleValue.toString());
    } else if (Boolean.class.isAssignableFrom(valueType)) {
        jgen.writeBoolean((Boolean) possibleValue);
    } else if (Enum.class.isAssignableFrom(valueType)) {
        jgen.writeString(((Enum) possibleValue).name());
    } else {// w w  w.  ja v a2  s  .  co m
        jgen.writeString(possibleValue.toString());
    }
}

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

@Override
public void serialize(final Crosshair value, final JsonGenerator jgen, final SerializerProvider provider)
        throws IOException, JsonProcessingException {

    if (value.getColor() != null || value.getDashStyle() != null || value.getWidth() != null
            || value.getzIndex() != null) {
        jgen.writeStartObject();/*from w w  w  .  j a  v a2s.c om*/
        if (value.getColor() != null) {
            jgen.writeObjectField("color", value.getColor());
        }
        if (value.getDashStyle() != null) {
            jgen.writeObjectField("dashStyle", value.getDashStyle());
        }
        if (value.getWidth() != null) {
            jgen.writeObjectField("width", value.getWidth());
        }
        if (value.getzIndex() != null) {
            jgen.writeObjectField("zIndex", value.getzIndex());
        }
        jgen.writeEndObject();
    } else {
        // if no attributes are given, simply render true
        jgen.writeBoolean(true);
    }

}

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From source file:io.swagger.inflector.processors.JsonNodeExampleSerializer.java

public void writeValue(JsonGenerator jgen, String field, Example o) throws IOException {
    if (o instanceof ArrayExample) {
        ArrayExample obj = (ArrayExample) o;
        jgen.writeArrayFieldStart(field);
        for (Example item : obj.getItems()) {
            if (item.getName() != null) {
                jgen.writeStartObject();
                writeTo(jgen, item);/*from   www  .ja va  2s.  c  om*/
                jgen.writeEndObject();
            } else {
                writeTo(jgen, item);
            }
        }
        jgen.writeEndArray();
    } else if (o instanceof BooleanExample) {
        BooleanExample obj = (BooleanExample) o;
        if (field != null) {
            jgen.writeBooleanField(field, obj.getValue());
        } else {
            jgen.writeBoolean(obj.getValue());
        }
    } else if (o instanceof DecimalExample) {
        DecimalExample obj = (DecimalExample) o;
        if (field != null) {
            jgen.writeNumberField(field, obj.getValue());
        } else {
            jgen.writeNumber(obj.getValue());
        }
    } else if (o instanceof DoubleExample) {
        DoubleExample obj = (DoubleExample) o;
        if (field != null) {
            jgen.writeNumberField(field, obj.getValue());
        } else {
            jgen.writeNumber(obj.getValue());
        }
    } else if (o instanceof FloatExample) {
        FloatExample obj = (FloatExample) o;
        if (field != null) {
            jgen.writeNumberField(field, obj.getValue());
        } else {
            jgen.writeNumber(obj.getValue());
        }
    } else if (o instanceof IntegerExample) {
        IntegerExample obj = (IntegerExample) o;
        if (field != null) {
            jgen.writeNumberField(field, obj.getValue());
        } else {
            jgen.writeNumber(obj.getValue());
        }
    } else if (o instanceof LongExample) {
        LongExample obj = (LongExample) o;
        if (field != null) {
            jgen.writeNumberField(field, obj.getValue());
        } else {
            jgen.writeNumber(obj.getValue());
        }
    } else if (o instanceof ObjectExample) {
        ObjectExample obj = (ObjectExample) o;
        if (field != null) {
            jgen.writeObjectField(field, obj);
        }
    } else if (o instanceof StringExample) {
        StringExample obj = (StringExample) o;
        if (field != null) {
            jgen.writeStringField(field, obj.getValue());
        } else {
            jgen.writeString(obj.getValue());
        }
    }
}

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From source file:ninja.leaping.configurate.json.JSONConfigurationLoader.java

private void generateValue(JsonGenerator generator, ConfigurationNode node) throws IOException {
    if (node.hasMapChildren()) {
        generateObject(generator, node);
    } else if (node.hasListChildren()) {
        generateArray(generator, node);/*from   ww w. j  av  a2s .  c o  m*/
    } else {
        Object value = node.getValue();
        if (value instanceof Double) {
            generator.writeNumber((Double) value);
        } else if (value instanceof Float) {
            generator.writeNumber((Float) value);
        } else if (value instanceof Long) {
            generator.writeNumber((Long) value);
        } else if (value instanceof Integer) {
            generator.writeNumber((Integer) value);
        } else if (value instanceof Boolean) {
            generator.writeBoolean((Boolean) value);
        } else if (value instanceof byte[]) {
            generator.writeBinary((byte[]) value);
        } else {
            generator.writeString(value.toString());
        }
    }
}

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From source file:com.streamsets.datacollector.http.JMXJsonServlet.java

private void writeObject(JsonGenerator jg, Object value) throws IOException {
    if (value == null) {
        jg.writeNull();/*from  w  w w.  j  ava  2  s.c o  m*/
    } else {
        Class<?> c = value.getClass();
        if (c.isArray()) {
            jg.writeStartArray();
            int len = Array.getLength(value);
            for (int j = 0; j < len; j++) {
                Object item = Array.get(value, j);
                writeObject(jg, item);
            }
            jg.writeEndArray();
        } else if (value instanceof Number) {
            Number n = (Number) value;
            jg.writeNumber(n.toString());
        } else if (value instanceof Boolean) {
            Boolean b = (Boolean) value;
            jg.writeBoolean(b);
        } else if (value instanceof CompositeData) {
            CompositeData cds = (CompositeData) value;
            CompositeType comp = cds.getCompositeType();
            Set<String> keys = comp.keySet();
            jg.writeStartObject();
            for (String key : keys) {
                writeAttribute(jg, key, cds.get(key));
            }
            jg.writeEndObject();
        } else if (value instanceof TabularData) {
            TabularData tds = (TabularData) value;
            jg.writeStartArray();
            for (Object entry : tds.values()) {
                writeObject(jg, entry);
            }
            jg.writeEndArray();
        } else if (value instanceof GaugeValue) {
            ((GaugeValue) value).serialize(jg);
        } else {
            jg.writeString(value.toString());
        }
    }
}

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From source file:com.streamsets.datacollector.bundles.content.SdcInfoContentGenerator.java

private void writeObject(JsonGenerator jg, Object value) throws IOException {
    if (value == null) {
        jg.writeNull();//from   w w w  .  ja  va2s.c  o  m
    } else {
        Class<?> c = value.getClass();
        if (c.isArray()) {
            jg.writeStartArray();
            int len = Array.getLength(value);
            for (int j = 0; j < len; j++) {
                Object item = Array.get(value, j);
                writeObject(jg, item);
            }
            jg.writeEndArray();
        } else if (value instanceof Number) {
            Number n = (Number) value;
            if (value instanceof Double && (((Double) value).isInfinite() || ((Double) value).isNaN())) {
                jg.writeString(n.toString());
            } else {
                jg.writeNumber(n.toString());
            }
        } else if (value instanceof Boolean) {
            Boolean b = (Boolean) value;
            jg.writeBoolean(b);
        } else if (value instanceof CompositeData) {
            CompositeData cds = (CompositeData) value;
            CompositeType comp = cds.getCompositeType();
            Set<String> keys = comp.keySet();
            jg.writeStartObject();
            for (String key : keys) {
                writeAttribute(jg, key, cds.get(key));
            }
            jg.writeEndObject();
        } else if (value instanceof TabularData) {
            TabularData tds = (TabularData) value;
            jg.writeStartArray();
            for (Object entry : tds.values()) {
                writeObject(jg, entry);
            }
            jg.writeEndArray();
        } else if (value instanceof GaugeValue) {
            ((GaugeValue) value).serialize(jg);
        } else {
            jg.writeString(value.toString());
        }
    }
}

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From source file:org.apache.airavata.db.AbstractThriftSerializer.java

@Override
public void serialize(final T value, final JsonGenerator jgen, final SerializerProvider provider)
        throws IOException {
    jgen.writeStartObject();//from   w  ww  .  java2 s  .  co  m
    for (final E field : getFieldValues()) {
        if (value.isSet(field)) {
            final Object fieldValue = value.getFieldValue(field);
            if (fieldValue != null) {
                log.debug("Adding field {} to the JSON string...",
                        CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));

                jgen.writeFieldName(CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
                if (fieldValue instanceof Short) {
                    jgen.writeNumber((Short) fieldValue);
                } else if (fieldValue instanceof Integer) {
                    jgen.writeNumber((Integer) fieldValue);
                } else if (fieldValue instanceof Long) {
                    jgen.writeNumber((Long) fieldValue);
                } else if (fieldValue instanceof Double) {
                    jgen.writeNumber((Double) fieldValue);
                } else if (fieldValue instanceof Float) {
                    jgen.writeNumber((Float) fieldValue);
                } else if (fieldValue instanceof Boolean) {
                    jgen.writeBoolean((Boolean) fieldValue);
                } else if (fieldValue instanceof String) {
                    jgen.writeString(fieldValue.toString());
                } else if (fieldValue instanceof Collection) {
                    log.debug("Array opened for field {}.",
                            CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
                    jgen.writeStartArray();
                    for (final Object arrayObject : (Collection<?>) fieldValue) {
                        jgen.writeObject(arrayObject);
                    }
                    jgen.writeEndArray();
                    log.debug("Array closed for field {}.",
                            CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
                } else {
                    jgen.writeObject(fieldValue);
                }
            } else {
                log.debug("Skipping converting field {} to JSON:  value is null!",
                        CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
            }
        } else {
            log.debug("Skipping converting field {} to JSON:  field has not been set!",
                    CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_CAMEL, field.getFieldName()));
        }
    }
    jgen.writeEndObject();
}

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From source file:net.solarnetwork.web.support.JSONView.java

private void writeJsonValue(JsonGenerator json, String key, Object val, PropertyEditorRegistrar registrar)
        throws JsonGenerationException, IOException {
    if (val instanceof Collection<?> || (val != null && val.getClass().isArray())) {
        Collection<?> col;/*from  ww  w .ja  va  2s.  c o  m*/
        if (val instanceof Collection<?>) {
            col = (Collection<?>) val;
        } else if (!val.getClass().getComponentType().isPrimitive()) {
            col = Arrays.asList((Object[]) val);
        } else {
            // damn you, primitives
            col = getPrimitiveCollection(val);
        }
        if (key != null) {
            json.writeFieldName(key);
        }
        json.writeStartArray();
        for (Object colObj : col) {
            writeJsonValue(json, null, colObj, registrar);
        }

        json.writeEndArray();
    } else if (val instanceof Map<?, ?>) {
        if (key != null) {
            json.writeFieldName(key);
        }
        json.writeStartObject();
        for (Map.Entry<?, ?> me : ((Map<?, ?>) val).entrySet()) {
            Object propName = me.getKey();
            if (propName == null) {
                continue;
            }
            writeJsonValue(json, propName.toString(), me.getValue(), registrar);
        }
        json.writeEndObject();
    } else if (val instanceof Double) {
        if (key == null) {
            json.writeNumber((Double) val);
        } else {
            json.writeNumberField(key, (Double) val);
        }
    } else if (val instanceof Integer) {
        if (key == null) {
            json.writeNumber((Integer) val);
        } else {
            json.writeNumberField(key, (Integer) val);
        }
    } else if (val instanceof Short) {
        if (key == null) {
            json.writeNumber(((Short) val).intValue());
        } else {
            json.writeNumberField(key, ((Short) val).intValue());
        }
    } else if (val instanceof Float) {
        if (key == null) {
            json.writeNumber((Float) val);
        } else {
            json.writeNumberField(key, (Float) val);
        }
    } else if (val instanceof Long) {
        if (key == null) {
            json.writeNumber((Long) val);
        } else {
            json.writeNumberField(key, (Long) val);
        }
    } else if (val instanceof Boolean) {
        if (key == null) {
            json.writeBoolean((Boolean) val);
        } else {
            json.writeBooleanField(key, (Boolean) val);
        }
    } else if (val instanceof String) {
        if (key == null) {
            json.writeString((String) val);
        } else {
            json.writeStringField(key, (String) val);
        }
    } else {
        // create a JSON object from bean properties
        if (getPropertySerializerRegistrar() != null && val != null) {
            // try whole-bean serialization first
            Object o = getPropertySerializerRegistrar().serializeProperty(key, val.getClass(), val, val);
            if (o != val) {
                if (o != null) {
                    writeJsonValue(json, key, o, registrar);
                }
                return;
            }
        }
        generateJavaBeanObject(json, key, val, registrar);
    }
}

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