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Java JsonGenerator.writeNull方法代碼示例

本文整理匯總了Java中org.codehaus.jackson.JsonGenerator.writeNull方法的典型用法代碼示例。如果您正苦於以下問題：Java JsonGenerator.writeNull方法的具體用法？Java JsonGenerator.writeNull怎麽用？Java JsonGenerator.writeNull使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.codehaus.jackson.JsonGenerator的用法示例。


在下文中一共展示了JsonGenerator.writeNull方法的11個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: writeObject

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
private void writeObject(JsonGenerator jg, Object value) throws IOException {
  if(value == null) {
    jg.writeNull();
  } 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 {
      jg.writeString(value.toString());
    }
  }
}
開發者ID:nucypher，項目名稱:hadoop-oss，代碼行數:41，代碼來源:JMXJsonServlet.java

示例2: serialize

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
@Override
public void serialize(
        final Interval interval,
        final JsonGenerator jgen,
        final SerializerProvider provider) throws IOException, JsonProcessingException
{
    if (interval == null)
    {
        jgen.writeNull();
        return;
    }

    jgen.writeString(interval.getStartMillis() + "-" + interval.getEndMillis());
}
開發者ID:NovaOrdis，項目名稱:playground，代碼行數:15，代碼來源:IntervalSerializer.java

示例3: serialize

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
@Override
public void serialize(
        final Instant dateTime,
        final JsonGenerator jgen,
        final SerializerProvider provider) throws IOException, JsonProcessingException
{
    if (dateTime == null)
    {
        jgen.writeNull();
        return;
    }

    final DateTimeFormatter formatter = ISODateTimeFormat.dateTime();
    jgen.writeString(dateTime.toString(formatter));
}
開發者ID:NovaOrdis，項目名稱:playground，代碼行數:16，代碼來源:InstantSerializer.java

示例4: serialize

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
@Override
public void serialize(
        final Duration duration,
        final JsonGenerator jgen,
        final SerializerProvider provider) throws IOException, JsonProcessingException
{
    if (duration == null)
    {
        jgen.writeNull();
        return;
    }

    final PeriodFormatter formatter = ISOPeriodFormat.standard();
    jgen.writeString(duration.toPeriod().toString(formatter));
}
開發者ID:NovaOrdis，項目名稱:playground，代碼行數:16，代碼來源:DurationSerializer.java

示例5: serialize

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
@Override
public void serialize(
        final LocalDate date,
        final JsonGenerator jgen,
        final SerializerProvider provider) throws IOException, JsonProcessingException
{
    if (date == null)
    {
        jgen.writeNull();
        return;
    }

    jgen.writeString(date.toString());
}
開發者ID:NovaOrdis，項目名稱:playground，代碼行數:15，代碼來源:LocalDateSerializer.java

示例6: writeObject

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
private void writeObject(JsonGenerator jg, Object value) throws IOException {
  if (value == null) {
    jg.writeNull();
  } 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 {
      jg.writeString(value.toString());
    }
  }
}
開發者ID:rhli，項目名稱:hadoop-EAR，代碼行數:41，代碼來源:JMXJsonServlet.java

示例7: serialize

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
@Override
public void serialize(Short s, JsonGenerator jGen,
                      SerializerProvider serializer) throws IOException,
                                              JsonProcessingException {
    if (s == null) jGen.writeNull();
    else jGen.writeNumber(s.shortValue() & 0xffff);
}
開發者ID:vishalshubham，項目名稱:Multipath-Hedera-system-in-Floodlight-controller，代碼行數:8，代碼來源:UShortSerializer.java

示例8: generateEntry

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
@SuppressWarnings("unchecked")
private void generateEntry(JsonGenerator generator,
        Map.Entry<String, Object> x) throws IOException,
        JsonGenerationException, JsonProcessingException {
    if (x.getValue() == null) {
        if (!filterOutNullValue) {
            generator.writeFieldName(x.getKey());
            generator.writeNull();
        }
        return;
    }

    generator.writeFieldName(x.getKey());
    if (Map.class.isAssignableFrom(x.getValue().getClass())) {
        encodeMap((Map<String, Object>) x.getValue(), generator);
    } else if (x.getValue().getClass().isArray()) {
        generator.writeStartArray();
        int length = Array.getLength(x.getValue());
        for (int i = 0; i < length; i++) {
            generator.writeObject(Array.get(x.getValue(), i));    
        }
        generator.writeEndArray();
    } else if (x.getValue() instanceof Collection) {
        generator.writeStartArray();
        Iterator iterator = ((Collection) (x.getValue())).iterator();
        while (iterator.hasNext()) {
            generator.writeObject(iterator.next());    
        }
        generator.writeEndArray();
    } else {
        generator.writeObject(x.getValue());
    }
}
開發者ID:pulsarIO，項目名稱:jetstream，代碼行數:34，代碼來源:JSONMessageSerializer.java

示例9: serialize

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
public void serialize(String object, JsonGenerator jGen, SerializerProvider sProvider) 
throws IOException, JsonProcessingException {
  jGen.writeNull();
}
開發者ID:naver，項目名稱:hadoop，代碼行數:5，代碼來源:BlockingSerializer.java

示例10: writeObject

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
private static void writeObject(final JsonGenerator jg, final boolean description, Object value)
throws IOException {
  if(value == null) {
    jg.writeNull();
  } 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, description, 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, null, cds.get(key));
      }
      jg.writeEndObject();
    } else if(value instanceof TabularData) {
      TabularData tds = (TabularData)value;
      jg.writeStartArray();
      for(Object entry : tds.values()) {
        writeObject(jg, description, entry);
      }
      jg.writeEndArray();
    } else {
      jg.writeString(value.toString());
    }
  }
}
開發者ID:fengchen8086，項目名稱:ditb，代碼行數:42，代碼來源:JSONBean.java

示例11: writeValue

import org.codehaus.jackson.JsonGenerator; //導入方法依賴的package包/類
/** Called to write value.*/
protected void writeValue(Schema fieldSchema, Object datum, JsonGenerator generator) throws IOException {
    try {
        switch (fieldSchema.getType()) {
            case INT:
                generator.writeNumber(((Number) datum).intValue());
                break;
            case LONG:
                generator.writeNumber((Long) datum);
                break;
            case DOUBLE:
                generator.writeNumber((Double) datum);
                break;
            case BOOLEAN:
                generator.writeBoolean((Boolean) datum);
                break;
            case STRING:
                generator.writeString(datum.toString());
                break;
            case BYTES:
                writeBytes(datum, generator);
                break;
            case NULL:
                generator.writeNull();
                break;
            case RECORD:
                writeRecord((RecordSchema) fieldSchema, datum, generator);
                break;
            case ENUM:
                writeEnum((EnumSchema) fieldSchema, (Enum) datum, generator);
                break;
            case ARRAY:
                writeArray((ArraySchema) fieldSchema, (List) datum, generator);
                break;
            case MAP:
                writeMap((MapSchema) fieldSchema, (Map) datum, generator);
                break;
            case UNION:
                writeUnion((UnionSchema) fieldSchema, datum, generator);
                break;
            default:
                error(fieldSchema, datum);
        }
    } catch (NullPointerException e) {
        throw npe(e, " of "+ fieldSchema.getName());
    }
}
開發者ID:archcentric，項目名稱:BaijiSerializer4J，代碼行數:48，代碼來源:SpecificJsonWriter.java


注：本文中的org.codehaus.jackson.JsonGenerator.writeNull方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。