示例#1
0
  //  @Override
  public JsonSerializer<?> createContextual(SerializerProvider provider, BeanProperty property)
      throws JsonMappingException {
    /* 29-Sep-2012, tatu: Actually, we need to do much more contextual
     *    checking here since we finally know for sure the property,
     *    and it may have overrides
     */
    JsonSerializer<?> ser = null;
    JsonSerializer<?> keySer = null;

    // First: if we have a property, may have property-annotation overrides
    if (property != null) {
      AnnotatedMember m = property.getMember();
      if (m != null) {
        Object serDef;
        final AnnotationIntrospector intr = provider.getAnnotationIntrospector();
        serDef = intr.findKeySerializer(m);
        if (serDef != null) {
          keySer = provider.serializerInstance(m, serDef);
        }
        serDef = intr.findContentSerializer(m);
        if (serDef != null) {
          ser = provider.serializerInstance(m, serDef);
        }
      }
    }
    if (ser == null) {
      ser = _valueSerializer;
    }
    if (ser == null) {
      // 30-Sep-2012, tatu: One more thing -- if explicit content type is annotated,
      //   we can consider it a static case as well.
      if (_valueTypeIsStatic || hasContentTypeAnnotation(provider, property)) {
        ser = provider.findValueSerializer(_valueType, property);
      }
    } else if (ser instanceof ContextualSerializer) {
      ser = ((ContextualSerializer) ser).createContextual(provider, property);
    }
    if (keySer == null) {
      keySer = _keySerializer;
    }
    if (keySer == null) {
      keySer = provider.findKeySerializer(_keyType, property);
    } else if (keySer instanceof ContextualSerializer) {
      keySer = ((ContextualSerializer) keySer).createContextual(provider, property);
    }
    HashSet<String> ignored = this._ignoredEntries;
    AnnotationIntrospector intr = provider.getAnnotationIntrospector();
    if (intr != null && property != null) {
      String[] moreToIgnore = intr.findPropertiesToIgnore(property.getMember());
      if (moreToIgnore != null) {
        ignored = (ignored == null) ? new HashSet<String>() : new HashSet<String>(ignored);
        for (String str : moreToIgnore) {
          ignored.add(str);
        }
      }
    }
    return withResolved(property, keySer, ser, ignored);
  }
示例#2
0
 private static HashSet<String> toSet(String[] ignoredEntries) {
   if (ignoredEntries == null || ignoredEntries.length == 0) {
     return null;
   }
   HashSet<String> result = new HashSet<String>(ignoredEntries.length);
   for (String prop : ignoredEntries) {
     result.add(prop);
   }
   return result;
 }
示例#3
0
  /** Method called to serialize fields, when the value type is not statically known. */
  public void serializeFields(Map<?, ?> value, JsonGenerator jgen, SerializerProvider provider)
      throws IOException, JsonGenerationException {
    // If value type needs polymorphic type handling, some more work needed:
    if (_valueTypeSerializer != null) {
      serializeTypedFields(value, jgen, provider);
      return;
    }
    final JsonSerializer<Object> keySerializer = _keySerializer;

    final HashSet<String> ignored = _ignoredEntries;
    final boolean skipNulls = !provider.isEnabled(SerializationFeature.WRITE_NULL_MAP_VALUES);

    PropertySerializerMap serializers = _dynamicValueSerializers;

    for (Map.Entry<?, ?> entry : value.entrySet()) {
      Object valueElem = entry.getValue();
      // First, serialize key
      Object keyElem = entry.getKey();
      if (keyElem == null) {
        provider.findNullKeySerializer(_keyType, _property).serialize(null, jgen, provider);
      } else {
        // [JACKSON-314] skip entries with null values?
        if (skipNulls && valueElem == null) continue;
        // One twist: is entry ignorable? If so, skip
        if (ignored != null && ignored.contains(keyElem)) continue;
        keySerializer.serialize(keyElem, jgen, provider);
      }

      // And then value
      if (valueElem == null) {
        provider.defaultSerializeNull(jgen);
      } else {
        Class<?> cc = valueElem.getClass();
        JsonSerializer<Object> serializer = serializers.serializerFor(cc);
        if (serializer == null) {
          if (_valueType.hasGenericTypes()) {
            serializer =
                _findAndAddDynamic(
                    serializers, provider.constructSpecializedType(_valueType, cc), provider);
          } else {
            serializer = _findAndAddDynamic(serializers, cc, provider);
          }
          serializers = _dynamicValueSerializers;
        }
        try {
          serializer.serialize(valueElem, jgen, provider);
        } catch (Exception e) {
          // [JACKSON-55] Need to add reference information
          String keyDesc = "" + keyElem;
          wrapAndThrow(provider, e, value, keyDesc);
        }
      }
    }
  }
示例#4
0
  protected void serializeTypedFields(
      Map<?, ?> value, JsonGenerator jgen, SerializerProvider provider)
      throws IOException, JsonGenerationException {
    final JsonSerializer<Object> keySerializer = _keySerializer;
    JsonSerializer<Object> prevValueSerializer = null;
    Class<?> prevValueClass = null;
    final HashSet<String> ignored = _ignoredEntries;
    final boolean skipNulls = !provider.isEnabled(SerializationFeature.WRITE_NULL_MAP_VALUES);

    for (Map.Entry<?, ?> entry : value.entrySet()) {
      Object valueElem = entry.getValue();
      // First, serialize key
      Object keyElem = entry.getKey();
      if (keyElem == null) {
        provider.findNullKeySerializer(_keyType, _property).serialize(null, jgen, provider);
      } else {
        // [JACKSON-314] also may need to skip entries with null values
        if (skipNulls && valueElem == null) continue;
        // One twist: is entry ignorable? If so, skip
        if (ignored != null && ignored.contains(keyElem)) continue;
        keySerializer.serialize(keyElem, jgen, provider);
      }

      // And then value
      if (valueElem == null) {
        provider.defaultSerializeNull(jgen);
      } else {
        Class<?> cc = valueElem.getClass();
        JsonSerializer<Object> currSerializer;
        if (cc == prevValueClass) {
          currSerializer = prevValueSerializer;
        } else {
          currSerializer = provider.findValueSerializer(cc, _property);
          prevValueSerializer = currSerializer;
          prevValueClass = cc;
        }
        try {
          currSerializer.serializeWithType(valueElem, jgen, provider, _valueTypeSerializer);
        } catch (Exception e) {
          // [JACKSON-55] Need to add reference information
          String keyDesc = "" + keyElem;
          wrapAndThrow(provider, e, value, keyDesc);
        }
      }
    }
  }
示例#5
0
  /**
   * Method called to serialize fields, when the value type is statically known, so that value
   * serializer is passed and does not need to be fetched from provider.
   */
  protected void serializeFieldsUsing(
      Map<?, ?> value, JsonGenerator jgen, SerializerProvider provider, JsonSerializer<Object> ser)
      throws IOException, JsonGenerationException {
    final JsonSerializer<Object> keySerializer = _keySerializer;
    final HashSet<String> ignored = _ignoredEntries;
    final TypeSerializer typeSer = _valueTypeSerializer;
    final boolean skipNulls = !provider.isEnabled(SerializationFeature.WRITE_NULL_MAP_VALUES);

    for (Map.Entry<?, ?> entry : value.entrySet()) {
      Object valueElem = entry.getValue();
      Object keyElem = entry.getKey();
      if (keyElem == null) {
        provider.findNullKeySerializer(_keyType, _property).serialize(null, jgen, provider);
      } else {
        // [JACKSON-314] also may need to skip entries with null values
        if (skipNulls && valueElem == null) continue;
        if (ignored != null && ignored.contains(keyElem)) continue;
        keySerializer.serialize(keyElem, jgen, provider);
      }
      if (valueElem == null) {
        provider.defaultSerializeNull(jgen);
      } else {
        try {
          if (typeSer == null) {
            ser.serialize(valueElem, jgen, provider);
          } else {
            ser.serializeWithType(valueElem, jgen, provider, typeSer);
          }
        } catch (Exception e) {
          // [JACKSON-55] Need to add reference information
          String keyDesc = "" + keyElem;
          wrapAndThrow(provider, e, value, keyDesc);
        }
      }
    }
  }