com.google.gson.stream.JsonWriter Java Examples

private void writeReverse(JsonWriter out, ImmutableMultimap<String, Thing> map)
    throws IOException {
  Set<String> keySet = map.keySet();
  if (keySet.size() == 0) {
    return;
  }
  out.name(JsonLdConstants.REVERSE);
  out.beginObject();
  for (String key : keySet) {
    out.name(shortNameOf(key));
    Collection<Thing> values = map.get(key);
    if (values.size() == 0) {
      throw new JsonLdSyntaxException(
          String.format("JSON-LD reverse property %s has no value", key));
    } else if (values.size() == 1) {
      writeObject(out, (Thing) values.toArray()[0], false /* isTopLevelObject */);
    } else {
      out.beginArray();
      for (Thing value : values) {
        writeObject(out, value, false /* isTopLevelObject */);
      }
      out.endArray();
    }
  }
  out.endObject();
}
 

@Override
public void write(JsonWriter out, SourceFile src) throws IOException {
    File file = src.getSourceFile();
    String description = src.getDescription();

    if (description == null && file != null) {
        out.value(file.getAbsolutePath());
        return;
    }

    out.beginObject();
    if (description != null) {
        out.name(DESCRIPTION).value(description);
    }
    if (file != null) {
        out.name(PATH).value(file.getAbsolutePath());
    }
    out.endObject();
}
 

@Override
public void write(JsonWriter out, T obj) throws IOException {
    //log("BaseTypeAdapter_write");
    out.beginObject();
    for (GsonProperty prop : mProps) {
        Object val = SupportUtils.getValue(prop, obj);
        if (val == null) {
            continue;
        }
        //gson name
        out.name(prop.getRealSerializeName());

      //  log("simpleType = " + simpleType.getName());
        TypeHandler.getTypeHandler(prop).write(out, prop, val);
    }
    out.endObject();
}
 

@Override
public CustomValueTypeAdapter<DrawableValue.ShapeValue> create(int type, final ProteusTypeAdapterFactory factory) {
  return new CustomValueTypeAdapter<DrawableValue.ShapeValue>(type) {
    @Override
    public void write(JsonWriter out, DrawableValue.ShapeValue value) throws IOException {
      // TODO: remove mock
      out.value("#00000000");
    }

    @Override
    public DrawableValue.ShapeValue read(JsonReader in) throws IOException {
      // TODO: remove mock
      in.skipValue();
      return DrawableValue.ShapeValue.valueOf(0, null, null);
    }
  };
}
 

@Override
public void write(KademliaRoutingTable data, DataOutputStream out) throws IOException
{
    try (JsonWriter writer = new JsonWriter(new OutputStreamWriter(out)))
    {
        writer.beginArray();

        /* Write the basic JKademliaRoutingTable */
        gson.toJson(data, JKademliaRoutingTable.class, writer);

        /* Now Store the Contacts  */
        gson.toJson(data.getAllContacts(), contactCollectionType, writer);

        writer.endArray();
    }
}
 

private static void writeJsonArray(JsonWriter out, String name, TupleType tupleType, boolean[] indexedManifest) throws IOException {
    out.name(name).beginArray();
    for (int i = 0; i < tupleType.elementTypes.length; i++) {
        final ABIType<?> e = tupleType.elementTypes[i];
        out.beginObject();
        addIfValueNotNull(out, NAME, e.getName());
        out.name(TYPE);
        final String type = e.canonicalType;
        if(type.startsWith("(")) { // tuple
            out.value(type.replace(type.substring(0, type.lastIndexOf(')') + 1), TUPLE));
            ABIType<?> base = e;
            while (base instanceof ArrayType) {
                base = ((ArrayType<? extends ABIType<?>, ?>) base).elementType;
            }
            writeJsonArray(out, COMPONENTS, (TupleType) base, null);
        } else {
            out.value(type);
        }
        if(indexedManifest != null) {
            out.name(INDEXED).value(indexedManifest[i]);
        }
        out.endObject();
    }
    out.endArray();
}
 

public void writeMapObject(String key, Map<?, ?> object) {
    try {
        Gson gson = new GsonBuilder().enableComplexMapKeySerialization().setPrettyPrinting().create();

        try (JsonWriter writer = new JsonWriter(new FileWriter(dataSource))) {
            JsonObject jsonObject = new JsonObject();
            jsonObject.add(key, gson.toJsonTree(object));
            gson.toJson(jsonObject, writer);
        }
    } catch (IOException e) {
        logger.error(e);
    }

}
 

@Override
public void write(JsonWriter out, Date date) throws IOException {
    if (date == null) {
        out.nullValue();
    } else {
        String value;
        if (dateFormat != null) {
            value = dateFormat.format(date);
        } else {
            value = ISO8601Utils.format(date, true);
        }
        out.value(value);
    }
}
 

@Override
public void write ( final JsonWriter writer, final Version value ) throws IOException
{
    if ( value == null )
    {
        writer.nullValue ();
    }
    else
    {
        writer.value ( value.toString () );
    }
}
 

@SuppressWarnings({"rawtypes", "unchecked"})
@Override
public void write(JsonWriter out, T value) throws IOException {
  // Order of preference for choosing type adapters
  // First preference: a type adapter registered for the runtime type
  // Second preference: a type adapter registered for the declared type
  // Third preference: reflective type adapter for the runtime type (if it is a sub class of the declared type)
  // Fourth preference: reflective type adapter for the declared type

  TypeAdapter chosen = delegate;
  Type runtimeType = getRuntimeTypeIfMoreSpecific(type, value);
  if (runtimeType != type) {
    TypeAdapter runtimeTypeAdapter = context.getAdapter(TypeToken.get(runtimeType));
    if (!(runtimeTypeAdapter instanceof ReflectiveTypeAdapterFactory.Adapter)) {
      // The user registered a type adapter for the runtime type, so we will use that
      chosen = runtimeTypeAdapter;
    } else if (!(delegate instanceof ReflectiveTypeAdapterFactory.Adapter)) {
      // The user registered a type adapter for Base class, so we prefer it over the
      // reflective type adapter for the runtime type
      chosen = delegate;
    } else {
      // Use the type adapter for runtime type
      chosen = runtimeTypeAdapter;
    }
  }
  chosen.write(out, value);
}
 

private void writeFeatureForSubject(List<Field> fields, Subject subject, JsonWriter jsonWriter) throws IOException {
	jsonWriter.beginObject();

	jsonWriter.name("type").value("Feature");
	jsonWriter.name("geometry").jsonValue(getGeoJSONGeometryForSubject(subject));
	jsonWriter.name("properties").jsonValue(getPropertiesForSubject(fields, subject).toJSONString());

	jsonWriter.endObject();
}
 

@Override
public void write(JsonWriter out, LocalDate date) throws IOException {
    if (date == null) {
        out.nullValue();
    } else {
        out.value(formatter.format(date));
    }
}
 

@Override
public void write(JsonWriter out, Date date) throws IOException {
  if (date == null) {
    out.nullValue();
  } else {
    String value = format(date, true, UTC_TIME_ZONE);
    out.value(value);
  }
}
 

@Override
public void write(JsonWriter out, Class value) throws IOException {
  if (value == null) {
    out.nullValue();
  } else {
    throw new UnsupportedOperationException("Attempted to serialize java.lang.Class: "
        + value.getName() + ". Forgot to register a type adapter?");
  }
}
 

@Override
public RequestBody convert(T value) throws IOException {
    Buffer buffer = new Buffer();
    Writer writer = new OutputStreamWriter(buffer.outputStream(), UTF_8);
    JsonWriter jsonWriter = gson.newJsonWriter(writer);
    adapter.write(jsonWriter, value);
    jsonWriter.close();
    return RequestBody.create(MEDIA_TYPE, buffer.readByteString());
}
 

@Override
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) {
  if (!Optional.class.isAssignableFrom(type.getRawType())) {
    return null;
  }

  final TypeAdapter delegateAdapter = gson.getAdapter(TypeToken.get(((ParameterizedType) type.getType()).getActualTypeArguments()[0]));

  return new TypeAdapter<T>() {
    @Override
    @SuppressWarnings({"unchecked", "rawtypes"})
    public void write(JsonWriter out, T value) throws IOException {
      if (((Optional) value).isPresent()) {
        delegateAdapter.write(out, ((Optional) value).get());
      } else {
        out.nullValue();
      }
    }

    @Override
    @SuppressWarnings("unchecked")
    public T read(JsonReader in) throws IOException {
      Object readObject = delegateAdapter.read(in);
      if (readObject == null) {
        return (T) Optional.empty();
      } else {
        return (T) Optional.of(readObject);
      }
    }
  };
}
 

@Override
public void write(final JsonWriter out, final Vector3 vec) throws IOException {
    out.beginArray();
    out.value(vec.getX());
    out.value(vec.getY());
    out.value(vec.getZ());
    out.endArray();
}
 

@Override
public void serialize(JsonWriter writer) throws IOException {
  writer.beginObject();
  
  writer.name("bind");
  if (bind != null) {
    writer.value(bind.getKeyCode());
  } else {
    writer.value(-1);
  }
  
  writer.endObject();
}
 

@Override
public void writeHead() {
    if (commandLine.hasOption("a")) {
        try {
            jsonWriter = new JsonWriter(new OutputStreamWriter(System.out));
            jsonWriter.beginArray();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
 

@Override
public void write(JsonWriter jsonWriter, Checksum checksum) throws IOException {
    if (checksum == null) {
        throw new JsonParseException("null is not a valid value for Checksum");
    }
    else {
        jsonWriter.value(checksum.toString());
    }
}
 

public void write(JsonWriter out, Collection<E> collection) throws IOException {
    if (collection == null) {
        out.nullValue();
        return;
    }
    out.beginArray();
    for (E element : collection) {
        this.elementTypeAdapter.write(out, element);
    }
    out.endArray();
}
 

@Override public <T> TypeAdapter<T> create(Gson gson, final TypeToken<T> type) {
  return new TypeAdapter<T>() {
    @Override public void write(JsonWriter out, T value) throws IOException {
      out.value("jsonAdapterFactory");
    }
    @SuppressWarnings("unchecked")
    @Override public T read(JsonReader in) throws IOException {
      in.nextString();
      return (T) new C("jsonAdapterFactory");
    }
  };
}
 

@Override
public void write(JsonWriter writer, SpeechTimestamp speechTimestamp) throws IOException {
  writer.beginArray();

  writer.value(speechTimestamp.getWord());
  writer.value(speechTimestamp.getStartTime());
  writer.value(speechTimestamp.getEndTime());

  writer.endArray();
  writer.flush();
}
 

@Override
public void write(JsonWriter out, DateTime date) throws IOException {
    if (date == null) {
        out.nullValue();
    } else {
        out.value(date.getMillis());
    }
}
 

/**
 * Writes out the equivalent JSON for a tree of {@link JsonElement}s.
 *
 * @param jsonElement root of a tree of {@link JsonElement}s
 * @param writer Writer to which the Json representation needs to be written
 * @throws JsonIOException if there was a problem writing to the writer
 * @since 1.4
 */
public void toJson(JsonElement jsonElement, Appendable writer) throws JsonIOException {
  try {
    JsonWriter jsonWriter = newJsonWriter(Streams.writerForAppendable(writer));
    toJson(jsonElement, jsonWriter);
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}
 

@Override
public void write(JsonWriter out, SemanticVersion version) throws IOException {
    out.beginArray();
    out.value(version.major());
    out.value(version.minor());
    if(version.patch() != 0) out.value(version.patch());
    out.endArray();
}
 

@Override
public void write(JsonWriter writer, Categories categories) throws IOException {
	checkNotNull(categories);

	writer.beginObject();
	writer.name(NAME_CATEGORIES);
	writer.beginArray();
	for (Category category : categories.getCategories()) {
		writer.value(toEncryptedString(category));
	}
	writer.endArray();
	writer.endObject();
}
 

@Override
public void serialize(JsonWriter writer) throws IOException {
  writer.beginObject();
  
  writer.name("value");
  writer.value(getAsString());
  
  writer.endObject();
}
 

@Override
public void write(final JsonWriter jsonWriter, final StatusEnum enumeration) throws IOException {
  jsonWriter.value(enumeration.getValue());
}
 

@Override
public void write(JsonWriter out, UUID value) throws IOException {
  out.value(value == null ? null : value.toString());
}