com.fasterxml.jackson.core.JsonParser#getCurrentToken

Source File: RecordDeserialiser.java From octarine with Apache License 2.0

6 votes

@Override
public Record applyUnsafe(JsonParser parser) throws IOException {
    List<Value> values = new ArrayList<>();

    if (parser.nextToken() == JsonToken.END_OBJECT) {
        return Record.empty();
    }

    /*
     * When the parser has hit the end of input nextToken() will always return null.
     * So need to prevent infinite loops we check the parser closed flag.
     */
    while (!parser.isClosed() && (parser.nextValue() != JsonToken.END_OBJECT)) {
        String fieldName = parser.getCurrentName();
        if (JsonToken.VALUE_NULL != parser.getCurrentToken()) {
            Optional<Value> result = parserMapper.apply(fieldName, parser);
            if (result.isPresent()) {
                values.add(result.get());
            } else {
                consumeUnwanted(parser);
            }
        }
    }

    return Record.of(values);
}

Source File: JsonldBeanDeserializerModifier.java From jackson-jsonld with MIT License

6 votes

private Object parseJsonldObject(JsonParser jp) throws IOException {
    Object rval = null;
    final JsonToken initialToken = jp.getCurrentToken();

    if (initialToken == JsonToken.START_ARRAY) {
        jp.setCodec(mapper);
        rval = jp.readValueAs(List.class);
    } else if (initialToken == JsonToken.START_OBJECT) {
        jp.setCodec(mapper);
        rval = jp.readValueAs(Map.class);
    } else if (initialToken == JsonToken.VALUE_STRING) {
        jp.setCodec(mapper);
        rval = jp.readValueAs(String.class);
    } else if (initialToken == JsonToken.VALUE_FALSE || initialToken == JsonToken.VALUE_TRUE) {
        jp.setCodec(mapper);
        rval = jp.readValueAs(Boolean.class);
    } else if (initialToken == JsonToken.VALUE_NUMBER_FLOAT
            || initialToken == JsonToken.VALUE_NUMBER_INT) {
        jp.setCodec(mapper);
        rval = jp.readValueAs(Number.class);
    } else if (initialToken == JsonToken.VALUE_NULL) {
        rval = null;
    }
    return rval;
}

Source File: StoneSerializers.java From dropbox-sdk-java with MIT License

5 votes

@Override
public T deserialize(JsonParser p) throws IOException, JsonParseException {
    if (p.getCurrentToken() == JsonToken.VALUE_NULL) {
        p.nextToken();
        return null;
    } else {
        return underlying.deserialize(p);
    }
}

Source File: ClientCsdlFunction.java From olingo-odata4 with Apache License 2.0

5 votes

@Override
protected ClientCsdlFunction doDeserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException {

  final ClientCsdlFunction functionImpl = new ClientCsdlFunction();

  for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
    final JsonToken token = jp.getCurrentToken();
    if (token == JsonToken.FIELD_NAME) {
      if ("Name".equals(jp.getCurrentName())) {
        functionImpl.setName(jp.nextTextValue());
      } else if ("IsBound".equals(jp.getCurrentName())) {
        functionImpl.setBound(BooleanUtils.toBoolean(jp.nextTextValue()));
      } else if ("IsComposable".equals(jp.getCurrentName())) {
        functionImpl.setComposable(BooleanUtils.toBoolean(jp.nextTextValue()));
      } else if ("EntitySetPath".equals(jp.getCurrentName())) {
        functionImpl.setEntitySetPath(jp.nextTextValue());
      } else if ("Parameter".equals(jp.getCurrentName())) {
        jp.nextToken();
        functionImpl.getParameters().add(jp.readValueAs(ClientCsdlParameter.class));
      } else if ("ReturnType".equals(jp.getCurrentName())) {
        functionImpl.setReturnType(parseReturnType(jp, "Function"));
      } else if ("Annotation".equals(jp.getCurrentName())) {
        jp.nextToken();
        functionImpl.getAnnotations().add(jp.readValueAs(ClientCsdlAnnotation.class));
      }
    }
  }

  return functionImpl;
}

Source File: JSR310LocalDateDeserializer.java From expper with GNU General Public License v3.0

5 votes

@Override
public LocalDate deserialize(JsonParser parser, DeserializationContext context) throws IOException {
    switch(parser.getCurrentToken()) {
        case START_ARRAY:
            if(parser.nextToken() == JsonToken.END_ARRAY) {
                return null;
            }
            int year = parser.getIntValue();

            parser.nextToken();
            int month = parser.getIntValue();

            parser.nextToken();
            int day = parser.getIntValue();

            if(parser.nextToken() != JsonToken.END_ARRAY) {
                throw context.wrongTokenException(parser, JsonToken.END_ARRAY, "Expected array to end.");
            }
            return LocalDate.of(year, month, day);

        case VALUE_STRING:
            String string = parser.getText().trim();
            if(string.length() == 0) {
                return null;
            }
            return LocalDate.parse(string, ISO_DATE_OPTIONAL_TIME);
    }
    throw context.wrongTokenException(parser, JsonToken.START_ARRAY, "Expected array or string.");
}

Source File: UserAccessTokenBindMap.java From kripton with Apache License 2.0

5 votes

/**
 * parse with jackson
 */
@Override
public UserAccessToken parseOnJacksonAsString(JsonParser jacksonParser) throws Exception {
  UserAccessToken instance = new UserAccessToken();
  String fieldName;
  if (jacksonParser.getCurrentToken() == null) {
    jacksonParser.nextToken();
  }
  if (jacksonParser.getCurrentToken() != JsonToken.START_OBJECT) {
    jacksonParser.skipChildren();
    return instance;
  }
  while (jacksonParser.nextToken() != JsonToken.END_OBJECT) {
    fieldName = jacksonParser.getCurrentName();
    jacksonParser.nextToken();

    // Parse fields:
    switch (fieldName) {
        case "creationDate":
          // field creationDate (mapped with "creationDate")
          instance.setCreationDate(PrimitiveUtils.readLong(jacksonParser.getText(), 0L));
        break;
        case "uid":
          // field uid (mapped with "uid")
          if (jacksonParser.currentToken()!=JsonToken.VALUE_NULL) {
            instance.setUid(jacksonParser.getText());
          }
        break;
        default:
          jacksonParser.skipChildren();
        break;}
  }
  return instance;
}

Source File: JoynrUntypedObjectDeserializer.java From joynr with Apache License 2.0

5 votes

@Override
/**
 * All joynr objects are serialized with type information, so deserialize them as such
 */
public Object deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
    JsonToken t = jp.getCurrentToken();
    if (t == JsonToken.START_OBJECT) {
        return super.deserializeWithType(jp, ctxt, typeDeserializer);
    }

    return super.deserialize(jp, ctxt);
}

Source File: ClientCsdlAction.java From olingo-odata4 with Apache License 2.0

5 votes

@Override
protected ClientCsdlAction doDeserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException {

  final ClientCsdlAction action = new ClientCsdlAction();

  for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
    final JsonToken token = jp.getCurrentToken();
    if (token == JsonToken.FIELD_NAME) {
      if ("Name".equals(jp.getCurrentName())) {
        action.setName(jp.nextTextValue());
      } else if ("IsBound".equals(jp.getCurrentName())) {
        action.setBound(BooleanUtils.toBoolean(jp.nextTextValue()));
      } else if ("EntitySetPath".equals(jp.getCurrentName())) {
        action.setEntitySetPath(jp.nextTextValue());
      } else if ("Parameter".equals(jp.getCurrentName())) {
        jp.nextToken();
        action.getParameters().add(jp.readValueAs(ClientCsdlParameter.class));
      } else if ("ReturnType".equals(jp.getCurrentName())) {
        action.setReturnType(parseReturnType(jp, "Action"));
      } else if ("Annotation".equals(jp.getCurrentName())) {
        jp.nextToken();
        action.getAnnotations().add(jp.readValueAs(ClientCsdlAnnotation.class));
      }
    }
  }

  return action;
}

Source File: BlockHexDeserializer.java From consensusj with Apache License 2.0

5 votes

@Override
public Block deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
    JsonToken token = p.getCurrentToken();
    switch (token) {
        case VALUE_STRING:
            try {
                byte[] payload = HexUtil.hexStringToByteArray(p.getValueAsString()); // convert  to hex
                return context.getParams().getDefaultSerializer().makeBlock(payload);
            } catch (ProtocolException e) {
                throw new InvalidFormatException(p, "Invalid Block", p.getValueAsString(), Block.class);
            }
        default:
            return (Block) ctxt.handleUnexpectedToken(Block.class, p);
    }
}

Source File: ClientCsdlEntityType.java From olingo-odata4 with Apache License 2.0

5 votes

@Override
protected CsdlEntityType doDeserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException {

  final ClientCsdlEntityType entityType = new ClientCsdlEntityType();

  for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
    final JsonToken token = jp.getCurrentToken();
    if (token == JsonToken.FIELD_NAME) {
      if ("Name".equals(jp.getCurrentName())) {
        entityType.setName(jp.nextTextValue());
      } else if ("Abstract".equals(jp.getCurrentName())) {
        entityType.setAbstract(BooleanUtils.toBoolean(jp.nextTextValue()));
      } else if ("BaseType".equals(jp.getCurrentName())) {
        entityType.setBaseType(jp.nextTextValue());
      } else if ("OpenType".equals(jp.getCurrentName())) {
        entityType.setOpenType(BooleanUtils.toBoolean(jp.nextTextValue()));
      } else if ("HasStream".equals(jp.getCurrentName())) {
        entityType.setHasStream(BooleanUtils.toBoolean(jp.nextTextValue()));
      } else if ("Key".equals(jp.getCurrentName())) {
        jp.nextToken();
        ClientCsdlEntityKey keyImpl = jp.readValueAs(ClientCsdlEntityKey.class);
        entityType.setKey(keyImpl.getPropertyRefs());
      } else if ("Property".equals(jp.getCurrentName())) {
        jp.nextToken();
        entityType.getProperties().add(jp.readValueAs(ClientCsdlProperty.class));
      } else if ("NavigationProperty".equals(jp.getCurrentName())) {
        jp.nextToken();
        entityType.getNavigationProperties().add(jp.readValueAs(ClientCsdlNavigationProperty.class));
      } else if ("Annotation".equals(jp.getCurrentName())) {
        jp.nextToken();
        entityType.getAnnotations().add(jp.readValueAs(ClientCsdlAnnotation.class));
      }
    }
  }

  return entityType;
}

Source File: CountBindMap.java From kripton with Apache License 2.0

5 votes

/**
 * parse with jackson
 */
@Override
public Count parseOnJacksonAsString(JsonParser jacksonParser) throws Exception {
  Count instance = new Count();
  String fieldName;
  if (jacksonParser.getCurrentToken() == null) {
    jacksonParser.nextToken();
  }
  if (jacksonParser.getCurrentToken() != JsonToken.START_OBJECT) {
    jacksonParser.skipChildren();
    return instance;
  }
  while (jacksonParser.nextToken() != JsonToken.END_OBJECT) {
    fieldName = jacksonParser.getCurrentName();
    jacksonParser.nextToken();

    // Parse fields:
    switch (fieldName) {
        case "count":
          // field count (mapped with "count")
          instance.setCount(PrimitiveUtils.readInteger(jacksonParser.getText(), 0));
        break;
        case "title":
          // field title (mapped with "title")
          if (jacksonParser.currentToken()!=JsonToken.VALUE_NULL) {
            instance.setTitle(jacksonParser.getText());
          }
        break;
        default:
          jacksonParser.skipChildren();
        break;}
  }
  return instance;
}

Source File: LibraryUpdaterTask.java From android-viewer-for-khan-academy with GNU General Public License v3.0

5 votes

private void parseDownloadUrls(JsonParser parser, ContentValues result) throws JsonParseException, IOException {
		// parser points at begin object token right now
		if (parser.getCurrentToken() == JsonToken.START_OBJECT) {
			while (parser.nextValue() != JsonToken.END_OBJECT) {
				String fieldName = parser.getCurrentName();
				
				if (downloadUrlFields.contains(fieldName)) {
					result.put(fieldName + "url", parser.getValueAsString());
				}
			}
		}
//		else we must not have any download urls (null, '', something like that.)
	}

Source File: Seminar2StudentBindMap.java From kripton with Apache License 2.0

5 votes

/**
 * parse with jackson
 */
@Override
public Seminar2Student parseOnJacksonAsString(JsonParser jacksonParser) throws Exception {
  Seminar2Student instance = new Seminar2Student();
  String fieldName;
  if (jacksonParser.getCurrentToken() == null) {
    jacksonParser.nextToken();
  }
  if (jacksonParser.getCurrentToken() != JsonToken.START_OBJECT) {
    jacksonParser.skipChildren();
    return instance;
  }
  while (jacksonParser.nextToken() != JsonToken.END_OBJECT) {
    fieldName = jacksonParser.getCurrentName();
    jacksonParser.nextToken();

    // Parse fields:
    switch (fieldName) {
        case "id":
          // field id (mapped with "id")
          instance.id=PrimitiveUtils.readLong(jacksonParser.getText(), 0L);
        break;
        case "seminarId":
          // field seminarId (mapped with "seminarId")
          instance.seminarId=PrimitiveUtils.readLong(jacksonParser.getText(), 0L);
        break;
        case "studentId":
          // field studentId (mapped with "studentId")
          instance.studentId=PrimitiveUtils.readLong(jacksonParser.getText(), 0L);
        break;
        default:
          jacksonParser.skipChildren();
        break;}
  }
  return instance;
}

Source File: Sha256HashDeserializer.java From consensusj with Apache License 2.0

5 votes

@Override
public Sha256Hash deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException {
    JsonToken token = p.getCurrentToken();
    switch (token) {
        case VALUE_STRING:
            return Sha256Hash.wrap(p.getValueAsString());
        default:
            return (Sha256Hash) ctxt.handleUnexpectedToken(Sha256Hash.class, p);
    }
}

Source File: PersonBindMap.java From kripton with Apache License 2.0

4 votes

/**
 * parse with jackson
 */
@Override
public Person parseOnJacksonAsString(JsonParser jacksonParser) throws Exception {
  Person instance = new Person();
  String fieldName;
  if (jacksonParser.getCurrentToken() == null) {
    jacksonParser.nextToken();
  }
  if (jacksonParser.getCurrentToken() != JsonToken.START_OBJECT) {
    jacksonParser.skipChildren();
    return instance;
  }
  while (jacksonParser.nextToken() != JsonToken.END_OBJECT) {
    fieldName = jacksonParser.getCurrentName();
    jacksonParser.nextToken();

    // Parse fields:
    switch (fieldName) {
        case "birthDate":
          // field birthDate (mapped with "birthDate")
          if (jacksonParser.currentToken()!=JsonToken.VALUE_NULL) {
            // using type adapter sqlite.adapter.example01.DateAdapter
            instance.setBirthDate(TypeAdapterUtils.toJava(DateAdapter.class, PrimitiveUtils.readLong(jacksonParser.getText(), null)));
          }
        break;
        case "id":
          // field id (mapped with "id")
          instance.setId(PrimitiveUtils.readLong(jacksonParser.getText(), 0L));
        break;
        case "name":
          // field name (mapped with "name")
          if (jacksonParser.currentToken()!=JsonToken.VALUE_NULL) {
            instance.setName(jacksonParser.getText());
          }
        break;
        case "surname":
          // field surname (mapped with "surname")
          if (jacksonParser.currentToken()!=JsonToken.VALUE_NULL) {
            instance.setSurname(jacksonParser.getText());
          }
        break;
        default:
          jacksonParser.skipChildren();
        break;}
  }
  return instance;
}

Source File: StoneSerializer.java From dropbox-sdk-java with MIT License

4 votes

protected static void expectStartArray(JsonParser p) throws IOException, JsonParseException {
    if (p.getCurrentToken() != JsonToken.START_ARRAY) {
        throw new JsonParseException(p, "expected array value.");
    }
    p.nextToken();
}

Source File: PropertiesDeserializer.java From divolte-collector with Apache License 2.0

4 votes

@Override
public Properties deserialize(JsonParser p, DeserializationContext ctx) throws IOException {
    if (START_OBJECT == p.getCurrentToken()) {
        final Properties properties = new Properties();
        final Deque<String> stack = new ArrayDeque<>();
        final ArrayList<String> array = new ArrayList<>();
        for (JsonToken nextToken = p.nextToken(); nextToken != END_OBJECT || !stack.isEmpty(); nextToken = p.nextToken()) {
            switch(nextToken) {
                case FIELD_NAME:
                    stack.addLast(p.getCurrentName());
                    break;
                case VALUE_STRING:
                case VALUE_NUMBER_INT:
                case VALUE_NUMBER_FLOAT:
                case VALUE_TRUE:
                case VALUE_FALSE:
                    if (p.getParsingContext().inArray()) {
                        array.add(p.getText());
                    } else {
                        properties.put(DOT_JOINER.join(stack), p.getText());
                        stack.removeLast();
                    }
                    break;
                case START_OBJECT:
                    if (p.getParsingContext().inArray()) {
                        throw UnsupportedTypeException.from(p, START_OBJECT, "Nested objects within arrays not allowed in Properties object.");
                    }
                    break;
                case END_OBJECT:
                    stack.removeLast();
                    break;
                case START_ARRAY:
                    array.clear();
                    break;
                case END_ARRAY:
                    properties.put(DOT_JOINER.join(stack), COMMA_JOINER.join(array));
                    stack.removeLast();
                    break;
                case VALUE_NULL:
                    throw UnsupportedTypeException.from(p, VALUE_NULL, "Null values not allowed in Properties object.");
                case VALUE_EMBEDDED_OBJECT:
                    throw UnsupportedTypeException.from(p, VALUE_EMBEDDED_OBJECT, "Embedded object not allowed as part of Properties object.");
                case NOT_AVAILABLE:
                    break;
            }
        }
        return properties;
    } else {
        throw ctx.wrongTokenException(p, handledType(), START_OBJECT, "Expected nested object for Properties mapping.");
    }
}

Source File: JsonInput.java From protostuff with Apache License 2.0

4 votes

private <T> int readFieldNumber(final Schema<T> schema, final JsonParser parser)
        throws IOException
{
    for (; ; )
    {
        if (parser.nextToken() == END_OBJECT)
            return 0;

        if (parser.getCurrentToken() != FIELD_NAME)
        {
            throw new JsonInputException("Expected token: $field: but was " +
                    parser.getCurrentToken() + " on message " + schema.messageFullName());
        }

        final String name = parser.getCurrentName();

        // move to the next token
        parser.nextToken();

        // skip null value
        if (parser.getCurrentToken() == VALUE_NULL)
        {
            continue;
        }

        int number = numeric ? Integer.parseInt(name) : schema.getFieldNumber(name);

        if (number == 0)
        {
            // we can skip this unknown field
            if (!parser.getCurrentToken().isScalarValue())
            {
                skipField(parser);
            }
            continue;
        }

        if (parser.getCurrentToken() == START_ARRAY)
        {
            JsonToken jt = parser.nextToken();

            // if empty array, read the next field
            if (jt == END_ARRAY)
            {
                continue;
            }

            if (jt == VALUE_NULL)
            {
                // skip null elements
                //noinspection StatementWithEmptyBody
                while (VALUE_NULL == (jt = parser.nextToken()))
                    ;

                // all elements were null.
                if (jt == END_ARRAY)
                {
                    continue;
                }
            }

            lastRepeated = true;
            lastName = name;
            lastNumber = number;

            return number;
        }

        lastName = name;
        lastNumber = number;

        return number;
    }
}

Source File: DbxDeltaC.java From dropbox-sdk-java with MIT License

4 votes

public static <C, MD extends Dumpable> DbxDeltaC<C> read(JsonParser parser, JsonReader<MD> metadataReader, Collector<DbxDeltaC.Entry<MD>, C> entryCollector)
    throws IOException, JsonReadException
{
    JsonLocation top = JsonReader.expectObjectStart(parser);

    Boolean reset = null;
    C entries = null;
    String cursor = null;
    Boolean has_more = null;

    while (parser.getCurrentToken() == JsonToken.FIELD_NAME) {
        String fieldName = parser.getCurrentName();
        JsonReader.nextToken(parser);

        int fi = FM.get(fieldName);
        try {
            if (fi == -1) {
                // Unknown field.  Skip over it.
                JsonReader.skipValue(parser);
                continue;
            }
            switch (fi) {
                case FM_reset: reset = JsonReader.BooleanReader.readField(parser, fieldName, reset); break;
                case FM_entries:
                    JsonReader<Entry<MD>> entryReader = new Entry.Reader<MD>(metadataReader);
                    entries = JsonArrayReader.mk(entryReader, entryCollector).readField(parser, fieldName, entries);
                    break;
                case FM_cursor: cursor = JsonReader.StringReader.readField(parser, fieldName, cursor); break;
                case FM_has_more: has_more = JsonReader.BooleanReader.readField(parser, fieldName, has_more); break;
                default:
                    throw new AssertionError("bad index: " + fi + ", field = \"" + fieldName + "\"");
            }
        }
        catch (JsonReadException ex) {
            throw ex.addFieldContext(fieldName);
        }
    }

    JsonReader.expectObjectEnd(parser);

    if (reset == null) throw new JsonReadException("missing field \"path\"", top);
    if (entries == null) throw new JsonReadException("missing field \"entries\"", top);
    if (cursor == null) throw new JsonReadException("missing field \"cursor\"", top);
    if (has_more == null) throw new JsonReadException("missing field \"has_more\"", top);

    return new DbxDeltaC<C>(reset, entries, cursor, has_more);
}

Source File: JsonUtilities.java From azure-storage-android with Apache License 2.0

2 votes

/***
 * Reserved for internal use. Asserts that the current token of the parser is the start of an object.
 * 
 * @param parser
 *            The {@link JsonParser} whose current token to check.
 */
public static void assertIsStartObjectJsonToken(final JsonParser parser) throws JsonParseException {
    if (!(parser.getCurrentToken() == JsonToken.START_OBJECT)) {
        throw new JsonParseException(SR.EXPECTED_START_OBJECT, parser.getCurrentLocation());
    }
}

Java Code Examples for com.fasterxml.jackson.core.JsonParser#getCurrentToken()