Example usage for com.fasterxml.jackson.core JsonParser getCurrentToken

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser getCurrentToken.

Prototype

public abstract JsonToken getCurrentToken();

Source Link

Document

Accessor to find which token parser currently points to, if any; null will be returned if none.

Usage

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

@Test
public void testNull() throws Exception {
    generator.writeNull();//  w w  w  .j  ava 2  s. c  om
    verifyGenerator("null");

    JsonParser parser = jsonFactory.createJsonParser("null");
    assertEquals(null, parser.getCurrentToken());
    assertEquals(JsonToken.VALUE_NULL, parser.nextToken());
    assertEquals(null, parser.nextToken());
}

From source file:com.spotify.docker.client.jackson.UnixTimestampDeserializer.java

@Override
public Date deserialize(final JsonParser parser, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    final JsonToken token = parser.getCurrentToken();
    if (token == JsonToken.VALUE_STRING) {
        final String str = parser.getText().trim();
        return toDate(Long.parseLong(str));
    } else if (token == JsonToken.VALUE_NUMBER_INT) {
        return toDate(parser.getLongValue());
    }/*  w  w w .j av  a 2  s .c o  m*/
    throw ctxt.wrongTokenException(parser, JsonToken.VALUE_STRING, "Expected a string or numeric value");
}

From source file:com.basho.riak.client.raw.http.NamedJSFunctionDeserializer.java

@Override
public NamedJSFunction deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    JsonToken token = jp.getCurrentToken();

    if (JsonToken.START_OBJECT.equals(token)) {

        String name = null;//from w ww. j a v  a 2s.c o m

        while (!JsonToken.END_OBJECT.equals(token)) {
            String field = jp.getCurrentName();

            if (Constants.FL_SCHEMA_FUN_NAME.equals(field)) {
                jp.nextToken();
                name = jp.getText();
            }
            token = jp.nextToken();
        }
        if (name != null) {
            return new NamedJSFunction(name);
        } else {
            return null;
        }
    }
    throw ctxt.mappingException(NamedJSFunction.class);
}

From source file:com.google.openrtb.json.AbstractOpenRtbJsonReader.java

/**
 * Special case for empty-string input. Returning null in non-@Nullable method,
 * but this is non-strict mode anyway.//from ww w  .  ja  v  a 2 s .  co m
 */
protected final boolean emptyToNull(JsonParser par) throws IOException {
    JsonToken token = par.getCurrentToken();
    if (token == null) {
        token = par.nextToken();
    }
    return !factory().isStrict() && token == null;
}

From source file:cz.cvut.kbss.jsonld.jackson.deserialization.JacksonJsonLdDeserializer.java

private Object parseJsonObject(JsonParser parser) throws IOException {
    Object value = null;/*from www  . j  a  v  a  2  s.co  m*/
    final JsonToken initialToken = parser.getCurrentToken();
    parser.setCodec(mapper);
    if (initialToken == JsonToken.START_ARRAY) {
        value = parser.readValueAs(new TypeReference<List<?>>() {
        });
    } else if (initialToken == JsonToken.START_OBJECT) {
        value = parser.readValueAs(new TypeReference<Map<?, ?>>() {
        });
    } else if (initialToken == JsonToken.VALUE_STRING) {
        value = parser.readValueAs(String.class);
    } else if (initialToken == JsonToken.VALUE_FALSE || initialToken == JsonToken.VALUE_TRUE) {
        value = parser.readValueAs(Boolean.class);
    } else if (initialToken == JsonToken.VALUE_NUMBER_FLOAT || initialToken == JsonToken.VALUE_NUMBER_INT) {
        value = parser.readValueAs(Number.class);
    } else if (initialToken == JsonToken.VALUE_NULL) {
        value = null;
    }
    return value;
}

From source file:com.wavemaker.commons.json.deserializer.WMLocalDateTimeDeSerializer.java

@Override
public LocalDateTime deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
        throws IOException, JsonProcessingException {
    JsonToken currentToken = jsonParser.getCurrentToken();
    if (currentToken == JsonToken.VALUE_STRING) {
        String value = jsonParser.getText();
        return getLocalDateTime(value);
    }/*from   ww w. j  ava 2  s. c  o m*/
    throw new WMRuntimeException("Not a String value");
}

From source file:com.wavemaker.commons.json.deserializer.WMLocalTimeDeserializer.java

@Override
public LocalTime deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
        throws IOException, JsonProcessingException {
    JsonToken currentToken = jsonParser.getCurrentToken();
    if (currentToken == JsonToken.VALUE_STRING) {
        String value = jsonParser.getText();
        return getLocalDateTime(value);
    }//from   w ww  .ja v a2  s  . c  o m
    throw new WMRuntimeException("Not a String value");
}

From source file:com.tikinou.schedulesdirect.core.jackson.deser.BooleanYNDeserializer.java

@Override
public Boolean deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    JsonToken t = jp.getCurrentToken();
    if (t == JsonToken.VALUE_TRUE) {
        return Boolean.TRUE;
    }/*from  w  ww . j a  va 2 s  . c o  m*/
    if (t == JsonToken.VALUE_FALSE) {
        return Boolean.FALSE;
    }
    if (t == JsonToken.VALUE_NULL) {
        return null;
    }
    if (t == JsonToken.VALUE_NUMBER_INT) {
        return (jp.getIntValue() != 0);
    }
    if (t == JsonToken.VALUE_STRING) {
        String text = jp.getText().trim();
        if ("true".equals(text)) {
            return Boolean.TRUE;
        }
        if ("false".equals(text) || text.length() == 0) {
            return Boolean.FALSE;
        }

        if ("N".equalsIgnoreCase(text) || text.length() == 0) {
            return Boolean.FALSE;
        }

        if ("Y".equalsIgnoreCase(text)) {
            return Boolean.TRUE;
        }
        throw ctxt.weirdStringException(text, Boolean.class, "only \"true\" or \"false\" recognized");
    }
    // Otherwise, no can do:
    throw ctxt.mappingException(Boolean.class);
}

From source file:org.tanrabad.survey.service.json.MultiPolygonTypeConverter.java

private Location getLocation(JsonParser jsonParser) throws IOException {
    Location value3;//from  w ww.java 2s.  c  o  m
    if (jsonParser.getCurrentToken() == JsonToken.START_ARRAY) {
        ArrayList<Double> point = new ArrayList<>();
        while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
            Double coordinate;
            coordinate = jsonParser.getCurrentToken() == JsonToken.VALUE_NULL ? null
                    : jsonParser.getValueAsDouble();
            point.add(coordinate);
        }
        value3 = new Location(point.get(1), point.get(0));
    } else {
        value3 = null;
    }
    return value3;
}

From source file:com.basho.riak.client.raw.http.NamedErlangFunctionDeserializer.java

@Override
public NamedErlangFunction deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    JsonToken token = jp.getCurrentToken();

    if (JsonToken.START_OBJECT.equals(token)) {

        String mod = null;//from w  w w .  ja v a2 s  .co m
        String fun = null;

        while (!JsonToken.END_OBJECT.equals(token)) {
            String field = jp.getCurrentName();

            if (Constants.FL_SCHEMA_FUN_MOD.equals(field)) {
                jp.nextToken();
                mod = jp.getText();
            } else if (Constants.FL_SCHEMA_FUN_FUN.equals(field)) {
                jp.nextToken();
                fun = jp.getText();
            }
            token = jp.nextToken();
        }
        if (mod != null && fun != null) {
            return new NamedErlangFunction(mod, fun);
        } else {
            return null;
        }
    }
    throw ctxt.mappingException(NamedErlangFunction.class);
}