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

List of usage examples for com.fasterxml.jackson.core JsonParser nextToken

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Introduction

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

Prototype

public abstract JsonToken nextToken() throws IOException, JsonParseException;

Source Link

Document

Main iteration method, which will advance stream enough to determine type of the next token, if any.

Usage

From source file:com.msopentech.odatajclient.engine.metadata.edm.ComplexTypeDeserializer.java

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

    final AbstractComplexType complexType = ODataVersion.V3 == client.getWorkingVersion()
            ? new com.msopentech.odatajclient.engine.metadata.edm.v3.ComplexType()
            : new com.msopentech.odatajclient.engine.metadata.edm.v4.ComplexType();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                complexType.setName(jp.nextTextValue());
            } else if ("Abstract".equals(jp.getCurrentName())) {
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.ComplexType) complexType)
                        .setAbstractEntityType(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("BaseType".equals(jp.getCurrentName())) {
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.ComplexType) complexType)
                        .setBaseType(jp.nextTextValue());
            } else if ("OpenType".equals(jp.getCurrentName())) {
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.ComplexType) complexType)
                        .setOpenType(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("Property".equals(jp.getCurrentName())) {
                jp.nextToken();//  w w  w . j  a va2  s.c o  m
                if (complexType instanceof com.msopentech.odatajclient.engine.metadata.edm.v3.ComplexType) {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v3.ComplexType) complexType)
                            .getProperties().add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v3.Property.class));
                } else {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v4.ComplexType) complexType)
                            .getProperties().add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v4.Property.class));
                }
            } else if ("NavigationProperty".equals(jp.getCurrentName())) {
                jp.nextToken();
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.ComplexType) complexType)
                        .getNavigationProperties().add(jp.getCodec().readValue(jp,
                                com.msopentech.odatajclient.engine.metadata.edm.v4.NavigationProperty.class));
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.ComplexType) complexType)
                        .setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return complexType;
}

From source file:com.sdl.odata.unmarshaller.json.core.JsonProcessor.java

/**
 * Process all things that do not contain special ODataTags.
 *
 * @param jsonParser the parser// w  w w .j a  v a 2  s.c  o  m
 * @throws ODataUnmarshallingException If unable to unmarshall
 * @throws IOException If unable to read input parser
 */
private void process(JsonParser jsonParser) throws IOException, ODataUnmarshallingException {
    if (jsonParser.getCurrentToken() == JsonToken.FIELD_NAME) {
        LOG.info("Starting to parse {} token", jsonParser.getCurrentName());
        String key = jsonParser.getCurrentName();
        jsonParser.nextToken();

        JsonToken token = jsonParser.getCurrentToken();
        if (token == JsonToken.START_ARRAY) {
            if (JsonConstants.VALUE.equals(key)) {
                throw new ODataUnmarshallingException("Feed is not supported");
            }
            values.put(key, getCollectionValue(jsonParser));
        } else if (token == JsonToken.START_OBJECT) {
            values.put(key, getEmbeddedObject(jsonParser));
        } else {
            if (token.equals(JsonToken.VALUE_NULL)) {
                values.put(key, null);
            } else {
                values.put(key, jsonParser.getText());
            }
        }
    }
}

From source file:com.sdl.odata.unmarshaller.json.core.JsonProcessor.java

/**
 * Process OData links./*from www  .  ja v  a  2 s .  c  o m*/
 *
 * @param jsonParser the parser
 * @throws IOException If unable to read input parser
 */
private void processLinks(JsonParser jsonParser) throws IOException {

    LOG.info("@odata.bind tag found - start parsing");

    final String fullLinkFieldName = jsonParser.getText();
    final String key = fullLinkFieldName.substring(0, fullLinkFieldName.indexOf(ODATA_BIND));
    JsonToken token = jsonParser.nextToken();
    if (token != JsonToken.START_ARRAY) {
        // Single link
        links.put(key, processLink(jsonParser));
    } else {
        // Array of links
        final List<String> linksList = new ArrayList<>();
        while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
            linksList.add(processLink(jsonParser));
        }
        this.links.put(key, linksList);

    }
}

From source file:org.debezium.core.doc.JacksonReader.java

private Document parseDocument(JsonParser parser, boolean nested) throws IOException {
    // Iterate over the fields in the top-level document ...
    BasicDocument doc = new BasicDocument();
    JsonToken token = null;//  w  ww .j av  a  2  s.c  o m
    if (!nested) {
        // We expect the START_OBJECT token ...
        token = parser.nextToken();
        if (!nested && token != JsonToken.START_OBJECT) {
            throw new IOException("Expected data to start with an Object, but was " + token);
        }
    }
    String fieldName = null;
    token = parser.nextToken();
    while (token != JsonToken.END_OBJECT) {
        switch (token) {
        case FIELD_NAME:
            fieldName = parser.getCurrentName();
            break;
        case START_OBJECT:
            doc.setDocument(fieldName, parseDocument(parser, true));
            break;
        case START_ARRAY:
            doc.setArray(fieldName, parseArray(parser));
            break;
        case VALUE_STRING:
            doc.setString(fieldName, parser.getValueAsString());
            break;
        case VALUE_TRUE:
            doc.setBoolean(fieldName, true);
            break;
        case VALUE_FALSE:
            doc.setBoolean(fieldName, false);
            break;
        case VALUE_NULL:
            doc.setNull(fieldName);
            break;
        case VALUE_NUMBER_FLOAT:
        case VALUE_NUMBER_INT:
            switch (parser.getNumberType()) {
            case FLOAT:
                doc.setNumber(fieldName, parser.getFloatValue());
                break;
            case DOUBLE:
                doc.setNumber(fieldName, parser.getDoubleValue());
                break;
            case BIG_DECIMAL:
                doc.setNumber(fieldName, parser.getDecimalValue());
                break;
            case INT:
                doc.setNumber(fieldName, parser.getIntValue());
                break;
            case LONG:
                doc.setNumber(fieldName, parser.getLongValue());
                break;
            case BIG_INTEGER:
                doc.setNumber(fieldName, parser.getBigIntegerValue());
                break;
            }
            break;
        case VALUE_EMBEDDED_OBJECT:
            // disregard this, since it's an extension ...
            break;
        case NOT_AVAILABLE:
            throw new JsonParseException("Non-blocking parsers are not supported", parser.getCurrentLocation());
        case END_ARRAY:
            throw new JsonParseException("Not expecting an END_ARRAY token", parser.getCurrentLocation());
        case END_OBJECT:
            throw new JsonParseException("Not expecting an END_OBJECT token", parser.getCurrentLocation());
        }
        token = parser.nextToken();
    }
    return doc;
}

From source file:org.oscim.utils.overpass.OverpassAPIReader.java

private void parseNode(JsonParser jp) throws JsonParseException, IOException {

    long id = 0;//  w w w  .  ja v  a2s .c  o  m
    double lat = 0, lon = 0;
    TagSet tags = null;

    while (jp.nextToken() != JsonToken.END_OBJECT) {

        String name = jp.getCurrentName();
        jp.nextToken();

        if ("id".equals(name))
            id = jp.getLongValue();

        else if ("lat".equals(name))
            lat = jp.getDoubleValue();

        else if ("lon".equals(name))
            lon = jp.getDoubleValue();

        else if ("tags".equals(name))
            tags = parseTags(jp);

    }

    // log("node: "+id + " "+ lat + " " + lon);
    OsmNode node = new OsmNode(lat, lon, tags, id);
    ownNodes.add(node);
    nodesById.put(Long.valueOf(id), node);
}

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.ComplexTypeDeserializer.java

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

    final AbstractComplexType complexType = ODataVersion.V3 == client.getWorkingVersion()
            ? new com.msopentech.odatajclient.engine.data.metadata.edm.v3.ComplexType()
            : new com.msopentech.odatajclient.engine.data.metadata.edm.v4.ComplexType();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                complexType.setName(jp.nextTextValue());
            } else if ("Abstract".equals(jp.getCurrentName())) {
                ((com.msopentech.odatajclient.engine.data.metadata.edm.v4.ComplexType) complexType)
                        .setAbstractEntityType(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("BaseType".equals(jp.getCurrentName())) {
                ((com.msopentech.odatajclient.engine.data.metadata.edm.v4.ComplexType) complexType)
                        .setBaseType(jp.nextTextValue());
            } else if ("OpenType".equals(jp.getCurrentName())) {
                ((com.msopentech.odatajclient.engine.data.metadata.edm.v4.ComplexType) complexType)
                        .setOpenType(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("Property".equals(jp.getCurrentName())) {
                jp.nextToken();/*  ww  w. j  a va2  s  . c  o  m*/
                if (complexType instanceof com.msopentech.odatajclient.engine.data.metadata.edm.v3.ComplexType) {
                    ((com.msopentech.odatajclient.engine.data.metadata.edm.v3.ComplexType) complexType)
                            .getProperties().add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.data.metadata.edm.v3.Property.class));
                } else {
                    ((com.msopentech.odatajclient.engine.data.metadata.edm.v4.ComplexType) complexType)
                            .getProperties().add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.data.metadata.edm.v4.Property.class));
                }
            } else if ("NavigationProperty".equals(jp.getCurrentName())) {
                jp.nextToken();
                ((com.msopentech.odatajclient.engine.data.metadata.edm.v4.ComplexType) complexType)
                        .getNavigationProperties().add(jp.getCodec().readValue(jp,
                                com.msopentech.odatajclient.engine.data.metadata.edm.v4.NavigationProperty.class));
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                ((com.msopentech.odatajclient.engine.data.metadata.edm.v4.ComplexType) complexType)
                        .setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return complexType;
}

From source file:com.msopentech.odatajclient.engine.metadata.edm.EntityTypeDeserializer.java

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

    final AbstractEntityType entityType = ODataVersion.V3 == client.getWorkingVersion()
            ? new com.msopentech.odatajclient.engine.metadata.edm.v3.EntityType()
            : new com.msopentech.odatajclient.engine.metadata.edm.v4.EntityType();

    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.setAbstractEntityType(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();/*from w w  w . j a va2s  .co  m*/
                entityType.setKey(jp.getCodec().readValue(jp, EntityKey.class));
            } else if ("Property".equals(jp.getCurrentName())) {
                jp.nextToken();
                if (entityType instanceof com.msopentech.odatajclient.engine.metadata.edm.v3.EntityType) {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v3.EntityType) entityType).getProperties()
                            .add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v3.Property.class));
                } else {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v4.EntityType) entityType).getProperties()
                            .add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v4.Property.class));
                }
            } else if ("NavigationProperty".equals(jp.getCurrentName())) {
                jp.nextToken();
                if (entityType instanceof com.msopentech.odatajclient.engine.metadata.edm.v3.EntityType) {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v3.EntityType) entityType)
                            .getNavigationProperties().add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v3.NavigationProperty.class));
                } else {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v4.EntityType) entityType)
                            .getNavigationProperties().add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v4.NavigationProperty.class));
                }
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.EntityType) entityType)
                        .setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return entityType;
}

From source file:org.springframework.security.oauth2.common.OAuth2AccessTokenJackson2Deserializer.java

@Override
public OAuth2AccessToken deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    String tokenValue = null;/*from   ww  w .  j  a  v a2s .c om*/
    String tokenType = null;
    String refreshToken = null;
    Long expiresIn = null;
    Set<String> scope = null;
    Map<String, Object> additionalInformation = new LinkedHashMap<String, Object>();

    // TODO What should occur if a parameter exists twice
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String name = jp.getCurrentName();
        jp.nextToken();
        if (OAuth2AccessToken.ACCESS_TOKEN.equals(name)) {
            tokenValue = jp.getText();
        } else if (OAuth2AccessToken.TOKEN_TYPE.equals(name)) {
            tokenType = jp.getText();
        } else if (OAuth2AccessToken.REFRESH_TOKEN.equals(name)) {
            refreshToken = jp.getText();
        } else if (OAuth2AccessToken.EXPIRES_IN.equals(name)) {
            try {
                expiresIn = jp.getLongValue();
            } catch (JsonParseException e) {
                expiresIn = Long.valueOf(jp.getText());
            }
        } else if (OAuth2AccessToken.SCOPE.equals(name)) {
            String text = jp.getText();
            scope = OAuth2Utils.parseParameterList(text);
        } else {
            additionalInformation.put(name, jp.readValueAs(Object.class));
        }
    }

    // TODO What should occur if a required parameter (tokenValue or tokenType) is missing?

    DefaultOAuth2AccessToken accessToken = new DefaultOAuth2AccessToken(tokenValue);
    accessToken.setTokenType(tokenType);
    if (expiresIn != null) {
        accessToken.setExpiration(new Date(System.currentTimeMillis() + (expiresIn * 1000)));
    }
    if (refreshToken != null) {
        accessToken.setRefreshToken(new DefaultOAuth2RefreshToken(refreshToken));
    }
    accessToken.setScope(scope);
    accessToken.setAdditionalInformation(additionalInformation);

    return accessToken;
}

From source file:net.opentsdb.utils.TestJSON.java

/** Helper to parse an input stream into a map */
private HashMap<String, String> parseToMap(final JsonParser jp) throws Exception {
    HashMap<String, String> map = new HashMap<String, String>();
    String field = "";
    String value;/*w  ww  .ja v  a2  s  .co m*/
    while (jp.nextToken() != null) {
        if (jp.getCurrentToken() == JsonToken.FIELD_NAME && jp.getCurrentName() != null) {
            field = jp.getCurrentName();
        } else if (jp.getCurrentToken() == JsonToken.VALUE_STRING) {
            value = jp.getText();
            map.put(field, value);
        }
    }
    return map;
}

From source file:de.alexkamp.sandbox.ChrootSandbox.java

@Override
public void run() {
    try {/*w  w  w  .  ja  va 2  s  .  c o  m*/
        JsonParser parser = factory.createParser(socket.getInputStream());

        String caller = null;
        String channel = null;
        String message = null;
        JsonToken jt = null;
        while (null != (jt = parser.nextToken())) {
            if (jt.isStructStart()) {
                caller = null;
                channel = null;
                message = null;
            } else if (jt.isStructEnd()) {
                try {
                    handle(caller, channel, message);
                } catch (Exception ex) {
                    handleAsyncError(ex);
                }
            } else {
                String name = parser.getCurrentName();
                parser.nextToken();
                switch (name) {
                case "Caller":
                    caller = parser.getText();
                    break;
                case "Channel":
                    channel = parser.getText();
                    break;
                case "Message":
                    message = parser.getText();
                    break;
                }
            }
        }

    } catch (Exception e) {
        handleAsyncError(e);
    }
}