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

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

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Introduction

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

Prototype

@Override
public abstract void close() throws IOException;

Source Link

Document

Closes the parser so that no further iteration or data access can be made; will also close the underlying input source if parser either owns the input source, or feature Feature#AUTO_CLOSE_SOURCE is enabled.

Usage

From source file:com.github.heuermh.personalgenome.client.converter.JacksonPersonalGenomeConverter.java

@Override
public Genome parseGenomes(final InputStream inputStream) {
    checkNotNull(inputStream);//from ww w .j  a v a 2  s  .c o  m
    JsonParser parser = null;
    try {
        parser = jsonFactory.createParser(inputStream);
        parser.nextToken();

        String id = null;
        String values = null;
        while (parser.nextToken() != JsonToken.END_OBJECT) {
            String field = parser.getCurrentName();
            parser.nextToken();

            if ("id".equals(field)) {
                id = parser.getText();
            } else if ("genome".equals(field)) {
                values = parser.getText();
            }
        }
        return new Genome(id, values);
    } catch (IOException e) {
        logger.warn("could not parse genomes", e);
    } finally {
        try {
            inputStream.close();
        } catch (Exception e) {
            // ignored
        }
        try {
            parser.close();
        } catch (Exception e) {
            // ignored
        }
    }
    return null;
}

From source file:org.o3project.ocnrm.odenos.linklayerizer.LinkLayerizerBoundarySet.java

public Map<String, LinklayerizerBoundary> changeJSONBoundariesToBoundaries(String jsonBoundary, String seqNo) {

    logger.info(seqNo + "\t" + "changeJSONBoundariestoBoundaries Start");

    linklayerizerBoundaryMap = new HashMap<String, LinklayerizerBoundary>();
    try {/* w  ww .j  a v a  2s.  c om*/
        JsonFactory factory = new JsonFactory();
        JsonParser jp = factory.createParser(jsonBoundary);
        jp.nextToken();
        while (jp.nextToken() != JsonToken.END_OBJECT) {
            String mapKey = jp.getCurrentName();
            LinklayerizerBoundary llb = new LinklayerizerBoundary();
            jp.nextToken();
            while (jp.nextToken() != JsonToken.END_OBJECT) {
                String fieldname = jp.getCurrentName();
                jp.nextToken();
                if ("boundary_id".equals(fieldname)) {
                    llb.setBoundary_id(jp.getText());
                } else if ("lower_nw".equals(fieldname)) {
                    llb.setLower_nw(jp.getText());
                } else if ("lower_nw_node".equals(fieldname)) {
                    llb.setLower_nw_node(jp.getText());
                } else if ("lower_nw_port".equals(fieldname)) {
                    llb.setLower_nw_port(jp.getText());
                } else if ("upper_nw".equals(fieldname)) {
                    llb.setUpper_nw(jp.getText());
                } else if ("upper_nw_node".equals(fieldname)) {
                    llb.setUpper_nw_node(jp.getText());
                } else if ("upper_nw_port".equals(fieldname)) {
                    llb.setUpper_nw_port(jp.getText());
                } else if ("type".equals(fieldname)) {
                    continue;
                } else {
                    throw new IllegalStateException(seqNo + "\t" + "Unrecognized field '" + fieldname + "'!");
                }
            }
            linklayerizerBoundaryMap.put(mapKey, llb);
        }
        jp.close();
    } catch (JsonParseException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    logger.info(seqNo + "\t" + "changeJSONBoundariestoBoundaries End");
    return linklayerizerBoundaryMap;
}

From source file:com.microsoft.azure.storage.table.CEKReturn.java

/**
 * Reserved for internal use. Parses the operation response as a collection of entities. Reads entity data from the
 * specified input stream using the specified class type and optionally projects each entity result with the
 * specified resolver into an {@link ODataPayload} containing a collection of {@link TableResult} objects.
 * /*from  w ww.j a va  2 s  . c  om*/
 * @param inStream
 *            The <code>InputStream</code> to read the data to parse from.
 * @param clazzType
 *            The class type <code>T</code> implementing {@link TableEntity} for the entities returned. Set to
 *            <code>null</code> to ignore the returned entities and copy only response properties into the
 *            {@link TableResult} objects.
 * @param resolver
 *            An {@link EntityResolver} instance to project the entities into instances of type <code>R</code>. Set
 *            to <code>null</code> to return the entities as instances of the class type <code>T</code>.
 * @param options
 *            A {@link TableRequestOptions} object that specifies execution options such as retry policy and timeout
 *            settings for the operation.
 * @param opContext
 *            An {@link OperationContext} object used to track the execution of the operation.
 * @return
 *         An {@link ODataPayload} containing a collection of {@link TableResult} objects with the parsed operation
 *         response.
 * @throws InstantiationException
 *             if an error occurs while constructing the result.
 * @throws IllegalAccessException
 *             if an error occurs in reflection while parsing the result.
 * @throws StorageException
 *             if a storage service error occurs.
 * @throws IOException
 *             if an error occurs while accessing the stream.
 * @throws JsonParseException
 *             if an error occurs while parsing the stream.
 */
@SuppressWarnings("unchecked")
static <T extends TableEntity, R> ODataPayload<?> parseQueryResponse(final InputStream inStream,
        final TableRequestOptions options, final Class<T> clazzType, final EntityResolver<R> resolver,
        final OperationContext opContext) throws JsonParseException, IOException, InstantiationException,
        IllegalAccessException, StorageException {
    ODataPayload<T> corePayload = null;
    ODataPayload<R> resolvedPayload = null;
    ODataPayload<?> commonPayload = null;

    JsonParser parser = Utility.getJsonParser(inStream);

    try {

        if (resolver != null) {
            resolvedPayload = new ODataPayload<R>();
            commonPayload = resolvedPayload;
        } else {
            corePayload = new ODataPayload<T>();
            commonPayload = corePayload;
        }

        if (!parser.hasCurrentToken()) {
            parser.nextToken();
        }

        JsonUtilities.assertIsStartObjectJsonToken(parser);

        // move into data  
        parser.nextToken();

        // if there is a clazz type and if JsonNoMetadata, create a classProperties dictionary to use for type inference once 
        // instead of querying the cache many times
        HashMap<String, PropertyPair> classProperties = null;
        if (options.getTablePayloadFormat() == TablePayloadFormat.JsonNoMetadata && clazzType != null) {
            classProperties = PropertyPair.generatePropertyPairs(clazzType);
        }

        while (parser.getCurrentToken() != null) {
            if (parser.getCurrentToken() == JsonToken.FIELD_NAME
                    && parser.getCurrentName().equals(ODataConstants.VALUE)) {
                // move to start of array
                parser.nextToken();

                JsonUtilities.assertIsStartArrayJsonToken(parser);

                // go to properties
                parser.nextToken();

                while (parser.getCurrentToken() == JsonToken.START_OBJECT) {
                    final TableResult res = parseJsonEntity(parser, clazzType, classProperties, resolver,
                            options, opContext);
                    if (corePayload != null) {
                        corePayload.tableResults.add(res);
                    }

                    if (resolver != null) {
                        resolvedPayload.results.add((R) res.getResult());
                    } else {
                        corePayload.results.add((T) res.getResult());
                    }

                    parser.nextToken();
                }

                JsonUtilities.assertIsEndArrayJsonToken(parser);
            }

            parser.nextToken();
        }
    } finally {
        parser.close();
    }

    return commonPayload;
}

From source file:net.floodlightcontroller.loadbalancer.MembersResource.java

protected LBMember jsonToMember(String json) throws IOException {
    MappingJsonFactory f = new MappingJsonFactory();
    JsonParser jp;
    LBMember member = new LBMember();

    try {/*from  w  w  w .  j  ava2 s.  co  m*/
        jp = f.createJsonParser(json);
    } catch (JsonParseException e) {
        throw new IOException(e);
    }

    jp.nextToken();
    if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
        throw new IOException("Expected START_OBJECT");
    }

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
            throw new IOException("Expected FIELD_NAME");
        }

        String n = jp.getCurrentName();
        jp.nextToken();
        if (jp.getText().equals(""))
            continue;
        if (n.equals("id")) {
            member.id = jp.getText();
            continue;
        } else if (n.equals("address")) {
            member.address = IPv4.toIPv4Address(jp.getText());
            continue;
        } else if (n.equals("port")) {
            member.port = Short.parseShort(jp.getText());
            continue;
        } else if (n.equals("connection_limit")) {
            member.connectionLimit = Integer.parseInt(jp.getText());
            continue;
        } else if (n.equals("admin_state")) {
            member.adminState = Short.parseShort(jp.getText());
            continue;
        } else if (n.equals("status")) {
            member.status = Short.parseShort(jp.getText());
            continue;
        } else if (n.equals("pool_id")) {
            member.poolId = jp.getText();
            continue;
        }

        log.warn("Unrecognized field {} in " + "parsing Members", jp.getText());
    }
    jp.close();

    return member;
}

From source file:com.amazonaws.http.JsonResponseHandler.java

/**
 * @see com.amazonaws.http.HttpResponseHandler#handle(com.amazonaws.http.HttpResponse)
 *///from ww w. j av  a 2  s .com
public AmazonWebServiceResponse<T> handle(HttpResponse response) throws Exception {
    log.trace("Parsing service response JSON");

    String CRC32Checksum = response.getHeaders().get("x-amz-crc32");
    CRC32ChecksumCalculatingInputStream crc32ChecksumInputStream = null;

    JsonParser jsonParser = null;

    if (!needsConnectionLeftOpen) {
        if (CRC32Checksum != null) {
            crc32ChecksumInputStream = new CRC32ChecksumCalculatingInputStream(response.getContent());
            jsonParser = jsonFactory.createParser(crc32ChecksumInputStream);
        } else {
            jsonParser = jsonFactory.createParser(response.getContent());
        }
    }

    try {
        AmazonWebServiceResponse<T> awsResponse = new AmazonWebServiceResponse<T>();
        JsonUnmarshallerContext unmarshallerContext = new JsonUnmarshallerContext(jsonParser, response);
        registerAdditionalMetadataExpressions(unmarshallerContext);

        T result = responseUnmarshaller.unmarshall(unmarshallerContext);

        if (CRC32Checksum != null) {
            long serverSideCRC = Long.parseLong(CRC32Checksum);
            long clientSideCRC = crc32ChecksumInputStream.getCRC32Checksum();
            if (clientSideCRC != serverSideCRC) {
                throw new CRC32MismatchException(
                        "Client calculated crc32 checksum didn't match that calculated by server side");
            }
        }

        awsResponse.setResult(result);

        Map<String, String> metadata = unmarshallerContext.getMetadata();
        metadata.put(ResponseMetadata.AWS_REQUEST_ID, response.getHeaders().get("x-amzn-RequestId"));
        awsResponse.setResponseMetadata(new ResponseMetadata(metadata));

        log.trace("Done parsing service response");
        return awsResponse;
    } finally {
        if (!needsConnectionLeftOpen) {
            try {
                jsonParser.close();
            } catch (IOException e) {
                log.warn("Error closing json parser", e);
            }
        }
    }
}

From source file:com.amazonaws.client.handler.response.JsonResponseHandler.java

/**
 * @see com.amazonaws.client.handler.response.HttpResponseHandler#handle(com.amazonaws.network.response.HttpResponse)
 *///from  w  ww.  j av a 2 s.c o  m
public AmazonWebServiceResponse<T> handle(HttpResponse response) throws Exception {
    log.trace("Parsing service response JSON");

    String CRC32Checksum = response.getHeaders().get("x-amz-crc32");
    CRC32ChecksumCalculatingInputStream crc32ChecksumInputStream = null;

    JsonParser jsonParser = null;

    if (!needsConnectionLeftOpen) {
        if (CRC32Checksum != null) {
            crc32ChecksumInputStream = new CRC32ChecksumCalculatingInputStream(response.getContent());
            jsonParser = jsonFactory.createParser(crc32ChecksumInputStream);
        } else {
            jsonParser = jsonFactory.createParser(response.getContent());
        }
    }

    try {
        AmazonWebServiceResponse<T> awsResponse = new AmazonWebServiceResponse<T>();
        JsonUnmarshallerContext unmarshallerContext = new JsonUnmarshallerContextImpl(jsonParser, response);
        registerAdditionalMetadataExpressions(unmarshallerContext);

        T result = responseUnmarshaller.unmarshall(unmarshallerContext);

        if (CRC32Checksum != null) {
            long serverSideCRC = Long.parseLong(CRC32Checksum);
            long clientSideCRC = crc32ChecksumInputStream.getCRC32Checksum();
            if (clientSideCRC != serverSideCRC) {
                throw new CRC32MismatchException(
                        "Client calculated crc32 checksum didn't match that calculated by server side");
            }
        }

        awsResponse.setResult(result);

        Map<String, String> metadata = unmarshallerContext.getMetadata();
        metadata.put(ResponseMetadata.AWS_REQUEST_ID, response.getHeaders().get("x-amzn-RequestId"));
        awsResponse.setResponseMetadata(new ResponseMetadata(metadata));

        log.trace("Done parsing service response");
        return awsResponse;
    } finally {
        if (!needsConnectionLeftOpen) {
            try {
                jsonParser.close();
            } catch (IOException e) {
                log.warn("Error closing json parser", e);
            }
        }
    }
}

From source file:com.tlongdev.bktf.interactor.TlongdevPriceListInteractor.java

private int parseJson(InputStream inputStream) throws IOException {
    //Create a parser from the input stream for fast parsing and low impact on memory
    JsonFactory factory = new JsonFactory();
    JsonParser parser = factory.createParser(inputStream);

    Vector<ContentValues> cVVector = new Vector<>();
    int retVal = 0;
    int count = 0;

    //Not a JSON if it doesn't start with START OBJECT
    if (parser.nextToken() != JsonToken.START_OBJECT) {
        return -1;
    }/*from  www  .jav  a2  s .  c om*/

    while (parser.nextToken() != JsonToken.END_OBJECT) {
        String name = parser.getCurrentName();
        parser.nextToken();

        switch (name) {
        case "success":
            if (parser.getIntValue() == 0) {
                retVal = 1;
            }
            break;
        case "message":
            errorMessage = parser.getText();
            break;
        case "count":
            count = parser.getIntValue();
            break;
        case "prices":

            while (parser.nextToken() != JsonToken.END_ARRAY) {
                ContentValues values = buildContentValues(parser);
                cVVector.add(values);
            }

            if (cVVector.size() > 0) {
                ContentValues[] cvArray = new ContentValues[cVVector.size()];
                cVVector.toArray(cvArray);
                //Insert all the data into the database
                rowsInserted = mContext.getContentResolver().bulkInsert(PriceEntry.CONTENT_URI, cvArray);
                Log.v(LOG_TAG, "inserted " + rowsInserted + " rows into prices table");
            }
            break;
        }
    }

    parser.close();

    return retVal;
}

From source file:com.pursuer.reader.easyrss.data.parser.SubscriptionJSONParser.java

public void parse() throws JsonParseException, IOException, IllegalStateException {
    final JsonFactory factory = new JsonFactory();
    final JsonParser parser = factory.createJsonParser(input);
    Subscription sub = new Subscription();
    int level = 0;
    boolean found = false;
    while (parser.nextToken() != null) {
        final String name = parser.getCurrentName();
        switch (parser.getCurrentToken()) {
        case START_OBJECT:
        case START_ARRAY:
            level++;/*w  w w  .  j av  a  2s.com*/
            break;
        case END_OBJECT:
        case END_ARRAY:
            level--;
            break;
        case VALUE_STRING:
            if (level == 3) {
                if ("id".equals(name)) {
                    sub.setUid(parser.getText());
                } else if ("htmlUrl".equals(name)) {
                    sub.setUrl(parser.getText());
                } else if ("title".equals(name)) {
                    sub.setTitle(Html.fromHtml(parser.getText()).toString());
                } else if ("sortid".equals(name)) {
                    sub.setSortId(parser.getText());
                } else if ("firstitemmsec".equals(name)) {
                    sub.setFirstItemMsec(Long.valueOf(parser.getText()));
                }
            } else if (level == 5 && "id".equals(name)) {
                sub.addTag(parser.getText());
            }
            break;
        case FIELD_NAME:
            if (level == 1 && "subscriptions".equals(name)) {
                found = true;
            }
            break;
        default:
        }
        if (level == 2) {
            if (sub.getUid() != null && listener != null) {
                listener.onSubscriptionRetrieved(sub);
            }
            sub = new Subscription();
        }
    }
    parser.close();
    if (!found) {
        throw new IllegalStateException("Invalid JSON input");
    }
}

From source file:com.github.heuermh.personalgenome.client.converter.JacksonPersonalGenomeConverter.java

@Override
public Genotype parseGenotypes(final InputStream inputStream) {
    checkNotNull(inputStream);//from   w  ww  . j  ava2  s.c  o m
    JsonParser parser = null;
    try {
        parser = jsonFactory.createParser(inputStream);
        parser.nextToken();

        String id = null;
        String location = null;
        String interpretation = null;
        Map<String, String> values = new HashMap<String, String>();

        while (parser.nextToken() != JsonToken.END_OBJECT) {
            String field = parser.getCurrentName();
            parser.nextToken();

            if ("id".equals(field)) {
                id = parser.getText();
            } else {
                location = field;
                interpretation = parser.getText();
                values.put(location, interpretation);
            }
        }
        return new Genotype(id, values);
    } catch (IOException e) {
        logger.warn("could not parse genotypes");
    } finally {
        try {
            inputStream.close();
        } catch (Exception e) {
            // ignored
        }
        try {
            parser.close();
        } catch (Exception e) {
            // ignored
        }
    }
    return null;
}