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:org.zalando.logbook.JsonHttpLogFormatter.java

private String compactJson(final String json) throws IOException {
    if (isAlreadyCompacted(json)) {
        return json;
    }//from w  w w  . j  av a 2  s .c  o  m

    final StringWriter output = new StringWriter();
    final JsonFactory factory = mapper.getFactory();
    final JsonParser parser = factory.createParser(json);

    final JsonGenerator generator = factory.createGenerator(output);

    // https://github.com/jacoco/jacoco/wiki/FilteringOptions
    //noinspection TryFinallyCanBeTryWithResources - jacoco can't handle try-with correctly
    try {
        while (parser.nextToken() != null) {
            generator.copyCurrentEvent(parser);
        }
    } finally {
        generator.close();
    }

    return output.toString();
}

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

public void parse(InputStream in) throws IOException {
    JsonFactory jsonFactory = new JsonFactory();
    try {/*from   w w  w  .j a  v  a  2s  .  c  o m*/
        JsonParser jp = jsonFactory.createJsonParser(in);

        JsonToken t;
        while ((t = jp.nextToken()) != null) {
            if (t == JsonToken.START_OBJECT) {
                jp.nextToken();

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

                if ("type".equals(name)) {
                    String type = jp.getText();

                    if ("node".equals(type))
                        parseNode(jp);

                    else if ("way".equals(type))
                        parseWay(jp);

                    else if ("relation".equals(type))
                        parseRelation(jp);
                }
            }
        }
    } catch (JsonParseException e) {
        e.printStackTrace();
    }
}

From source file:org.emfjson.jackson.streaming.StreamReader.java

@SuppressWarnings("unchecked")
protected JsonToken parseEntry(JsonParser parser, EReference reference, EObject owner) throws IOException {

    EList<EObject> values = null;//from   w w w.  ja v a 2s  . c  o m
    if (reference.isMany()) {
        values = (EList<EObject>) owner.eGet(reference);
    }

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

        if (reference.isMany() && values != null) {
            values.add(createEntry(field, value));
        } else {
            owner.eSet(reference, createEntry(field, value));
        }
    }

    return parser.getCurrentToken();
}

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

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

    final AbstractEntitySet entitySet = ODataVersion.V3 == client.getWorkingVersion()
            ? new com.msopentech.odatajclient.engine.metadata.edm.v3.EntitySet()
            : new com.msopentech.odatajclient.engine.metadata.edm.v4.EntitySet();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                entitySet.setName(jp.nextTextValue());
            } else if ("EntityType".equals(jp.getCurrentName())) {
                entitySet.setEntityType(jp.nextTextValue());
            } else if ("IncludeInServiceDocument".equals(jp.getCurrentName())) {
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.EntitySet) entitySet)
                        .setIncludeInServiceDocument(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("NavigationPropertyBinding".equals(jp.getCurrentName())) {
                jp.nextToken();//w w  w.ja  va2 s . c  o  m
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.EntitySet) entitySet)
                        .getNavigationPropertyBindings()
                        .add(jp.getCodec().readValue(jp, NavigationPropertyBinding.class));
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.EntitySet) entitySet)
                        .setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return entitySet;
}

From source file:com.github.fabioticconi.roguelite.systems.BootstrapSystem.java

public void loadBody(final String filename, final EntityEdit edit) throws IOException {
    final YAMLFactory factory = new YAMLFactory();
    final JsonParser parser = factory.createParser(new File(filename));

    int str = 0, agi = 0, con = 0, skin = 0, sight = 0;
    boolean herbivore = false, carnivore = false;

    parser.nextToken(); // START_OBJECT

    while (parser.nextToken() != null) {
        final String name = parser.getCurrentName();

        if (name == null)
            break;

        parser.nextToken(); // get in value

        System.out.println(name);

        if (name.equals("strength")) {
            str = parser.getIntValue();//from  w  w  w  .  j a v a 2s .  c  o  m
            edit.create(Strength.class).value = Util.ensureRange(str, -2, 2);
        } else if (name.equals("agility")) {
            agi = parser.getIntValue();
            edit.create(Agility.class).value = Util.ensureRange(agi, -2, 2);
        } else if (name.equals("constitution")) {
            con = parser.getIntValue();
            edit.create(Constitution.class).value = Util.ensureRange(con, -2, 2);
        } else if (name.equals("skin")) {
            skin = parser.getIntValue();
            edit.create(Skin.class).value = Util.ensureRange(skin, -2, 2);
        } else if (name.equals("sight")) {
            sight = parser.getIntValue();
            edit.create(Sight.class).value = Util.ensureRange(sight, 1, 18);
        } else if (name.equals("herbivore")) {
            herbivore = parser.getBooleanValue();

            if (herbivore)
                edit.create(Herbivore.class);
        } else if (name.equals("carnivore")) {
            carnivore = parser.getBooleanValue();

            if (carnivore)
                edit.create(Carnivore.class);
        }
    }

    // TODO check if neither herbivore nor carnivore? player is currently as such, for testing

    // Secondary Attributes
    final int size = Math.round((con - agi) / 2f);
    edit.create(Size.class).value = size;
    edit.create(Stamina.class).value = 5 + str + con;
    edit.create(Speed.class).value = (con - str - agi + 6) / 12f;

    // Tertiary Attributes
    edit.create(Hunger.class).value = (size / 2f) + 2f;
}

From source file:com.adobe.communities.ugc.migration.importer.MessagesImportServlet.java

protected void doPost(final SlingHttpServletRequest request, final SlingHttpServletResponse response)
        throws ServletException, IOException {

    final ResourceResolver resolver = request.getResourceResolver();

    UGCImportHelper.checkUserPrivileges(resolver, rrf);

    // first check to see if the caller provided an explicit selector for our MessagingOperationsService
    final RequestParameter serviceSelector = request.getRequestParameter("serviceSelector");
    // if no serviceSelector parameter was provided, we'll try going with whatever we get through the Reference
    if (null != serviceSelector && !serviceSelector.getString().equals("")) {
        // make sure the messagingServiceTracker was created by the activate method
        if (null == messagingServiceTracker) {
            throw new ServletException("Cannot use messagingServiceTracker");
        }//from  w w w.  java 2 s . c  om
        // search for the MessagingOperationsService corresponding to the provided selector
        messagingService = messagingServiceTracker.getService(serviceSelector.getString());
        if (null == messagingService) {
            throw new ServletException(
                    "MessagingOperationsService for selector " + serviceSelector.getString() + "was not found");
        }
    }
    // finally get the uploaded file
    final RequestParameter[] fileRequestParameters = request.getRequestParameters("file");
    if (fileRequestParameters != null && fileRequestParameters.length > 0
            && !fileRequestParameters[0].isFormField()) {

        final Map<String, Object> messageModifiers = new HashMap<String, Object>();
        if (fileRequestParameters[0].getFileName().endsWith(".json")) {
            // if upload is a single json file...
            final InputStream inputStream = fileRequestParameters[0].getInputStream();
            final JsonParser jsonParser = new JsonFactory().createParser(inputStream);
            jsonParser.nextToken(); // get the first token
            importMessages(request, jsonParser, messageModifiers);
        } else if (fileRequestParameters[0].getFileName().endsWith(".zip")) {
            ZipInputStream zipInputStream;
            try {
                zipInputStream = new ZipInputStream(fileRequestParameters[0].getInputStream());
            } catch (IOException e) {
                throw new ServletException("Could not open zip archive");
            }
            ZipEntry zipEntry = zipInputStream.getNextEntry();
            while (zipEntry != null) {
                final JsonParser jsonParser = new JsonFactory().createParser(zipInputStream);
                jsonParser.nextToken(); // get the first token
                importMessages(request, jsonParser, messageModifiers);
                zipInputStream.closeEntry();
                zipEntry = zipInputStream.getNextEntry();
            }
            zipInputStream.close();
        } else {
            throw new ServletException("Unrecognized file input type");
        }
        if (!messageModifiers.isEmpty()) {
            try {
                Thread.sleep(3000); //wait 3 seconds to allow the messages to be indexed by solr for search
            } catch (final InterruptedException e) {
                // do nothing.
            }
            updateMessageDetails(request, messageModifiers);
        }
    } else {
        throw new ServletException("No file provided for UGC data");
    }
}

From source file:com.netflix.hollow.jsonadapter.discover.HollowJsonAdapterSchemaDiscoverer.java

@Override
protected int processRecord(JsonParser parser) throws IOException {
    if (isDebug)//from  w  w w  .j a va2  s.co m
        System.out.println("\nProcessRecord: " + typeName);
    final HollowDiscoveredSchema schema = discoveredSchema(typeName, DiscoveredSchemaType.OBJECT, null);
    parser.nextToken();
    discoverSchemas(parser, schema);
    return -1;
}

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

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

    final AbstractEnumType enumType = ODataVersion.V3 == client.getWorkingVersion()
            ? new com.msopentech.odatajclient.engine.metadata.edm.v3.EnumType()
            : new com.msopentech.odatajclient.engine.metadata.edm.v4.EnumType();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                enumType.setName(jp.nextTextValue());
            } else if ("UnderlyingType".equals(jp.getCurrentName())) {
                enumType.setUnderlyingType(jp.nextTextValue());
            } else if ("IsFlags".equals(jp.getCurrentName())) {
                enumType.setFlags(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("Member".equals(jp.getCurrentName())) {
                jp.nextToken();// w w  w. j a  v a  2  s . c om
                if (enumType instanceof com.msopentech.odatajclient.engine.metadata.edm.v3.EnumType) {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v3.EnumType) enumType).getMembers()
                            .add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v3.Member.class));
                } else {
                    ((com.msopentech.odatajclient.engine.metadata.edm.v4.EnumType) enumType).getMembers()
                            .add(jp.getCodec().readValue(jp,
                                    com.msopentech.odatajclient.engine.metadata.edm.v4.Member.class));
                }
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                ((com.msopentech.odatajclient.engine.metadata.edm.v4.EnumType) enumType)
                        .setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return enumType;
}

From source file:data.DefaultExchanger.java

private void importSequence(String dbName, JsonParser parser, JdbcTemplate jdbcTemplate) throws IOException {
    if (hasSequence()) {
        JsonToken fieldNameToken = parser.nextToken();
        if (fieldNameToken == JsonToken.FIELD_NAME) {
            String fieldName = parser.getCurrentName();
            if (fieldName.equalsIgnoreCase(sequenceName())) {
                JsonToken current = parser.nextToken();
                if (current == JsonToken.VALUE_NUMBER_INT) {
                    long sequenceValue = parser.getNumberValue().longValue();
                    if (dbName.equals("MySQL")) {
                        jdbcTemplate// w  w  w .ja  v  a  2  s.c  o  m
                                .execute("ALTER TABLE " + getTable() + " AUTO_INCREMENT = " + sequenceValue);
                    } else if (dbName.equals("H2")) {
                        jdbcTemplate
                                .execute("ALTER SEQUENCE " + sequenceName() + " RESTART WITH " + sequenceValue);
                    }
                }
            }
        }
        play.Logger.info("imported sequence {{}}", sequenceName());
    }
}

From source file:io.protostuff.JsonInput.java

private <T> int readFieldNumber(final Schema<T> schema, final JsonParser parser) throws IOException {
    for (;;) {//from   w ww .  j  a v a2  s  .  c  o  m
        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
        if (parser.nextToken() == 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
                while (VALUE_NULL == (jt = parser.nextToken()))
                    ;

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

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

            if (number == 0) {
                // unknown field
                if (parser.getCurrentToken().isScalarValue()) {
                    // skip the scalar elements
                    while (parser.nextToken() != END_ARRAY)
                        ;

                    continue;
                }

                throw new JsonInputException(
                        "Unknown field: " + name + " on message " + schema.messageFullName());
            }

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

            return number;
        }

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

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

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

            throw new JsonInputException("Unknown field: " + name + " on message " + schema.messageFullName());
        }

        lastName = name;
        lastNumber = number;

        return number;
    }
}