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

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

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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:org.springframework.data.couchbase.core.convert.translation.JacksonTranslationService.java

/**
 * Decode a JSON string into the {@link CouchbaseStorable} structure.
 *
 * @param source the source formatted document.
 * @param target the target of the populated data.
 *
 * @return the decoded structure.//  w w w. jav a 2s .c o  m
 */
@Override
public final CouchbaseStorable decode(final Object source, final CouchbaseStorable target) {
    try {
        JsonParser parser = factory.createParser((String) source);
        while (parser.nextToken() != null) {
            JsonToken currentToken = parser.getCurrentToken();

            if (currentToken == JsonToken.START_OBJECT) {
                return decodeObject(parser, (CouchbaseDocument) target);
            } else if (currentToken == JsonToken.START_ARRAY) {
                return decodeArray(parser, new CouchbaseList());
            } else {
                throw new MappingException("JSON to decode needs to start as array or object!");
            }
        }
        parser.close();
    } catch (IOException ex) {
        throw new RuntimeException("Could not decode JSON", ex);
    }
    return target;
}

From source file:no.ssb.jsonstat.v2.deser.DimensionDeserializer.java

@Override
public Dimension.Builder deserialize(JsonParser p, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    // Get the name first.
    String name = parseName(p, ctxt);

    if (p.getCurrentToken() == JsonToken.START_OBJECT) {
        p.nextToken();//from  ww  w  .  j a va 2s.com
    }

    Dimension.Builder dimension;
    dimension = Dimension.create(name);

    while (p.nextValue() != JsonToken.END_OBJECT) {
        switch (p.getCurrentName()) {
        case "category":
            parseCategory(dimension, p, ctxt);
            break;
        case "label":
            dimension.withLabel(parseLabel(p, ctxt));
            break;
        default:
            ctxt.handleUnknownProperty(p, this, Dimension.Builder.class, p.getCurrentName());
            break;
        }
    }

    return dimension;
}

From source file:no.ssb.jsonstat.v2.deser.DatasetDeserializer.java

@Override
public DatasetBuildable deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
    if (p.getCurrentToken() == JsonToken.START_OBJECT) {
        p.nextToken();/*from w  w  w. ja v  a2s  . c o  m*/
    }

    Set<String> ids = Collections.emptySet();
    List<Integer> sizes = Collections.emptyList();
    Multimap<String, String> roles = ArrayListMultimap.create();
    Map<String, Dimension.Builder> dims = Collections.emptyMap();
    List<Number> values = Collections.emptyList();

    DatasetBuilder builder = Dataset.create();
    Optional<String> version = Optional.empty();
    Optional<String> clazz = Optional.empty();
    Optional<ObjectNode> extension = Optional.empty();

    while (p.nextValue() != JsonToken.END_OBJECT) {
        switch (p.getCurrentName()) {
        case "label":
            builder.withLabel(_parseString(p, ctxt));
            break;
        case "source":
            builder.withSource(_parseString(p, ctxt));
            break;
        case "href":
            break;
        case "updated":
            Instant updated = parseEcmaDate(_parseString(p, ctxt));
            builder.updatedAt(updated);
            break;
        case "value":
            values = parseValues(p, ctxt);
            break;
        case "dimension":
            if (!version.orElse("1.x").equals("2.0")) {
                dims = Maps.newHashMap();
                // Deal with the id, size and role inside dimension.
                while (p.nextValue() != JsonToken.END_OBJECT) {
                    switch (p.getCurrentName()) {
                    case "id":
                        ids = p.readValueAs(ID_SET);
                        break;
                    case "size":
                        sizes = p.readValueAs(SIZE_LIST);
                        break;
                    case "role":
                        roles = p.readValueAs(ROLE_MULTIMAP);
                        break;
                    default:
                        dims.put(p.getCurrentName(), ctxt.readValue(p, Dimension.Builder.class));
                    }
                }
            } else {
                dims = p.readValueAs(DIMENSION_MAP);
            }
            break;
        case "id":
            ids = p.readValueAs(ID_SET);
            break;
        case "size":
            sizes = p.readValueAs(SIZE_LIST);
            break;
        case "role":
            roles = p.readValueAs(ROLE_MULTIMAP);
            break;
        case "extension":
            extension = Optional.of(ctxt.readValue(p, ObjectNode.class));
            break;
        case "link":
        case "status":
            // TODO
            p.skipChildren();
            break;
        case "version":
            version = Optional.of(_parseString(p, ctxt));
            break;
        case "class":
            // TODO
            clazz = Optional.of(_parseString(p, ctxt));
            break;
        default:
            boolean handled = ctxt.handleUnknownProperty(p, this, Dimension.Builder.class, p.getCurrentName());
            if (!handled)
                p.skipChildren();
            break;
        }
    }

    // Setup roles
    for (Map.Entry<String, String> dimRole : roles.entries()) {
        Dimension.Roles role = Dimension.Roles.valueOf(dimRole.getKey().toUpperCase());
        Dimension.Builder dimension = checkNotNull(dims.get(dimRole.getValue()),
                "could not assign the role {} to the dimension {}. The dimension did not exist", role,
                dimRole.getValue()

        );
        dimension.withRole(role);
    }

    List<Dimension.Builder> orderedDimensions = Lists.newArrayList();
    for (String dimensionName : ids) {
        orderedDimensions.add(dims.get(dimensionName));
    }

    // TODO: Check size?

    // Check ids and add to the data set.
    checkArgument(ids.size() == dims.size(), "dimension and size did not match");

    if (extension.isPresent()) {
        builder.withExtension(extension.get());
    }

    return builder.withDimensions(orderedDimensions).withValues(values);
}

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 {/*w  w  w . j ava 2s  .c om*/
        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.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++;/* ww w  .  j ava  2  s .  c o  m*/
            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.sdl.odata.renderer.json.writer.JsonPropertyWriterTest.java

private List<Object> getJsonArray(JsonParser jsonParser) throws IOException {
    List<Object> objects = new ArrayList<>();
    while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
        if (jsonParser.getCurrentToken() == JsonToken.START_OBJECT) {
            Map<String, String> jsonObject = getJsonObject(jsonParser);
            objects.add(jsonObject);//from  w  w  w. ja  v a  2 s.c  o m
        } else {
            objects.add(jsonParser.getText());
        }
    }
    return objects;
}

From source file:io.pdef.json.JsonJacksonFormat.java

private List<?> readArray(final JsonParser parser) throws IOException {
    JsonToken current = parser.getCurrentToken();
    if (current != JsonToken.START_ARRAY) {
        throw new JsonFormatException("Bad JSON string, failed to read an array");
    }/*  ww w  . j a  v a 2 s .  c o  m*/

    List<Object> list = new ArrayList<Object>();
    while (true) {
        JsonToken next = parser.nextToken();
        if (next == null) {
            throw new JsonFormatException("End of file");
        } else if (next == JsonToken.END_ARRAY) {
            break;
        }

        Object element = read(parser);
        list.add(element);
    }

    return list;
}

From source file:de.konqi.fitapi.auth.PublicKeysManager.java

/**
 * Forces a refresh of the public certificates downloaded from {@link #getPublicCertsEncodedUrl}.
 *
 * <p>/*from  www  . ja  v  a2  s  . c o m*/
 * This method is automatically called from {@link #getPublicKeys()} if the public keys have not
 * yet been initialized or if the expiration time is very close, so normally this doesn't need to
 * be called. Only call this method to explicitly force the public keys to be updated.
 * </p>
 */
public PublicKeysManager refresh() throws GeneralSecurityException, IOException {
    lock.lock();
    try {
        publicKeys = new ArrayList<PublicKey>();
        // HTTP request to public endpoint
        CertificateFactory factory = SecurityUtils.getX509CertificateFactory();
        HttpResponse certsResponse = transport.createRequestFactory()
                .buildGetRequest(new GenericUrl(publicCertsEncodedUrl)).execute();
        expirationTimeMilliseconds = clock.currentTimeMillis()
                + getCacheTimeInSec(certsResponse.getHeaders()) * 1000;
        // parse each public key in the JSON response
        JsonParser parser = jsonFactory.createJsonParser(certsResponse.getContent());
        JsonToken currentToken = parser.getCurrentToken();
        // token is null at start, so get next token
        if (currentToken == null) {
            currentToken = parser.nextToken();
        }
        Preconditions.checkArgument(currentToken == JsonToken.START_OBJECT);
        try {
            while (parser.nextToken() != JsonToken.END_OBJECT) {
                parser.nextToken();
                String certValue = parser.getText();
                X509Certificate x509Cert = (X509Certificate) factory
                        .generateCertificate(new ByteArrayInputStream(StringUtils.getBytesUtf8(certValue)));
                publicKeys.add(x509Cert.getPublicKey());
            }
            publicKeys = Collections.unmodifiableList(publicKeys);
        } finally {
            parser.close();
        }
        return this;
    } finally {
        lock.unlock();
    }
}

From source file:io.pdef.json.JsonJacksonFormat.java

private Map<String, Object> readMap(final JsonParser parser) throws IOException {
    JsonToken current = parser.getCurrentToken();
    if (current != JsonToken.START_OBJECT) {
        throw new JsonFormatException("Bad JSON string, failed to read an object");
    }//from  w ww  . j a va 2 s.c o m

    Map<String, Object> map = new LinkedHashMap<String, Object>();
    while (true) {
        JsonToken next = parser.nextToken();
        if (next == null) {
            throw new JsonFormatException("End of file");
        } else if (next == JsonToken.END_OBJECT) {
            break;
        } else if (next != JsonToken.FIELD_NAME) {
            throw new JsonFormatException("Failed to read a field name from " + next);
        }

        String field = parser.getCurrentName();
        parser.nextToken();
        Object value = read(parser);
        map.put(field, value);
    }

    return map;
}

From source file:io.pdef.json.JsonJacksonFormat.java

private Object read(final JsonParser parser) throws IOException {
    JsonToken current = parser.getCurrentToken();
    if (current == null || current == JsonToken.VALUE_NULL) {
        return null;
    }/*from   ww w . j a va 2  s  .  c o  m*/

    switch (current) {
    case VALUE_NULL:
        return null;
    case VALUE_TRUE:
        return true;
    case VALUE_FALSE:
        return false;
    case VALUE_STRING:
        return parser.getValueAsString();
    case VALUE_NUMBER_INT:
    case VALUE_NUMBER_FLOAT:
        return parser.getNumberValue();
    case START_ARRAY:
        return readArray(parser);
    case START_OBJECT:
        return readMap(parser);
    default:
        throw new JsonFormatException("Bad JSON string");
    }
}