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

Introduction

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

Prototype

public abstract String getCurrentName() throws IOException, JsonParseException;

Source Link

Document

Method that can be called to get the name associated with the current token: for JsonToken#FIELD_NAME s it will be the same as what #getText returns; for field values it will be preceding field name; and for others (array values, root-level values) null.

Usage

From source file:com.sdl.odata.unmarshaller.json.JsonLinkUnmarshaller.java

@Override
protected String getToEntityId(ODataRequestContext requestContext) throws ODataUnmarshallingException {
    // The body is expected to contain a single entity reference
    // See OData JSON specification chapter 13

    String bodyText;/*www.jav a  2  s .  c om*/
    try {
        bodyText = requestContext.getRequest().getBodyText(StandardCharsets.UTF_8.name());
    } catch (UnsupportedEncodingException e) {
        throw new ODataSystemException("UTF-8 is not supported", e);
    }

    String idValue = null;
    try {
        JsonParser parser = new JsonFactory().createParser(bodyText);
        while (idValue == null && !parser.isClosed()) {
            JsonToken token = parser.nextToken();
            if (token == null) {
                break;
            }

            if (token.equals(JsonToken.FIELD_NAME) && parser.getCurrentName().equals(JsonConstants.ID)) {
                token = parser.nextToken();
                if (token.equals(JsonToken.VALUE_STRING)) {
                    idValue = parser.getText();
                }
            }
        }
    } catch (IOException e) {
        throw new ODataUnmarshallingException("Error while parsing JSON data", e);
    }

    if (isNullOrEmpty(idValue)) {
        throw new ODataUnmarshallingException("The JSON object in the body has no '@odata.id' value,"
                + " or the value is empty. The JSON object in the body must have an '@odata.id' value"
                + " that refers to the entity to link to.");
    }

    return idValue;
}

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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   ww w.j av  a 2s  .c  o  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);
}

---

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

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

    final ResourceResolver resolver = request.getResourceResolver();

    UGCImportHelper.checkUserPrivileges(resolver, rrf);

    final UGCImportHelper importHelper = new UGCImportHelper();
    importHelper.setForumOperations(forumOperations);
    importHelper.setTallyService(tallyOperationsService);
    // get the forum we'll be adding new topics to
    final String path = request.getRequestParameter("path").getString();
    final Resource resource = request.getResourceResolver().getResource(path);
    if (resource == null) {
        throw new ServletException("Could not find a valid resource for import");
    }//  w ww  .j av a 2 s.  c o  m

    // finally get the uploaded file
    final RequestParameter[] fileRequestParameters = request.getRequestParameters("file");
    if (fileRequestParameters != null && fileRequestParameters.length > 0
            && !fileRequestParameters[0].isFormField()) {

        InputStream inputStream = fileRequestParameters[0].getInputStream();
        JsonParser jsonParser = new JsonFactory().createParser(inputStream);
        jsonParser.nextToken(); // get the first token

        if (jsonParser.getCurrentToken().equals(JsonToken.START_OBJECT)) {
            jsonParser.nextToken();
            if (jsonParser.getCurrentName().equals(ContentTypeDefinitions.LABEL_CONTENT_TYPE)) {
                jsonParser.nextToken();
                final String contentType = jsonParser.getValueAsString();
                if (contentType.equals(getContentType())) {
                    jsonParser.nextToken(); // content
                    if (jsonParser.getCurrentName().equals(ContentTypeDefinitions.LABEL_CONTENT)) {
                        jsonParser.nextToken(); // startObject
                        if (jsonParser.getCurrentToken().equals(JsonToken.START_OBJECT)) {
                            JsonToken token = jsonParser.nextToken(); // social:key
                            try {
                                while (!token.equals(JsonToken.END_OBJECT)) {
                                    importHelper.extractTopic(jsonParser, resource,
                                            resource.getResourceResolver(), getOperationsService());
                                    token = jsonParser.nextToken();
                                }
                            } catch (final IOException e) {
                                throw new ServletException("Encountered an IOException", e);
                            }
                        } else {
                            throw new ServletException("Start object token not found for content");
                        }
                    } else {
                        throw new ServletException("Content not found");
                    }
                } else {
                    throw new ServletException("Expected forum data");
                }
            } else {
                throw new ServletException("Content Type not specified");
            }
        } else {
            throw new ServletException("Invalid Json format");
        }
    }
}

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

protected static void getAttachments(final JsonParser jsonParser, final List attachments) throws IOException {

    JsonToken token = jsonParser.nextToken(); // skip START_ARRAY token
    String filename;// w ww.j av a 2s.c  o m
    String mimeType;
    InputStream inputStream;
    while (token.equals(JsonToken.START_OBJECT)) {
        filename = null;
        mimeType = null;
        inputStream = null;
        byte[] databytes = null;
        token = jsonParser.nextToken();
        while (!token.equals(JsonToken.END_OBJECT)) {
            final String label = jsonParser.getCurrentName();
            jsonParser.nextToken();
            if (label.equals("filename")) {
                filename = URLDecoder.decode(jsonParser.getValueAsString(), "UTF-8");
            } else if (label.equals("jcr:mimeType")) {
                mimeType = jsonParser.getValueAsString();
            } else if (label.equals("jcr:data")) {
                databytes = Base64.decodeBase64(jsonParser.getValueAsString());
                inputStream = new ByteArrayInputStream(databytes);
            }
            token = jsonParser.nextToken();
        }
        if (filename != null && mimeType != null && inputStream != null) {
            attachments.add(
                    new UGCImportHelper.AttachmentStruct(filename, inputStream, mimeType, databytes.length));
        } else {
            // log an error
            LOG.error(
                    "We expected to import an attachment, but information was missing and nothing was imported");
        }
        token = jsonParser.nextToken();
    }
}

---

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.v4.ActionDeserializer.java

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

    final Action action = new Action();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                action.setName(jp.nextTextValue());
            } else if ("IsBound".equals(jp.getCurrentName())) {
                action.setBound(BooleanUtils.toBoolean(jp.nextTextValue()));
            } else if ("EntitySetPath".equals(jp.getCurrentName())) {
                action.setEntitySetPath(jp.nextTextValue());
            } else if ("Parameter".equals(jp.getCurrentName())) {
                jp.nextToken();//from   w ww.  ja v a2s.c o  m
                action.getParameters().add(jp.getCodec().readValue(jp, Parameter.class));
            } else if ("ReturnType".equals(jp.getCurrentName())) {
                action.setReturnType(parseReturnType(jp, "Action"));
            } else if ("Annotation".equals(jp.getCurrentName())) {
                jp.nextToken();
                action.setAnnotation(jp.getCodec().readValue(jp, Annotation.class));
            }
        }
    }

    return action;
}

---

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

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

    final Association association = new Association();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                association.setName(jp.nextTextValue());
            } else if ("ReferentialConstraint".equals(jp.getCurrentName())) {
                jp.nextToken();//from  w  ww  . ja  v  a2  s  . c  o m
                association.setReferentialConstraint(jp.getCodec().readValue(jp, ReferentialConstraint.class));
            } else if ("End".equals(jp.getCurrentName())) {
                jp.nextToken();
                association.getEnds().add(jp.getCodec().readValue(jp, AssociationEnd.class));
            }
        }
    }

    return association;
}

---

From source file:org.messic.server.api.tagwizard.discogs.DiscogsTAGWizardPlugin.java

@Override
public List<Album> getAlbumInfo(Album albumHelpInfo, File[] files) {
    if (albumHelpInfo == null || (albumHelpInfo.name == null && albumHelpInfo.author == null)
            || ((albumHelpInfo.name != null && albumHelpInfo.name.length() <= 0)
                    && (albumHelpInfo.author != null && albumHelpInfo.author.length() <= 0))) {
        return new ArrayList<Album>();
    }/*  w w w.  ja  v a2s .  c  o m*/

    String baseURL = "http://api.discogs.com/database/search?type=release";

    try {
        if (albumHelpInfo.name != null) {
            baseURL = baseURL + "&release_title=" + URLEncoder.encode(albumHelpInfo.name, "UTF-8") + "";
        }
        if (albumHelpInfo.author != null) {
            baseURL = baseURL + "&artist=" + URLEncoder.encode(albumHelpInfo.author, "UTF-8") + "";
        }

        URL url = new URL(baseURL);
        Proxy proxy = getProxy();
        URLConnection uc = (proxy != null ? url.openConnection(proxy) : url.openConnection());
        uc.setRequestProperty("User-Agent", "Messic/1.0 +http://spheras.github.io/messic/");

        ArrayList<Album> result = new ArrayList<Album>();

        JsonFactory jsonFactory = new JsonFactory(); // or, for data binding,
        JsonParser jParser = jsonFactory.createParser(uc.getInputStream());
        while (jParser.nextToken() != null) {
            String fieldname = jParser.getCurrentName();
            if ("id".equals(fieldname)) {
                jParser.nextToken();
                String id = jParser.getText();
                // one second per petition allowed by discogs
                Thread.sleep(1000);

                Album album = getAlbum(id);

                result.add(album);
            }

        }
        return result;
    } catch (Exception e) {
        log.error("failed!", e);
    }

    return null;
}

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From source file:com.redhat.red.build.koji.model.json.util.MavenGAVDeserializer.java

@Override
public SimpleProjectVersionRef deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    String g = null;/* w  w w.  j  a  va2 s .  c o m*/
    String a = null;
    String v = null;

    JsonToken token = null;
    while ((token = jp.nextToken()) != JsonToken.END_OBJECT) {
        if (token == JsonToken.VALUE_STRING) {
            String field = jp.getCurrentName();
            switch (field) {
            case ("group_id"): {
                g = jp.getText();
                break;
            }
            case ("artifact_id"): {
                a = jp.getText();
                break;
            }
            case ("version"): {
                v = jp.getText();
                break;
            }
            default: {
                Logger logger = LoggerFactory.getLogger(getClass());
                logger.debug("Ignoring unknown field: {}", field);
            }
            }
        }
    }

    if (isEmpty(g) || isEmpty(a) || isEmpty(v)) {
        throw new KojiJsonException("Invalid GAV: " + g + ":" + a + ":" + v);
    }

    return new SimpleProjectVersionRef(g, a, v);
}

---

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

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

    final AssociationSet associationSet = new AssociationSet();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Name".equals(jp.getCurrentName())) {
                associationSet.setName(jp.nextTextValue());
            } else if ("Association".equals(jp.getCurrentName())) {
                associationSet.setAssociation(jp.nextTextValue());
            } else if ("End".equals(jp.getCurrentName())) {
                jp.nextToken();/*from  w w  w  .  j  a  v  a  2  s.com*/
                associationSet.getEnds().add(jp.getCodec().readValue(jp, AssociationSetEnd.class));
            }
        }
    }

    return associationSet;
}

---

From source file:com.amazonaws.services.sns.util.SignatureChecker.java

private Map<String, String> parseJSON(String jsonmessage) {
    Map<String, String> parsed = new HashMap<String, String>();
    JsonFactory jf = new JsonFactory();
    try {/*  w  ww .  ja  v a  2s . c  o  m*/
        JsonParser parser = jf.createJsonParser(jsonmessage);
        parser.nextToken(); //shift past the START_OBJECT that begins the JSON
        while (parser.nextToken() != JsonToken.END_OBJECT) {
            String fieldname = parser.getCurrentName();
            parser.nextToken(); // move to value, or START_OBJECT/START_ARRAY
            String value;
            if (parser.getCurrentToken() == JsonToken.START_ARRAY) {
                value = "";
                boolean first = true;
                while (parser.nextToken() != JsonToken.END_ARRAY) {
                    if (!first)
                        value += ",";
                    first = false;
                    value += parser.getText();
                }
            } else {
                value = parser.getText();
            }
            parsed.put(fieldname, value);
        }
    } catch (JsonParseException e) {
        // JSON could not be parsed
        e.printStackTrace();
    } catch (IOException e) {
        // Rare exception
    }
    return parsed;
}

---

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