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: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");
    }// ww w  .  j a v  a 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:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeResponse.Asset.Builder readRespAsset(JsonParser par) throws IOException {
    NativeResponse.Asset.Builder asset = NativeResponse.Asset.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readRespAssetField(par, asset, fieldName);
        }//from  ww w  .j a va 2  s  . co  m
    }
    return asset;
}

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

/**
 * Handle each of the importable types of ugc content
 * @param jsonParser - the parsing stream
 * @param resource - the parent resource of whatever it is we're importing (must already exist)
 * @throws ServletException// www  .  j  a  v  a  2s .c  om
 * @throws IOException
 */
protected void importFile(final JsonParser jsonParser, final Resource resource, final ResourceResolver resolver)
        throws ServletException, IOException {
    final UGCImportHelper importHelper = new UGCImportHelper();
    JsonToken token1 = jsonParser.getCurrentToken();
    importHelper.setSocialUtils(socialUtils);
    if (token1.equals(JsonToken.START_OBJECT)) {
        jsonParser.nextToken();
        if (jsonParser.getCurrentName().equals(ContentTypeDefinitions.LABEL_CONTENT_TYPE)) {
            jsonParser.nextToken();
            final String contentType = jsonParser.getValueAsString();
            if (contentType.equals(ContentTypeDefinitions.LABEL_QNA_FORUM)) {
                importHelper.setQnaForumOperations(qnaForumOperations);
            } else if (contentType.equals(ContentTypeDefinitions.LABEL_FORUM)) {
                importHelper.setForumOperations(forumOperations);
            } else if (contentType.equals(ContentTypeDefinitions.LABEL_CALENDAR)) {
                importHelper.setCalendarOperations(calendarOperations);
            } else if (contentType.equals(ContentTypeDefinitions.LABEL_JOURNAL)) {
                importHelper.setJournalOperations(journalOperations);
            } else if (contentType.equals(ContentTypeDefinitions.LABEL_FILELIBRARY)) {
                importHelper.setFileLibraryOperations(fileLibraryOperations);
            }
            importHelper.setTallyService(tallyOperationsService); // (everything potentially needs tally)
            importHelper.setCommentOperations(commentOperations); // nearly anything can have comments on it
            jsonParser.nextToken(); // content
            if (jsonParser.getCurrentName().equals(ContentTypeDefinitions.LABEL_CONTENT)) {
                jsonParser.nextToken();
                token1 = jsonParser.getCurrentToken();
                if (token1.equals(JsonToken.START_OBJECT) || token1.equals(JsonToken.START_ARRAY)) {
                    if (!resolver.isLive()) {
                        throw new ServletException("Resolver is already closed");
                    }
                } else {
                    throw new ServletException("Start object token not found for content");
                }
                if (token1.equals(JsonToken.START_OBJECT)) {
                    try {
                        if (contentType.equals(ContentTypeDefinitions.LABEL_QNA_FORUM)) {
                            importHelper.importQnaContent(jsonParser, resource, resolver);
                        } else if (contentType.equals(ContentTypeDefinitions.LABEL_FORUM)) {
                            importHelper.importForumContent(jsonParser, resource, resolver);
                        } else if (contentType.equals(ContentTypeDefinitions.LABEL_COMMENTS)) {
                            importHelper.importCommentsContent(jsonParser, resource, resolver);
                        } else if (contentType.equals(ContentTypeDefinitions.LABEL_JOURNAL)) {
                            importHelper.importJournalContent(jsonParser, resource, resolver);
                        } else if (contentType.equals(ContentTypeDefinitions.LABEL_FILELIBRARY)) {
                            importHelper.importFileLibrary(jsonParser, resource, resolver);
                        } else {
                            LOG.info("Unsupported content type: {}", contentType);
                            jsonParser.skipChildren();
                        }
                        jsonParser.nextToken();
                    } catch (final IOException e) {
                        throw new ServletException(e);
                    }
                    jsonParser.nextToken(); // skip over END_OBJECT
                } else {
                    try {
                        if (contentType.equals(ContentTypeDefinitions.LABEL_CALENDAR)) {
                            importHelper.importCalendarContent(jsonParser, resource, resolver);
                        } else if (contentType.equals(ContentTypeDefinitions.LABEL_TALLY)) {
                            importHelper.importTallyContent(jsonParser, resource, resolver);
                        } else {
                            LOG.info("Unsupported content type: {}", contentType);
                            jsonParser.skipChildren();
                        }
                        jsonParser.nextToken();
                    } catch (final IOException e) {
                        throw new ServletException(e);
                    }
                    jsonParser.nextToken(); // skip over END_ARRAY
                }
            } else {
                throw new ServletException("Content not found");
            }
        } else {
            throw new ServletException("No content type specified");
        }
    } else {
        throw new ServletException("Invalid Json format");
    }
}

From source file:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeRequest.Asset.Data.Builder readReqData(JsonParser par) throws IOException {
    NativeRequest.Asset.Data.Builder data = NativeRequest.Asset.Data.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readReqDataField(par, data, fieldName);
        }/*  ww  w .ja v a2  s  .  c om*/
    }
    return data;
}

From source file:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeRequest.Asset.Image.Builder readReqImage(JsonParser par) throws IOException {
    NativeRequest.Asset.Image.Builder req = NativeRequest.Asset.Image.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readReqImageField(par, req, fieldName);
        }//from  w ww .jav  a2  s  .c  om
    }
    return req;
}

From source file:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeResponse.Asset.Data.Builder readRespData(JsonParser par) throws IOException {
    NativeResponse.Asset.Data.Builder data = NativeResponse.Asset.Data.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readRespDataField(par, data, fieldName);
        }//from   ww w . j av  a  2 s .  c o  m
    }
    return data;
}

From source file:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeRequest.Asset.Title.Builder readReqTitle(JsonParser par) throws IOException {
    NativeRequest.Asset.Title.Builder title = NativeRequest.Asset.Title.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readReqTitleField(par, title, fieldName);
        }/*from   w  ww.  j  a  v  a2 s .com*/
    }
    return title;
}

From source file:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeResponse.Asset.Title.Builder readRespTitle(JsonParser par) throws IOException {
    NativeResponse.Asset.Title.Builder title = NativeResponse.Asset.Title.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readRespTitleField(par, title, fieldName);
        }/* ww  w  . j  av a2 s.  c  om*/
    }
    return title;
}

From source file:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeResponse.Asset.Image.Builder readRespImage(JsonParser par) throws IOException {
    NativeResponse.Asset.Image.Builder image = NativeResponse.Asset.Image.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readRespImageField(par, image, fieldName);
        }/*  w ww.  j  a  va 2 s .  com*/
    }
    return image;
}

From source file:com.google.openrtb.json.OpenRtbNativeJsonReader.java

public final NativeResponse.Asset.Video.Builder readRespVideo(JsonParser par) throws IOException {
    NativeResponse.Asset.Video.Builder video = NativeResponse.Asset.Video.newBuilder();
    for (startObject(par); endObject(par); par.nextToken()) {
        String fieldName = getCurrentName(par);
        if (par.nextToken() != JsonToken.VALUE_NULL) {
            readRespVideoField(par, video, fieldName);
        }// w  w  w .  j av  a2s  .c  om
    }
    return video;
}