List of usage examples for com.fasterxml.jackson.core JsonFactory JsonFactory
public JsonFactory()
From source file:com.tage.calcite.adapter.druid.DruidConnectionImpl.java
/** Parses the output of a {@code topN} query, sending the results to a * {@link Sink}. *///from w ww . j av a 2 s . c om private void parse(com.tage.calcite.adapter.druid.QueryType queryType, InputStream in, Sink sink, List<String> fieldNames, List<Primitive> fieldTypes, Page page) { final JsonFactory factory = new JsonFactory(); final Row.RowBuilder rowBuilder = Row.newBuilder(fieldNames.size()); if (CalcitePrepareImpl.DEBUG) { try { final byte[] bytes = AvaticaUtils.readFullyToBytes(in); System.out.println("Response: " + new String(bytes)); in = new ByteArrayInputStream(bytes); } catch (IOException e) { throw Throwables.propagate(e); } } try (final JsonParser parser = factory.createParser(in)) { switch (queryType) { case TOP_N: if (parser.nextToken() == JsonToken.START_ARRAY && parser.nextToken() == JsonToken.START_OBJECT) { expectScalarField(parser, "timestamp"); if (parser.nextToken() == JsonToken.FIELD_NAME && parser.getCurrentName().equals("result") && parser.nextToken() == JsonToken.START_ARRAY) { while (parser.nextToken() == JsonToken.START_OBJECT) { // loop until token equal to "}" parseFields(fieldNames, fieldTypes, rowBuilder, parser); sink.send(rowBuilder.build()); rowBuilder.reset(); } } } break; case SELECT: if (parser.nextToken() == JsonToken.START_ARRAY && parser.nextToken() == JsonToken.START_OBJECT) { page.pagingIdentifier = null; page.offset = -1; expectScalarField(parser, "timestamp"); if (parser.nextToken() == JsonToken.FIELD_NAME && parser.getCurrentName().equals("result") && parser.nextToken() == JsonToken.START_OBJECT) { if (parser.nextToken() == JsonToken.FIELD_NAME && parser.getCurrentName().equals("pagingIdentifiers") && parser.nextToken() == JsonToken.START_OBJECT) { switch (parser.nextToken()) { case FIELD_NAME: page.pagingIdentifier = parser.getCurrentName(); if (parser.nextToken() == JsonToken.VALUE_NUMBER_INT) { page.offset = parser.getIntValue(); } expect(parser, JsonToken.END_OBJECT); break; case END_OBJECT: } } if (parser.nextToken() == JsonToken.FIELD_NAME && parser.getCurrentName().equals("events") && parser.nextToken() == JsonToken.START_ARRAY) { while (parser.nextToken() == JsonToken.START_OBJECT) { expectScalarField(parser, "segmentId"); expectScalarField(parser, "offset"); if (parser.nextToken() == JsonToken.FIELD_NAME && parser.getCurrentName().equals("event") && parser.nextToken() == JsonToken.START_OBJECT) { parseFields(fieldNames, fieldTypes, rowBuilder, parser); sink.send(rowBuilder.build()); rowBuilder.reset(); } expect(parser, JsonToken.END_OBJECT); } parser.nextToken(); } } } break; case GROUP_BY: if (parser.nextToken() == JsonToken.START_ARRAY) { while (parser.nextToken() == JsonToken.START_OBJECT) { expectScalarField(parser, "version"); expectScalarField(parser, "timestamp"); if (parser.nextToken() == JsonToken.FIELD_NAME && parser.getCurrentName().equals("event") && parser.nextToken() == JsonToken.START_OBJECT) { parseFields(fieldNames, fieldTypes, rowBuilder, parser); sink.send(rowBuilder.build()); rowBuilder.reset(); } expect(parser, JsonToken.END_OBJECT); } } } } catch (IOException | InterruptedException e) { throw Throwables.propagate(e); } }
From source file:com.ryan.ryanreader.jsonwrap.JsonValue.java
/** * Begins parsing a JSON stream into a tree structure. The JsonValue object * created contains the value at the root of the tree. * /*from w w w . j ava2 s . co m*/ * This constructor will block until the first JSON token is received. To * continue building the tree, the "build" method (inherited from * JsonBuffered) must be called in another thread. * * @param source * The source of incoming JSON data. * @throws java.io.IOException */ public JsonValue(final byte[] source) throws IOException { this(new JsonFactory().createParser(source)); }
From source file:org.cloudcoder.dataanalysis.ProgsnapExport.java
private String encodeLine(String tagname, Object value) throws IOException { StringWriter sw = new StringWriter(); JsonFactory factory = new JsonFactory(); JsonGenerator jg = factory.createGenerator(sw); jg.writeStartObject();/*from w w w.j a v a2 s . c o m*/ jg.writeStringField("tag", tagname); jg.writeFieldName("value"); writeJsonFieldValue(jg, value); jg.writeEndObject(); jg.close(); return sw.toString(); }
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>(); }/*from w w w. j ava 2 s . c om*/ 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; }
From source file:com.ning.metrics.action.hdfs.reader.HdfsListing.java
@SuppressWarnings({ "unchecked", "unused" })
public void toJson(final OutputStream out, final boolean pretty) throws IOException {
final String parentPath = getParentPath() == null ? "" : getParentPath();
final JsonGenerator generator = new JsonFactory().createJsonGenerator(out);
generator.configure(JsonGenerator.Feature.AUTO_CLOSE_TARGET, false);
if (pretty) {
generator.setPrettyPrinter(new DefaultPrettyPrinter());
}/* www . j a va 2 s. c o m*/
generator.writeStartObject();
generator.writeObjectField(JSON_LISTING_PATH, getPath());
generator.writeObjectField(JSON_LISTING_PARENT_PATH, parentPath);
generator.writeArrayFieldStart(JSON_LISTING_ENTRIES);
// Important: need to flush before appending pre-serialized events
generator.flush();
for (HdfsEntry entry : getEntries()) {
entry.toJson(generator);
}
generator.writeEndArray();
generator.writeEndObject();
generator.close();
}
From source file:innovimax.quixproc.datamodel.generator.json.AJSONGenerator.java
public static void main(String[] args) throws JsonParseException, IOException, InstantiationException, IllegalAccessException { /*//from www. j a v a2s .c om * final byte[][] patterns = { // empty object is allowed * * "\"A\":1".getBytes(), // first used only once ",\"A\":1".getBytes() * }; BoxedArray baA = new BoxedArray(patterns, 1, 2); for (int i = 0; i * <Integer.MAX_VALUE; i++) { baA.nextUnique(); } * * * System.out.println(display(patterns[1])); */ JsonFactory f = new JsonFactory(); f.disable(Feature.ALLOW_COMMENTS); f.disable(Feature.ALLOW_SINGLE_QUOTES); // AGenerator generator = instance(ATreeGenerator.Type.HIGH_DENSITY); AGenerator generator = instance(FileExtension.JSON, TreeType.HIGH_NODE_DEPTH, SpecialType.STANDARD); InputStream is = generator.getInputStream(50, Unit.MBYTE, Variation.NO_VARIATION); if (false) { int c; while ((c = is.read()) != -1) { System.out.println(display((byte) (c & 0xFF))); } } else { JsonParser p = f.createParser(is); p.enable(Feature.STRICT_DUPLICATE_DETECTION); while (p.nextToken() != JsonToken.END_OBJECT) { // } } }
From source file:com.quinsoft.zeidon.standardoe.ActivateOisFromJsonStream.java
public List<View> read() { try {//from www . jav a 2 s .co m JsonFactory jsonFactory = new JsonFactory(); jp = jsonFactory.createParser(stream); jp.configure(JsonParser.Feature.AUTO_CLOSE_SOURCE, false); // Read the START_OBJECT JsonToken token = jp.nextToken(); if (token != JsonToken.START_OBJECT) throw new ZeidonException("OI JSON stream doesn't start with object."); token = jp.nextToken(); if (token != JsonToken.FIELD_NAME) throw new ZeidonException("OI JSON missing OI field name."); String fieldName = jp.getCurrentName(); if (fieldName.equals(".meta")) { readFileMeta(); JsonReader reader = getReaderForVersion(); reader.process(); } else { if (StringUtils.equalsIgnoreCase(fieldName, "version")) { token = jp.nextToken(); // Move to value. version = jp.getValueAsString(); token = jp.nextToken(); // Move to next field name. assert token == JsonToken.FIELD_NAME; fieldName = jp.getCurrentName(); } else if (StringUtils.isBlank(options.getVersion())) { throw new ZeidonException("First field must be version"); } totalRootCount = null; if (StringUtils.equalsIgnoreCase(fieldName, "totalRootCount")) { token = jp.nextToken(); // Move to value. totalRootCount = jp.getValueAsInt(); token = jp.nextToken(); // Move to next field name. assert token == JsonToken.FIELD_NAME; fieldName = jp.getCurrentName(); } if (lodDef == null) throw new ZeidonException("JSON stream appears to start with the root entity name (%s)" + " but the LodDef has not been specified.", fieldName); String rootName = lodDef.getRoot().getName(); if (!fieldName.equalsIgnoreCase(rootName)) throw new ZeidonException("The first field in the JSON stream must be the root entity name" + " (%s) or '.meta' but was %s.", rootName, fieldName); view = task.activateEmptyObjectInstance(lodDef); returnList.add(view); if (totalRootCount != null) view.setTotalRootCount(totalRootCount); JsonReader reader = getSimpleReaderForVersion(); reader.process(); } jp.close(); } catch (Exception e) { ZeidonException ze = ZeidonException.wrapException(e); JsonLocation loc = jp.getCurrentLocation(); JsonToken token = jp.getCurrentToken(); ze.appendMessage("Position line=%d col=%d, token=%s", loc.getLineNr(), loc.getColumnNr(), token == null ? "No Token" : token.name()); throw ze; } return returnList; }
From source file:de.terrestris.shogun.security.ShogunAuthProcessingFilter.java
/** * On successful authentication by an Authentication Manager of Spring Security * we intercept with this method and change the respone to include the ROLES of * the logged in user.//from ww w .jav a2s. c o m * This way we can react on the ROLES and redirect accordingly within the requesting login form (here login.js) * * @see WebContent/client/login.js */ @Override protected void successfulAuthentication(HttpServletRequest request, HttpServletResponse response, Authentication authResult) throws IOException, ServletException { SecurityContextHolder.getContext().setAuthentication(authResult); SavedRequestAwareAuthenticationSuccessHandler srh = new SavedRequestAwareAuthenticationSuccessHandler(); this.setAuthenticationSuccessHandler(srh); srh.setRedirectStrategy(new RedirectStrategy() { @Override public void sendRedirect(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, String s) throws IOException { //do nothing, no redirect } }); super.successfulAuthentication(request, response, authResult); // build a comma separated string of the ROLES String authorityText = StringUtils.join(authResult.getAuthorities(), ","); // write the servlet return object HttpServletResponseWrapper responseWrapper = new HttpServletResponseWrapper(response); Writer out = responseWrapper.getWriter(); JsonFactory jsonFactory = new JsonFactory(); JsonGenerator jsonGenerator = jsonFactory.createJsonGenerator(out); jsonGenerator.writeStartObject(); jsonGenerator.writeBooleanField("success", true); jsonGenerator.writeStringField("name", authResult.getName()); jsonGenerator.writeStringField("role", authorityText); jsonGenerator.writeEndObject(); jsonGenerator.close(); }
From source file:org.kiji.rest.representations.KijiRestEntityId.java
/** * Create KijiRestEntityId from a string input, which can be a json string or a raw hbase rowKey. * This method is used for entity ids specified from the URL. * * @param entityId string of the row.//from w w w .j a v a2s. com * @param layout of the table in which the entity id belongs. * If null, then long components may not be recognized. * @return a properly constructed KijiRestEntityId. * @throws IOException if KijiRestEntityId can not be properly constructed. */ public static KijiRestEntityId createFromUrl(final String entityId, final KijiTableLayout layout) throws IOException { if (entityId.startsWith(HBASE_ROW_KEY_PREFIX) || entityId.startsWith(HBASE_HEX_ROW_KEY_PREFIX)) { return new KijiRestEntityId(entityId); } else { final JsonParser parser = new JsonFactory().createJsonParser(entityId).enable(Feature.ALLOW_COMMENTS) .enable(Feature.ALLOW_SINGLE_QUOTES).enable(Feature.ALLOW_UNQUOTED_FIELD_NAMES); final JsonNode node = BASIC_MAPPER.readTree(parser); return create(node, layout); } }
From source file:org.h2gis.drivers.geojson.GeoJsonWriteDriver.java
/** * Write the spatial table to GeoJSON format. * * @param progress/*from w ww . j a v a 2 s. c o m*/ * @throws SQLException */ private void writeGeoJson(ProgressVisitor progress) throws SQLException, IOException { FileOutputStream fos = null; try { fos = new FileOutputStream(fileName); // Read Geometry Index and type final TableLocation parse = TableLocation.parse(tableName, JDBCUtilities.isH2DataBase(connection.getMetaData())); List<String> spatialFieldNames = SFSUtilities.getGeometryFields(connection, parse); if (spatialFieldNames.isEmpty()) { throw new SQLException(String.format("The table %s does not contain a geometry field", tableName)); } // Read table content Statement st = connection.createStatement(); try { JsonFactory jsonFactory = new JsonFactory(); JsonGenerator jsonGenerator = jsonFactory.createGenerator(new BufferedOutputStream(fos), JsonEncoding.UTF8); // header of the GeoJSON file jsonGenerator.writeStartObject(); jsonGenerator.writeStringField("type", "FeatureCollection"); writeCRS(jsonGenerator, SFSUtilities.getAuthorityAndSRID(connection, parse, spatialFieldNames.get(0))); jsonGenerator.writeArrayFieldStart("features"); ResultSet rs = st.executeQuery(String.format("select * from `%s`", tableName)); try { ResultSetMetaData resultSetMetaData = rs.getMetaData(); int geoFieldIndex = JDBCUtilities.getFieldIndex(resultSetMetaData, spatialFieldNames.get(0)); cacheMetadata(resultSetMetaData); while (rs.next()) { writeFeature(jsonGenerator, rs, geoFieldIndex); } progress.endStep(); // footer jsonGenerator.writeEndArray(); jsonGenerator.writeEndObject(); jsonGenerator.flush(); jsonGenerator.close(); } finally { rs.close(); } } finally { st.close(); } } catch (FileNotFoundException ex) { throw new SQLException(ex); } finally { try { if (fos != null) { fos.close(); } } catch (IOException ex) { throw new SQLException(ex); } } }