Examples with JsonParser javax.json.stream.JsonParser used on opensource projects

Example 21 with JsonParser

use of javax.json.stream.JsonParser in project javaee7-samples by javaee-samples.

the class JsonParserFromReaderTest method testArray.

@Test
public void testArray() throws JSONException {
    String json = "[{\"apple\":\"red\"},{\"banana\":\"yellow\"}]";
    JsonParser parser = Json.createParser(new StringReader(json));
    assertEquals(JsonParser.Event.START_ARRAY, parser.next());
    assertEquals(JsonParser.Event.START_OBJECT, parser.next());
    assertEquals(JsonParser.Event.KEY_NAME, parser.next());
    assertEquals(JsonParser.Event.VALUE_STRING, parser.next());
    assertEquals(JsonParser.Event.END_OBJECT, parser.next());
    assertEquals(JsonParser.Event.START_OBJECT, parser.next());
    assertEquals(JsonParser.Event.KEY_NAME, parser.next());
    assertEquals(JsonParser.Event.VALUE_STRING, parser.next());
    assertEquals(JsonParser.Event.END_OBJECT, parser.next());
    assertEquals(JsonParser.Event.END_ARRAY, parser.next());
}

Example 22 with JsonParser

use of javax.json.stream.JsonParser in project wildfly by wildfly.

the class JobExecutionMarshaller method unmarshall.

public static JobExecution unmarshall(final String json) {
    final JsonParser parser = Json.createParser(new StringReader(json));
    final JobExecutionBuilder builder = JobExecutionBuilder.create();
    String key = null;
    while (parser.hasNext()) {
        final Event event = parser.next();
        switch(event) {
            case KEY_NAME:
                key = parser.getString();
                break;
            case VALUE_FALSE:
            case VALUE_NULL:
            case VALUE_NUMBER:
            case VALUE_STRING:
            case VALUE_TRUE:
                final String value = parser.getString();
                if (key == null) {
                    throw new IllegalStateException(String.format("No key for value '%s'. Parsing position: %s%n\t%s", value, parser.getLocation(), json));
                }
                switch(key) {
                    case ID:
                        if (value != null) {
                            builder.setId(Long.parseLong(value));
                        }
                        break;
                    case NAME:
                        builder.setName(value);
                        break;
                    case STATUS:
                        if (value != null) {
                            builder.setStatus(BatchStatus.valueOf(value));
                        }
                        break;
                    case EXIT_STATUS:
                        builder.setExitStatus(value);
                        break;
                    case CREATE_TIME:
                        if (value != null) {
                            builder.setCreateTime(Long.parseLong(value));
                        }
                        break;
                    case END_TIME:
                        if (value != null) {
                            builder.setEndTime(Long.parseLong(value));
                        }
                        break;
                    case LAST_UPDATE_TIME:
                        if (value != null) {
                            builder.setLastUpdatedTime(Long.parseLong(value));
                        }
                        break;
                    case START_TIME:
                        if (value != null) {
                            builder.setStartTime(Long.parseLong(value));
                        }
                        break;
                    case PROPERTIES:
                        String k = null;
                        while (parser.hasNext()) {
                            final Event e = parser.next();
                            switch(e) {
                                case KEY_NAME:
                                    k = parser.getString();
                                    break;
                                case VALUE_FALSE:
                                case VALUE_NULL:
                                case VALUE_NUMBER:
                                case VALUE_STRING:
                                case VALUE_TRUE:
                                    if (k != null) {
                                        builder.addParameter(k, parser.getString());
                                    }
                                    break;
                            }
                        }
                        break;
                }
                break;
        }
    }
    parser.close();
    return builder.build();
}

Example 23 with JsonParser

use of javax.json.stream.JsonParser in project Payara by payara.

the class RestModelListReader method readFrom.

@Override
public List<RestModel> readFrom(Class<List<RestModel>> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {
    try {
        Locale locale = CompositeUtil.instance().getLocale(httpHeaders);
        List<RestModel> list = new ArrayList<RestModel>();
        BufferedReader in = new BufferedReader(new InputStreamReader(entityStream));
        JsonParser parser = Json.createParser(in);
        JsonArray array;
        if (parser.hasNext()) {
            parser.next();
            array = parser.getArray();
        } else {
            array = JsonValue.EMPTY_JSON_ARRAY;
        }
        Class<?> modelType = null;
        if (genericType instanceof ParameterizedType) {
            final ParameterizedType pt = (ParameterizedType) genericType;
            modelType = (Class) pt.getActualTypeArguments()[0];
        }
        for (int i = 0; i < array.size(); i++) {
            JsonObject o = array.getJsonObject(i);
            RestModel model = (RestModel) CompositeUtil.instance().unmarshallClass(locale, modelType, o);
            Set<ConstraintViolation<RestModel>> cv = CompositeUtil.instance().validateRestModel(locale, model);
            if (!cv.isEmpty()) {
                final Response response = Response.status(Status.BAD_REQUEST).entity(CompositeUtil.instance().getValidationFailureMessages(locale, cv, model)).build();
                throw new WebApplicationException(response);
            }
            list.add(model);
        }
        return list;
    } catch (Exception e) {
        throw new WebApplicationException(e);
    }
}

Example 24 with JsonParser

use of javax.json.stream.JsonParser in project Payara by payara.

the class CompositeUtilTest method readInJson.

@Test
public void readInJson() throws Exception {
    Locale locale = null;
    JsonParser parser = Json.createParser(new StringReader(JSON));
    parser.next();
    JsonObject o = parser.getObject();
    BaseModel model = CompositeUtil.instance().unmarshallClass(locale, BaseModel.class, o);
    Assert.assertEquals(model.getName(), "testModel");
    Assert.assertEquals(model.getRelated().size(), 2);
    Assert.assertTrue(model.getRelated().get(0).getDescription().startsWith("description "));
}