Examples with JsonWriterFactory javax.json.JsonWriterFactory used on opensource projects

Example 1 with JsonWriterFactory

use of javax.json.JsonWriterFactory in project Payara by payara.

the class HealthCheckService method constructResponse.

private void constructResponse(HttpServletResponse httpResponse, Set<HealthCheckResponse> healthCheckResponses, HealthCheckType type, String enablePrettyPrint) throws IOException {
    httpResponse.setContentType("application/json");
    // For each HealthCheckResponse we got from executing the health checks...
    JsonArrayBuilder checksArray = Json.createArrayBuilder();
    for (HealthCheckResponse healthCheckResponse : healthCheckResponses) {
        JsonObjectBuilder healthCheckObject = Json.createObjectBuilder();
        // Add the name and status
        healthCheckObject.add("name", healthCheckResponse.getName());
        healthCheckObject.add("status", healthCheckResponse.getStatus().toString());
        // Add data if present
        JsonObjectBuilder healthCheckData = Json.createObjectBuilder();
        if (healthCheckResponse.getData().isPresent() && !healthCheckResponse.getData().get().isEmpty()) {
            for (Map.Entry<String, Object> dataMapEntry : healthCheckResponse.getData().get().entrySet()) {
                healthCheckData.add(dataMapEntry.getKey(), dataMapEntry.getValue().toString());
            }
        }
        healthCheckObject.add("data", healthCheckData);
        // Add finished Object to checks array
        checksArray.add(healthCheckObject);
        // Check if we need to set the response as 503. Check against status 200 so we don't repeatedly set it
        if (httpResponse.getStatus() == 200 && healthCheckResponse.getStatus().equals(HealthCheckResponse.Status.DOWN)) {
            httpResponse.setStatus(503);
        }
    }
    // Create the final aggregate object
    JsonObjectBuilder responseObject = Json.createObjectBuilder();
    // Set the aggregate status
    responseObject.add("status", httpResponse.getStatus() == 200 ? "UP" : "DOWN");
    // Add all of the checks
    responseObject.add("checks", checksArray);
    String prettyPrinting = enablePrettyPrint == null || enablePrettyPrint.equals("false") ? "" : JsonGenerator.PRETTY_PRINTING;
    JsonWriterFactory jsonWriterFactory = Json.createWriterFactory(singletonMap(prettyPrinting, ""));
    StringWriter stringWriter = new StringWriter();
    try (JsonWriter jsonWriter = jsonWriterFactory.createWriter(stringWriter)) {
        jsonWriter.writeObject(responseObject.build());
    }
    // Print the outcome
    httpResponse.getOutputStream().print(stringWriter.toString());
}

Example 2 with JsonWriterFactory

use of javax.json.JsonWriterFactory in project meecrowave by apache.

the class ConfigurableBus method initProviders.

public void initProviders(final Configuration builder, final ClassLoader loader) {
    final List<Object> providers = ofNullable(builder.getJaxrsDefaultProviders()).map(s -> Stream.of(s.split(" *, *")).map(String::trim).filter(p -> !p.isEmpty()).map(name -> {
        try {
            return Thread.currentThread().getContextClassLoader().loadClass(name).newInstance();
        } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
            throw new IllegalArgumentException(name + " can't be created");
        }
    }).collect(Collectors.<Object>toList())).orElseGet(() -> {
        // ensure both providers share the same memory reuse logic
        final JsonProvider provider = JsonProvider.provider();
        final JsonReaderFactory readerFactory = provider.createReaderFactory(new HashMap<String, Object>() {

            {
                put(JsonParserFactoryImpl.SUPPORTS_COMMENTS, builder.isJsonpSupportsComment());
                Optional.of(builder.getJsonpMaxStringLen()).filter(v -> v > 0).ifPresent(s -> put(JsonParserFactoryImpl.MAX_STRING_LENGTH, s));
                Optional.of(builder.getJsonpMaxReadBufferLen()).filter(v -> v > 0).ifPresent(s -> put(JsonParserFactoryImpl.BUFFER_LENGTH, s));
                ofNullable(builder.getJsonpBufferStrategy()).ifPresent(s -> put(AbstractJsonFactory.BUFFER_STRATEGY, s));
            }
        });
        final JsonWriterFactory writerFactory = provider.createWriterFactory(new HashMap<String, Object>() {

            {
                put(JsonGenerator.PRETTY_PRINTING, builder.isJsonpPrettify());
                Optional.of(builder.getJsonpMaxWriteBufferLen()).filter(v -> v > 0).ifPresent(v -> put(JsonGeneratorFactoryImpl.GENERATOR_BUFFER_LENGTH, v));
                ofNullable(builder.getJsonpBufferStrategy()).ifPresent(s -> put(AbstractJsonFactory.BUFFER_STRATEGY, s));
            }
        });
        return Stream.<Object>of(new ConfiguredJsonbJaxrsProvider(builder.getJsonbEncoding(), builder.isJsonbNulls(), builder.isJsonbIJson(), builder.isJsonbPrettify(), builder.getJsonbBinaryStrategy(), builder.getJsonbNamingStrategy(), builder.getJsonbOrderStrategy(), new DelegateJsonProvider(provider, readerFactory, writerFactory))).collect(toList());
    });
    if (builder.isJaxrsAutoActivateBeanValidation()) {
        try {
            // we don't need the jaxrsbeanvalidationfeature since bean validation cdi extension handles it normally
            loader.loadClass("javax.validation.Validation");
            final Object instance = loader.loadClass("org.apache.cxf.jaxrs.validation.ValidationExceptionMapper").getConstructor().newInstance();
            // validate bval can be used, check NoClassDefFoundError javax.validation.ValidationException
            instance.getClass().getGenericInterfaces();
            providers.add(instance);
        } catch (final Exception | NoClassDefFoundError e) {
        // no-op
        }
    }
    // client
    if (getProperty("org.apache.cxf.jaxrs.bus.providers") == null) {
        setProperty("skip.default.json.provider.registration", "true");
        setProperty("org.apache.cxf.jaxrs.bus.providers", providers);
    }
}

Example 3 with JsonWriterFactory

use of javax.json.JsonWriterFactory in project iaf by ibissource.

the class ApiListenerServlet method returnJson.

public void returnJson(HttpServletResponse response, int status, JsonObject json) throws IOException {
    response.setStatus(status);
    Map<String, Boolean> config = new HashMap<>();
    config.put(JsonGenerator.PRETTY_PRINTING, true);
    JsonWriterFactory factory = Json.createWriterFactory(config);
    try (JsonWriter jsonWriter = factory.createWriter(response.getOutputStream(), StreamUtil.DEFAULT_CHARSET)) {
        jsonWriter.write(json);
    }
}

Example 4 with JsonWriterFactory

use of javax.json.JsonWriterFactory in project meecrowave by apache.

the class ConfigurableBus method initProviders.

public void initProviders(final Meecrowave.Builder builder, final ClassLoader loader) {
    final List<Object> providers = ofNullable(builder.getJaxrsDefaultProviders()).map(s -> Stream.of(s.split(" *, *")).map(String::trim).filter(p -> !p.isEmpty()).map(name -> {
        try {
            return Thread.currentThread().getContextClassLoader().loadClass(name).newInstance();
        } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
            throw new IllegalArgumentException(name + " can't be created");
        }
    }).collect(Collectors.<Object>toList())).orElseGet(() -> {
        // ensure both providers share the same memory reuse logic
        final JsonProvider provider = JsonProvider.provider();
        final JsonReaderFactory readerFactory = provider.createReaderFactory(new HashMap<String, Object>() {

            {
                put(JsonParserFactoryImpl.SUPPORTS_COMMENTS, builder.isJsonpSupportsComment());
                of(builder.getJsonpMaxStringLen()).filter(v -> v > 0).ifPresent(s -> put(JsonParserFactoryImpl.MAX_STRING_LENGTH, s));
                of(builder.getJsonpMaxReadBufferLen()).filter(v -> v > 0).ifPresent(s -> put(JsonParserFactoryImpl.BUFFER_LENGTH, s));
                ofNullable(builder.getJsonpBufferStrategy()).ifPresent(s -> put(AbstractJsonFactory.BUFFER_STRATEGY, s));
            }
        });
        final JsonWriterFactory writerFactory = provider.createWriterFactory(new HashMap<String, Object>() {

            {
                put(JsonGenerator.PRETTY_PRINTING, builder.isJsonpPrettify());
                of(builder.getJsonpMaxWriteBufferLen()).filter(v -> v > 0).ifPresent(v -> put(JsonGeneratorFactoryImpl.GENERATOR_BUFFER_LENGTH, v));
                ofNullable(builder.getJsonpBufferStrategy()).ifPresent(s -> put(AbstractJsonFactory.BUFFER_STRATEGY, s));
            }
        });
        return Stream.<Object>of(new ConfiguredJsonbJaxrsProvider(builder.getJsonbEncoding(), builder.isJsonbNulls(), builder.isJsonbIJson(), builder.isJsonbPrettify(), builder.getJsonbBinaryStrategy(), builder.getJsonbNamingStrategy(), builder.getJsonbOrderStrategy(), new DelegateJsonProvider(provider, readerFactory, writerFactory)), new ConfiguredJsrProvider(readerFactory, writerFactory)).collect(toList());
    });
    if (builder.isJaxrsAutoActivateBeanValidation()) {
        try {
            // we don't need the jaxrsbeanvalidationfeature since bean validation cdi extension handles it normally
            loader.loadClass("javax.validation.Validation");
            final Object instance = loader.loadClass("org.apache.cxf.jaxrs.validation.ValidationExceptionMapper").getConstructor().newInstance();
            // validate bval can be used, check NoClassDefFoundError javax.validation.ValidationException
            instance.getClass().getGenericInterfaces();
            providers.add(instance);
        } catch (final Exception | NoClassDefFoundError e) {
        // no-op
        }
    }
    // client
    if (getProperty("org.apache.cxf.jaxrs.bus.providers") == null) {
        setProperty("skip.default.json.provider.registration", "true");
        setProperty("org.apache.cxf.jaxrs.bus.providers", providers);
    }
}

Example 5 with JsonWriterFactory

use of javax.json.JsonWriterFactory in project Payara by payara.

the class JsonWriter method serialize.

protected void serialize(JsonObject payload) throws IOException {
    JsonWriterFactory jsonWriterFactory = Json.createWriterFactory(null);
    jsonWriterFactory.createWriter(writer).writeObject(payload);
}