Java Code Examples for javax.json.JsonWriterFactory#createWriter()

/**
 * Create a JSON string.
 * @param structure the structure JsonAoject or JsonArray
 * @param pretty for pretty print
 * @return the JSON string
 */
public static String toJson(JsonStructure structure, boolean pretty) {
  JsonWriter writer  = null;
  StringWriter result = new StringWriter();
  try {
    Map<String, Object> props = new HashMap<String,Object>();
    if (pretty) props.put(JsonGenerator.PRETTY_PRINTING,true);
    JsonWriterFactory factory = Json.createWriterFactory(props);
    writer = factory.createWriter(result);
    writer.write(structure); 
  } finally {
    try {
      if (writer != null) writer.close();
    } catch (Throwable t) {
      t.printStackTrace(System.err);
    }
  }
  return result.toString().trim();
}
 

/**
 * Writes the given project definition the form of a JSON document.
 */
public void write( Project project)
  {
  JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
  JsonWriter jsonWriter = writerFactory.createWriter( getWriter());

  jsonWriter.write( ProjectJson.toJson( project));
  }
 

private String jsonPrettyPrint(String json) {
	StringWriter sw = new StringWriter();
	JsonReader jr = Json.createReader(new StringReader(json));
	JsonObject jobj = jr.readObject();

	Map<String, Object> properties = new HashMap<>(1);
	properties.put(JsonGenerator.PRETTY_PRINTING, true);

	JsonWriterFactory writerFactory = Json.createWriterFactory(properties);
	try (JsonWriter jsonWriter = writerFactory.createWriter(sw)) {
		jsonWriter.writeObject(jobj);
	}

	return sw.toString().trim();
}
 

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(), Charset.forName("UTF-8"))) {
		jsonWriter.write(json);
	}
}
 

/**
 * write a JsonObject formatted in a pretty way into a String
 * @param jsonObject
 * @return a String containing the JSON
 */
public static String writePretty(JsonObject jsonObject) {
	JsonWriterFactory factory = createPrettyWriterFactory();
	StringWriter sw = new StringWriter();
	JsonWriter writer = factory.createWriter(sw);
	writer.writeObject(jsonObject);
	String ret = sw.toString();
	writer.close();
	return ret;
}
 

/**
 * store
 * 
 * @param obj api_data
 */
private void store(JsonObject root) {
    if (AppConfig.get().isStoreApiStart2()) {
        try {
            String dir = AppConfig.get().getStoreApiStart2Dir();
            if (dir == null || "".equals(dir))
                return;

            Path dirPath = Paths.get(dir);
            Path parent = dirPath.getParent();
            if (parent != null && !Files.exists(parent)) {
                Files.createDirectories(parent);
            }

            JsonWriterFactory factory = Json
                    .createWriterFactory(Collections.singletonMap(JsonGenerator.PRETTY_PRINTING, true));
            for (Entry<String, JsonValue> entry : root.entrySet()) {
                String key = entry.getKey();
                JsonValue val = entry.getValue();
                JsonObject obj = Json.createObjectBuilder().add(key, val).build();

                Path outPath = dirPath.resolve(key + ".json");

                try (OutputStream out = Files.newOutputStream(outPath)) {
                    try (JsonWriter writer = factory.createWriter(out)) {
                        writer.write(obj);
                    }
                }
            }
        } catch (Exception e) {
            LoggerHolder.get().warn("api_start2の保存に失敗しました", e);
        }
    }
}
 

/**
 * Writes the given request cases in the form of a JSON document.
 */
public void write( RequestTestDef requestTestDef)
  {
  JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
  JsonWriter jsonWriter = writerFactory.createWriter( getWriter());

  jsonWriter.write( RequestCaseJson.toJson( requestTestDef));
  }
 

/**
 * Writes the given request cases in the form of a JSON document.
 */
public void write( MocoTestConfig mocoTestConfig)
  {
  JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
  JsonWriter jsonWriter = writerFactory.createWriter( getWriter());

  jsonWriter.write( MocoTestConfigJson.toJson( mocoTestConfig));
  }
 

/**
 * Writes the given system test definition the form of a JSON document.
 */
public void write( RequestTestDef requestCases)
  {
  JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
  JsonWriter jsonWriter = writerFactory.createWriter( getWriter());

  try
    {
    jsonWriter.write( expectedConfigs( requestCases));
    }
  catch( Exception e)
    {
    throw new RequestCaseException( String.format( "Can't write Moco server configuration for %s", requestCases), e);
    }
  }
 

/**
 * Writes the given system test definition the form of a JSON document.
 */
public void write( SystemTestDef systemTest)
  {
  JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
  JsonWriter jsonWriter = writerFactory.createWriter( getWriter());

  jsonWriter.write( SystemTestJson.toJson( systemTest));
  }
 

private static String prettyJson(JsonObject jsonObject) {
    if(jsonObject!=null){
        StringWriter sw = new StringWriter();
        Map<String, Object> properties = new HashMap<>(1);
        properties.put(JsonGenerator.PRETTY_PRINTING, true);

        JsonWriterFactory writerFactory = Json.createWriterFactory(properties);
        try (JsonWriter jsonWriter = writerFactory.createWriter(sw)) {
            jsonWriter.writeObject(jsonObject);
        }
        return sw.toString();
    }
    return null;
}
 

/**
 * Writes the given system test definition the form of a JSON document.
 */
public void write( SystemInputDef systemInput)
  {
  JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
  JsonWriter jsonWriter = writerFactory.createWriter( getWriter());

  jsonWriter.write( SystemInputJson.toJson( systemInput));
  }
 

/**
 * Writes the given system test definition the form of a JSON document.
 */
public void write( IGeneratorSet generatorSet)
  {
  JsonWriterFactory writerFactory = Json.createWriterFactory( MapBuilder.of( PRETTY_PRINTING, true).build());
  JsonWriter jsonWriter = writerFactory.createWriter( getWriter());

  jsonWriter.write( GeneratorSetJson.toJson( generatorSet));
  }
 

public void reportHealth(OutputStream out, SmallRyeHealth health) {
    if (health.isDown() && HealthLogging.log.isInfoEnabled()) {
        // Log reason, as not reported by container orchestrators, yet container may get killed.
        HealthLogging.log.healthDownStatus(health.getPayload().toString());
    }

    JsonWriterFactory factory = jsonProvider.createWriterFactory(JSON_CONFIG);
    JsonWriter writer = factory.createWriter(out);

    writer.writeObject(health.getPayload());
    writer.close();
}
 

private String getPrettyJson(JsonObject jsonObject) {

        JsonWriterFactory writerFactory = Json.createWriterFactory(JSON_PROPERTIES);

        try (StringWriter sw = new StringWriter();
                JsonWriter jsonWriter = writerFactory.createWriter(sw)) {
            jsonWriter.writeObject(jsonObject);
            return sw.toString();
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }

    }
 

private String getPrettyJson(JsonObject jsonObject) {

        JsonWriterFactory writerFactory = Json.createWriterFactory(JSON_PROPERTIES);

        try (StringWriter sw = new StringWriter();
                JsonWriter jsonWriter = writerFactory.createWriter(sw)) {
            jsonWriter.writeObject(jsonObject);
            return sw.toString();
        } catch (IOException ex) {
            throw new RuntimeException(ex);
        }

    }
 

public static void main(String[] args) throws Exception {
    JsonReaderFactory jsonReaderFactory = Json.createReaderFactory(null);
    JsonWriterFactory jsonWriterFactory = Json.createWriterFactory(null);
    JsonBuilderFactory jsonBuilderFactory = Json.createBuilderFactory(null);

    File dir = new File("src/main/resources/hl7/fhir/us/davinci-pdex-plan-net/package/");
    for (File file : dir.listFiles()) {
        String fileName = file.getName();
        if (!fileName.endsWith(".json") || file.isDirectory()) {
            continue;
        }
        JsonObject jsonObject = null;
        try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
            JsonReader jsonReader = jsonReaderFactory.createReader(reader);
            jsonObject = jsonReader.readObject();

            JsonObjectBuilder jsonObjectBuilder = jsonBuilderFactory.createObjectBuilder(jsonObject);

            JsonObject text = jsonObject.getJsonObject("text");
            if (text != null) {
                JsonObjectBuilder textBuilder = jsonBuilderFactory.createObjectBuilder(text);
                String div = text.getString("div");
                div = div.replace("<p><pre>", "<pre>").replace("</pre></p>", "</pre>");
                textBuilder.add("div", div);
                jsonObjectBuilder.add("text", textBuilder);
            }

            if (!jsonObject.containsKey("version")) {
                System.out.println("file: " + file + " does not have a version");
                jsonObjectBuilder.add("version", "0.1.0");
            }

            jsonObject = jsonObjectBuilder.build();
        }
        try (FileWriter writer = new FileWriter(file)) {
            JsonWriter jsonWriter = jsonWriterFactory.createWriter(writer);
            jsonWriter.write(jsonObject);
        }
    }
}