2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 Nordix Foundation.
4 * ================================================================================
5 * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.clamp.controlloop.participant.simulator.config;
25 import java.io.IOException;
26 import java.io.InputStreamReader;
27 import java.io.OutputStreamWriter;
28 import java.nio.charset.StandardCharsets;
29 import javax.ws.rs.core.Response;
30 import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
31 import org.onap.policy.common.utils.coder.Coder;
32 import org.onap.policy.common.utils.coder.CoderException;
33 import org.onap.policy.common.utils.coder.StandardCoder;
34 import org.onap.policy.common.utils.coder.StandardYamlCoder;
35 import org.springframework.http.HttpInputMessage;
36 import org.springframework.http.HttpOutputMessage;
37 import org.springframework.http.MediaType;
38 import org.springframework.http.converter.AbstractHttpMessageConverter;
39 import org.springframework.http.converter.HttpMessageNotReadableException;
40 import org.springframework.http.converter.HttpMessageNotWritableException;
42 public class YamlHttpMessageConverter<T> extends AbstractHttpMessageConverter<T> {
46 public YamlHttpMessageConverter(String type) {
47 super(new MediaType("application", type, StandardCharsets.UTF_8));
48 this.coder = "json".equals(type) ? new StandardCoder() : new StandardYamlCoder();
52 protected boolean supports(Class<?> clazz) {
57 protected T readInternal(Class<? extends T> clazz, HttpInputMessage inputMessage)
58 throws IOException, HttpMessageNotReadableException {
59 try (var is = new InputStreamReader(inputMessage.getBody(), StandardCharsets.UTF_8)) {
60 return coder.decode(is, clazz);
61 } catch (CoderException e) {
62 throw new ControlLoopRuntimeException(Response.Status.BAD_REQUEST, e.getMessage(), e);
67 protected void writeInternal(T t, HttpOutputMessage outputMessage)
68 throws IOException, HttpMessageNotWritableException {
69 try (var writer = new OutputStreamWriter(outputMessage.getBody(), StandardCharsets.UTF_8)) {
70 coder.encode(writer, t);
71 } catch (CoderException e) {
72 throw new ControlLoopRuntimeException(Response.Status.BAD_REQUEST, e.getMessage(), e);