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