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Enhancing apache http client
/*
* Copyright (c) 2022. Benik Arakelyan
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsunsoft.http;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.hc.core5.http.ContentType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Type;
import static org.apache.hc.core5.http.ContentType.APPLICATION_JSON;
import static org.apache.hc.core5.http.ContentType.APPLICATION_XML;
class DefaultResponseBodyReader implements ResponseBodyReader {
private static final Logger LOGGER = LoggerFactory.getLogger(DefaultResponseBodyReader.class);
private final ObjectMapper jsonSerializer;
private final ObjectMapper xmlSerializer;
DefaultResponseBodyReader(ObjectMapper jsonSerializer, ObjectMapper xmlSerializer) {
this.jsonSerializer = jsonSerializer;
this.xmlSerializer = xmlSerializer;
}
@Override
public boolean isReadable(ResponseBodyReadableContext bodyReadableContext) {
return bodyReadableContext.hasEntity();
}
@Override
@SuppressWarnings("unchecked")
public T read(ResponseBodyReaderContext bodyReaderContext) throws IOException, ResponseBodyReaderException {
T result;
if (bodyReaderContext.getType() == String.class) {
result = (T) ResponseBodyReader.stringReader().read((ResponseBodyReaderContext) bodyReaderContext);
} else {
ContentType contentType = bodyReaderContext.getContentType();
String mimeType = contentType == null ? null : contentType.getMimeType();
if (APPLICATION_JSON.getMimeType().equals(mimeType)) {
result = deserialize(bodyReaderContext, jsonSerializer);
} else if (APPLICATION_XML.getMimeType().equals(mimeType)) {
result = deserialize(bodyReaderContext, xmlSerializer);
} else {
throw new InvalidMimeTypeException(mimeType, "DefaultDeserializer doesn't supported mimeType " + mimeType + " for converting response content to: " + bodyReaderContext.getType());
}
}
return result;
}
protected T deserialize(ResponseBodyReaderContext responseBodyReaderContext, ObjectMapper objectMapper) throws ResponseBodyReaderException {
try {
return deserialize(responseBodyReaderContext.getContent(), responseBodyReaderContext.getGenericType(), objectMapper);
} catch (IOException e) {
throw new ResponseBodyReaderException(e);
}
}
private static T deserialize(InputStream inputStreamToDeserialize, Type type, ObjectMapper objectMapper) throws IOException {
ArgsCheck.notNull(inputStreamToDeserialize, "inputStreamToDeserialize");
ArgsCheck.notNull(type, "type");
long startTime = System.currentTimeMillis();
JavaType javaType = objectMapper.constructType(type);
T result = objectMapper.readValue(inputStreamToDeserialize, javaType);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("Time of deserialization inputStream to type: [{}] is {}", type, HttpRequestUtils.humanTime(startTime));
}
return result;
}
}