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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.so.client.sdnc;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.Collections;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.http.client.BufferingClientHttpRequestFactory;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestTemplate;
//TODO move to common location
public class BaseClient<I,O> {
private HttpHeaders httpHeader;
private String targetUrl;
public HttpHeaders getHttpHeader() {
return httpHeader;
}
public void setHttpHeader(HttpHeaders httpHeader) {
this.httpHeader = httpHeader;
}
public String getTargetUrl() {
return targetUrl;
}
public void setTargetUrl(String targetUrl) {
this.targetUrl = targetUrl;
}
public O get(I data, Object... uriVariables) throws RestClientException {
return run(data, HttpMethod.GET, uriVariables);
}
public O post(I data, Object... uriVariables) throws RestClientException {
return run(data, HttpMethod.POST, uriVariables);
}
public O run(I data, HttpMethod method, Object... uriVariables) throws RestClientException {
HttpEntity<I> requestEntity = new HttpEntity<I>(data, getHttpHeader());
RestTemplate restTemplate = new RestTemplate();
ObjectMapper mapper = new ObjectMapper();
MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
converter.setObjectMapper(mapper);
mapper.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
restTemplate.getMessageConverters().add(0, converter);
restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(new SimpleClientHttpRequestFactory()));
ParameterizedTypeReference<O> output = new ParameterizedTypeReference<O>() {};
ResponseEntity<O> responseEntity = restTemplate.exchange(getTargetUrl(), method, requestEntity, output,
uriVariables);
return responseEntity.getBody();
}
}
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