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/*
* Copyright 2017 ZTE Corporation.
*
* 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 org.onap.holmes.common.dmaap;
import java.io.IOException;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.onap.holmes.common.dmaap.entity.PolicyMsg;
import org.onap.holmes.common.exception.CorrelationException;
import com.google.gson.Gson;
import java.util.HashMap;
import javax.ws.rs.core.MediaType;
import lombok.Getter;
import lombok.Setter;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.entity.StringEntity;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.utils.HttpsUtils;
@Getter
@Setter
@Service
@Slf4j
public class Publisher {
private String topic;
private String url;
private String authInfo;
private String authExpDate;
public boolean publish(PolicyMsg msg) throws CorrelationException {
String content;
try {
//content = JSON.toJSONString(msg);
content = new Gson().toJson(msg);
} catch (Exception e) {
throw new CorrelationException("Failed to convert the message object to a json string.",
e);
}
HttpResponse httpResponse;
HashMap<String, String> headers = new HashMap<>();
headers.put("Accept", MediaType.APPLICATION_JSON);
headers.put("Content-Type", MediaType.APPLICATION_JSON);
CloseableHttpClient httpClient = null;
HttpPost httpPost = new HttpPost(url);
try {
httpClient = HttpsUtils.getConditionalHttpsClient(HttpsUtils.DEFUALT_TIMEOUT);
httpResponse = HttpsUtils.post(httpPost, headers, new HashMap<>(), new StringEntity(content, "utf-8"), httpClient);
} catch (Exception e) {
throw new CorrelationException("Failed to connect to DCAE.", e);
} finally {
httpPost.releaseConnection();
if (httpClient != null) {
try {
httpClient.close();
} catch (IOException e) {
log.warn("Failed to close http client!");
}
}
}
return checkStatus(httpResponse);
}
private boolean checkStatus(HttpResponse httpResponse) {
return (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) ? true : false;
}
}
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