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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.rulemgt.bolt.enginebolt;
import java.io.IOException;
import java.util.HashMap;
import javax.ws.rs.core.MediaType;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.utils.GsonUtil;
import org.onap.holmes.common.utils.HttpsUtils;
import org.onap.holmes.rulemgt.bean.request.CorrelationCheckRule4Engine;
import org.onap.holmes.rulemgt.bean.request.CorrelationDeployRule4Engine;
import org.onap.holmes.rulemgt.constant.RuleMgtConstant;
@Slf4j
@Service
public class EngineService {
private static final String HTTPS = "https://";
private static final String HTTP = "http://";
private static final String PORT = ":9102";
protected HttpResponse delete(String packageName, String ip) throws Exception {
HashMap headers = createHeaders();
String url = getRequestPref() + ip + PORT + RuleMgtConstant.ENGINE_PATH + "/" + packageName;
CloseableHttpClient httpClient = null;
HttpDelete httpDelete = new HttpDelete(url);
try {
httpClient = HttpsUtils.getConditionalHttpsClient(HttpsUtils.DEFUALT_TIMEOUT);
return HttpsUtils.delete(httpDelete, headers, httpClient);
} finally {
httpDelete.releaseConnection();
closeHttpClient(httpClient);
}
}
protected HttpResponse check(CorrelationCheckRule4Engine correlationCheckRule4Engine, String ip)
throws Exception {
String content = GsonUtil.beanToJson(correlationCheckRule4Engine);
HashMap headers = createHeaders();
String url = getRequestPref() + ip + PORT + RuleMgtConstant.ENGINE_PATH;
CloseableHttpClient httpClient = null;
HttpPost httpPost = new HttpPost(url);
try {
httpClient = HttpsUtils.getConditionalHttpsClient(HttpsUtils.DEFUALT_TIMEOUT);
return HttpsUtils.post(httpPost, headers, new HashMap<>(), new StringEntity(content), httpClient);
} finally {
httpPost.releaseConnection();
closeHttpClient(httpClient);
}
}
protected HttpResponse deploy(CorrelationDeployRule4Engine correlationDeployRule4Engine, String ip) throws Exception {
String content = GsonUtil.beanToJson(correlationDeployRule4Engine);
HashMap headers = createHeaders();
String url = getRequestPref() + ip + PORT + RuleMgtConstant.ENGINE_PATH;
CloseableHttpClient httpClient = null;
HttpPut httpPut = new HttpPut(url);
try {
httpClient = HttpsUtils.getConditionalHttpsClient(HttpsUtils.DEFUALT_TIMEOUT);
return HttpsUtils.put(httpPut, headers, new HashMap<>(), new StringEntity(content),httpClient);
} finally {
closeHttpClient(httpClient);
}
}
private void closeHttpClient(CloseableHttpClient httpClient) {
if (httpClient != null) {
try {
httpClient.close();
} catch (IOException e) {
log.warn("Failed to close http client!");
}
}
}
private HashMap<String, String> createHeaders() {
HashMap<String, String> headers = new HashMap<>();
headers.put("Content-Type", MediaType.APPLICATION_JSON);
headers.put("Accept", MediaType.APPLICATION_JSON);
return headers;
}
private String getRequestPref(){
return HttpsUtils.isHttpsEnabled() ? HTTPS : HTTP;
}
}
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