1 files changed, 122 insertions, 0 deletions
diff --git a/components/datalake-handler/feeder/src/main/java/org/onap/datalake/feeder/util/HttpClientUtil.java b/components/datalake-handler/feeder/src/main/java/org/onap/datalake/feeder/util/HttpClientUtil.java
new file mode 100644
index 00000000..64b643ac
--- /dev/null
+++ b/components/datalake-handler/feeder/src/main/java/org/onap/datalake/feeder/util/HttpClientUtil.java
@@ -0,0 +1,122 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : DCAE
+ * ================================================================================
+ * Copyright 2019 China Mobile
+ *=================================================================================
+ * 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.datalake.feeder.util;
+
+import com.google.gson.Gson;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * HttpClient
+ *
+ * @author guochunmeng
+ *
+ */
+public class HttpClientUtil {
+
+    private static final Logger log = LoggerFactory.getLogger(HttpClientUtil.class);
+
+    private static final String KIBANA = "Kibana";
+
+    private static final String KIBANA_DASHBOARD_IMPORT = "KibanaDashboardImport";
+
+    private static final String ELASTICSEARCH_MAPPING_TEMPLATE = "ElasticsearchMappingTemplate";
+
+    private HttpClientUtil() {
+        throw new IllegalStateException("Utility class");
+    }
+
+    public static boolean sendHttpClientPost(String url, String json, String postFlag, String urlFlag) {
+        boolean flag = false;
+        RestTemplate restTemplate = new RestTemplate();
+        HttpHeaders headers = new HttpHeaders();
+        if (urlFlag.equals(KIBANA)) {
+            log.info("urlFlag is Kibana, add header");
+            headers.add("kbn-xsrf","true");
+        }
+        headers.setContentType(MediaType.APPLICATION_JSON_UTF8);
+        HttpEntity<String> request = new HttpEntity<>(json, headers);
+        ResponseEntity<String> responseEntity = null;
+        try {
+            responseEntity = restTemplate.postForEntity(url, request, String.class);
+            if (responseEntity.getStatusCodeValue() != 200)
+                throw new RestClientException("Resquest failed");
+            Gson gson = new Gson();
+            Map<String, Object> map = new HashMap<>();
+            map = gson.fromJson(responseEntity.getBody(), map.getClass());
+            switch (postFlag) {
+                case KIBANA_DASHBOARD_IMPORT:
+                    flag = flagOfKibanaDashboardImport(map);
+                    break;
+                case ELASTICSEARCH_MAPPING_TEMPLATE :
+                    flag = flagOfPostEsMappingTemplate(map);
+                    break;
+                default:
+                    break;
+            }
+        } catch (Exception e) {
+            log.debug("Resquest failed: " + e.getMessage());
+        }
+        return flag;
+    }
+
+    private static boolean flagOfKibanaDashboardImport(Map<String, Object> map) {
+
+        boolean flag = true;
+        List objectsList = (List) map.get("objects");
+
+        if (!objectsList.isEmpty()) {
+            Map<String, Object> map2 = null;
+            for (int i = 0; i < objectsList.size(); i++){
+                map2 = (Map<String, Object>)objectsList.get(i);
+                for(String key : map2.keySet()){
+                    if ("error".equals(key)) {
+                        return false;
+                    }
+                }
+            }
+        }
+        return flag;
+    }
+
+    private static boolean flagOfPostEsMappingTemplate(Map<String, Object> map) {
+
+        boolean flag = true;
+        for(String key : map.keySet()){
+            if ("acknowledged".equals(key) && (boolean) map.get("acknowledged")) {
+                break;
+            } else {
+                flag = false;
+            }
+        }
+        return flag;
+    }
+}