1 files changed, 89 insertions, 0 deletions
diff --git a/common/src/main/java/org/onap/so/client/BaseClient.java b/common/src/main/java/org/onap/so/client/BaseClient.java
new file mode 100644
index 0000000000..d939a33358
--- /dev/null
+++ b/common/src/main/java/org/onap/so/client/BaseClient.java
@@ -0,0 +1,89 @@
+/*-
+ * ============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;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.onap.so.logging.jaxrs.filter.SpringClientFilter;
+import org.springframework.core.ParameterizedTypeReference;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.client.BufferingClientHttpRequestFactory;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.web.client.RestClientException;
+import org.springframework.web.client.RestTemplate;
+
+public class BaseClient<I, O> {
+
+    private HttpHeaders httpHeader;
+    private String targetUrl;
+
+    public HttpHeaders getHttpHeader() {
+        return httpHeader;
+    }
+
+    public HttpHeaders setDefaultHttpHeaders(String auth) {
+        httpHeader = new HttpHeaders();
+        httpHeader.set("Authorization", auth);
+        httpHeader.setContentType(MediaType.APPLICATION_JSON);
+        List<MediaType> acceptMediaTypes = new ArrayList<MediaType>();
+        acceptMediaTypes.add(MediaType.APPLICATION_JSON);
+        acceptMediaTypes.add(MediaType.TEXT_PLAIN);
+        httpHeader.setAccept(acceptMediaTypes);
+        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, ParameterizedTypeReference<O> typeRef, Object... uriVariables) throws RestClientException {
+        return run(data, HttpMethod.GET, typeRef, uriVariables);
+    }
+
+    public O post(I data, ParameterizedTypeReference<O> typeRef, Object... uriVariables) throws RestClientException {
+        return run(data, HttpMethod.POST, typeRef, uriVariables);
+    }
+
+    public O run(I data, HttpMethod method, ParameterizedTypeReference<O> typeRef, Object... uriVariables)
+            throws RestClientException {
+        HttpEntity<I> requestEntity = new HttpEntity<I>(data, getHttpHeader());
+        RestTemplate restTemplate = new RestTemplate();
+        restTemplate
+                .setRequestFactory(new BufferingClientHttpRequestFactory(new HttpComponentsClientHttpRequestFactory()));
+        restTemplate.getInterceptors().add(new SpringClientFilter());
+        ResponseEntity<O> responseEntity =
+                restTemplate.exchange(getTargetUrl(), method, requestEntity, typeRef, uriVariables);
+        return responseEntity.getBody();
+    }
+
+}