1710 Rebase - Second Attempt

This commit rebases changes from openecomp-mso/internal-staging-1710 up to and including this codecloud commit:
54483fc6606ddb1591a2e9da61bff8712325f924
Wed Sep 6 18:12:56 2017 -0400

Rebasing was done on a branch on top of this commit in so/master in ONAP:
93fbdfbe46104f8859d4754040f979cb7997c157
Thu Sep 7 16:42:59 2017 +0000

Change-Id: I4ad9abf40da32bf5bdca43e868b8fa2dbcd9dc59
Issue-id: SO-107
Signed-off-by: Arthur Martella <amartell@research.att.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/client/policy/RestClient.java b/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/client/policy/RestClient.java
new file mode 100644
index 0000000000..f8e1ffd74f
--- /dev/null
+++ b/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/client/policy/RestClient.java
@@ -0,0 +1,76 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * OPENECOMP - MSO
+ * ================================================================================
+ * 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.openecomp.mso.client.policy;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.logging.Logger;
+
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.Invocation.Builder;
+import javax.ws.rs.client.WebTarget;
+
+
+import org.openecomp.mso.bpmn.core.PropertyConfiguration;
+import org.openecomp.mso.logger.MsoLogger;
+import org.springframework.stereotype.Service;
+
+@Service
+public abstract class RestClient {
+	protected static final String ECOMP_COMPONENT_NAME = "MSO";
+
+	private WebTarget webTarget;
+
+	protected final Map<String, String> headerMap;
+	protected final MsoLogger msoLogger;
+	protected Map<String, String> properties;
+	protected String host;
+
+	protected RestClient(String endpointKey) {
+		Logger logger = Logger.getLogger(getClass().getName());
+		msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.GENERAL);
+		
+		properties = PropertyConfiguration.getInstance().getProperties("mso.bpmn.urn.properties");
+		headerMap = new HashMap<>();
+		initializeHeaderMap(headerMap);
+
+		host = this.getHost(endpointKey);
+
+		webTarget = ClientBuilder.newClient().register(logger).register(new LoggingFilter())
+				.register(new CommonObjectMapperProvider()).target(host);
+	}
+
+	private String getHost(String key) {
+		return properties.get(key);
+	}
+
+	protected Builder getBuilder() {
+		Builder builder = webTarget.request();
+
+		for (Entry<String, String> entry : headerMap.entrySet()) {
+			builder.header(entry.getKey(), entry.getValue());
+		}
+		return builder;
+	}
+
+	protected abstract void initializeHeaderMap(Map<String, String> headerMap);
+}