1 files changed, 78 insertions, 0 deletions
diff --git a/catalog-fe/src/main/java/org/openecomp/sdc/fe/impl/DesignerStatusBL.java b/catalog-fe/src/main/java/org/openecomp/sdc/fe/impl/DesignerStatusBL.java
new file mode 100644
index 0000000000..cadaf19e96
--- /dev/null
+++ b/catalog-fe/src/main/java/org/openecomp/sdc/fe/impl/DesignerStatusBL.java
@@ -0,0 +1,78 @@
+package org.openecomp.sdc.fe.impl;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpHead;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.openecomp.sdc.fe.config.ConfigurationManager;
+import org.openecomp.sdc.fe.config.DesignersConfiguration;
+import org.openecomp.sdc.fe.config.DesignersConfiguration.Designer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+public class DesignerStatusBL {
+
+	private static Logger log = LoggerFactory.getLogger(DesignerStatusBL.class.getName());
+	private static  Gson gson = new GsonBuilder().setPrettyPrinting().create();
+	private CloseableHttpClient client = null;
+	
+	public DesignerStatusBL() {
+		this.client = HttpClients.createDefault();
+	}
+	
+	public DesignerStatusBL(CloseableHttpClient client) {
+		this.client = client;
+				
+	}
+
+	public String checkDesinerListAvailability() {
+		String result = null;
+
+		DesignersConfiguration designersConfiguarion = ConfigurationManager.getConfigurationManager()
+				.getDesignersConfiguration();
+
+		if (designersConfiguarion == null || designersConfiguarion.getDesignersList() == null) {
+			log.warn("Configuration of type {} was not found", DesignersConfiguration.class);
+		} else {
+			log.debug("The value returned from getConfig is {}", designersConfiguarion);
+
+			Map<String, Designer> avaiableDesignersMap = new HashMap<String, Designer>();
+
+			designersConfiguarion.getDesignersList().forEach((key, value) -> {
+				if (CheckDesignerAvailabilty(value)) {
+					avaiableDesignersMap.put(key, value);
+				}
+
+			});
+			result = gson.toJson(avaiableDesignersMap);
+		}
+		return result;
+	}
+
+	private boolean CheckDesignerAvailabilty(Designer designer) {
+
+		StringBuilder requestString = new StringBuilder();
+		boolean result = false;
+
+		requestString.append(designer.getDesignerProtocol()).append("://").append(designer.getDesignerHost()).append(":")
+				.append(designer.getDesignerPort()).append(designer.getDesignerPath());
+
+		HttpHead head = new HttpHead(requestString.toString());
+
+		try (CloseableHttpResponse response = this.client.execute(head)) {
+			result = response != null && response.getStatusLine().getStatusCode() == 200;
+		} catch (IOException e) {
+			log.debug("The designer {} is offline", designer);
+		}
+
+		return result;
+	}
+
+}