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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;
}
}
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