Added CSV logging function to Broadcast.

CSV logger name as it appears in log4j.properties is "csv".

pom.xml

@@ -69,6 +69,11 @@
     		<artifactId>json-simple</artifactId>
     		<version>1.1.1</version>
 		</dependency>
+		<dependency>
+		    <groupId>com.opencsv</groupId>
+		    <artifactId>opencsv</artifactId>
+		    <version>5.7.1</version>
+		</dependency>
 	</dependencies>
 	<repositories>
 		<repository>

src/main/java/altk/comm/engine/Broadcast.java

@@ -2,6 +2,7 @@ package altk.comm.engine;
 
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.io.StringWriter;
 import java.time.LocalTime;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -19,9 +20,12 @@ import java.util.concurrent.atomic.AtomicInteger;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.apache.log4j.Category;
 import org.apache.log4j.Logger;
 import org.json.simple.JSONObject;
 
+import com.opencsv.CSVWriter;
+
 import altk.comm.engine.Job.CommJobStatus;
 import altk.comm.engine.exception.BroadcastError;
 import altk.comm.engine.exception.BroadcastException;
@@ -43,6 +47,8 @@ public abstract class Broadcast
 	static final String DAILY_STOP_KEY = "daily_stop";
 	static final String DAILY_START_KEY = "daily_start";
 
+	static final String CSV_LOGGER = "csv";
+	
     public final String broadcastType;
 	private String broadcastId;
 	
@@ -99,6 +105,7 @@ public abstract class Broadcast
 	private AtomicInteger successCount;
 	private int pauseThreshold;
 	private int lastPauseCount;
+	private Logger csvLogger;
 
 	
     public static enum BroadcastState
@@ -429,6 +436,7 @@ public abstract class Broadcast
         serviceActivityCount = Integer.valueOf(0);
         transactions = Integer.valueOf(0);
         lastPauseCount = 0;
+        csvLogger = Logger.getLogger(CSV_LOGGER);
     }
     
     private void incrementTransactions(int delta)
@@ -1529,6 +1537,15 @@ public abstract class Broadcast
 		return dataMap;
 	}
 
+    public void logCSV(String[] data)
+    {
+        StringWriter writer = new StringWriter();
+        @SuppressWarnings("resource")
+		CSVWriter csvWriter = new CSVWriter(writer);
+        csvWriter.writeNext(data);
+        csvLogger.info(writer);
+    }
+
 	protected void childAddConfigJSON(JSONObject dataMap) {
 	}