publisher: Switch to more efficient slf4j logging

  - pom: Add JavaDoc link for buabook-common

Author: jasraj

pom.xml

@@ -89,6 +89,10 @@
 					<show>private</show>
 					<author>true</author>
 					<nohelp>true</nohelp>
+					
+					<links>
+						<link>https://buabook.github.io/javadoc/buabook-common/</link>
+					</links>
 				</configuration>
 				<executions>
 					<execution>

src/main/java/com/buabook/kdb/publisher/KdbPublisherManager.java

@@ -38,7 +38,7 @@ public KdbPublisherManager() {
 
 	public void addPublisher(KdbProcess server) throws KdbTargetProcessUnavailableException, KdbPublisherAlreadyExistsException {
 		if(publishers.containsKey(server)) {
-			log.error("This manager already contains a publisher to this KDB process! [ Process: " + server.toString() + " ]");
+			log.error("This manager already contains a publisher to this KDB process! [ Process: {} ]", server);
 			throw new KdbPublisherAlreadyExistsException(server.toString());
 		}
 
@@ -80,11 +80,11 @@ public List<KdbProcess> getTargetProcesses() {
 	 */
 	public void disconnect(KdbProcess server) throws KdbPublisherDoesNotExistException {
 		if(! publishers.containsKey(server)) {
-			log.error("The specified KDB process does not exist within this manager [ Process: " + server.toString() + " ]");
+			log.error("The specified KDB process does not exist within this manager [ Process: {} ]", server);
 			throw new KdbPublisherDoesNotExistException(server.toString());
 		}
 
-		log.info("Disconnect request received for server: " + server.toString());
+		log.info("Disconnect request received for server: {}", server);
 
 		publishers.get(server).disconnect();
 		publishers.remove(server);