Fix formatting

Change-Id: I1a6fbe43f59d815776cd6c115f94bb477dc8c7c0
Signed-off-by: Mariusz Sobucki <mariusz.sobucki@ericsson.com>
Issue-ID: DMAAP-775

5 files changed, 134 insertions, 102 deletions

diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfig.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfig.java
index 265aafd3..c40d29c3 100644
--- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfig.java
+++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfig.java
@@ -24,22 +24,25 @@
 
 package org.onap.dmaap.datarouter.node;
 
-import java.util.*;
-import java.io.*;
+import java.io.File;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.Vector;
 
 /**
  * Processed configuration for this node.
  * <p>
- * The NodeConfig represents a processed configuration from the Data Router
- * provisioning server.  Each time configuration data is received from the
- * provisioning server, a new NodeConfig is created and the previous one
+ * The NodeConfig represents a processed configuration from the Data Router provisioning server.  Each time
+ * configuration data is received from the provisioning server, a new NodeConfig is created and the previous one
  * discarded.
  */
 public class NodeConfig {
+
     /**
      * Raw configuration entry for a data router node
      */
     public static class ProvNode {
+
         private String cname;
 
         /**
@@ -63,14 +66,15 @@ public class NodeConfig {
      * Raw configuration entry for a provisioning parameter
      */
     public static class ProvParam {
+
         private String name;
         private String value;
 
         /**
          * Construct a provisioning parameter configuration entry.
          *
-         * @param    name The name of the parameter.
-         * @param    value The value of the parameter.
+         * @param name The name of the parameter.
+         * @param value The value of the parameter.
          */
         public ProvParam(String name, String value) {
             this.name = name;
@@ -96,6 +100,7 @@ public class NodeConfig {
      * Raw configuration entry for a data feed.
      */
     public static class ProvFeed {
+
         private String id;
         private String logdata;
         private String status;
@@ -103,9 +108,10 @@ public class NodeConfig {
         /**
          * Construct a feed configuration entry.
          *
-         * @param id      The feed ID of the entry.
+         * @param id The feed ID of the entry.
          * @param logdata String for log entries about the entry.
-         * @param status  The reason why this feed cannot be used (Feed has been deleted, Feed has been suspended) or null if it is valid.
+         * @param status The reason why this feed cannot be used (Feed has been deleted, Feed has been suspended) or
+         * null if it is valid.
          */
         public ProvFeed(String id, String logdata, String status) {
             this.id = id;
@@ -139,6 +145,7 @@ public class NodeConfig {
      * Raw configuration entry for a feed user.
      */
     public static class ProvFeedUser {
+
         private String feedid;
         private String user;
         private String credentials;
@@ -146,8 +153,8 @@ public class NodeConfig {
         /**
          * Construct a feed user configuration entry
          *
-         * @param feedid      The feed id.
-         * @param user        The user that will publish to the feed.
+         * @param feedid The feed id.
+         * @param user The user that will publish to the feed.
          * @param credentials The Authorization header the user will use to publish.
          */
         public ProvFeedUser(String feedid, String user, String credentials) {
@@ -182,6 +189,7 @@ public class NodeConfig {
      * Raw configuration entry for a feed subnet
      */
     public static class ProvFeedSubnet {
+
         private String feedid;
         private String cidr;
 
@@ -189,7 +197,7 @@ public class NodeConfig {
          * Construct a feed subnet configuration entry
          *
          * @param feedid The feed ID
-         * @param cidr   The CIDR allowed to publish to the feed.
+         * @param cidr The CIDR allowed to publish to the feed.
          */
         public ProvFeedSubnet(String feedid, String cidr) {
             this.feedid = feedid;
@@ -215,6 +223,7 @@ public class NodeConfig {
      * Raw configuration entry for a subscription
      */
     public static class ProvSubscription {
+
         private String subid;
         private String feedid;
         private String url;
@@ -226,15 +235,17 @@ public class NodeConfig {
         /**
          * Construct a subscription configuration entry
          *
-         * @param subid       The subscription ID
-         * @param feedid      The feed ID
-         * @param url         The base delivery URL (not including the fileid)
-         * @param authuser    The user in the credentials used to deliver
-         * @param credentials The credentials used to authenticate to the delivery URL exactly as they go in the Authorization header.
-         * @param metaonly    Is this a meta data only subscription?
-         * @param use100      Should we send Expect: 100-continue?
-         */
-        public ProvSubscription(String subid, String feedid, String url, String authuser, String credentials, boolean metaonly, boolean use100) {
+         * @param subid The subscription ID
+         * @param feedid The feed ID
+         * @param url The base delivery URL (not including the fileid)
+         * @param authuser The user in the credentials used to deliver
+         * @param credentials The credentials used to authenticate to the delivery URL exactly as they go in the
+         * Authorization header.
+         * @param metaonly Is this a meta data only subscription?
+         * @param use100 Should we send Expect: 100-continue?
+         */
+        public ProvSubscription(String subid, String feedid, String url, String authuser, String credentials,
+                boolean metaonly, boolean use100) {
             this.subid = subid;
             this.feedid = feedid;
             this.url = url;
@@ -298,6 +309,7 @@ public class NodeConfig {
      * Raw configuration entry for controlled ingress to the data router node
      */
     public static class ProvForceIngress {
+
         private String feedid;
         private String subnet;
         private String user;
@@ -307,9 +319,10 @@ public class NodeConfig {
          * Construct a forced ingress configuration entry
          *
          * @param feedid The feed ID that this entry applies to
-         * @param subnet The CIDR for which publisher IP addresses this entry applies to or "" if it applies to all publisher IP addresses
-         * @param user   The publishing user this entry applies to or "" if it applies to all publishing users.
-         * @param nodes  The array of FQDNs of the data router nodes to redirect publication attempts to.
+         * @param subnet The CIDR for which publisher IP addresses this entry applies to or "" if it applies to all
+         * publisher IP addresses
+         * @param user The publishing user this entry applies to or "" if it applies to all publishing users.
+         * @param nodes The array of FQDNs of the data router nodes to redirect publication attempts to.
          */
         public ProvForceIngress(String feedid, String subnet, String user, String[] nodes) {
             this.feedid = feedid;
@@ -351,6 +364,7 @@ public class NodeConfig {
      * Raw configuration entry for controlled egress from the data router
      */
     public static class ProvForceEgress {
+
         private String subid;
         private String node;
 
@@ -358,7 +372,7 @@ public class NodeConfig {
          * Construct a forced egress configuration entry
          *
          * @param subid The subscription ID the subscription with forced egress
-         * @param node  The node handling deliveries for this subscription
+         * @param node The node handling deliveries for this subscription
          */
         public ProvForceEgress(String subid, String node) {
             this.subid = subid;
@@ -384,6 +398,7 @@ public class NodeConfig {
      * Raw configuration entry for routing within the data router network
      */
     public static class ProvHop {
+
         private String from;
         private String to;
         private String via;
@@ -399,8 +414,8 @@ public class NodeConfig {
          * Construct a hop entry
          *
          * @param from The FQDN of the node with the data to be delivered
-         * @param to   The FQDN of the node that will deliver to the subscriber
-         * @param via  The FQDN of the node where the from node should send the data
+         * @param to The FQDN of the node that will deliver to the subscriber
+         * @param via The FQDN of the node where the from node should send the data
          */
         public ProvHop(String from, String to, String via) {
             this.from = from;
@@ -431,12 +446,14 @@ public class NodeConfig {
     }
 
     private static class Redirection {
+
         SubnetMatcher snm;
         String user;
         String[] nodes;
     }
 
     private static class Feed {
+
         String loginfo;
         String status;
         SubnetMatcher[] subnets;
@@ -458,10 +475,10 @@ public class NodeConfig {
     /**
      * Process the raw provisioning data to configure this node
      *
-     * @param pd          The parsed provisioning data
-     * @param myname      My name as seen by external systems
-     * @param spooldir    The directory where temporary files live
-     * @param port        The port number for URLs
+     * @param pd The parsed provisioning data
+     * @param myname My name as seen by external systems
+     * @param spooldir The directory where temporary files live
+     * @param port The port number for URLs
      * @param nodeauthkey The keying string used to generate node authentication credentials
      */
     public NodeConfig(ProvData pd, String myname, String spooldir, int port, String nodeauthkey) {
@@ -477,7 +494,8 @@ public class NodeConfig {
                 continue;
             }
             String auth = NodeUtils.getNodeAuthHdr(cn, nodeauthkey);
-            DestInfo di = new DestInfo("n:" + cn, spooldir + "/n/" + cn, null, "n2n-" + cn, "https://" + cn + ":" + port + "/internal/publish", cn, myauth, false, true);
+            DestInfo di = new DestInfo("n:" + cn, spooldir + "/n/" + cn, null, "n2n-" + cn,
+                    "https://" + cn + ":" + port + "/internal/publish", cn, myauth, false, true);
             (new File(di.getSpool())).mkdirs();
             div.add(di);
             nodeinfo.put(cn, di);
@@ -547,7 +565,8 @@ public class NodeConfig {
             } catch (Exception e) {
             }
             String siddir = sididx + "/" + sid;
-            DestInfo di = new DestInfo("s:" + sid, spooldir + "/s/" + siddir, sid, fid, ps.getURL(), ps.getAuthUser(), ps.getCredentials(), ps.isMetaDataOnly(), ps.isUsing100());
+            DestInfo di = new DestInfo("s:" + sid, spooldir + "/s/" + siddir, sid, fid, ps.getURL(), ps.getAuthUser(),
+                    ps.getCredentials(), ps.isMetaDataOnly(), ps.isUsing100());
             (new File(di.getSpool())).mkdirs();
             div.add(di);
             subinfo.put(sid, di);
@@ -653,7 +672,7 @@ public class NodeConfig {
      * Check whether this is a valid node-to-node transfer
      *
      * @param credentials Credentials offered by the supposed node
-     * @param ip          IP address the request came from
+     * @param ip IP address the request came from
      */
     public boolean isAnotherNode(String credentials, String ip) {
         IsFrom n = nodes.get(credentials);
@@ -663,9 +682,9 @@ public class NodeConfig {
     /**
      * Check whether publication is allowed.
      *
-     * @param feedid      The ID of the feed being requested.
+     * @param feedid The ID of the feed being requested.
      * @param credentials The offered credentials
-     * @param ip          The requesting IP address
+     * @param ip The requesting IP address
      */
     public String isPublishPermitted(String feedid, String credentials, String ip) {
         Feed f = feeds.get(feedid);
diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfigManager.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfigManager.java
index 7ecbaafd..17f902e5 100644
--- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfigManager.java
+++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeConfigManager.java
@@ -24,15 +24,17 @@
 
 package org.onap.dmaap.datarouter.node;
 
-import java.net.*;
-import java.util.*;
-import java.io.*;
-
-import org.apache.log4j.Logger;
-import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
-
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.net.URL;
+import java.util.Properties;
+import java.util.Timer;
+import org.apache.log4j.Logger;
+import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
 
 
 /**
@@ -48,7 +50,7 @@ import com.att.eelf.configuration.EELFManager;
 public class NodeConfigManager implements DeliveryQueueHelper {
 
     private static EELFLogger eelflogger = EELFManager.getInstance()
-        .getLogger("org.onap.dmaap.datarouter.node.NodeConfigManager");
+            .getLogger("org.onap.dmaap.datarouter.node.NodeConfigManager");
     private static Logger logger = Logger.getLogger("org.onap.dmaap.datarouter.node.NodeConfigManager");
     private static NodeConfigManager base = new NodeConfigManager();
 
@@ -108,13 +110,14 @@ public class NodeConfigManager implements DeliveryQueueHelper {
         Properties p = new Properties();
         try {
             p.load(new FileInputStream(System
-                .getProperty("org.onap.dmaap.datarouter.node.properties", "/opt/app/datartr/etc/node.properties")));
+                    .getProperty("org.onap.dmaap.datarouter.node.properties", "/opt/app/datartr/etc/node.properties")));
         } catch (Exception e) {
 
             NodeUtils.setIpAndFqdnForEelf("NodeConfigManager");
             eelflogger.error(EelfMsgs.MESSAGE_PROPERTIES_LOAD_ERROR);
             logger.error("NODE0301 Unable to load local configuration file " + System
-                .getProperty("org.onap.dmaap.datarouter.node.properties", "/opt/app/datartr/etc/node.properties"), e);
+                            .getProperty("org.onap.dmaap.datarouter.node.properties", "/opt/app/datartr/etc/node.properties"),
+                    e);
         }
         provurl = p.getProperty("ProvisioningURL", "https://feeds-drtr.web.att.com/internal/prov");
         try {
@@ -679,10 +682,10 @@ public class NodeConfigManager implements DeliveryQueueHelper {
             String sdir = config.getSpoolDir(subid);
             if (sdir != null) {
                 logger.info("NODE0310 Received subscription reset request for subscription " + subid
-                    + " from provisioning server " + remoteaddr);
+                        + " from provisioning server " + remoteaddr);
             } else {
                 logger.info("NODE0311 Received subscription reset request for unknown subscription " + subid
-                    + " from provisioning server " + remoteaddr);
+                        + " from provisioning server " + remoteaddr);
             }
             return (sdir);
         } else {
diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java
index 51e59925..26513358 100644
--- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java
+++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java
@@ -24,6 +24,8 @@
 
 package org.onap.dmaap.datarouter.node;
 
+import static org.onap.dmaap.datarouter.node.NodeUtils.sendResponseError;
+
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
 import java.io.File;
@@ -42,12 +44,9 @@ import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-
 import org.apache.log4j.Logger;
 import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
 
-import static org.onap.dmaap.datarouter.node.NodeUtils.sendResponseError;
-
 /**
  * Servlet for handling all http and https requests to the data router node
  * <p>
@@ -60,12 +59,13 @@ import static org.onap.dmaap.datarouter.node.NodeUtils.sendResponseError;
  * PUT/DELETE https://<i>node</i>/publish/<i>feedid</i>/<i>fileid</i> - publsh request
  */
 public class NodeServlet extends HttpServlet {
+
     private static Logger logger = Logger.getLogger("org.onap.dmaap.datarouter.node.NodeServlet");
     private static NodeConfigManager config;
     private static Pattern MetaDataPattern;
     //Adding EELF Logger Rally:US664892
     private static EELFLogger eelflogger = EELFManager.getInstance()
-        .getLogger("org.onap.dmaap.datarouter.node.NodeServlet");
+            .getLogger("org.onap.dmaap.datarouter.node.NodeServlet");
 
     static {
         final String ws = "\\s*";
@@ -99,11 +99,11 @@ public class NodeServlet extends HttpServlet {
     /**
      * Handle a GET for /internal/fetchProv
      */
-    protected void doGet(HttpServletRequest req, HttpServletResponse resp){
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
         NodeUtils.setIpAndFqdnForEelf("doGet");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),
-            getIdFromPath(req) + "");
-        try{
+                getIdFromPath(req) + "");
+        try {
             if (down(resp)) {
                 return;
             }
@@ -140,12 +140,12 @@ public class NodeServlet extends HttpServlet {
     protected void doPut(HttpServletRequest req, HttpServletResponse resp) {
         NodeUtils.setIpAndFqdnForEelf("doPut");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),
-            getIdFromPath(req) + "");
+                getIdFromPath(req) + "");
         try {
             common(req, resp, true);
-        } catch(IOException ioe){
+        } catch (IOException ioe) {
             logger.error("IOException" + ioe.getMessage());
-        } catch(ServletException se){
+        } catch (ServletException se) {
             logger.error("ServletException" + se.getMessage());
         }
     }
@@ -156,33 +156,34 @@ public class NodeServlet extends HttpServlet {
     protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
         NodeUtils.setIpAndFqdnForEelf("doDelete");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),
-            getIdFromPath(req) + "");
+                getIdFromPath(req) + "");
         try {
             common(req, resp, false);
-        } catch(IOException ioe){
+        } catch (IOException ioe) {
             logger.error("IOException" + ioe.getMessage());
-        } catch(ServletException se){
+        } catch (ServletException se) {
             logger.error("ServletException" + se.getMessage());
         }
     }
 
     private void common(HttpServletRequest req, HttpServletResponse resp, boolean isput)
-        throws ServletException, IOException {
+            throws ServletException, IOException {
         if (down(resp)) {
             return;
         }
         if (!req.isSecure()) {
             logger.info(
-                "NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());
+                    "NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + " from " + req
+                            .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_FORBIDDEN, "https required on publish requests");
             return;
         }
         String fileid = req.getPathInfo();
         if (fileid == null) {
             logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
-                .getRemoteAddr());
+                    .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_NOT_FOUND,
-                "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
+                    "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
             return;
         }
         String feedid = null;
@@ -190,7 +191,7 @@ public class NodeServlet extends HttpServlet {
         String credentials = req.getHeader("Authorization");
         if (credentials == null) {
             logger.info("NODE0106 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo() + " from " + req
-                .getRemoteAddr());
+                    .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Authorization header required");
             return;
         }
@@ -205,9 +206,9 @@ public class NodeServlet extends HttpServlet {
             int i = fileid.indexOf('/');
             if (i == -1 || i == fileid.length() - 1) {
                 logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
-                    .getRemoteAddr());
+                        .getRemoteAddr());
                 resp.sendError(HttpServletResponse.SC_NOT_FOUND,
-                    "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.  Possible missing fileid.");
+                        "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.  Possible missing fileid.");
                 return;
             }
             feedid = fileid.substring(0, i);
@@ -226,16 +227,16 @@ public class NodeServlet extends HttpServlet {
             targets = config.parseRouting(req.getHeader("X-ATT-DR-ROUTING"));
         } else {
             logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
-                .getRemoteAddr());
+                    .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_NOT_FOUND,
-                "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
+                    "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
             return;
         }
         if (fileid.indexOf('/') != -1) {
             logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req
-                .getRemoteAddr());
+                    .getRemoteAddr());
             resp.sendError(HttpServletResponse.SC_NOT_FOUND,
-                "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
+                    "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
             return;
         }
         String qs = req.getQueryString();
@@ -253,8 +254,9 @@ public class NodeServlet extends HttpServlet {
             String reason = config.isPublishPermitted(feedid, credentials, ip);
             if (reason != null) {
                 logger.info(
-                    "NODE0111 Rejecting unauthorized publish attempt to feed " + feedid + " fileid " + fileid + " from "
-                        + ip + " reason " + reason);
+                        "NODE0111 Rejecting unauthorized publish attempt to feed " + feedid + " fileid " + fileid
+                                + " from "
+                                + ip + " reason " + reason);
                 resp.sendError(HttpServletResponse.SC_FORBIDDEN, reason);
                 return;
             }
@@ -268,8 +270,9 @@ public class NodeServlet extends HttpServlet {
                 }
                 String redirto = "https://" + newnode + port + "/publish/" + feedid + "/" + fileid;
                 logger.info(
-                    "NODE0108 Redirecting publish attempt for feed " + feedid + " user " + user + " ip " + ip + " to "
-                        + redirto);
+                        "NODE0108 Redirecting publish attempt for feed " + feedid + " user " + user + " ip " + ip
+                                + " to "
+                                + redirto);
                 resp.sendRedirect(redirto);
                 return;
             }
@@ -280,7 +283,7 @@ public class NodeServlet extends HttpServlet {
         File meta = new File(fbase + ".M");
         OutputStream dos = null;
         InputStream is = null;
-        try (Writer mw = new FileWriter(meta)){
+        try (Writer mw = new FileWriter(meta)) {
             StringBuffer mx = new StringBuffer();
             mx.append(req.getMethod()).append('\t').append(fileid).append('\n');
             Enumeration hnames = req.getHeaderNames();
@@ -289,12 +292,12 @@ public class NodeServlet extends HttpServlet {
                 String hn = (String) hnames.nextElement();
                 String hnlc = hn.toLowerCase();
                 if ((isput && ("content-type".equals(hnlc) ||
-                    "content-language".equals(hnlc) ||
-                    "content-md5".equals(hnlc) ||
-                    "content-range".equals(hnlc))) ||
-                    "x-att-dr-meta".equals(hnlc) ||
-                    (feedid == null && "x-att-dr-received".equals(hnlc)) ||
-                    (hnlc.startsWith("x-") && !hnlc.startsWith("x-att-dr-"))) {
+                        "content-language".equals(hnlc) ||
+                        "content-md5".equals(hnlc) ||
+                        "content-range".equals(hnlc))) ||
+                        "x-att-dr-meta".equals(hnlc) ||
+                        (feedid == null && "x-att-dr-received".equals(hnlc)) ||
+                        (hnlc.startsWith("x-") && !hnlc.startsWith("x-att-dr-"))) {
                     Enumeration hvals = req.getHeaders(hn);
                     while (hvals.hasMoreElements()) {
                         String hv = (String) hvals.nextElement();
@@ -304,15 +307,15 @@ public class NodeServlet extends HttpServlet {
                         if ("x-att-dr-meta".equals(hnlc)) {
                             if (hv.length() > 4096) {
                                 logger.info(
-                                    "NODE0109 Rejecting publish attempt with metadata too long for feed " + feedid
-                                        + " user " + user + " ip " + ip);
+                                        "NODE0109 Rejecting publish attempt with metadata too long for feed " + feedid
+                                                + " user " + user + " ip " + ip);
                                 resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Metadata too long");
                                 return;
                             }
                             if (!MetaDataPattern.matcher(hv.replaceAll("\\\\.", "X")).matches()) {
                                 logger.info(
-                                    "NODE0109 Rejecting publish attempt with malformed metadata for feed " + feedid
-                                        + " user " + user + " ip " + ip);
+                                        "NODE0109 Rejecting publish attempt with malformed metadata for feed " + feedid
+                                                + " user " + user + " ip " + ip);
                                 resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Malformed metadata");
                                 return;
                             }
@@ -342,7 +345,7 @@ public class NodeServlet extends HttpServlet {
                 } catch (Exception e) {
                 }
                 StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user,
-                    ioe.getMessage());
+                        ioe.getMessage());
                 throw ioe;
             }
             Path dpath = Paths.get(fbase);
@@ -363,11 +366,11 @@ public class NodeServlet extends HttpServlet {
             resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
             resp.getOutputStream().close();
             StatusLog.logPub(pubid, feedid, logurl, req.getMethod(), ctype, data.length(), ip, user,
-                HttpServletResponse.SC_NO_CONTENT);
+                    HttpServletResponse.SC_NO_CONTENT);
         } catch (IOException ioe) {
             logger.info(
-                "NODE0110 IO Exception receiving publish attempt for feed " + feedid + " user " + user + " ip " + ip
-                    + " " + ioe.toString(), ioe);
+                    "NODE0110 IO Exception receiving publish attempt for feed " + feedid + " user " + user + " ip " + ip
+                            + " " + ioe.toString(), ioe);
             throw ioe;
         } finally {
             if (is != null) {
diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeUtils.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeUtils.java
index cc21992c..63691957 100644
--- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeUtils.java
+++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeUtils.java
@@ -40,20 +40,19 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Enumeration;
 import java.util.TimeZone;
+import javax.servlet.http.HttpServletResponse;
 import org.apache.commons.codec.binary.Base64;
 import org.apache.log4j.Logger;
 import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
 import org.slf4j.MDC;
 
-import javax.servlet.http.HttpServletResponse;
-
 /**
  * Utility functions for the data router node
  */
 public class NodeUtils {
 
     private static EELFLogger eelfLogger = EELFManager.getInstance()
-        .getLogger("org.onap.dmaap.datarouter.node.NodeUtils");
+            .getLogger("org.onap.dmaap.datarouter.node.NodeUtils");
     private static Logger nodeUtilsLogger = Logger.getLogger("org.onap.dmaap.datarouter.node.NodeUtils");
 
     private NodeUtils() {
@@ -97,7 +96,8 @@ public class NodeUtils {
             return (getAuthHdr(node, base64Encode(md.digest())));
         } catch (Exception exception) {
             nodeUtilsLogger
-                .error("Exception in generating Credentials for given node name:= " + exception.toString(), exception);
+                    .error("Exception in generating Credentials for given node name:= " + exception.toString(),
+                            exception);
             return (null);
         }
     }
@@ -119,7 +119,7 @@ public class NodeUtils {
                 ks.load(fileInputStream, kspass.toCharArray());
             } catch (IOException ioException) {
                 nodeUtilsLogger.error("IOException occurred while opening FileInputStream: " + ioException.getMessage(),
-                    ioException);
+                        ioException);
                 return (null);
             }
         } catch (Exception e) {
@@ -176,7 +176,8 @@ public class NodeUtils {
             return (InetAddress.getByName(ip).getAddress());
         } catch (Exception exception) {
             nodeUtilsLogger
-                .error("Exception in generating byte array for given IP address := " + exception.toString(), exception);
+                    .error("Exception in generating byte array for given IP address := " + exception.toString(),
+                            exception);
         }
         return (null);
     }
@@ -254,7 +255,8 @@ public class NodeUtils {
             MDC.put(MDC_SERVER_IP_ADDRESS, InetAddress.getLocalHost().getHostAddress());
         } catch (Exception exception) {
             nodeUtilsLogger
-                .error("Exception in generating byte array for given IP address := " + exception.toString(), exception);
+                    .error("Exception in generating byte array for given IP address := " + exception.toString(),
+                            exception);
         }
 
     }
diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/PathFinder.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/PathFinder.java
index f9173e9b..fec2ca39 100644
--- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/PathFinder.java
+++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/PathFinder.java
@@ -24,14 +24,19 @@
 
 package org.onap.dmaap.datarouter.node;
 
-import java.util.*;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.Vector;
 
 /**
- * Given a set of node names and next hops, identify and ignore any cycles and figure out the sequence of next hops to get from this node to any other node
+ * Given a set of node names and next hops, identify and ignore any cycles and figure out the sequence of next hops to
+ * get from this node to any other node
  */
 
 public class PathFinder {
+
     private static class Hop {
+
         boolean mark;
         boolean bad;
         NodeConfig.ProvHop basis;
@@ -90,8 +95,8 @@ public class PathFinder {
      * Find routes from a specified origin to all of the nodes given a set of specified next hops.
      *
      * @param origin where we start
-     * @param nodes  where we can go
-     * @param hops   detours along the way
+     * @param nodes where we can go
+     * @param hops detours along the way
      */
     public PathFinder(String origin, String[] nodes, NodeConfig.ProvHop[] hops) {
         HashSet<String> known = new HashSet<String>();