Fix Sonar errors: public data members in classes

Change-Id: I7aca37d5553436167ac6e7b2206392f88bddc118
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpKeepaliveMsgVer4.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpKeepaliveMsgVer4.java
index 7cb13aa..ea2c785 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpKeepaliveMsgVer4.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpKeepaliveMsgVer4.java
@@ -63,7 +63,7 @@
     public static final int PACKET_MINIMUM_LENGTH = 19;
     public static final int MARKER_LENGTH = 16;
     public static final BgpType MSG_TYPE = BgpType.KEEP_ALIVE;
-    public static byte[] marker = new byte[] {(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
+    static byte[] marker = new byte[] {(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
                                               (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
                                               (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
                                               (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff};
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpUpdateMsgVer4.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpUpdateMsgVer4.java
index b6576a3..a0640db 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpUpdateMsgVer4.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpUpdateMsgVer4.java
@@ -84,7 +84,7 @@
     public static final int MIN_LEN_AFTER_WITHDRW_ROUTES = 2;
     public static final int MINIMUM_COMMON_HEADER_LENGTH = 19;
     public static final BgpType MSG_TYPE = BgpType.UPDATE;
-    public static byte[] marker = new byte[] {(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
+    private static byte[] marker = new byte[] {(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
                                               (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
                                               (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff,
                                               (byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff};
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java
index 9cdccc5..ce1c443 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/IPReachabilityInformationTlv.java
@@ -49,7 +49,7 @@
 
     private byte prefixLen;
     private byte[] ipPrefix;
-    public short length;
+    private short length;
 
     /**
      * Constructor to initialize parameters.
@@ -162,4 +162,4 @@
                 .add("Prefixvalue", getPrefixValue())
                 .toString();
     }
-}
\ No newline at end of file
+}
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrMaxLinkBandwidth.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrMaxLinkBandwidth.java
index baa0aae..b692027 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrMaxLinkBandwidth.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrMaxLinkBandwidth.java
@@ -38,7 +38,7 @@
     public static final int MAX_BANDWIDTH_LEN = 4;
     public static final int NO_OF_BITS = 8;
 
-    public short type;
+    private short type;
 
     /* ISIS administrative group */
     private final float maxBandwidth;
diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrUnRsrvdLinkBandwidth.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrUnRsrvdLinkBandwidth.java
index 42a5e40..5f77b5f 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrUnRsrvdLinkBandwidth.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpLinkAttrUnRsrvdLinkBandwidth.java
@@ -41,7 +41,7 @@
     public static final int NO_OF_BITS = 8;
     public static final int NO_OF_PRIORITY = 8;
 
-    public short sType;
+    private short sType;
 
     /* ISIS administrative group */
     private List<Float> maxUnResBandwidth = new ArrayList<Float>();
diff --git a/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/Controller.java b/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/Controller.java
index 72f803d..f786cf7 100644
--- a/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/Controller.java
+++ b/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/Controller.java
@@ -50,7 +50,7 @@
     private static final BgpFactory FACTORY4 = BgpFactories.getFactory(BgpVersion.BGP_4);
 
     private ChannelGroup cg;
-    public Channel serverChannel;
+    private Channel serverChannel;
 
     // Configuration options
     protected static final short BGP_PORT_NUM = 179;
@@ -259,4 +259,4 @@
     public void setBgpPortNum() {
         isPortNumSet = true;
     }
-}
\ No newline at end of file
+}
diff --git a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/area/OspfAreaAddressRangeImpl.java b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/area/OspfAreaAddressRangeImpl.java
index e0636d7..1337203 100644
--- a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/area/OspfAreaAddressRangeImpl.java
+++ b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/area/OspfAreaAddressRangeImpl.java
@@ -28,9 +28,9 @@
  */
 public class OspfAreaAddressRangeImpl implements OspfAreaAddressRange {
 
-    public Ip4Address ipAddress;
-    public String mask;
-    public boolean advertise;
+    private Ip4Address ipAddress;
+    private String mask;
+    private boolean advertise;
 
     /**
      * Gets the IP address.
@@ -111,4 +111,4 @@
                 .add("advertise", advertise)
                 .toString();
     }
-}
\ No newline at end of file
+}
diff --git a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/TopologyForDeviceAndLinkImpl.java b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/TopologyForDeviceAndLinkImpl.java
index 86dd2cf..67edc39 100644
--- a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/TopologyForDeviceAndLinkImpl.java
+++ b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/TopologyForDeviceAndLinkImpl.java
@@ -606,7 +606,7 @@
             routerLsa.lsType();
             List<OspfLsaLink> ospfLsaLinkList = routerLsa.routerLink();
             for (OspfLsaLink link : ospfLsaLinkList) {
-                if (link.linkType == 1 || link.linkType == 2) {
+                if (link.linkType() == 1 || link.linkType() == 2) {
                     if ((routerLsa.advertisingRouter().equals(ospfArea.routerId())) ||
                             (link.equals(ospfArea.routerId()))) {
                         log.debug("OspfInterface information will not display in web ");
@@ -641,7 +641,7 @@
             RouterLsa routerLsa = (RouterLsa) ospfLsa;
             List<OspfLsaLink> ospfLsaLinkList = routerLsa.routerLink();
             for (OspfLsaLink link : ospfLsaLinkList) {
-                if (link.linkType == 1 || link.linkType == 2) {
+                if (link.linkType() == 1 || link.linkType() == 2) {
                     if ((routerLsa.advertisingRouter().equals(ospfArea.routerId())) ||
                             (link.equals(ospfArea.routerId()))) {
                         log.debug("OspfInterface information will not display in web ");
@@ -666,4 +666,4 @@
         }
         return removedLinkList;
     }
-}
\ No newline at end of file
+}
diff --git a/protocols/ospf/protocol/src/main/java/org/onosproject/ospf/protocol/lsa/subtypes/OspfLsaLink.java b/protocols/ospf/protocol/src/main/java/org/onosproject/ospf/protocol/lsa/subtypes/OspfLsaLink.java
index 05027a9..ecb5f34 100644
--- a/protocols/ospf/protocol/src/main/java/org/onosproject/ospf/protocol/lsa/subtypes/OspfLsaLink.java
+++ b/protocols/ospf/protocol/src/main/java/org/onosproject/ospf/protocol/lsa/subtypes/OspfLsaLink.java
@@ -22,11 +22,11 @@
  */
 public class OspfLsaLink {
 
-    public String linkId;
-    public String linkData;
-    public int linkType;
-    public int metric;
-    public int tos;
+    private String linkId;
+    private String linkData;
+    private int linkType;
+    private int metric;
+    private int tos;
 
     /**
      * Gets link id.
@@ -129,4 +129,4 @@
                 .add("tos", tos)
                 .toString();
     }
-}
\ No newline at end of file
+}
diff --git a/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepErrorType.java b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepErrorType.java
index de68061..6de842e 100644
--- a/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepErrorType.java
+++ b/protocols/pcep/api/src/main/java/org/onosproject/pcep/controller/PcepErrorType.java
@@ -32,7 +32,7 @@
     INVALIDOPERATION(19),
     VIRTUALNETWORKTLVMISSING(255);
 
-    public  int value;
+    int value;
 
     /**
      * Creates an instance of Pcep Error Type.
@@ -51,4 +51,4 @@
     public  int value() {
         return value;
     }
-}
\ No newline at end of file
+}
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepEndPointsObjectVer1.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepEndPointsObjectVer1.java
index f485343..35e30f6 100644
--- a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepEndPointsObjectVer1.java
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepEndPointsObjectVer1.java
@@ -53,15 +53,15 @@
     static final byte END_POINTS_OBJ_CLASS = 4;
     static final byte END_POINTS_OBJECT_VERSION = 1;
     static final short END_POINTS_OBJ_MINIMUM_LENGTH = 12;
-    public static byte endPointObjType;
+    static byte endPointObjType;
 
     static final PcepObjectHeader DEFAULT_END_POINTS_OBJECT_HEADER = new PcepObjectHeader(END_POINTS_OBJ_CLASS,
             END_POINTS_OBJ_TYPE, PcepObjectHeader.REQ_OBJ_OPTIONAL_PROCESS, PcepObjectHeader.RSP_OBJ_PROCESSED,
             END_POINTS_OBJ_MINIMUM_LENGTH);
 
     private PcepObjectHeader endPointsObjHeader;
-    public int sourceIpAddress;
-    public int destIpAddress;
+    int sourceIpAddress;
+    int destIpAddress;
 
     /**
      * Constructor to initialize all variables.
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LinkAttributesTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LinkAttributesTlv.java
index 7294ff9..9e62e6a 100644
--- a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LinkAttributesTlv.java
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LinkAttributesTlv.java
@@ -50,7 +50,7 @@
     protected static final Logger log = LoggerFactory.getLogger(LinkAttributesTlv.class);
 
     public static final short TYPE = (short) 65286;
-    public short hLength;
+    short hLength;
 
     public static final int TLV_HEADER_LENGTH = 4;
 
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LocalNodeDescriptorsTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LocalNodeDescriptorsTlv.java
index c516d8c..01c6cb7 100644
--- a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LocalNodeDescriptorsTlv.java
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/LocalNodeDescriptorsTlv.java
@@ -50,7 +50,7 @@
     protected static final Logger log = LoggerFactory.getLogger(LocalNodeDescriptorsTlv.class);
 
     public static final short TYPE = (short) 65282;
-    public short hLength;
+    short hLength;
 
     public static final int TLV_HEADER_LENGTH = 4;
     // Node Descriptor Sub-TLVs (variable)
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeAttributesTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeAttributesTlv.java
index d4e9e95..558d41b 100644
--- a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeAttributesTlv.java
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/NodeAttributesTlv.java
@@ -52,7 +52,7 @@
     protected static final Logger log = LoggerFactory.getLogger(NodeAttributesTlv.class);
 
     public static final short TYPE = (short) 65285;
-    public short hLength;
+    short hLength;
 
     public static final int TLV_HEADER_LENGTH = 4;
     // LinkDescriptors Sub-TLVs (variable)
diff --git a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteNodeDescriptorsTlv.java b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteNodeDescriptorsTlv.java
index 9408442..2d46edc 100644
--- a/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteNodeDescriptorsTlv.java
+++ b/protocols/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/RemoteNodeDescriptorsTlv.java
@@ -50,7 +50,7 @@
     protected static final Logger log = LoggerFactory.getLogger(RemoteNodeDescriptorsTlv.class);
 
     public static final short TYPE = (short) 65283;
-    public short hLength;
+    short hLength;
 
     public static final int TLV_HEADER_LENGTH = 4;
     // Node Descriptor Sub-TLVs (variable)