Fixed javadocs and descriptions.

Change-Id: I92147b858d8012c957cc03fab2d306740161e2f3

@@ -74,6 +74,8 @@ public class RoutingRulePopulator {
 
     /**
      * Returns the number of rules populated.
+     *
+     * @return number of rules
      */
     public long getCounter() {
         return rulePopulationCounter.get();

@@ -89,6 +89,12 @@
                             </packages>
                         </group>
                         <group>
+                            <title>NetConf Providers</title>
+                            <packages>
+                                org.onosproject.provider.netconf:org.onosproject.provider.netconf*
+                            </packages>
+                        </group>
+                        <group>
                             <title>Null Providers</title>
                             <packages>
                                 org.onosproject.provider.nil:org.onosproject.provider.nil.*

@@ -45,9 +45,10 @@ public abstract class Config<S> {
     /**
      * Initializes the configuration behaviour with necessary context.
      *
-     * @param subject configuration subject
-     * @param node    JSON object node where configuration data is stored
-     * @param mapper  JSON object mapper
+     * @param subject  configuration subject
+     * @param node     JSON object node where configuration data is stored
+     * @param mapper   JSON object mapper
+     * @param delegate delegate context
      */
     public void init(S subject, ObjectNode node, ObjectMapper mapper,
                      ConfigApplyDelegate<S> delegate) {

@@ -41,6 +41,8 @@ public interface NetworkConfigRegistry {
      * class of subject.
      *
      * @param subjectClass subject class
+     * @param <T> type of subject
+     * @return set of config factories
      */
     <T> Set<ConfigFactory<T>> getConfigFactories(Class<T> subjectClass);
 
@@ -49,6 +51,9 @@ public interface NetworkConfigRegistry {
      * subject type and key.
      *
      * @param subjectClass subject class
+     * @param configKey    configuration key
+     * @param <T> type of subject
+     * @return config factory
      */
     <T> ConfigFactory<T> getConfigFactory(Class<T> subjectClass, String configKey);
 
@@ -57,6 +62,8 @@ public interface NetworkConfigRegistry {
      * configuration class.
      *
      * @param configClass configuration class
+     * @param <T> type of subject
+     * @return config factory
      */
     <T> ConfigFactory<T> getConfigFactory(Class<Config<T>> configClass);
 

@@ -28,6 +28,7 @@ public interface NetworkConfigService {
      * Returns the set of subjects for which some configuration is available.
      *
      * @param subjectClass subject class
+     * @param <T> type of subject
      * @return set of configured subjects
      */
     <T> Set<T> getSubjects(Class<T> subjectClass);
@@ -38,6 +39,7 @@ public interface NetworkConfigService {
      *
      * @param subjectClass subject class
      * @param configClass  configuration class
+     * @param <T> type of subject
      * @return set of configured subjects
      */
     <T> Set<T> getSubjects(Class<T> subjectClass, Class<Config<T>> configClass);
@@ -47,6 +49,7 @@ public interface NetworkConfigService {
      * Returns all configurations for the specified subject.
      *
      * @param subject configuration subject
+     * @param <T> type of subject
      * @return set of configurations
      */
     <T> Set<Config<T>> getConfigs(T subject);
@@ -57,6 +60,7 @@ public interface NetworkConfigService {
      *
      * @param subject     configuration subject
      * @param configClass configuration class
+     * @param <T> type of subject
      * @return configuration or null if one is not available
      */
     <T> Config<T> getConfig(T subject, Class<Config<T>> configClass);

@@ -90,7 +90,10 @@ public class NetconfDevice {
 
     /**
      * This will try to connect to NETCONF device and find all the capabilities.
+     *
+     * @throws Exception if unable to connect to the device
      */
+    // FIXME: this should not be a generic Exception; perhaps wrap in some RuntimeException
     public void init() throws Exception {
         try {
             if (sshConnection == null) {

@@ -29,7 +29,7 @@
     <artifactId>onos-null-provider</artifactId>
     <packaging>bundle</packaging>
 
-    <description>Null southbound providers application</description>
+    <description>Null southbound providers</description>
 
     <properties>
         <onos.app.name>org.onosproject.null</onos.app.name>

@@ -41,6 +41,7 @@ public class Catalog {
      * Loads the catalog from the specified catalog file.
      *
      * @param catalogPath catalog file path
+     * @throws IOException if unable to read the catalog file
      */
     public void load(String catalogPath) throws IOException {
         InputStream is = new FileInputStream(catalogPath);

@@ -22,6 +22,7 @@ public class JavaSource extends JavaEntity {
      * Creates a new Java source entity.
      *
      * @param name java source file name
+     * @param path source file path
      */
     JavaSource(String name, String path) {
         super(name);
@@ -50,6 +51,7 @@ public class JavaSource extends JavaEntity {
 
     /**
      * Returns the set of resolved imports for this Java source
+     *
      * @return set of imports
      */
     public Set<JavaEntity> getImports() {
@@ -78,6 +80,7 @@ public class JavaSource extends JavaEntity {
 
     /**
      * Returns the set of imported, but unresolved, Java entity names.
+     *
      * @return set of imported Java entity names
      */
     Set<String> getImportNames() {