more javadoc fixes #2056

Signed-off-by: olivier lamy <olamy@webtide.com>

jetty-gcloud/jetty-gcloud-session-manager/src/main/java/org/eclipse/jetty/gcloud/session/GCloudSessionDataStore.java

@@ -838,12 +838,10 @@ public class GCloudSessionDataStore extends AbstractSessionDataStore
     /**
      * Check to see if indexes are available, in which case
      * we can do more performant queries.
-     * @return
+     * @return <code>true</code> if indexes are available
      */
-    protected boolean checkIndexes ()
+    protected boolean checkIndexes()
     {
-        long start =0;
-        
         try
         {
             Query<ProjectionEntity> query = Query.newProjectionEntityQueryBuilder()

jetty-maven-plugin/src/main/java/org/eclipse/jetty/maven/plugin/ServerSupport.java

@@ -183,7 +183,7 @@ public class ServerSupport
         if (files == null || files.isEmpty())
             return server;
 
-        Map<String,Object> lastMap = new HashMap<String,Object>();
+        Map<String,Object> lastMap = new HashMap<>();
 
         if (server != null)
             lastMap.put("Server", server);
@@ -231,7 +231,7 @@ public class ServerSupport
      * @param files the xml configs to apply
      * @return the Server after application of configs
      * 
-     * @throws Exception
+     * @throws Exception if unable to apply the xml configuration
      */
     public static Server applyXmlConfigurations (Server server, List<File> files) 
             throws Exception

jetty-maven-plugin/src/main/java/org/eclipse/jetty/maven/plugin/Starter.java

@@ -240,7 +240,7 @@ public class Starter
     }
     
     /**
-     * @param args
+     * @param args Starter arguments
      */
     public static final void main(String[] args)
     {

jetty-maven-plugin/src/main/java/org/eclipse/jetty/maven/plugin/WebAppPropertyConverter.java

@@ -53,7 +53,7 @@ public class WebAppPropertyConverter
      * @param webApp the webapp to convert
      * @param propsFile the file to put the properties into
      * @param contextXml the optional context xml file related to the webApp
-     * @throws Exception 
+     * @throws Exception if any I/O exception occurs
      */
     public static void toProperties(JettyWebAppContext webApp, File propsFile, String contextXml)
     throws Exception
@@ -114,7 +114,7 @@ public class WebAppPropertyConverter
 
         //web-inf lib
         List<File> deps = webApp.getWebInfLib();
-        StringBuffer strbuff = new StringBuffer();
+        StringBuilder strbuff = new StringBuilder();
         if (deps != null)
         {
             for (int i=0; i<deps.size(); i++)
@@ -146,7 +146,7 @@ public class WebAppPropertyConverter
      * @param resource the properties file to apply     
      * @param server the Server instance to use
      * @param jettyProperties jetty properties to use if there is a context xml file to apply
-     * @throws Exception
+     * @throws Exception if any I/O exception occurs
      */
     public static void fromProperties (JettyWebAppContext webApp, String resource, Server server, Map<String,String> jettyProperties)
     throws Exception
@@ -164,7 +164,7 @@ public class WebAppPropertyConverter
      * @param propsFile the properties to apply
      * @param server the Server instance to use if there is a context xml file to apply
      * @param jettyProperties jetty properties to use if there is a context xml file to apply
-     * @throws Exception
+     * @throws Exception if any I/O exception occurs
      */
     public static void fromProperties (JettyWebAppContext webApp, File propsFile, Server server, Map<String,String> jettyProperties)
     throws Exception
@@ -251,7 +251,7 @@ public class WebAppPropertyConverter
         //the pom to override the context xml file, but as the other mojos all
         //configure a WebAppContext in the pom (the <webApp> element), it is 
         //already configured by the time the context xml file is applied.
-        str = (String)props.getProperty("context.xml");
+        str = props.getProperty("context.xml");
         if (!StringUtil.isBlank(str))
         {
             XmlConfiguration xmlConfiguration = new XmlConfiguration(Resource.newResource(str).getURI().toURL());

jetty-memcached/jetty-memcached-sessions/src/main/java/org/eclipse/jetty/memcached/session/MemcachedSessionDataMap.java

@@ -87,7 +87,7 @@ public class MemcachedSessionDataMap extends AbstractLifeCycle implements Sessio
     
     
     /**
-     * @param sec
+     * @param sec the expiry to use in seconds
      */
     public void setExpirySec (int sec)
     {

jetty-nosql/src/main/java/org/eclipse/jetty/nosql/mongodb/MongoSessionDataStoreFactory.java

@@ -126,8 +126,7 @@ public class MongoSessionDataStoreFactory extends AbstractSessionDataStoreFactor
 
 
     /**
-     * @throws MongoException
+     * @throws Exception  {@link UnknownHostException} if any issue while resolving MongoDB Host
-     * @throws UnknownHostException
      * @see org.eclipse.jetty.server.session.SessionDataStoreFactory#getSessionDataStore(org.eclipse.jetty.server.session.SessionHandler)
      */
     @Override

jetty-osgi/jetty-osgi-boot-jsp/src/main/java/org/eclipse/jetty/osgi/boot/jasper/ContainerTldBundleDiscoverer.java

@@ -146,7 +146,7 @@ public class ContainerTldBundleDiscoverer implements TldBundleDiscoverer
 
     /**
      * Check that jsp is on the classpath
-     * @return
+     * @return <code>true</code> if jsp is available in the environment
      */
     public boolean isJspAvailable()
     {
@@ -195,7 +195,7 @@ public class ContainerTldBundleDiscoverer implements TldBundleDiscoverer
     /**
      * Find the bundle that contains a jstl implementation class, which assumes that
      * the jstl taglibs will be inside the same bundle.
-     * @return
+     * @return Bundle contains the jstl implementation class
      */
     public Bundle findJstlBundle ()
     {

jetty-osgi/jetty-osgi-boot-jsp/src/main/java/org/eclipse/jetty/osgi/boot/jasper/JSTLBundleDiscoverer.java

@@ -120,7 +120,7 @@ public class JSTLBundleDiscoverer implements TldBundleDiscoverer
      * Unsupported: the bundle is a jar that embeds more jars.
      * 
      * @return array of URLs
-     * @throws Exception
+     * @throws Exception In case of errors during resolving TLDs files
      */
     public URL[] getUrlsForBundlesWithTlds(DeploymentManager deployer, BundleFileLocatorHelper locatorHelper) throws Exception
     {

jetty-osgi/jetty-osgi-boot-warurl/src/main/java/org/eclipse/jetty/osgi/boot/warurl/WarUrlActivator.java

@@ -39,7 +39,7 @@ public class WarUrlActivator implements BundleActivator
     /**
      * Register the url stream handler factory.
      * 
-     * @param context
+     * @param context the {@link BundleContext} to use
      */
     @SuppressWarnings("unchecked")
     public void start(BundleContext context) throws Exception

jetty-osgi/jetty-osgi-boot-warurl/src/main/java/org/eclipse/jetty/osgi/boot/warurl/internal/WarURLConnection.java

@@ -52,6 +52,7 @@ public class WarURLConnection extends URLConnection
      * a new temporary file ust to replace the manifest.
      * @param newmanifest The new manifest
      * @param rawIn The file input stream or equivalent. not the jar input stream.
+     * @throws IOException if an I/O error occurs.
      */
     public static InputStream substitueManifest(final Manifest newmanifest,
             final InputStream rawIn) throws IOException
@@ -106,6 +107,7 @@ public class WarURLConnection extends URLConnection
      * @param url The file url (for example)
      * @param mf The manifest to use as a replacement to the jar file inside
      * the file url.
+     * @throws IOException if an I/O error occurs.
      */
     public WarURLConnection(URL url, Manifest mf) throws IOException
     {

jetty-osgi/jetty-osgi-boot/src/main/java/org/eclipse/jetty/osgi/boot/utils/TldBundleDiscoverer.java

@@ -33,10 +33,10 @@ public interface TldBundleDiscoverer
     /**
      * Find bundles that contain tlds and convert into URL references to their location.
      * 
-     * @param manager
+     * @param manager The {@link DeploymentManager} instance to use
-     * @param fileLocator
+     * @param fileLocator the {@link BundleFileLocatorHelper} instance to use
      * @return array of URLs representing locations of tld containing bundles
-     * @throws Exception
+     * @throws Exception In case of errors during resolving TLDs files
      */
     URL[] getUrlsForBundlesWithTlds(DeploymentManager manager, BundleFileLocatorHelper fileLocator) throws Exception;
 

jetty-osgi/jetty-osgi-boot/src/main/java/org/eclipse/jetty/osgi/boot/utils/Util.java

@@ -42,12 +42,12 @@ public class Util
     /**
      * Create an osgi filter for the given classname and server name.
      * 
-     * @param bundleContext
+     * @param bundleContext the {@link BundleContext} instance to use
      * @param classname the class to match on the filter
      * @param managedServerName the name of the jetty server instance
      * @return a new filter
      * 
-     * @throws InvalidSyntaxException
+     * @throws InvalidSyntaxException If the filter contains an invalid string that cannot be parsed.
      */
     public static Filter createFilter (BundleContext bundleContext, String classname, String managedServerName) throws InvalidSyntaxException
     {