Migrate isFoo() callers
[controller.git] / opendaylight / md-sal / messagebus-util / src / main / java / org / opendaylight / controller / messagebus / app / util / Util.java
index cc2066256d7d8c91d4a3ec5a6eacae7479662aee..0b28e55886decc0cd43fffbea87af5b53ad734d1 100644 (file)
@@ -8,30 +8,28 @@
 
 package org.opendaylight.controller.messagebus.app.util;
 
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.concurrent.Future;
 import java.util.regex.Pattern;
-
 import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 
-import com.google.common.util.concurrent.Futures;
-
-
 public final class Util {
+    private Util() {
+    }
 
-    public static <T> Future<RpcResult<T>> resultRpcSuccessFor(final T output) {
-        final RpcResult<T> result = RpcResultBuilder.success(output).build();
-        return Futures.immediateFuture(result);
+    public static <T> ListenableFuture<RpcResult<T>> resultRpcSuccessFor(final T output) {
+        return Futures.immediateFuture(RpcResultBuilder.success(output).build());
     }
 
     /**
-     * Method filters qnames based on wildcard strings
+     * Method filters qnames based on wildcard strings.
      *
-     * @param list
-     * @param patterh matching pattern
+     * @param list list of SchemaPaths
+     * @param pattern matching pattern
      * @return list of filtered qnames
      */
     public static List<SchemaPath> expandQname(final List<SchemaPath> list, final Pattern pattern) {
@@ -47,15 +45,13 @@ public final class Util {
     }
 
     /**
-     * CREDIT to http://www.rgagnon.com/javadetails/java-0515.html
-     * @param wildcard
-     * @return
+     * CREDIT to http://www.rgagnon.com/javadetails/java-0515.html.
      */
-    public static String wildcardToRegex(final String wildcard){
-        final StringBuffer s = new StringBuffer(wildcard.length());
+    public static String wildcardToRegex(final String wildcard) {
+        final StringBuilder s = new StringBuilder(wildcard.length());
         s.append('^');
         for (final char c : wildcard.toCharArray()) {
-            switch(c) {
+            switch (c) {
                 case '*':
                     s.append(".*");
                     break;