Sonar issues clean-up

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / Utils.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/Utils.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/Utils.java
index 980abfef6081e677c3a4a3a59a946a5fc58c2d59..99ca6c126c5243d4303cb9fc60cb4f11d45f8624 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/Utils.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/Utils.java
@@ -52,9 +52,6 @@ import org.slf4j.LoggerFactory;
 
 public final class Utils {
 
-    private Utils() {
-    }
-
     private static final Logger LOG = LoggerFactory.getLogger(Utils.class);
     private static final CharMatcher DOUBLE_QUOTE_MATCHER = CharMatcher.is('"');
     private static final CharMatcher SINGLE_QUOTE_MATCHER = CharMatcher.is('\'');
@@ -63,6 +60,9 @@ public final class Utils {
 
     private static final String REGEX_PATH_ABS = "/[^/].*";
 
+    private Utils() {
+    }
+
     public static List<String> splitPathToNodeNames(String path) {
 
         Splitter keySplitter = Splitter.on(SEPARATOR_NODENAME).omitEmptyStrings().trimResults();
@@ -141,7 +141,7 @@ public final class Utils {
     public static String stringFromStringContext(final YangStatementParser.ArgumentContext context) {
         StringBuilder sb = new StringBuilder();
         List<TerminalNode> strings = context.STRING();
-        if (strings.size() == 0) {
+        if (strings.isEmpty()) {
             strings = Arrays.asList(context.IDENTIFIER());
         }
         for (TerminalNode stringNode : strings) {
@@ -163,7 +163,7 @@ public final class Utils {
 
     public static QName qNameFromArgument(StmtContext<?, ?, ?> ctx, String value) {
 
-        String prefix = null;
+        String prefix;
         QNameModule qNameModule = null;
         try {
             qNameModule = QNameModule.create(new URI(""), new Date(0));