fix quality flaws

- add static inner class
- make methods static
- declare one field by line

1 files changed, 1 insertions, 6 deletions

diff --git a/sonar-plugin-api/src/main/java/org/sonar/api/utils/ZipUtils.java b/sonar-plugin-api/src/main/java/org/sonar/api/utils/ZipUtils.java
index 45903251411..1e33ff929e5 100644
--- a/sonar-plugin-api/src/main/java/org/sonar/api/utils/ZipUtils.java
+++ b/sonar-plugin-api/src/main/java/org/sonar/api/utils/ZipUtils.java
@@ -65,12 +65,7 @@ public final class ZipUtils {
   }
 
   public static File unzip(InputStream zip, File toDir) throws IOException {
-    unzip(zip, toDir, new ZipEntryFilter() {
-      @Override
-      public boolean accept(ZipEntry entry) {
-        return true;
-      }
-    });
+    unzip(zip, toDir, TrueZipEntryFilter.INSTANCE);
     return toDir;
   }