java: make fields final where possible

found by PMD

Change-Id: I87780366119c141cd2dafe6ca1bf2d9798b10aec

3 files changed, 7 insertions, 19 deletions

diff --git a/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeInputStreamHelper.java b/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeInputStreamHelper.java
index c8e7d5d84b03..66b6f5489862 100644
--- a/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeInputStreamHelper.java
+++ b/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeInputStreamHelper.java
@@ -15,18 +15,13 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
- /*
- * NativeInputStreamHelper.java
- *
- * Created on 9. September 2004, 11:51
- */
 
 package com.sun.star.sdbcx.comp.hsqldb;
 
 public class NativeInputStreamHelper extends java.io.InputStream{
-    private String key;
-    private String file;
-    private StorageNativeInputStream in;
+    private final String key;
+    private final String file;
+    private final StorageNativeInputStream in;
     /** Creates a new instance of NativeInputStreamHelper */
     public NativeInputStreamHelper(String key,String _file) {
         file = _file;
diff --git a/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeOutputStreamHelper.java b/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeOutputStreamHelper.java
index 24776f25c2f4..6445f24139d4 100644
--- a/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeOutputStreamHelper.java
+++ b/connectivity/com/sun/star/sdbcx/comp/hsqldb/NativeOutputStreamHelper.java
@@ -15,20 +15,13 @@
  *   except in compliance with the License. You may obtain a copy of
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
-
-/*
- * NativeOutputStreamHelper.java
- *
- * Created on 1. September 2004, 10:39
- */
-
 package com.sun.star.sdbcx.comp.hsqldb;
 
 public class NativeOutputStreamHelper extends java.io.OutputStream{
 
-    private String key;
-    private String file;
-    private StorageNativeOutputStream out;
+    private final String key;
+    private final String file;
+    private final StorageNativeOutputStream out;
     /** Creates a new instance of NativeOutputStreamHelper */
     public NativeOutputStreamHelper(String key,String _file) {
         file = _file;
diff --git a/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageFileAccess.java b/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageFileAccess.java
index 9248cdf5a546..2f3d99be6655 100644
--- a/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageFileAccess.java
+++ b/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageFileAccess.java
@@ -72,7 +72,7 @@ public class StorageFileAccess implements org.hsqldb.lib.FileAccess{
 
     private class FileSync implements FileAccess.FileSync
     {
-        private NativeOutputStreamHelper os;
+        private final NativeOutputStreamHelper os;
         private FileSync(NativeOutputStreamHelper _os)
         {
             os = _os;