--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaextensions/midprms_db/javasrc/com/nokia/mj/impl/rms/RmsFileInfo.java	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: RmsFileInfo
+*
+*/
+
+
+package com.nokia.mj.impl.rms;
+import javax.microedition.rms.*;
+
+import com.nokia.mj.impl.fileutils.*;
+import com.nokia.mj.impl.utils.*;
+
+/**
+ * RmsFileInfo provides file size related information.
+ * Size information is cached for performance reasons and it can be
+ * updated with separate command.
+ */
+class RmsFileInfo
+{
+    private FileUtility iFile;
+    private long iFileSize;
+    private long iAvailableSize;
+    private boolean iDataInitialized;
+
+    private static final long MAX_RMS_SIZE = 32000000; // MB
+
+    public RmsFileInfo(String aFilename)
+    {
+        iFile = new FileUtility(aFilename);
+        iDataInitialized = false;
+    }
+
+    public void refreshData()
+    {
+        iFileSize = getSize();
+        iAvailableSize = getAvailableSize();
+        iDataInitialized = true;
+    }
+
+    public long size()
+    {
+        ensureDataInitialized();
+        return iFileSize;
+    }
+
+    public long availableSize()
+    {
+        ensureDataInitialized();
+        return iAvailableSize;
+    }
+
+    private void ensureDataInitialized()
+    {
+        if (!iDataInitialized)
+        {
+            refreshData();
+        }
+    }
+
+    private long getSize()
+    {
+        long size = 0;
+        try
+        {
+            size = iFile.fileSize();
+        }
+        catch (Exception e)
+        {
+            Logger.ELOG(Logger.EMidpRms, "size() failed", e);
+        }
+        if (size < 0)
+        {
+            size = 0;
+        }
+        return size;
+    }
+
+    private long getAvailableSize()
+    {
+        long sizeLeft = MAX_RMS_SIZE - getSize();
+        long result = 0;
+
+        if (sizeLeft > 0)
+        {
+            long availableSize = getFreeSpace();
+            result = Math.min(availableSize, sizeLeft);
+        }
+        return result;
+    }
+
+    private long getFreeSpace()
+    {
+        long size = 0;
+        try
+        {
+            size = iFile.availableSize();
+        }
+        catch (Exception e)
+        {
+            Logger.ELOG(Logger.EMidpRms, "availableSize()" , e);
+        }
+        if (size < 0)
+        {
+            size = 0;
+        }
+        return size;
+    }
+
+}
+