diff --git a/package/qa/storages/BorderedStream.java b/package/qa/storages/BorderedStream.java
new file mode 100644
index 000000000000..7972b7a3ef0a
--- /dev/null
+++ b/package/qa/storages/BorderedStream.java
@@ -0,0 +1,195 @@
+package complex.storages;
+
+import com.sun.star.uno.XInterface;
+import com.sun.star.lang.XMultiServiceFactory;
+import com.sun.star.lang.XSingleServiceFactory;
+
+import com.sun.star.bridge.XUnoUrlResolver;
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.uno.XInterface;
+
+import com.sun.star.io.XStream;
+import com.sun.star.io.XInputStream;
+import com.sun.star.io.XOutputStream;
+import com.sun.star.io.XTruncate;
+import com.sun.star.io.XSeekable;
+
+
+public class BorderedStream
+    implements XStream, XInputStream, XOutputStream, XTruncate, XSeekable
+{
+    int m_nMaxSize;
+    int m_nCurSize;
+    int m_nCurPos;
+    byte m_pBytes[];
+
+    public BorderedStream( int nMaxSize )
+    {
+        m_nMaxSize = nMaxSize;
+        m_nCurSize = 0;
+        m_nCurPos = 0;
+        m_pBytes = new byte[m_nMaxSize];
+    }
+
+    //==============
+    // XStream
+    //==============
+
+    // ----------------------------------------------------------
+    public synchronized XInputStream getInputStream()
+        throws com.sun.star.uno.RuntimeException
+    {
+        return (XInputStream)UnoRuntime.queryInterface( XInputStream.class, this );
+    }
+
+    // ----------------------------------------------------------
+    public synchronized XOutputStream getOutputStream()
+        throws com.sun.star.uno.RuntimeException
+    {
+        return (XOutputStream)UnoRuntime.queryInterface( XOutputStream.class, this );
+    }
+
+    //==============
+    // XInputStream
+    //==============
+
+    // ----------------------------------------------------------
+    public synchronized int readBytes( byte[][] aData, int nBytesToRead )
+        throws  com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        int nRead = 0;
+        if ( m_pBytes != null && nBytesToRead > 0 )
+        {
+            int nAvailable = m_nCurSize - m_nCurPos;
+            if ( nBytesToRead > nAvailable )
+                nBytesToRead = nAvailable;
+
+            aData[0] = new byte[nBytesToRead];
+            for ( int nInd = 0; nInd < nBytesToRead; nInd++ )
+                aData[0][nInd] = m_pBytes[m_nCurPos+nInd];
+
+            nRead = nBytesToRead;
+            m_nCurPos += nRead;
+        }
+        else
+        {
+            aData[0] = new byte[0];
+        }
+
+        return nRead;
+    }
+
+    // ----------------------------------------------------------
+    public synchronized int readSomeBytes( byte[][] aData, int nMaxBytesToRead )
+        throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        return readBytes( aData, nMaxBytesToRead );
+    }
+
+    // ----------------------------------------------------------
+    public synchronized void skipBytes( int nBytesToSkip  )
+        throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        if ( nBytesToSkip < 0 )
+            throw new com.sun.star.io.IOException(); // illegal argument
+
+        if ( m_nCurSize - m_nCurPos > nBytesToSkip )
+            m_nCurPos += nBytesToSkip;
+        else
+            m_nCurPos = m_nCurSize;
+    }
+
+    // ----------------------------------------------------------
+    public synchronized int available()
+        throws com.sun.star.io.NotConnectedException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        return 0;
+    }
+
+    // ----------------------------------------------------------
+    public synchronized void closeInput()
+        throws com.sun.star.io.NotConnectedException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        // no need to do anything
+    }
+
+
+    //==============
+    // XOutputStream
+    //==============
+
+    // ----------------------------------------------------------
+    public synchronized void writeBytes( byte[] aData  )
+        throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        if ( m_pBytes != null && aData.length > 0 )
+        {
+            if ( aData.length > m_nMaxSize - m_nCurPos )
+                throw new com.sun.star.io.IOException();
+
+            for ( int nInd = 0; nInd < aData.length; nInd++ )
+                m_pBytes[m_nCurPos+nInd] = aData[nInd];
+
+            m_nCurPos += aData.length;
+            if ( m_nCurPos > m_nCurSize )
+                m_nCurSize = m_nCurPos;
+        }
+    }
+
+    // ----------------------------------------------------------
+    public synchronized void flush()
+        throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        // nothing to do
+    }
+
+    // ----------------------------------------------------------
+    public synchronized void closeOutput()
+        throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        // nothing to do
+    }
+
+
+    //==============
+    // XTruncate
+    //==============
+
+    // ----------------------------------------------------------
+    public synchronized void truncate()
+        throws com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        m_nCurSize = 0;
+        m_nCurPos = 0;
+    }
+
+
+    //==============
+    // XSeekable
+    //==============
+
+    // ----------------------------------------------------------
+    public synchronized void seek( long location )
+        throws com.sun.star.lang.IllegalArgumentException, com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        if ( location > (long)m_nCurSize )
+            throw new com.sun.star.lang.IllegalArgumentException();
+
+        m_nCurPos = (int)location;
+    }
+
+    // ----------------------------------------------------------
+    public synchronized long getPosition()
+        throws com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        return (long)m_nCurPos;
+    }
+
+    // ----------------------------------------------------------
+    public synchronized long getLength()
+        throws com.sun.star.io.IOException, com.sun.star.uno.RuntimeException
+    {
+        return (long)m_nCurSize;
+    }
+};
+