1 files changed, 145 insertions, 0 deletions
diff --git a/ridljar/com/sun/star/lib/uno/adapter/InputStreamToXInputStreamAdapter.java b/ridljar/com/sun/star/lib/uno/adapter/InputStreamToXInputStreamAdapter.java
new file mode 100644
index 000000000000..3d60e5a1181a
--- /dev/null
+++ b/ridljar/com/sun/star/lib/uno/adapter/InputStreamToXInputStreamAdapter.java
@@ -0,0 +1,145 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+package com.sun.star.lib.uno.adapter;
+
+import java.io.IOException;
+
+import com.sun.star.io.XInputStream;
+
+import java.io.InputStream;
+
+/** The <code>InputStreamToInputXStreamAdapter</code> wraps the
+    Java <code>InputStream</code> object into a
+    UNO <code>XInputStream</code> object.
+    This allows users to access an <code>InputStream</code>
+    as if it were an <code>XInputStream</code>.
+ */
+public final class InputStreamToXInputStreamAdapter implements XInputStream {
+
+    /**
+     *  Internal store to the InputStream
+     */
+    private final InputStream iIn;
+
+    /**
+     *  Constructor.
+     *
+     *  @param  in  The <code>XInputStream</code> to be
+     *              accessed as an <code>InputStream</code>.
+     */
+    public InputStreamToXInputStreamAdapter (InputStream in)
+    {
+        iIn = in;
+    }
+
+    public int available() throws
+            com.sun.star.io.IOException
+    {
+
+        int bytesAvail;
+
+        try {
+            bytesAvail = iIn.available();
+        } catch (IOException e) {
+            throw new com.sun.star.io.IOException(e);
+        }
+
+        return bytesAvail;
+    }
+
+    public void closeInput() throws
+            com.sun.star.io.IOException
+    {
+        try {
+            iIn.close();
+        } catch (IOException e) {
+            throw new com.sun.star.io.IOException(e);
+        }
+    }
+
+    public int readBytes(byte[][] b, int len) throws
+            com.sun.star.io.IOException
+    {
+        try {
+        long bytesRead;
+        if (len >iIn.available()) {
+            bytesRead = iIn.read(b[0], 0, iIn.available());
+        }
+        else{
+            bytesRead = iIn.read(b[0], 0, len);
+        }
+            // Casting bytesRead to an int is okay, since the user can
+            // only pass in an integer length to read, so the bytesRead
+            // must <= len.
+
+            if (bytesRead <= 0) {
+                return 0;
+        }
+        return ((int)bytesRead);
+
+
+        } catch (IOException e) {
+            throw new com.sun.star.io.IOException("reader error", e);
+        }
+    }
+
+    public int readSomeBytes(byte[][] b, int len) throws
+            com.sun.star.io.IOException
+    {
+        try {
+        long bytesRead;
+        if (len >iIn.available()) {
+            bytesRead = iIn.read(b[0], 0, iIn.available());
+        }
+        else{
+            bytesRead = iIn.read(b[0], 0, len);
+        }
+            // Casting bytesRead to an int is okay, since the user can
+            // only pass in an integer length to read, so the bytesRead
+            // must <= len.
+
+            if (bytesRead <= 0) {
+                return 0;
+        }
+        return ((int)bytesRead);
+
+
+        } catch (IOException e) {
+            throw new com.sun.star.io.IOException("reader error", e);
+        }
+    }
+
+    public void skipBytes(int n) throws
+            com.sun.star.io.IOException
+    {
+        try {
+            iIn.available();
+        } catch (IOException e) {
+            throw new com.sun.star.io.IOException(e);
+        }
+
+        do {
+            try {
+                n -= iIn.skip(n);
+            } catch (IOException e) {
+                throw new com.sun.star.io.IOException(e);
+            }
+        } while (n > 0);
+    }
+}
+