1 files changed, 166 insertions, 0 deletions
diff --git a/javaunohelper/com/sun/star/lib/uno/adapter/InputStreamToXInputStreamAdapter.java b/javaunohelper/com/sun/star/lib/uno/adapter/InputStreamToXInputStreamAdapter.java
new file mode 100644
index 000000000000..59ed553b3272
--- /dev/null
+++ b/javaunohelper/com/sun/star/lib/uno/adapter/InputStreamToXInputStreamAdapter.java
@@ -0,0 +1,166 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+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 class InputStreamToXInputStreamAdapter implements XInputStream {
+
+    /**
+     *  Internal store to the InputStream
+     */
+    private 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.toString());
+        }
+
+        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.toString());
+        }
+    }
+
+    public int readBytes(byte[][] b, int len) throws
+            com.sun.star.io.IOException
+    {
+        int count = 0;
+        try {
+        long bytesRead=0;
+        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.toString());
+        }
+    }
+
+    public int readSomeBytes(byte[][] b, int len) throws
+            com.sun.star.io.IOException
+    {
+        int count = 0;
+        try {
+        long bytesRead=0;
+        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.toString());
+        }
+    }
+
+    public void skipBytes(int n) throws
+            com.sun.star.io.IOException
+    {
+        int avail;
+        int tmpLongVal = n;
+        int  tmpIntVal;
+
+        try {
+            avail = iIn.available();
+        } catch (IOException e) {
+            throw new com.sun.star.io.IOException(e.toString());
+        }
+
+        do {
+            if (tmpLongVal >= Integer.MAX_VALUE) {
+               tmpIntVal = Integer.MAX_VALUE;
+            } else {
+               // Casting is safe here.
+               tmpIntVal = (int)tmpLongVal;
+            }
+            tmpLongVal -= tmpIntVal;
+
+            try {
+                iIn.skip(tmpIntVal);
+            } catch (IOException e) {
+                throw new com.sun.star.io.IOException(e.toString());
+            }
+        } while (tmpLongVal > 0);
+    }
+}
+