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Diffstat (limited to 'ridljar/com/sun/star/lib/uno/adapter/XOutputStreamToByteArrayAdapter.java')
-rw-r--r--ridljar/com/sun/star/lib/uno/adapter/XOutputStreamToByteArrayAdapter.java94
1 files changed, 94 insertions, 0 deletions
diff --git a/ridljar/com/sun/star/lib/uno/adapter/XOutputStreamToByteArrayAdapter.java b/ridljar/com/sun/star/lib/uno/adapter/XOutputStreamToByteArrayAdapter.java
new file mode 100644
index 000000000..48871277a
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+++ b/ridljar/com/sun/star/lib/uno/adapter/XOutputStreamToByteArrayAdapter.java
@@ -0,0 +1,94 @@
+/*
+ * 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 com.sun.star.io.*;
+import com.sun.star.lib.uno.helper.ComponentBase;
+
+public final class XOutputStreamToByteArrayAdapter
+ extends ComponentBase
+ implements XOutputStream
+{
+ private static final int initialSize = 100240; // 10 kb
+ private int size = 0;
+ private int position = 0;
+ private boolean externalBuffer = false;
+ private byte[] buffer;
+
+ /** Creates a new instance of ByteArrayXOutputStream */
+ public XOutputStreamToByteArrayAdapter() {
+ this(null);
+ }
+
+ public XOutputStreamToByteArrayAdapter(byte[] aBuffer) {
+ if (aBuffer != null) {
+ externalBuffer = true;
+ buffer = aBuffer;
+ size = buffer.length;
+ } else {
+ size = initialSize;
+ buffer = new byte[size];
+ }
+ }
+
+ public byte[] getBuffer() {
+ return buffer;
+ }
+
+ public void closeOutput()
+ throws com.sun.star.io.NotConnectedException,
+ com.sun.star.io.BufferSizeExceededException,
+ com.sun.star.io.IOException
+ {
+ // trim buffer
+ if ( buffer.length > position && !externalBuffer )
+ {
+ byte[] newBuffer = new byte[position];
+ System.arraycopy(buffer, 0, newBuffer, 0, position);
+ buffer = newBuffer;
+ }
+ }
+
+ public void flush()
+ throws com.sun.star.io.NotConnectedException,
+ com.sun.star.io.BufferSizeExceededException,
+ com.sun.star.io.IOException
+ {
+ }
+
+ public void writeBytes(byte[] values)
+ throws com.sun.star.io.NotConnectedException,
+ com.sun.star.io.BufferSizeExceededException,
+ com.sun.star.io.IOException
+ {
+ if ( values.length > size-position )
+ {
+ if ( externalBuffer )
+ throw new BufferSizeExceededException("out of buffer space, cannot grow external buffer");
+ while ( values.length > size-position ) {
+ size *= 2;
+ }
+ byte[] newBuffer = new byte[size];
+ System.arraycopy(buffer, 0, newBuffer, 0, position);
+ buffer = newBuffer;
+ }
+ System.arraycopy(values, 0, buffer, position, values.length);
+ position += values.length;
+ }
+
+}