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Diffstat (limited to 'ridljar/com/sun/star/lib/uno/adapter/ByteArrayToXInputStreamAdapter.java')
-rw-r--r--ridljar/com/sun/star/lib/uno/adapter/ByteArrayToXInputStreamAdapter.java117
1 files changed, 117 insertions, 0 deletions
diff --git a/ridljar/com/sun/star/lib/uno/adapter/ByteArrayToXInputStreamAdapter.java b/ridljar/com/sun/star/lib/uno/adapter/ByteArrayToXInputStreamAdapter.java
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+++ b/ridljar/com/sun/star/lib/uno/adapter/ByteArrayToXInputStreamAdapter.java
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+/*
+ * 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.XInputStream;
+import com.sun.star.io.XSeekable;
+import com.sun.star.lib.uno.helper.ComponentBase;
+
+public final class ByteArrayToXInputStreamAdapter
+ extends ComponentBase
+ implements XInputStream, XSeekable
+{
+
+ byte[] m_bytes;
+ int m_length;
+ int m_pos;
+
+ boolean m_open;
+
+ /** Creates a new instance of ByteArrayXInputStram */
+ public ByteArrayToXInputStreamAdapter(byte[] bytes) {
+ init(bytes);
+ }
+
+ public void init(byte[] bytes) {
+ m_bytes = bytes;
+ m_length = bytes.length;
+ m_pos = 0;
+ m_open = true;
+ }
+
+ private void _check() throws com.sun.star.io.NotConnectedException, com.sun.star.io.IOException {
+ if (m_bytes == null) {
+ throw new com.sun.star.io.NotConnectedException("no bytes");
+ }
+ if(!m_open) {
+ throw new com.sun.star.io.IOException("input closed");
+ }
+ }
+
+ public int available() throws com.sun.star.io.NotConnectedException, com.sun.star.io.IOException {
+ _check();
+ long a = m_length - m_pos;
+ if (a != (int)a)
+ throw new com.sun.star.io.IOException("integer overflow");
+ else {
+ return (int)a;
+ }
+ }
+
+ public void closeInput() throws com.sun.star.io.NotConnectedException, com.sun.star.io.IOException {
+ _check();
+ m_open = false;
+ }
+
+ public int readBytes(byte[][] values, int param) throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException {
+ _check();
+ try {
+ int remain = (m_length - m_pos);
+ if (param > remain) param = remain;
+ /* ARGH!!! */
+ if (values[0] == null){
+ values[0] = new byte[param];
+ }
+ System.arraycopy(m_bytes, m_pos, values[0], 0, param);
+ m_pos += param;
+ return param;
+ } catch (ArrayIndexOutOfBoundsException ex) {
+ throw new com.sun.star.io.BufferSizeExceededException(ex, "buffer overflow");
+ } catch (Exception ex) {
+ throw new com.sun.star.io.IOException(ex, "error accessing buffer");
+ }
+ }
+
+ public int readSomeBytes(byte[][] values, int param) throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException {
+ return readBytes(values, param);
+ }
+
+ public void skipBytes(int param) throws com.sun.star.io.NotConnectedException, com.sun.star.io.BufferSizeExceededException, com.sun.star.io.IOException {
+ _check();
+ if (param > (m_length - m_pos))
+ throw new com.sun.star.io.BufferSizeExceededException("buffer overflow");
+ m_pos += param;
+ }
+
+ public long getLength() throws com.sun.star.io.IOException {
+ if (m_bytes != null) return m_length;
+ else throw new com.sun.star.io.IOException("no bytes");
+ }
+
+ public long getPosition() throws com.sun.star.io.IOException {
+ if (m_bytes != null) return m_pos;
+ else throw new com.sun.star.io.IOException("no bytes");
+ }
+
+ public void seek(long param) throws com.sun.star.lang.IllegalArgumentException, com.sun.star.io.IOException {
+ if (m_bytes != null){
+ if (param < 0 || param > m_length) throw new com.sun.star.lang.IllegalArgumentException("invalid seek position");
+ else m_pos = (int)param;
+ }else throw new com.sun.star.io.IOException("no bytes");
+ }
+}