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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 helper;
+
+import com.sun.star.uno.UnoRuntime;
+
+
+import com.sun.star.ucb.XSimpleFileAccess;
+
+/**
+ * It simulates an input and output stream and
+ * implements the interfaces XInputStream, XOutputStream.
+ * So it can be used for testing loading/saving of documents
+ * using streams instead of URLs.
+ *
+ */
+public class StreamSimulator implements com.sun.star.io.XInputStream ,
+ com.sun.star.io.XOutputStream ,
+ com.sun.star.io.XSeekable
+{
+
+ /**
+ * @member m_sFileName name of the corresponding file on disk
+ * @member m_xInStream the internal input stream for reading
+ * @member m_xOutStream the internal input stream for writing
+ * @member m_xSeek points at runtime to m_xInStream or m_xOutStream and make it seekable
+ *
+ * @member //m_aProtocol the external set protocol object for logging messages
+ * @member m_bInWasUsed indicates, that the input stream interface was used
+ * @member m_bOutWasUsed indicates, that the output stream interface was used
+ */
+
+ private com.sun.star.io.XInputStream m_xInStream ;
+ private com.sun.star.io.XOutputStream m_xOutStream ;
+ private com.sun.star.io.XSeekable m_xSeek ;
+
+
+
+
+
+ /**
+ * construct a new instance of this class
+ * It set the name of the corresponding file on disk, which
+ * should be source or target for the following operations on
+ * this object. And it regulate if it should function as
+ * input or output stream.
+ *
+ * @param sFileName
+ * name of the file on disk
+ * Will be used as source (if param bInput==true)
+ * or as target (if param bInput==false).
+ *
+ * @param bInput
+ * it specify, which interface should work at this object.
+ * <TRUE/> => we simulate an input stream
+ * <FALSE/> => we simulate an output stream
+ *
+ * @throw com.sun.star.io.NotConnectedException
+ * in case the internal streams to the file on disk couldn't established.
+ * They are necessary. Otherwise this simulator can't really work.
+ */
+ public StreamSimulator( String sFileName , boolean bInput ,
+ lib.TestParameters param ) throws com.sun.star.io.NotConnectedException
+ {
+ try
+ {
+ XSimpleFileAccess xHelper = UnoRuntime.queryInterface(XSimpleFileAccess.class,
+ param.getMSF().createInstance("com.sun.star.ucb.SimpleFileAccess"));
+
+ if (xHelper == null)
+ throw new com.sun.star.io.NotConnectedException("ucb helper not available. Can't create streams.");
+
+ if (bInput)
+ {
+ m_xInStream = xHelper.openFileRead(sFileName);
+ m_xSeek = UnoRuntime.queryInterface(
+ com.sun.star.io.XSeekable.class,
+ m_xInStream);
+ }
+ else
+ {
+ m_xOutStream = xHelper.openFileWrite(sFileName);
+ m_xSeek = UnoRuntime.queryInterface(
+ com.sun.star.io.XSeekable.class,
+ m_xOutStream);
+ }
+ }
+ catch(com.sun.star.uno.Exception exUno)
+ {
+ throw new com.sun.star.io.NotConnectedException(exUno);
+ }
+ }
+
+ /**
+ * following methods simulates the XInputStream.
+ * The notice all actions inside the internal protocol
+ * and try to map all necessary functions to the internal
+ * open in-stream.
+ */
+ public int readBytes( /*OUT*/ byte[][] lData ,
+ /*IN*/ int nBytesToRead ) throws com.sun.star.io.NotConnectedException ,
+ com.sun.star.io.BufferSizeExceededException,
+ com.sun.star.io.IOException
+ {
+ if (m_xInStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ int nRead = 0;
+ try
+ {
+ nRead = m_xInStream.readBytes(lData,nBytesToRead);
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.BufferSizeExceededException exBuffer ) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+
+ return nRead;
+ }
+
+
+
+ public int readSomeBytes( /*OUT*/ byte[][] lData ,
+ /*IN*/ int nMaxBytesToRead ) throws com.sun.star.io.NotConnectedException ,
+ com.sun.star.io.BufferSizeExceededException ,
+ com.sun.star.io.IOException
+ {
+ if (m_xInStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ int nRead = 0;
+ try
+ {
+ nRead = m_xInStream.readSomeBytes(lData,nMaxBytesToRead);
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.BufferSizeExceededException exBuffer ) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+
+ return nRead;
+ }
+
+
+
+ public void skipBytes( /*IN*/ int nBytesToSkip ) throws com.sun.star.io.NotConnectedException ,
+ com.sun.star.io.BufferSizeExceededException ,
+ com.sun.star.io.IOException
+ {
+ if (m_xInStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ try
+ {
+ m_xInStream.skipBytes(nBytesToSkip);
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.BufferSizeExceededException exBuffer ) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+ }
+
+
+
+ public int available() throws com.sun.star.io.NotConnectedException,
+ com.sun.star.io.IOException
+ {
+ if (m_xInStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ int nAvailable = 0;
+ try
+ {
+ nAvailable = m_xInStream.available();
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+
+ return nAvailable;
+ }
+
+
+
+ public void closeInput() throws com.sun.star.io.NotConnectedException,
+ com.sun.star.io.IOException
+ {
+ if (m_xInStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ try
+ {
+ m_xInStream.closeInput();
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+ }
+
+
+ /**
+ * following methods simulates the XOutputStream.
+ * The notice all actions inside the internal protocol
+ * and try to map all necessary functions to the internal
+ * open out-stream.
+ */
+ public void writeBytes( /*IN*/byte[] lData ) throws com.sun.star.io.NotConnectedException ,
+ com.sun.star.io.BufferSizeExceededException ,
+ com.sun.star.io.IOException
+ {
+ if (m_xOutStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ try
+ {
+ m_xOutStream.writeBytes(lData);
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.BufferSizeExceededException exBuffer ) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+ }
+
+
+
+ public void flush() throws com.sun.star.io.NotConnectedException ,
+ com.sun.star.io.BufferSizeExceededException ,
+ com.sun.star.io.IOException
+ {
+ if (m_xOutStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ try
+ {
+ m_xOutStream.flush();
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.BufferSizeExceededException exBuffer ) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+ }
+
+
+
+ public void closeOutput() throws com.sun.star.io.NotConnectedException ,
+ com.sun.star.io.BufferSizeExceededException,
+ com.sun.star.io.IOException
+ {
+ if (m_xOutStream == null)
+ {
+ throw new com.sun.star.io.NotConnectedException("stream not open");
+ }
+
+ try
+ {
+ m_xOutStream.closeOutput();
+ }
+ catch (com.sun.star.io.NotConnectedException exConnect) {
+ }
+ catch (com.sun.star.io.BufferSizeExceededException exBuffer ) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+ }
+
+
+ /**
+ * following methods simulates the XSeekable.
+ * The notice all actions inside the internal protocol
+ * and try to map all necessary functions to the internal
+ * open stream.
+ */
+ public void seek( /*IN*/long nLocation ) throws com.sun.star.lang.IllegalArgumentException,
+ com.sun.star.io.IOException
+ {
+ if (m_xSeek == null)
+ {
+ throw new com.sun.star.io.IOException("stream not seekable");
+ }
+
+ try
+ {
+ m_xSeek.seek(nLocation);
+ }
+ catch (com.sun.star.lang.IllegalArgumentException exArg ) {
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+ }
+
+
+
+ public long getPosition() throws com.sun.star.io.IOException
+ {
+ if (m_xSeek == null)
+ {
+ throw new com.sun.star.io.IOException("stream not seekable");
+ }
+
+ long nPos = 0;
+ try
+ {
+ nPos = m_xSeek.getPosition();
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+
+ return nPos;
+ }
+
+
+
+ public long getLength() throws com.sun.star.io.IOException
+ {
+ if (m_xSeek == null)
+ {
+ throw new com.sun.star.io.IOException("stream not seekable");
+ }
+
+ long nLen = 0;
+ try
+ {
+ nLen = m_xSeek.getLength();
+ }
+ catch (com.sun.star.io.IOException exIO ) {
+ }
+ catch (com.sun.star.uno.RuntimeException exRuntime) {
+ }
+
+ return nLen;
+ }
+}