Package com.sun.star.io

Examples of com.sun.star.io.XStream

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        {
            throw new IOException("output is NULL");
        }
        try
        {
            final XStream stream = output.openStreamElement(name, ElementModes.WRITE | ElementModes.TRUNCATE);
            stream.getInputStream().closeInput();
            if (mimeType != null)
            {
                final XPropertySet prop = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, stream);
                prop.setPropertyValue("MediaType", mimeType);
            }
            return new BufferedOutputStream(new XOutputStreamToOutputStreamAdapter(stream.getOutputStream()), 204800);
        }
        catch (com.sun.star.uno.Exception e)
        {
            throw new IOException("createOutputStream");
        }
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    protected static void SaveDataToStorage( XStorage xStorage, String aString, Dimension aDimension ) throws com.sun.star.io.IOException
    {
        try
        {
            // save the text
            XStream xStream = xStorage.openStreamElement( "content.txt", com.sun.star.embed.ElementModes.READWRITE );
            XComponent xStreamComp = ( XComponent ) UnoRuntime.queryInterface( XComponent.class, xStream );
            if ( xStreamComp == null )
                throw new com.sun.star.uno.RuntimeException();

            XOutputStream xOutStream = xStream.getOutputStream();
            XTruncate xTruncate = ( XTruncate ) UnoRuntime.queryInterface( XTruncate.class, xOutStream );
            if ( xTruncate == null )
                throw new com.sun.star.io.IOException();

            xTruncate.truncate();
            xOutStream.writeBytes( aString.getBytes() );

            // save the size
            xStream = xStorage.openStreamElement( "properties.txt", com.sun.star.embed.ElementModes.READWRITE );
            xStreamComp = ( XComponent ) UnoRuntime.queryInterface( XComponent.class, xStream );
            if ( xStreamComp == null )
                throw new com.sun.star.uno.RuntimeException();

            xOutStream = xStream.getOutputStream();
            xTruncate = ( XTruncate ) UnoRuntime.queryInterface( XTruncate.class, xOutStream );
            if ( xTruncate == null )
                throw new com.sun.star.io.IOException();

            xTruncate.truncate();
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        if ( xStorage == null )
            throw new com.sun.star.uno.RuntimeException();

        try
        {
            XStream xStream = xStorage.openStreamElement( aStreamName, com.sun.star.embed.ElementModes.READWRITE );
            XComponent xStreamComp = ( XComponent ) UnoRuntime.queryInterface( XComponent.class, xStream );
            if ( xStreamComp == null )
                throw new com.sun.star.uno.RuntimeException();

            XInputStream xInStream = xStream.getInputStream();
            byte[][] aData = new byte[1][];
            aData[0] = new byte[0];
            String aResult = new String();

            int nLen = 0;
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      }

      Object oEmbObj = null;
      if ( xNameAccess.hasByName( "LinkName" ) && xTargetStorage.isStreamElement( "LinkName" ) )
      {
        XStream xLinkStream = xTargetStorage.openStreamElement( "LinkName", ElementModes.ELEMENT_READ );
        if ( xLinkStream != null )
        {
          XInputStream xInStream = xLinkStream.getInputStream();
          if ( xInStream != null )
          {
            byte[][] pBuff = new byte[1][0];
            int nRead = xInStream.readBytes( pBuff, 1000 );
            m_aLinkURI = new String( pBuff[0] );
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  public void storeLinkToStorage()
  {
    if ( m_xStorage != null && m_bLinkObj )
    {
      try {
        XStream xLinkStream = m_xStorage.openStreamElement( "LinkName", ElementModes.ELEMENT_WRITE );

        if ( xLinkStream != null )
        {
          XOutputStream xLinkOutStream = xLinkStream.getOutputStream();
          XTruncate xTruncate = (XTruncate) UnoRuntime.queryInterface( XTruncate.class,
                                         xLinkOutStream );
          if ( xLinkOutStream != null && xTruncate != null )
          {
            xTruncate.truncate();
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        return "";
    }

    public XStream CreateTempFileStream(XMultiServiceFactory xMSF) {
        // try to get temporary file representation
        XStream xTempFileStream = null;
        try {
            Object oTempFile = xMSF.createInstance("com.sun.star.io.TempFile");
            xTempFileStream = (XStream) UnoRuntime.queryInterface(XStream.class, oTempFile);
        } catch (Exception e) {
        }
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    public void insertSubStorage(String aName, String aBase64) {
        try {
            //decode the base64 string
            byte[] oledata = Base64.decode(aBase64);
            //create a temp stream to write data to
            XStream subStream = CreateTempFileStream(m_xMSF);
            XInputStream xInput = subStream.getInputStream();
            XOutputStream xOutput = subStream.getOutputStream();
            //write the length to the temp stream
            byte oleHead[] = new byte[4];
            oleHead[0] = (byte) ((oledata.length >>> 0) & 0xFF);
            oleHead[1] = (byte) ((oledata.length >>> 8) & 0xFF);
            oleHead[2] = (byte) ((oledata.length >>> 16) & 0xFF);
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        {
            throw new IOException("input is NULL");
        }
        try
        {
            final XStream xStream = (XStream) UnoRuntime.queryInterface(XStream.class, input.openStreamElement(name, ElementModes.READ));
            return new BufferedInputStream(new XInputStreamToInputStreamAdapter(xStream.getInputStream()), 102400);
        }
        catch (com.sun.star.uno.Exception e)
        {
            throw new IOException("createInputStream");
        }
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        {
            throw new IOException("output is NULL");
        }
        try
        {
            final XStream stream = (XStream) UnoRuntime.queryInterface(XStream.class, output.openStreamElement(name, ElementModes.WRITE | ElementModes.TRUNCATE));
            stream.getInputStream().closeInput();
            if (mimeType != null)
            {
                final XPropertySet prop = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, stream);
                prop.setPropertyValue("MediaType", mimeType);
            }
            return new BufferedOutputStream(new XOutputStreamToOutputStreamAdapter(stream.getOutputStream()), 204800);
        }
        catch (com.sun.star.uno.Exception e)
        {
            throw new IOException("createOutputStream");
        }
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    public boolean test()
  {
    try
    {
      XStream xTempFileStream = m_aTestHelper.CreateTempFileStream( m_xMSF );
      if ( xTempFileStream == null )
        return false;
   
      // create storage based on the temporary stream
      Object pArgs[] = new Object[2];
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