Hello Juergen, I have updated the code of XInputStream and not pushed it to the repo. I'll do it now. You can get a better idea now.
On Thu, Jun 20, 2013 at 2:27 PM, Jürgen Schmidt <jogischm...@gmail.com>wrote: > On 6/20/13 10:26 AM, Rajath Shashidhara wrote: > > Can I use this? > > > http://commons.apache.org/proper/commons-io/apidocs/org/apache/commons/io/IOUtils.html > > in principal yes, just try if it fulfill your needs. > > Juergen > > > > > > > On Thu, Jun 20, 2013 at 12:48 PM, Rajath Shashidhara < > > rajaths.raja...@gmail.com> wrote: > > > >> Hello Ariel, > >> > >> in you code: > >> copyStream() is to be implemented by me or is it there in any library? > >> > >> > >> On Thu, Jun 20, 2013 at 9:25 AM, Rajath Shashidhara < > >> rajaths.raja...@gmail.com> wrote: > >> > >>> Thanks ariel. > >>> I have finished major part of this code. I only had doubt in that > >>> queryInterface part. > >>> > >>> > >>> On Thu, Jun 20, 2013 at 1:08 AM, Ariel Constenla-Haile < > >>> arie...@apache.org> wrote: > >>> > >>>> Hi Rajath, > >>>> > >>>> On Wed, Jun 19, 2013 at 09:55:21PM +0530, Rajath Shashidhara wrote: > >>>>> Hello, > >>>>> > >>>>> I'm working on the XActiveDataSink. > >>>>> I'm slightly confused about how to handle OpenCommandArgument2.Sink . > >>>>> The object is the one which is filled with the XActiveDataSink object > >>>> for > >>>>> which I have to set the InputStream by calling setInputStream() and > >>>> pass > >>>>> the XInputStream implementation. > >>>>> This is what I have understood. But, the confusing thing is why is > the > >>>>> datatype for Sink - Object? Shoudnt it be XActiveDataSink? I'm not > >>>>> understanding how to handle this Sink. > >>>> > >>>> The OpenCommandArgument2.Sink can be of different kinds, that's why > its > >>>> type is defined in a generic way as css.uno.XInterface; this interface > >>>> is the base interface of all other interfaces: > >>>> > >>>> > http://www.openoffice.org/api/docs/common/ref/com/sun/star/ucb/OpenCommandArgument.html#Sink > >>>> > >>>> css.uno.XInterface, in this case, is mapped in the Jave bridge to > >>>> java.lang.Object: > >>>> > >>>> > http://wiki.openoffice.org/wiki/Documentation/DevGuide/ProUNO/Java/Mapping_of_Interface_Types > >>>> > >>>> You have to find out if the sink is > >>>> > >>>> a) com.sun.star.io.XOutputStream > >>>> b) com.sun.star.io.XActiveDataSink > >>>> c) com.sun.star.io.XActiveDataStreamer > >>>> > >>>> simply query the sink for each interface. Something like this: > >>>> > >>>> > >>>> private Object open( > >>>> com.sun.star.ucb.OpenCommandArgument2 aOpenCommand, > >>>> com.sun.star.ucb.XCommandEnvironment xEnvironment) > >>>> throws com.sun.star.uno.Exception { > >>>> Object oRet = com.sun.star.uno.Any.VOID; > >>>> > >>>> int nOpenMode = aOpenCommand.Mode; > >>>> if (nOpenMode == com.sun.star.ucb.OpenMode.ALL > >>>> || nOpenMode == com.sun.star.ucb.OpenMode.DOCUMENTS > >>>> || nOpenMode == com.sun.star.ucb.OpenMode.FOLDERS) { > >>>> if (!isFolder(xEnvironment)) { > >>>> throw new com.sun.star.lang.IllegalArgumentException( > >>>> "The content is not a folder!"); > >>>> } > >>>> com.sun.star.ucb.XDynamicResultSet xResultSet = new > >>>> DynamicResultSet( > >>>> m_xContext, this, aOpenCommand, xEnvironment); > >>>> oRet = xResultSet; > >>>> } else if (nOpenMode == com.sun.star.ucb.OpenMode.DOCUMENT) { > >>>> Object aSink = aOpenCommand.Sink; > >>>> if (aSink == null) { > >>>> throw new com.sun.star.lang.IllegalArgumentException( > >>>> "open command without sink!"); > >>>> } > >>>> // the Sink can be > >>>> // a) com.sun.star.io.XOutputStream > >>>> // b) com.sun.star.io.XActiveDataSink > >>>> // c) com.sun.star.io.XActiveDataStreamer > >>>> com.sun.star.io.XActiveDataStreamer xActiveDataStreamer = > >>>> UnoRuntime.queryInterface( > >>>> com.sun.star.io.XActiveDataStreamer.class, aSink); > >>>> if (xActiveDataStreamer != null) { > >>>> com.sun.star.io.XStream xStream = > >>>> getContentStream(xEnvironment); > >>>> xActiveDataStreamer.setStream(xStream); > >>>> } else { > >>>> com.sun.star.io.XOutputStream xOutputStream = > >>>> UnoRuntime.queryInterface( > >>>> com.sun.star.io.XOutputStream.class, aSink); > >>>> if (xOutputStream != null) { > >>>> com.sun.star.io.XInputStream xInputStream = > >>>> getContentInputStream(xEnvironment); > >>>> copyStream(xInputStream, xOutputStream); > >>>> } else { > >>>> com.sun.star.io.XActiveDataSink xActiveDataSink = > >>>> UnoRuntime.queryInterface( > >>>> com.sun.star.io.XActiveDataSink.class, aSink); > >>>> if (xActiveDataSink == null) { > >>>> throw new > com.sun.star.lang.IllegalArgumentException( > >>>> "open command's sink is neither > >>>> XActiveDataStreamer, XOutputStream nor XActiveDataSink!"); > >>>> } > >>>> com.sun.star.io.XInputStream xInputStream = > >>>> getContentInputStream(xEnvironment); > >>>> xActiveDataSink.setInputStream(xInputStream); > >>>> } > >>>> } > >>>> } else if (nOpenMode == > >>>> com.sun.star.ucb.OpenMode.DOCUMENT_SHARE_DENY_NONE || > >>>> nOpenMode == > >>>> com.sun.star.ucb.OpenMode.DOCUMENT_SHARE_DENY_WRITE){ > >>>> throw new UnsupportedCommandException(); > >>>> } > >>>> return oRet; > >>>> } > >>>> > >>>> > >>>> > >>>> Regards > >>>> -- > >>>> Ariel Constenla-Haile > >>>> La Plata, Argentina > >>>> > >>> > >>> > >>> > >>> -- > >>> Rajath S, > >>> M.Sc(Hons.) Physics, > >>> Birla Institute of Technology and Science - Pilani, > >>> Pilani > >>> > >> > >> > >> > >> -- > >> Rajath S, > >> M.Sc(Hons.) Physics, > >> Birla Institute of Technology and Science - Pilani, > >> Pilani > >> > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@openoffice.apache.org > For additional commands, e-mail: dev-h...@openoffice.apache.org > > -- Rajath S, M.Sc(Hons.) Physics, Birla Institute of Technology and Science - Pilani, Pilani
