Examples of org.dspace.content.Bitstream.retrieve()

org.dspace.content.Bitstream.retrieve()
Retrieve the contents of the bitstream @return a stream from which the bitstream can be read. @throws IOException @throws SQLException @throws AuthorizeException


                XMLReader reader = XMLReaderFactory.createXMLReader();
                reader.setContentHandler(filter);
                reader.setProperty("http://xml.org/sax/properties/lexical-handler", filter);
                try {
                    InputStream is = bitstream.retrieve();
                    reader.parse(new InputSource(is));
                } catch (AuthorizeException ae) {
                    // just ignore the authorize exception and continue on with
                    //out parsing the xml document.
                }

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                XMLReader reader = XMLReaderFactory.createXMLReader();
                reader.setContentHandler(filter);
                reader.setProperty("http://xml.org/sax/properties/lexical-handler", filter);
                reader.parse(new InputSource(bitstream.retrieve()));
            } catch (AuthorizeException ae) {
                // just ignore the authorize exception and continue on with
                //out parsing the xml document.
            }
        }

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                        XMLReader reader = XMLReaderFactory.createXMLReader();
                        reader.setContentHandler(filter);
                        reader.setProperty("http://xml.org/sax/properties/lexical-handler", filter);
                        try {
                                InputStream is = bitstream.retrieve();
                                reader.parse(new InputSource(is));
                        }
                        catch (AuthorizeException ae)
                        {
                                // just ignore the authorize exception and continue on with

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                        XMLReader reader = XMLReaderFactory.createXMLReader();
                        reader.setContentHandler(filter);
                        reader.setProperty("http://xml.org/sax/properties/lexical-handler", filter);
                        reader.parse(new InputSource(bitstream.retrieve()));
                }
                        catch (AuthorizeException ae)
                        {
                                // just ignore the authorize exception and continue on with
                                //out parsing the xml document.

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                }
            }
                
            // Success, bitstream found and the user has access to read it.
            // Store these for later retreval:
            this.bitstreamInputStream = bitstream.retrieve();
            this.bitstreamSize = bitstream.getSize();
            this.bitstreamMimeType = bitstream.getFormat().getMIMEType();
            this.bitstreamName = bitstream.getName();
            if (context.getCurrentUser() == null)
            {

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            Bitstream lbs = element.getBitstreamByName("license.txt");
            if (lbs != null)
            {
                ByteArrayOutputStream baos = new ByteArrayOutputStream(
                        (int) lbs.getSize());
                Utils.copy(lbs.retrieve(), baos);
                return baos.toString();
            }
        }
        return null;
    }

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                HttpServletResponse response = this.entityProviderManager.getRequestGetter().getResponse();
                ServletOutputStream stream = response.getOutputStream();
                response.setContentType(bst.getFormat().getMIMEType());
                response.addHeader("Content-Disposition", "attachment; filename=" + bst.getName());
                response.setContentLength((int) bst.getSize());
                BufferedInputStream buf = new BufferedInputStream(bst.retrieve());


                int readBytes;
                while ((readBytes = buf.read()) != -1) {
                    stream.write(readBytes);
                }

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            //UsageEvent ue = new UsageEvent();
           // ue.fire(request, context, AbstractUsageEvent.VIEW,
       //Constants.BITSTREAM, bitstream.getID());


            // Pipe the bits
            InputStream is = bitstream.retrieve();


            // Set the response MIME type
            response.setContentType(bitstream.getFormat().getMIMEType());


            // Response length

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                return;
            }
        }
        
        // Pipe the bits
        InputStream is = bitstream.retrieve();
     
    // Set the response MIME type
        response.setContentType(bitstream.getFormat().getMIMEType());


        // Response length

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                    log.error("Caught an error with intercepting the citation document:" + e.getMessage());
                }


                //End of CitationDocument
            } else {
                this.bitstreamInputStream = bitstream.retrieve();
                this.bitstreamSize = bitstream.getSize();
            }


            this.bitstreamMimeType = bitstream.getFormat().getMIMEType();
            this.bitstreamName = bitstream.getName();

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