Example usage for com.vaadin.server StreamResource StreamResource

Introduction

In this page you can find the example usage for com.vaadin.server StreamResource StreamResource.

Prototype

public StreamResource(StreamSource streamSource, String filename) 

Source Link

Document

Creates a new stream resource for downloading from stream.

Usage

From source file:com.etest.pdfviewer.ItemAnalysisReportViewer.java

public ItemAnalysisReportViewer(int tqCoverageId) {
    this.tqCoverageId = tqCoverageId;

    setWidth("900px");
    setHeight("600px");
    center();//w  w  w  . j a  va2  s .c  o m

    StreamResource resource = new StreamResource(new ItemAnalysisReportPDF(getTqCoverageId()),
            "ItemAnalysis.pdf");
    resource.setMIMEType("application/pdf");

    VerticalLayout v = new VerticalLayout();
    v.setSizeFull();
    Embedded e = new Embedded();
    e.setSource(resource);
    e.setSizeFull();
    e.setType(Embedded.TYPE_BROWSER);
    v.addComponent(e);

    setContent(v);
}

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From source file:com.etest.pdfviewer.MultipleChoiceHelpViewer.java

public MultipleChoiceHelpViewer() {
    setWidth("900px");
    setHeight("600px");
    center();//from w ww. j av  a2 s.  c  o  m

    StreamResource.StreamSource source = new StreamResource.StreamSource() {
        @Override
        public InputStream getStream() {
            try {
                return this.getClass().getResourceAsStream("/files/TestConstRules.pdf");
            } catch (Exception e) {
                e.getMessage();
                return null;
            }
        }
    };

    StreamResource resource = new StreamResource(source, "TestConstRules.pdf");
    resource.setMIMEType("application/pdf");

    VerticalLayout v = new VerticalLayout();
    v.setSizeFull();
    Embedded e = new Embedded();
    e.setSource(resource);
    e.setSizeFull();
    e.setType(Embedded.TYPE_BROWSER);
    v.addComponent(e);

    setContent(v);
}

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From source file:com.etest.pdfviewer.SummaryReportViewer.java

public SummaryReportViewer(String summaryType) {
    setCaption(summaryType);/*ww w . j av a2  s.c o m*/
    setWidth("900px");
    setHeight("600px");
    center();

    StreamResource resource; //= new StreamResource(new InventoryCasesReportPDF(), "InventoryOfCases.pdf");   
    if (summaryType.equals("Summary: Case vs Items")) {
        resource = new StreamResource(new InventoryCasesReportPDF(), "InventoryOfCases.pdf");
    } else {
        resource = new StreamResource(new InventoryItemsReportPDF(), "InventoryOfItems.pdf");
    }
    resource.setMIMEType("application/pdf");

    VerticalLayout v = new VerticalLayout();
    v.setSizeFull();
    Embedded e = new Embedded();
    e.setSource(resource);
    e.setSizeFull();
    e.setType(Embedded.TYPE_BROWSER);
    v.addComponent(e);

    setContent(v);
}

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From source file:com.etest.pdfviewer.TQCriticalIndexReportViewer.java

public TQCriticalIndexReportViewer(int tqCoverageId) {
    this.tqCoverageId = tqCoverageId;
    setWidth("900px");
    setHeight("600px");
    center();/*from   w  w  w . j  a va2s .  c  om*/

    StreamResource resource = new StreamResource(new TQCriticalIndexValuesReportPDF(getTQCoverageId()),
            "TQCriticalIndexValues.pdf");
    resource.setMIMEType("application/pdf");

    VerticalLayout v = new VerticalLayout();
    v.setSizeFull();
    Embedded e = new Embedded();
    e.setSource(resource);
    e.setSizeFull();
    e.setType(Embedded.TYPE_BROWSER);
    v.addComponent(e);

    setContent(v);
}

---

From source file:com.foc.vaadin.gui.components.chart.JFreeChartWrapper.java

License:Apache License

@Override
public Resource getSource() {
    if (res == null) {
        StreamSource streamSource = new StreamResource.StreamSource() {
            private ByteArrayInputStream bytestream = null;

            ByteArrayInputStream getByteStream() {
                if (chart != null && bytestream == null) {
                    int widht = getGraphWidth();
                    int height = getGraphHeight();

                    if (mode == RenderingMode.SVG) {

                        DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
                        DocumentBuilder docBuilder = null;
                        try {
                            docBuilder = docBuilderFactory.newDocumentBuilder();
                        } catch (ParserConfigurationException e1) {
                            throw new RuntimeException(e1);
                        }//w w  w  .j  av a 2 s .  c o m
                        Document document = docBuilder.newDocument();
                        Element svgelem = document.createElement("svg");
                        document.appendChild(svgelem);

                        // Create an instance of the SVG Generator
                        SVGGraphics2D svgGenerator = new SVGGraphics2D(document);

                        // draw the chart in the SVG generator
                        chart.draw(svgGenerator, new Rectangle(widht, height));
                        Element el = svgGenerator.getRoot();
                        el.setAttributeNS(null, "viewBox", "0 0 " + widht + " " + height + "");
                        el.setAttributeNS(null, "style", "width:100%;height:100%;");
                        el.setAttributeNS(null, "preserveAspectRatio", getSvgAspectRatio());

                        // Write svg to buffer
                        ByteArrayOutputStream baoutputStream = new ByteArrayOutputStream();
                        Writer out;
                        try {
                            OutputStream outputStream = gzipEnabled ? new GZIPOutputStream(baoutputStream)
                                    : baoutputStream;
                            out = new OutputStreamWriter(outputStream, "UTF-8");
                            /*
                             * don't use css, FF3 can'd deal with the result
                             * perfectly: wrong font sizes
                             */
                            boolean useCSS = false;
                            svgGenerator.stream(el, out, useCSS, false);
                            outputStream.flush();
                            outputStream.close();
                            bytestream = new ByteArrayInputStream(baoutputStream.toByteArray());
                        } catch (UnsupportedEncodingException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        } catch (SVGGraphics2DIOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    } else {
                        // Draw png to bytestream
                        try {
                            byte[] bytes = ChartUtilities.encodeAsPNG(chart.createBufferedImage(widht, height));
                            bytestream = new ByteArrayInputStream(bytes);
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }

                    }

                } else {
                    bytestream.reset();
                }
                return bytestream;
            }

            @Override
            public InputStream getStream() {
                return getByteStream();
            }
        };

        res = new StreamResource(streamSource, String.format("graph%d", System.currentTimeMillis())) {

            @Override
            public int getBufferSize() {
                if (getStreamSource().getStream() != null) {
                    try {
                        return getStreamSource().getStream().available();
                    } catch (IOException e) {
                        return 0;
                    }
                } else {
                    return 0;
                }
            }

            @Override
            public long getCacheTime() {
                return 0;
            }

            @Override
            public String getFilename() {
                if (mode == RenderingMode.PNG) {
                    return super.getFilename() + ".png";
                } else {
                    return super.getFilename() + (gzipEnabled ? ".svgz" : ".svg");
                }
            }

            @Override
            public DownloadStream getStream() {
                DownloadStream downloadStream = new DownloadStream(getStreamSource().getStream(), getMIMEType(),
                        getFilename());
                if (gzipEnabled && mode == RenderingMode.SVG) {
                    downloadStream.setParameter("Content-Encoding", "gzip");
                }
                return downloadStream;
            }

            @Override
            public String getMIMEType() {
                if (mode == RenderingMode.PNG) {
                    return "image/png";
                } else {
                    return "image/svg+xml";
                }
            }
        };
    }
    return res;
}

---

From source file:com.foc.vaadin.gui.components.FVBlobDisplay.java

License:Apache License

public void displayPDFFile() {
    BlobResource blobResource = getBlobResource();
    if (blobResource != null) {
        String fileName = blobResource.getFilename();
        if (fileName != null) {
            String mimeType = blobResource.getMIMEType();

            StreamSource streamSource = new StreamSource() {
                private DownloadStream downloadStream = getBlobResource() != null
                        ? getBlobResource().getStream()
                        : null;/*w  w w  .  ja v  a 2  s . com*/

                @Override
                public InputStream getStream() {

                    return downloadStream != null ? downloadStream.getStream() : null;
                }
            };
            String viewButtonCaption = "View "
                    + fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length()) + " File";
            Button viewDocButton = new Button(viewButtonCaption);
            viewDocButton.setStyleName(Reindeer.BUTTON_LINK);
            if (streamSource != null) {
                StreamResource streamResource = new StreamResource(streamSource, fileName);
                streamResource.setMIMEType(mimeType);

                BrowserWindowOpener opener = new BrowserWindowOpener(streamResource);
                opener.extend(viewDocButton);
                settingsLayout.addComponent(viewDocButton);
                Resource resource = FVIconFactory.getInstance().getFVIcon(FVIconFactory.ICON_NOTE);
                Image image = new Image();
                image.setSource(resource);
                addComponent(image);
            }
        }
    }
}

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From source file:com.foc.vaadin.gui.components.FVImageField.java

License:Apache License

public boolean refreshImageFromProperty() {
    BufferedImage photo = getBufferedImage();
    boolean error = photo == null;

    if (!error) {
        originalHeight = photo.getHeight();
        originalWidth = photo.getWidth();
        setAttributes(getAttributes());/*from www  .j  a  v a  2 s  .  c  o m*/
        StreamResource.StreamSource streamSource = new StreamResource.StreamSource() {

            public InputStream getStream() {
                try {
                    /* Write the image to a buffer. */
                    ByteArrayOutputStream imagebuffer = new ByteArrayOutputStream();
                    ImageIO.write(getBufferedImage()/*Globals.getApp().getCompany().getLogo()*/, "png",
                            imagebuffer);
                    /* Return a stream from the buffer. */
                    return new ByteArrayInputStream(imagebuffer.toByteArray());
                } catch (IOException e) {
                    Globals.logException(e);
                    return null;
                }
            }

        };
        UI application = FocWebApplication.getInstanceForThread();
        if (application != null) {
            StreamResource streamResource = new StreamResource(streamSource, "");
            SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmssSSS");
            String timestamp = df.format(new Date(System.currentTimeMillis()));
            streamResource.setFilename("FileName-" + timestamp + ".jpg");

            if (embedded != null) {
                embedded.setSource(streamResource);
            }
        }
    }
    return error;
}

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From source file:com.foc.vaadin.gui.mswordGenerator.FocXmlMSWordParser.java

License:Apache License

public StreamResource getStreamResource() {
    //      StreamSource source = new WordDocumentStreamSource("C://Users//user//Desktop//POI Word Doc Sample Table 1.docx");
    StreamSource source = new CreateWordDoc(getWordOutputStream());
    StreamResource resource = new StreamResource(source, "wordfile");

    resource.setMIMEType("application/msword");
    return resource;
}

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From source file:com.foc.vaadin.gui.pdfGenerator.FocXmlPDFParser.java

License:Apache License

public StreamResource getStreamResource() {
    StreamSource source = new CreatePDF(getPDFOutoutStream());

    String filename = "pdf" + ASCII.generateRandomString(10);
    StreamResource resource = new StreamResource(source, filename);

    resource.setMIMEType("application/pdf");
    //      resource.getStream().setParameter("Content-Disposition", "attachment; filename=" + filename);
    return resource;
}

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From source file:com.foc.web.modules.business.PrnLayout_BrowserWindowOpenerStreamResource.java

License:Apache License

@Override
public DownloadStream getStream() {
    beforeGetStream();//from  w  w  w  .  ja va 2s.  c o  m
    DownloadStream downloadStream = null;
    if (getPrintingAction() != null && getPrintingAction().getLauncher() != null) {
        if (prnLayout != null) {

            //            if(this.prnLayout_Table.getPrintLogoCheckBox() != null){
            //              boolean withLogo = this.prnLayout_Table.getPrintLogoCheckBox().getValue();
            //              this.prnLayout_Table.getPrintingAction().getLauncher().setWithLogo(withLogo);
            //            }

            getPrintingAction().getLauncher().setWithLogo(isWithLogo());
            getPrintingAction().setLaunchedAutomatically(false);

            byte[] bytes = null;
            if (outputFormat == DOC) {
                if (outputFileNameWithoutExtension != null)
                    setFilename(outputFileNameWithoutExtension + ".docx");
                bytes = getPrintingAction().getLauncher().printWordDocument(prnLayout);
                if (bytes != null)
                    setMIMEType("application/vnd.openxmlformats-officedocument.wordprocessingml.document");
            } else if (outputFormat == RTF) {
                if (outputFileNameWithoutExtension != null)
                    setFilename(outputFileNameWithoutExtension + ".rtf");
                bytes = getPrintingAction().getLauncher().printRTFDocument(prnLayout);
                if (bytes != null)
                    setMIMEType("application/rtf");
            } else {
                if (outputFileNameWithoutExtension != null)
                    setFilename(outputFileNameWithoutExtension + ".pdf");
                bytes = getPrintingAction().getLauncher().web_FillReport(prnLayout, prnLayout.getFileName());
                if (bytes != null)
                    setMIMEType("application/pdf");
            }
            if (bytes != null) {
                setStreamSource(new FStreamSource(bytes));
            }
            downloadStream = super.getStream();
        }
    } else {
        StreamSource source = new StreamSource() {
            @Override
            public InputStream getStream() {
                try {
                    return new ByteArrayInputStream(getErrorMessageAsHTML().getBytes("UTF-8"));
                } catch (UnsupportedEncodingException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                return null;
            }
        };
        // second, create a StreamResource and pass the previous StreamResource:
        StreamResource resource = new StreamResource(source, "file.html");
        resource.setMIMEType("text/html; charset=utf-8");
        downloadStream = ((ConnectorResource) resource).getStream();
    }
    return downloadStream;
}

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