Example usage for com.vaadin.server StreamResource StreamResource

List of usage examples 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:de.uni_tuebingen.qbic.qbicmainportlet.GraphGenerator.java

License:Open Source License

private StreamResource showFile(final String name, final String type, final ByteArrayOutputStream bas) {
    // resource for serving the file contents
    final StreamSource streamSource = new StreamSource() {
        /**// w w  w  .  j  ava2 s. com
            * 
            */
        private static final long serialVersionUID = 6632340984219486654L;

        @Override
        public InputStream getStream() {
            if (bas != null) {
                final byte[] byteArray = bas.toByteArray();
                return new ByteArrayInputStream(byteArray);
            }
            return null;
        }
    };
    StreamResource resource = new StreamResource(streamSource, name);
    return resource;
}

From source file:de.uni_tuebingen.qbic.qbicmainportlet.LevelComponent.java

License:Open Source License

/**
 * Precondition: {DatasetView#table} has to be initialized. e.g. with
 * {DatasetView#buildFilterTable} If it is not, strange behaviour has to be expected. builds the
 * Layout of this view./*from   w  w w. ja  v  a2 s.  c o m*/
 */
private void buildLayout() {
    this.vert.removeAllComponents();
    this.vert.setWidth("100%");

    // Table (containing datasets) section
    VerticalLayout tableSectionDatasets = new VerticalLayout();
    VerticalLayout tableSectionSamples = new VerticalLayout();
    HorizontalLayout tableSectionContent = new HorizontalLayout();
    HorizontalLayout sampletableSectionContent = new HorizontalLayout();

    tableSectionContent.setMargin(new MarginInfo(false, false, false, false));
    sampletableSectionContent.setMargin(new MarginInfo(false, false, false, false));

    // tableSectionContent.setCaption("Datasets");
    // tableSectionContent.setIcon(FontAwesome.FLASK);

    descriptionLabel.setWidth("100%");
    tableSectionDatasets.addComponent(descriptionLabel);

    sampletableSectionContent.addComponent(sampleGrid);
    tableSectionContent.addComponent(this.datasetTable);

    tableSectionDatasets.setMargin(new MarginInfo(true, false, false, true));
    tableSectionDatasets.setSpacing(true);

    tableSectionSamples.setMargin(new MarginInfo(true, false, true, true));
    tableSectionSamples.setSpacing(true);

    tableSectionDatasets.addComponent(tableSectionContent);

    tableSectionSamples.addComponent(sampletableSectionContent);
    tableSectionSamples.addComponent(exportSamples);

    this.vert.addComponent(tableSectionDatasets);

    sampleGrid.setWidth("100%");
    datasetTable.setWidth("100%");
    tableSectionDatasets.setWidth("100%");

    tableSectionSamples.setWidth("100%");
    sampletableSectionContent.setWidth("100%");

    tableSectionContent.setWidth("100%");

    HorizontalLayout buttonLayout = new HorizontalLayout();
    buttonLayout.setMargin(new MarginInfo(false, false, false, true));
    buttonLayout.setHeight(null);
    buttonLayout.setSpacing(true);

    this.download.setEnabled(false);
    buttonLayout.setSpacing(true);

    Button checkAll = new Button("Select all datasets");
    checkAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : datasetTable.getItemIds()) {
                ((CheckBox) datasetTable.getItem(itemId).getItemProperty("Select").getValue()).setValue(true);
            }
        }
    });

    Button uncheckAll = new Button("Unselect all datasets");
    uncheckAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : datasetTable.getItemIds()) {
                ((CheckBox) datasetTable.getItem(itemId).getItemProperty("Select").getValue()).setValue(false);
            }
        }
    });

    buttonLayout.addComponent(exportData);
    buttonLayout.addComponent(checkAll);
    buttonLayout.addComponent(uncheckAll);
    // buttonLayout.addComponent(visualize);
    buttonLayout.addComponent(this.download);

    String content = "<p> In case of multiple file selections, Project Browser will create a tar archive.</p>"
            + "<hr>" + "<p> If you need help on extracting a tar archive file, follow the tips below: </p>"
            + "<p>" + FontAwesome.WINDOWS.getHtml() + " Windows </p>"
            + "<p> To open/extract TAR file on Windows, you can use 7-Zip, Easy 7-Zip, PeaZip.</p>" + "<hr>"
            + "<p>" + FontAwesome.APPLE.getHtml() + " MacOS </p>"
            + "<p> To open/extract TAR file on Mac, you can use Mac OS built-in utility Archive Utility,<br> or third-part freeware. </p>"
            + "<hr>" + "<p>" + FontAwesome.LINUX.getHtml() + " Linux </p>"
            + "<p> You need to use command tar. The tar is the GNU version of tar archiving utility. <br> "
            + "To extract/unpack a tar file, type: $ tar -xvf file.tar</p>";

    PopupView tooltip = new PopupView(new helpers.ToolTip(content));
    tooltip.setHeight("44px");

    HorizontalLayout help = new HorizontalLayout();
    help.setSizeFull();
    HorizontalLayout helpContent = new HorizontalLayout();
    // helpContent.setSizeFull();

    help.setMargin(new MarginInfo(false, false, false, true));
    Label helpText = new Label("Attention: Click here before Download!");
    helpContent.addComponent(new Label(FontAwesome.QUESTION_CIRCLE.getHtml(), ContentMode.HTML));
    helpContent.addComponent(helpText);
    helpContent.addComponent(tooltip);
    helpContent.setSpacing(true);

    help.addComponent(helpContent);
    help.setComponentAlignment(helpContent, Alignment.TOP_CENTER);

    /**
     * prepare download.
     */
    download.setResource(new ExternalResource("javascript:"));
    download.setEnabled(false);

    for (final Object itemId : this.datasetTable.getItemIds()) {
        setCheckedBox(itemId, (String) this.datasetTable.getItem(itemId).getItemProperty("CODE").getValue());
    }

    this.datasetTable.addItemClickListener(new ItemClickListener() {
        @Override
        public void itemClick(ItemClickEvent event) {
            if (!event.isDoubleClick() & !((boolean) datasetTable.getItem(event.getItemId())
                    .getItemProperty("isDirectory").getValue())) {
                String datasetCode = (String) datasetTable.getItem(event.getItemId()).getItemProperty("CODE")
                        .getValue();
                String datasetFileName = (String) datasetTable.getItem(event.getItemId())
                        .getItemProperty("File Name").getValue();
                URL url = null;
                try {
                    Resource res = null;
                    Object parent = datasetTable.getParent(event.getItemId());
                    if (parent != null) {

                        String parentDatasetFileName = (String) datasetTable.getItem(parent)
                                .getItemProperty("File Name").getValue();
                        try {
                            url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode,
                                    parentDatasetFileName + "/" + URLEncoder.encode(datasetFileName, "UTF-8"));
                        } catch (UnsupportedEncodingException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    } else {
                        try {
                            url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode,
                                    URLEncoder.encode(datasetFileName, "UTF-8"));
                        } catch (UnsupportedEncodingException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }

                    Window subWindow = new Window();
                    VerticalLayout subContent = new VerticalLayout();
                    subContent.setMargin(true);
                    subContent.setSizeFull();
                    subWindow.setContent(subContent);
                    QbicmainportletUI ui = (QbicmainportletUI) UI.getCurrent();
                    Boolean visualize = false;

                    if (datasetFileName.endsWith(".pdf")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("application/pdf");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".png")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("application/png");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".qcML")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/xml");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".alleles")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".tsv")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".log")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".html")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/html");
                        res = streamres;
                        visualize = true;
                    }

                    if (datasetFileName.endsWith(".GSvar")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("text/plain");
                        res = streamres;
                        visualize = true;
                    }

                    if (visualize) {
                        BrowserFrame frame = new BrowserFrame("", res);

                        frame.setSizeFull();
                        subContent.addComponent(frame);

                        // Center it in the browser window
                        subWindow.center();
                        subWindow.setModal(true);
                        subWindow.setSizeUndefined();
                        subWindow.setHeight("75%");
                        subWindow.setWidth("75%");
                        subWindow.setResizable(false);

                        frame.setSizeFull();
                        frame.setHeight("100%");
                        // frame.setHeight((int) (ui.getPage().getBrowserWindowHeight() * 0.9), Unit.PIXELS);

                        // Open it in the UI
                        ui.addWindow(subWindow);
                    }

                } catch (MalformedURLException e) {
                    LOGGER.error(String.format("Visualization failed because of malformedURL for dataset: %s",
                            datasetCode));
                    helpers.Utils.Notification("No file attached.",
                            "Given dataset has no file attached to it!! Please Contact your project manager. Or check whether it already has some data",
                            "error");

                    // Notification
                    // .show(
                    // "Given dataset has no file attached to it!! Please Contact your project manager. Or
                    // check whether it already has some data",
                    // Notification.Type.ERROR_MESSAGE);
                }
            }
        }
    });
    this.vert.addComponent(help);
    this.vert.addComponent(buttonLayout);
    this.vert.addComponent(tableSectionSamples);

}

From source file:de.uni_tuebingen.qbic.qbicmainportlet.ProjInformationComponent.java

License:Open Source License

/**
 * Precondition: {DatasetView#table} has to be initialized. e.g. with
 * {DatasetView#buildFilterTable} If it is not, strange behaviour has to be expected. builds the
 * Layout of this view./*from  www  . jav a2s.c  o  m*/
 */
private void buildLayout(Boolean dataAvailable, String projectType) {
    vert.removeAllComponents();

    // Table (containing datasets) section
    VerticalLayout tableSection = new VerticalLayout();
    HorizontalLayout tableSectionContent = new HorizontalLayout();

    VerticalLayout projDescription = new VerticalLayout();
    VerticalLayout projDescriptionContent = new VerticalLayout();

    tableSectionContent.setMargin(new MarginInfo(false, false, false, false));
    projDescriptionContent.setMargin(new MarginInfo(false, false, false, false));

    descHorz.addComponent(descContent);
    descHorz.addComponent(descEdit);
    descHorz.setComponentAlignment(descEdit, Alignment.TOP_RIGHT);
    descHorz.setExpandRatio(descContent, 0.9f);
    descHorz.setExpandRatio(descEdit, 0.1f);

    projDescriptionContent.addComponent(descHorz);
    projDescriptionContent.addComponent(peopleInCharge);
    // descContent.setWidth("80%");
    projDescriptionContent.addComponent(descriptionPanel);
    projDescriptionContent.addComponent(statusPanel);
    // longDescription.setWidth("80%");
    // projDescriptionContent.addComponent(experimentLabel);
    // projDescriptionContent.addComponent(statusContent);

    // statusContent.setSpacing(true);
    // statusContent.setMargin(new MarginInfo(false, false, false, true));

    if (projectType.equals("patient")) {
        String patientInfo = "";
        Boolean available = false;

        SearchCriteria sampleSc = new SearchCriteria();
        sampleSc.addMatchClause(
                MatchClause.createAttributeMatch(MatchClauseAttribute.TYPE, "Q_BIOLOGICAL_ENTITY"));
        SearchCriteria projectSc = new SearchCriteria();
        projectSc.addMatchClause(
                MatchClause.createAttributeMatch(MatchClauseAttribute.PROJECT, projectBean.getCode()));
        sampleSc.addSubCriteria(SearchSubCriteria.createExperimentCriteria(projectSc));

        SearchCriteria experimentSc = new SearchCriteria();
        experimentSc.addMatchClause(MatchClause.createAttributeMatch(MatchClauseAttribute.TYPE,
                model.ExperimentType.Q_EXPERIMENTAL_DESIGN.name()));
        sampleSc.addSubCriteria(SearchSubCriteria.createExperimentCriteria(experimentSc));
        List<ch.systemsx.cisd.openbis.generic.shared.api.v1.dto.Sample> samples = datahandler.getOpenBisClient()
                .getFacade().searchForSamples(sampleSc);
        for (ch.systemsx.cisd.openbis.generic.shared.api.v1.dto.Sample sample : samples) {
            if (sample.getProperties().get("Q_ADDITIONAL_INFO") != null) {
                available = true;
                String[] splitted = sample.getProperties().get("Q_ADDITIONAL_INFO").split(";");
                for (String s : splitted) {
                    String[] splitted2 = s.split(":");
                    patientInfo += String.format("<p><u>%s</u>: %s </p> ", splitted2[0], splitted2[1]);
                }
            }
        }

        if (available) {
            patientInformation.setValue(patientInfo);
        } else {
            patientInformation.setValue("No patient information provided.");
        }

        updateHLALayout();
        projDescriptionContent.addComponent(patientInformation);
        projDescriptionContent.addComponent(hlaTypeLabel);

        // Vaccine Designer

        /*
         * Button vaccineDesigner = new Button("Vaccine Designer");
         * vaccineDesigner.setStyleName(ValoTheme.BUTTON_PRIMARY);
         * vaccineDesigner.setIcon(FontAwesome.CUBES);
         * 
         * vaccineDesigner.addClickListener(new ClickListener() {
         * 
         * @Override public void buttonClick(ClickEvent event) {
         * 
         * ArrayList<String> message = new ArrayList<String>(); message.add("clicked"); StringBuilder
         * sb = new StringBuilder("type="); sb.append("vaccinedesign"); sb.append("&");
         * sb.append("id="); sb.append(projectBean.getId()); message.add(sb.toString());
         * message.add(VaccineDesignerView.navigateToLabel); state.notifyObservers(message);
         */
        // UI.getCurrent().getNavigator()
        // .navigateTo(String.format(VaccineDesignerView.navigateToLabel));
        // }
        // });

        // projDescriptionContent.addComponent(vaccineDesigner);

    }

    projDescriptionContent.addComponent(tsvDownloadContent);

    projDescription.addComponent(projDescriptionContent);

    projDescriptionContent.setSpacing(true);
    projDescription.setMargin(new MarginInfo(false, false, true, true));
    projDescription.setWidth("100%");
    projDescription.setSpacing(true);

    // descriptionLabel.setWidth("100%");
    // tableSection.addComponent(descriptionLabel);
    tableSectionContent.addComponent(this.datasetTable);

    projDescriptionContent.addComponent(contact);

    tableSection.setMargin(new MarginInfo(true, false, false, true));
    tableSection.setSpacing(true);

    tableSection.addComponent(tableSectionContent);

    this.vert.addComponent(projDescription);

    datasetTable.setWidth("100%");
    tableSection.setWidth("100%");
    tableSectionContent.setWidth("100%");

    // this.table.setSizeFull();

    HorizontalLayout buttonLayout = new HorizontalLayout();
    buttonLayout.setMargin(new MarginInfo(false, false, true, false));
    buttonLayout.setHeight(null);
    // buttonLayout.setWidth("100%");
    buttonLayout.setSpacing(true);

    this.download.setEnabled(false);
    buttonLayout.setSpacing(true);

    Button checkAll = new Button("Select all datasets");
    checkAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : datasetTable.getItemIds()) {
                ((CheckBox) datasetTable.getItem(itemId).getItemProperty("Select").getValue()).setValue(true);
            }
        }
    });

    Button uncheckAll = new Button("Unselect all datasets");
    uncheckAll.addClickListener(new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            for (Object itemId : datasetTable.getItemIds()) {
                ((CheckBox) datasetTable.getItem(itemId).getItemProperty("Select").getValue()).setValue(false);
            }
        }
    });

    buttonLayout.addComponent(checkAll);
    buttonLayout.addComponent(uncheckAll);

    buttonLayout.addComponent(checkAll);
    buttonLayout.addComponent(uncheckAll);
    buttonLayout.addComponent(this.download);
    /**
     * prepare download.
     */
    download.setResource(new ExternalResource("javascript:"));
    download.setEnabled(false);

    for (final Object itemId : this.datasetTable.getItemIds()) {
        setCheckedBox(itemId, (String) this.datasetTable.getItem(itemId).getItemProperty("CODE").getValue());
    }

    /*
     * Send message that in datasetview the following was selected. WorkflowViews get those messages
     * and save them, if it is valid information for them.
     */
    this.datasetTable.addValueChangeListener(new ValueChangeListener() {
        /**
         * 
         */
        private static final long serialVersionUID = -3554627008191389648L;

        @Override
        public void valueChange(ValueChangeEvent event) {
            // Nothing selected or more than one selected.
            Set<Object> selectedValues = (Set<Object>) event.getProperty().getValue();
            State state = (State) UI.getCurrent().getSession().getAttribute("state");
            ArrayList<String> message = new ArrayList<String>();
            message.add("DataSetView");
            if (selectedValues != null && selectedValues.size() == 1) {
                Iterator<Object> iterator = selectedValues.iterator();
                Object next = iterator.next();
                String datasetType = (String) datasetTable.getItem(next).getItemProperty("Dataset Type")
                        .getValue();
                message.add(datasetType);
                String project = (String) datasetTable.getItem(next).getItemProperty("Project").getValue();

                String space = datahandler.getOpenBisClient().getProjectByCode(project).getSpaceCode();// .getIdentifier().split("/")[1];
                message.add(project);
                message.add((String) datasetTable.getItem(next).getItemProperty("Sample").getValue());
                // message.add((String) table.getItem(next).getItemProperty("Sample Type").getValue());
                message.add((String) datasetTable.getItem(next).getItemProperty("dl_link").getValue());
                message.add((String) datasetTable.getItem(next).getItemProperty("File Name").getValue());
                message.add(space);
                // state.notifyObservers(message);
            } else {
                message.add("null");
            } // TODO
              // state.notifyObservers(message);

        }
    });

    this.datasetTable.addItemClickListener(new ItemClickListener() {
        @Override
        public void itemClick(ItemClickEvent event) {
            if (!event.isDoubleClick()) {
                String datasetCode = (String) datasetTable.getItem(event.getItemId()).getItemProperty("CODE")
                        .getValue();
                String datasetFileName = (String) datasetTable.getItem(event.getItemId())
                        .getItemProperty("File Name").getValue();
                URL url;
                try {
                    Resource res = null;
                    Object parent = datasetTable.getParent(event.getItemId());
                    if (parent != null) {
                        String parentDatasetFileName = (String) datasetTable.getItem(parent)
                                .getItemProperty("File Name").getValue();
                        url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode,
                                parentDatasetFileName + "/" + datasetFileName);
                    } else {
                        url = datahandler.getOpenBisClient().getUrlForDataset(datasetCode, datasetFileName);
                    }

                    Window subWindow = new Window();
                    VerticalLayout subContent = new VerticalLayout();
                    subContent.setMargin(true);
                    subWindow.setContent(subContent);
                    QbicmainportletUI ui = (QbicmainportletUI) UI.getCurrent();
                    Boolean visualize = false;

                    if (datasetFileName.endsWith(".pdf")) {
                        QcMlOpenbisSource re = new QcMlOpenbisSource(url);
                        StreamResource streamres = new StreamResource(re, datasetFileName);
                        streamres.setMIMEType("application/pdf");
                        res = streamres;
                        visualize = true;
                    }

                    if (visualize) {
                        LOGGER.debug("Is resource null?: " + String.valueOf(res == null));
                        BrowserFrame frame = new BrowserFrame("", res);

                        frame.setSizeFull();
                        subContent.addComponent(frame);

                        // Center it in the browser window
                        subWindow.center();
                        subWindow.setModal(true);
                        subWindow.setSizeFull();

                        frame.setHeight((int) (ui.getPage().getBrowserWindowHeight() * 0.9), Unit.PIXELS);

                        // Open it in the UI
                        ui.addWindow(subWindow);
                    }

                } catch (MalformedURLException e) {
                    LOGGER.error(String.format("Visualization failed because of malformedURL for dataset: %s",
                            datasetCode));
                    Notification.show(
                            "Given dataset has no file attached to it!! Please Contact your project manager. Or check whether it already has some data",
                            Notification.Type.ERROR_MESSAGE);
                }
            }
        }
    });

    // this.vert.addComponent(buttonLayout);
    if (dataAvailable) {
        this.vert.addComponent(tableSection);
        tableSection.addComponent(buttonLayout);
        projDescription.setMargin(new MarginInfo(false, false, false, true));
    }
}

From source file:edu.kit.dama.ui.admin.LandingPageComponent.java

License:Apache License

public final void update(DigitalObject object, boolean privileged) {
    if (object == null) {
        UIUtils7.GridLayoutBuilder builder = new UIUtils7.GridLayoutBuilder(1, 1);
        builder.fill(new Label("Access to digital object not permitted."), 0, 0);
        mainLayout = builder.getLayout();
        mainLayout.setMargin(true);// ww w  . j av  a2 s . c  o  m
        mainLayout.setSpacing(true);
        mainLayout.setStyleName("landing");
        HorizontalLayout hLayout = new HorizontalLayout(mainLayout);
        hLayout.setSizeFull();
        hLayout.setComponentAlignment(mainLayout, Alignment.MIDDLE_CENTER);
        setCompositionRoot(hLayout);
    } else {
        final TextField oidField = new TextField();
        Button searchButton = new Button("Search");
        Button metsButton = new Button("METS");
        final Button dcButton = new Button("DublinCore");
        Button dataButton = new Button("Download");
        VerticalLayout metadataDownloadButtons = new VerticalLayout(dcButton, metsButton);
        UIUtils7.GridLayoutBuilder builder = new UIUtils7.GridLayoutBuilder(3, 6);

        StreamResource metsResource = new StreamResource(() -> {
            try {
                ByteArrayOutputStream bout = new ByteArrayOutputStream();
                MetsBuilder.init(object).createMinimalMetsDocument(UserData.WORLD_USER).write(bout);
                return new ByteArrayInputStream(bout.toByteArray());
            } catch (Exception ex) {
                LOGGER.error("Failed to provide METS document.", ex);
                UIComponentTools.showError(
                        "Failed to initialize METS document for download. Cause: " + ex.getMessage());
                return null;
            }
        }, object.getDigitalObjectIdentifier() + ".mets.xml");

        StreamResource dcResource = new StreamResource(() -> {
            try {
                ByteArrayOutputStream bout = new ByteArrayOutputStream();
                DublinCoreHelper.writeDublinCoreDocument(object, UserData.WORLD_USER, bout);
                return new ByteArrayInputStream(bout.toByteArray());
            } catch (ParserConfigurationException ex) {
                LOGGER.error("Failed to provide DC document.", ex);
                UIComponentTools
                        .showError("Failed to initialize DC document for download. Cause: " + ex.getMessage());
                return null;
            }
        }, object.getDigitalObjectIdentifier() + ".dc.xml");

        StreamResource dataResource = new StreamResource(() -> {
            IMetaDataManager mdm = MetaDataManagement.getMetaDataManagement().getMetaDataManager();
            mdm.setAuthorizationContext(AuthorizationContext.factorySystemContext());
            try {
                IAuthorizationContext ctx = new AuthorizationContext(new UserId(Constants.WORLD_USER_ID),
                        new GroupId(Constants.WORLD_USER_ID), Role.GUEST);
                if (accessGranted(object, ctx) || accessGranted(object, UIHelper.getSessionContext())) {
                    Response response = new PublicDownloadHandler().prepareStream(object);
                    if (response.getStatus() == Response.Status.OK.getStatusCode()) {
                        return (InputStream) response.getEntity();
                    } else {
                        LOGGER.error("Preparation of the public download for object "
                                + object.getDigitalObjectIdentifier() + " returned status "
                                + response.getStatus() + ". Aborting.");
                    }
                }
                throw new IOException("Public access not available.");
            } catch (IOException ex) {
                LOGGER.error(
                        "Failed to provide data stream for object " + object.getDigitalObjectIdentifier() + ".",
                        ex);
                UIComponentTools.showError(
                        "Failed to initialize data stream for public download. Probably, the digital object is not publicly available.");
                return null;
            }
        }, object.getDigitalObjectIdentifier() + ".zip");

        Map<String, String> dcElementMap = new HashMap<>();
        try {
            dcElementMap = DublinCoreHelper.createDublinCoreElementMap(object, UserData.WORLD_USER);
        } catch (ParserConfigurationException ex) {
            LOGGER.error(
                    "Failed to create DC metadata for object with id " + object.getDigitalObjectIdentifier(),
                    ex);
        }
        oidField.setValue(object.getDigitalObjectIdentifier());

        FileDownloader metsDownloader = new FileDownloader(metsResource);
        metsDownloader.extend(metsButton);

        FileDownloader dcDownloader = new FileDownloader(dcResource);
        dcDownloader.extend(dcButton);

        FileDownloader dataDownloader = new FileDownloader(dataResource);
        dataDownloader.extend(dataButton);

        oidField.setSizeFull();
        searchButton.setWidth("128px");

        searchButton.addClickListener((Button.ClickEvent event) -> {
            String oid = oidField.getValue();
            Page.getCurrent().setLocation(
                    URI.create(UIHelper.getWebAppUrl().toString() + "?landing&oid=" + oid).toString());
        });

        dcButton.setWidth("128px");
        metsButton.setWidth("128px");
        dataButton.setWidth("128px");

        metadataDownloadButtons.setComponentAlignment(dcButton, Alignment.TOP_LEFT);
        metadataDownloadButtons.setComponentAlignment(metsButton, Alignment.TOP_LEFT);

        //build layout
        Label oidLabel = new Label("<u>Object Id</u>", ContentMode.HTML);
        builder.fillRow(oidLabel, 0, 0, 1);
        oidLabel.addStyleName("myboldcaption");
        builder.addComponent(oidField, 0, 1, 2, 1).addComponent(searchButton, 2, 1);
        Label dcMetadataLabel = new Label("<u>DC Metadata</u>", ContentMode.HTML);
        builder.fillRow(dcMetadataLabel, 0, 2, 1);
        dcMetadataLabel.addStyleName("myboldcaption");

        Set<Map.Entry<String, String>> entries = dcElementMap.entrySet();

        Table dcTable = new Table();
        dcTable.setPageLength(entries.size() + 1);
        dcTable.addContainerProperty("dc:key", String.class, "-");
        dcTable.addContainerProperty("dc:value", String.class, "-");
        entries.forEach((entry) -> {
            Object newItemId = dcTable.addItem();
            Item row1 = dcTable.getItem(newItemId);
            row1.getItemProperty("dc:key").setValue(entry.getKey());
            row1.getItemProperty("dc:value").setValue(entry.getValue());
        });

        dcTable.setWidth("640px");
        dcTable.addStyleName("myboldcaption");
        builder.addComponent(dcTable, 0, 3, 2, 1);
        builder.addComponent(metadataDownloadButtons, 2, 3, 1, 1);

        builder.fillRow(new Label("<u>Data Access</u>", ContentMode.HTML), 0, 4, 1);
        long bytes = DataOrganizationUtils.getAssociatedDataSize(object.getDigitalObjectId());
        String formatted = AbstractFile.formatSize(bytes);
        Label oidDownloadLabel = new Label(
                object.getDigitalObjectIdentifier() + ".zip (approx. " + formatted + ")");
        oidDownloadLabel.addStyleName("myboldcaption");
        builder.addComponent(oidDownloadLabel, 0, 5, 2, 1);
        builder.addComponent(dataButton, 2, 5, 1, 1);

        mainLayout = builder.getLayout();
        mainLayout.setRowExpandRatio(0, .1f);
        mainLayout.setRowExpandRatio(1, .1f);
        mainLayout.setRowExpandRatio(2, .6f);
        mainLayout.setRowExpandRatio(3, .1f);
        mainLayout.setRowExpandRatio(4, .1f);

        mainLayout.setColumnExpandRatio(0, .1f);
        mainLayout.setColumnExpandRatio(1, .8f);
        mainLayout.setColumnExpandRatio(2, .1f);
    }
    mainLayout.setMargin(true);
    mainLayout.setSpacing(true);
    mainLayout.setStyleName("landing");
    HorizontalLayout hLayout = new HorizontalLayout(mainLayout);
    hLayout.setSizeFull();
    hLayout.setComponentAlignment(mainLayout, Alignment.MIDDLE_CENTER);
    setCompositionRoot(hLayout);
}

From source file:edu.kit.dama.ui.repo.components.EntryRenderPanel.java

License:Apache License

/**
 * Setup the download button for download-mode. The button click will be
 * linked to a download of the zipped version of the digital object's data.
 * If no data is available/accessible, the button will be disabled.
 *//*  w w w.  j  av a2s. co  m*/
private void setupDownloadButton() {
    boolean haveDownload = false;
    try {
        //obtain the zip file node
        IFileNode zipNode = DigitalObjectPersistenceHelper.getDataZipFileNode(object,
                AuthorizationContext.factorySystemContext());
        if (zipNode != null) {
            //zip file node is valid, check URL
            final String zipUrl = zipNode.getLogicalFileName().asString();
            if (zipUrl != null) {
                try {
                    //URL seems to be valid, try to get file input stream
                    final File toDownload = new File(new URL(zipUrl).toURI());
                    final FileInputStream fin = new FileInputStream(toDownload);

                    final FileDownloader downloader = new FileDownloader(new StreamResource(new StreamSource() {
                        @Override
                        public InputStream getStream() {
                            return fin;
                        }
                    }, object.getDigitalObjectIdentifier() + ".zip"));

                    downloader.extend(downloadButton);

                    //obtain stored file size from the according attribute
                    IAttribute[] attribs = zipNode.getAttributes().toArray(new IAttribute[] {});
                    long size = -1;

                    if (attribs != null) {
                        for (IAttribute attrib : attribs) {
                            if ("size".equals(attrib.getKey())) {
                                try {
                                    size = Long.parseLong(attrib.getValue());
                                } catch (NumberFormatException ex) {
                                    //no long
                                }
                            }
                        }
                    }

                    downloadButton
                            .setDescription("Download file " + toDownload.getName() + " (" + size + " bytes)");
                    haveDownload = true;
                } catch (MalformedURLException | URISyntaxException | FileNotFoundException ex) {
                    LOGGER.error("Failed to setup download.", ex);
                    downloadButton.setDescription("Failed to obtain data URL.");
                }
            } else {
                downloadButton.setDescription("No data available, yet.");
            }
        } else {
            downloadButton.setDescription("No data available, yet.");
        }
    } catch (UnauthorizedAccessAttemptException ex) {
        LOGGER.error("No data available, yet.", ex);
        downloadButton.setDescription("No data available, yet.");
    }
    //set button only enabled if the data is there and can be accessed
    downloadButton.setEnabled(haveDownload);
}

From source file:edu.kit.dama.ui.repo.components.EntryRenderPanel.java

License:Apache License

/**
 * Set the image component. Currently, an automatically generated
 * placeholder image is used. This could be changed by e.g. storing
 * thumbnails in the data organization of an object or by storing additional
 * image information as new entity in the database.
 *
 * @param pObject The object to set the image for.
 *//*from w w  w . j ava2  s.  co  m*/
private void setImage(DigitalObject pObject) {

    //just use test for image...later check data organization
    final String text = pObject.getLabel();

    typeImage = new Image(null, new StreamResource(new StreamResource.StreamSource() {

        @Override
        public InputStream getStream() {
            try {
                return new ByteArrayInputStream(TextImage.from(text).withSize(40).getBytes());
            } catch (IOException ex) {
                //error...should not occur..but return empty array to avoid failing
                return new ByteArrayInputStream(new byte[] {});
            }
        }
    }, "dummy.png"));
}

From source file:eu.maxschuster.vaadin.signaturefield.demo.DemoUI.java

License:Apache License

@Override
protected void init(VaadinRequest request) {

    getPage().setTitle(pageTitle);// w  w  w  . j  av a  2 s  . c  o m

    final VerticalLayout margin = new VerticalLayout();
    setContent(margin);

    final VerticalLayout layout = new VerticalLayout();
    layout.setMargin(true);
    layout.setSpacing(true);
    layout.setWidth("658px");
    margin.addComponent(layout);
    margin.setComponentAlignment(layout, Alignment.TOP_CENTER);

    final Label header1 = new Label(pageTitle);
    header1.addStyleName("h1");
    header1.setSizeUndefined();
    layout.addComponent(header1);
    layout.setComponentAlignment(header1, Alignment.TOP_CENTER);

    final TabSheet tabSheet = new TabSheet();
    tabSheet.setWidth("100%");
    layout.addComponent(tabSheet);
    layout.setComponentAlignment(tabSheet, Alignment.TOP_CENTER);

    final Panel signaturePanel = new Panel();
    signaturePanel.addStyleName("signature-panel");
    signaturePanel.setWidth("100%");
    tabSheet.addTab(signaturePanel, "Demo");

    final VerticalLayout signatureLayout = new VerticalLayout();
    signatureLayout.setMargin(true);
    signatureLayout.setSpacing(true);
    signatureLayout.setSizeFull();
    signaturePanel.setContent(signatureLayout);

    final SignatureField signatureField = new SignatureField();
    signatureField.setWidth("100%");
    signatureField.setHeight("318px");
    signatureField.setPenColor(Color.ULTRAMARINE);
    signatureField.setBackgroundColor("white");
    signatureField.setConverter(new StringToDataUrlConverter());
    signatureField.setPropertyDataSource(dataUrlProperty);
    signatureField.setVelocityFilterWeight(0.7);
    signatureLayout.addComponent(signatureField);
    signatureLayout.setComponentAlignment(signatureField, Alignment.MIDDLE_CENTER);

    final HorizontalLayout buttonLayout = new HorizontalLayout();
    buttonLayout.setSpacing(true);
    buttonLayout.setWidth("100%");
    signatureLayout.addComponent(buttonLayout);

    final Button clearButton = new Button("Clear", new ClickListener() {

        @Override
        public void buttonClick(ClickEvent event) {
            signatureField.clear();
        }
    });
    buttonLayout.addComponent(clearButton);
    buttonLayout.setComponentAlignment(clearButton, Alignment.MIDDLE_LEFT);

    final Label message = new Label("Sign above");
    message.setSizeUndefined();
    buttonLayout.addComponent(message);
    buttonLayout.setComponentAlignment(message, Alignment.MIDDLE_CENTER);

    final ButtonLink saveButtonLink = new ButtonLink("Save", null);
    saveButtonLink.setTargetName("_blank");
    buttonLayout.addComponent(saveButtonLink);
    buttonLayout.setComponentAlignment(saveButtonLink, Alignment.MIDDLE_RIGHT);

    final Panel optionsPanel = new Panel();
    optionsPanel.setSizeFull();
    tabSheet.addTab(optionsPanel, "Options");

    final FormLayout optionsLayout = new FormLayout();
    optionsLayout.setMargin(true);
    optionsLayout.setSpacing(true);
    optionsPanel.setContent(optionsLayout);

    final ComboBox mimeTypeComboBox = new ComboBox(null, mimeTypeContainer);
    optionsLayout.addComponent(mimeTypeComboBox);
    mimeTypeComboBox.setItemCaptionPropertyId("mimeType");
    mimeTypeComboBox.setNullSelectionAllowed(false);
    mimeTypeComboBox.addValueChangeListener(new ValueChangeListener() {

        @Override
        public void valueChange(ValueChangeEvent event) {
            MimeType mimeType = (MimeType) event.getProperty().getValue();
            signatureField.setMimeType(mimeType);
        }
    });
    mimeTypeComboBox.setValue(MimeType.PNG);
    mimeTypeComboBox.setCaption("Result MIME-Type");

    final CheckBox immediateCheckBox = new CheckBox("immediate", false);
    optionsLayout.addComponent(immediateCheckBox);
    immediateCheckBox.addValueChangeListener(new ValueChangeListener() {

        @Override
        public void valueChange(ValueChangeEvent event) {
            boolean immediate = (Boolean) event.getProperty().getValue();
            signatureField.setImmediate(immediate);
        }
    });

    final CheckBox readOnlyCheckBox = new CheckBox("readOnly", false);
    optionsLayout.addComponent(readOnlyCheckBox);
    readOnlyCheckBox.addValueChangeListener(new ValueChangeListener() {

        @Override
        public void valueChange(ValueChangeEvent event) {
            boolean readOnly = (Boolean) event.getProperty().getValue();
            signatureField.setReadOnly(readOnly);
            mimeTypeComboBox.setReadOnly(readOnly);
            clearButton.setEnabled(!readOnly);
        }
    });

    final CheckBox requiredCheckBox = new CheckBox("required (causes bug that clears field)", false);
    optionsLayout.addComponent(requiredCheckBox);
    requiredCheckBox.addValueChangeListener(new ValueChangeListener() {

        @Override
        public void valueChange(ValueChangeEvent event) {
            boolean required = (Boolean) event.getProperty().getValue();
            signatureField.setRequired(required);
        }
    });

    final CheckBox clearButtonEnabledButton = new CheckBox("clearButtonEnabled", false);
    optionsLayout.addComponent(clearButtonEnabledButton);
    clearButtonEnabledButton.addValueChangeListener(new ValueChangeListener() {

        @Override
        public void valueChange(ValueChangeEvent event) {
            boolean clearButtonEnabled = (Boolean) event.getProperty().getValue();
            signatureField.setClearButtonEnabled(clearButtonEnabled);
        }
    });

    final Panel resultPanel = new Panel("Results:");
    resultPanel.setWidth("100%");
    layout.addComponent(resultPanel);

    final VerticalLayout resultLayout = new VerticalLayout();
    resultLayout.setMargin(true);
    resultPanel.setContent(resultLayout);

    final Image stringPreviewImage = new Image("String preview image:");
    stringPreviewImage.setWidth("500px");
    resultLayout.addComponent(stringPreviewImage);

    final Image dataUrlPreviewImage = new Image("DataURL preview image:");
    dataUrlPreviewImage.setWidth("500px");
    resultLayout.addComponent(dataUrlPreviewImage);

    final TextArea textArea = new TextArea("DataURL:");
    textArea.setWidth("100%");
    textArea.setHeight("300px");
    resultLayout.addComponent(textArea);

    final Label emptyLabel = new Label();
    emptyLabel.setCaption("Is Empty:");
    emptyLabel.setValue(String.valueOf(signatureField.isEmpty()));
    resultLayout.addComponent(emptyLabel);

    signatureField.addValueChangeListener(new ValueChangeListener() {

        @Override
        public void valueChange(ValueChangeEvent event) {
            String signature = (String) event.getProperty().getValue();
            stringPreviewImage.setSource(signature != null ? new ExternalResource(signature) : null);
            textArea.setValue(signature);
            emptyLabel.setValue(String.valueOf(signatureField.isEmpty()));
        }
    });
    dataUrlProperty.addValueChangeListener(new ValueChangeListener() {

        @Override
        public void valueChange(ValueChangeEvent event) {
            try {
                final DataUrl signature = (DataUrl) event.getProperty().getValue();
                dataUrlPreviewImage.setSource(
                        signature != null ? new ExternalResource(serializer.serialize(signature)) : null);
                StreamResource streamResource = null;
                if (signature != null) {
                    StreamSource streamSource = new StreamSource() {

                        @Override
                        public InputStream getStream() {
                            return new ByteArrayInputStream(signature.getData());
                        }
                    };
                    MimeType mimeType = MimeType.valueOfMimeType(signature.getMimeType());
                    String extension = null;

                    switch (mimeType) {
                    case JPEG:
                        extension = "jpg";
                        break;
                    case PNG:
                        extension = "png";
                        break;
                    }

                    streamResource = new StreamResource(streamSource, "signature." + extension);
                    streamResource.setMIMEType(signature.getMimeType());
                    streamResource.setCacheTime(0);
                }
                saveButtonLink.setResource(streamResource);
            } catch (MalformedURLException e) {
                logger.error(e.getMessage(), e);
            }
        }
    });
}

From source file:fi.aalto.drumbeat.drumbeatUI.OnDemandFileDownloader.java

License:Open Source License

public OnDemandFileDownloader(OnDemandStreamResource onDemandStreamResource, String type,
        DrumbeatinterfaceUI parent) {/*w w  w . ja v  a  2 s .c  o  m*/
    super(new StreamResource(onDemandStreamResource, ""));
    this.onDemandStreamResource = onDemandStreamResource;
    this.type = type;
    this.parent = parent;
}

From source file:fi.aalto.drumbeat.drumbeatUI.OnDemandFileDownloader.java

License:Open Source License

private StreamResource getResource() {
    if (type.equals("JSON")) {
        StreamResource resource = new StreamResource(parent.createOnDemandJSON_Resource(), "output.srj");
        return (StreamResource) resource;
    } else {//ww  w.j  av  a 2 s . c  o m
        StreamResource resource = new StreamResource(parent.createOnDemandXMLResource(), "output.xml");
        return (StreamResource) resource;

    }
}

From source file:fi.jasoft.qrcode.QRCode.java

License:Apache License

private void generateQRCode() {

    if (pixelHeight < 0 || pixelWidth < 0) {
        return;/*ww  w.j  a v a2 s. co  m*/
    }

    String value = getValue();
    if (value == null) {
        value = "";
    }

    // Try to encode
    try {
        Encoder.encode(value, ecl, qrcode);
    } catch (WriterException e1) {
        logger.log(Level.SEVERE, "Could not encode QR Code for '" + value + "'", e1);
        return;
    }

    /*
     * Generate a unique filename for this qrcode relative to the value of
     * the qrcode and the width
     */
    String hash = value + pixelWidth + "x" + pixelHeight + fgColor.getRGB() + bgColor.getRGB();
    String filename = "qrcode-" + UUID.nameUUIDFromBytes(hash.getBytes()).toString() + ".png";

    // Create a image resource
    setResource(QRCodeConnector.RESOURCE_KEY, new StreamResource(new StreamResource.StreamSource() {
        public InputStream getStream() {
            ByteMatrix matrix = renderResult(qrcode, pixelWidth, pixelHeight);
            BufferedImage image = toBufferedImage(matrix, fgColor.getRGB(), bgColor.getRGB());
            ByteArrayOutputStream imagebuffer = new ByteArrayOutputStream();

            try {
                ImageIO.write(image, "png", imagebuffer);
                return new ByteArrayInputStream(imagebuffer.toByteArray());
            } catch (IOException e) {
                logger.log(Level.SEVERE, "Could not create QRCode image file", e);
            }
            return null;
        }
    }, filename));
}