Example usage for com.vaadin.server StreamResource StreamResource

List of usage examples for com.vaadin.server StreamResource StreamResource

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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.klwork.explorer.ui.process.ProcessDefinitionImageStreamResourceBuilder.java

License:Apache License

public StreamResource buildStreamResource(ProcessInstance processInstance, RepositoryService repositoryService,
        RuntimeService runtimeService) {

    StreamResource imageResource = null;

    ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService)
            .getDeployedProcessDefinition(processInstance.getProcessDefinitionId());

    if (processDefinition != null && processDefinition.isGraphicalNotationDefined()) {
        try {// w  w w . ja v a 2 s .  c  om

            BpmnModel bpmnModel = repositoryService.getBpmnModel(processInstance.getId());
            InputStream definitionImageStream = ProcessDiagramGenerator.generateDiagram(bpmnModel, "png",
                    runtimeService.getActiveActivityIds(processInstance.getId()));

            if (definitionImageStream != null) {
                StreamSource streamSource = new InputStreamStreamSource(definitionImageStream);

                // Create image name
                String imageExtension = extractImageExtension(processDefinition.getDiagramResourceName());
                String fileName = processInstance.getId() + UUID.randomUUID() + "." + imageExtension;

                imageResource = new StreamResource(streamSource, fileName);
            }
        } catch (Throwable t) {
            // Image can't be generated, ignore this
            LOGGER.warn("Process image cannot be generated due to exception: {} - {}", t.getClass().getName(),
                    t.getMessage());
        }
    }
    return imageResource;
}

From source file:com.klwork.explorer.ui.process.ProcessDefinitionImageStreamResourceBuilder.java

License:Apache License

public StreamResource buildStreamResource(String processInstanceId, String processDefinitionId,
        RepositoryService repositoryService, RuntimeService runtimeService) {

    StreamResource imageResource = null;

    ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService)
            .getDeployedProcessDefinition(processDefinitionId);

    if (processDefinition != null && processDefinition.isGraphicalNotationDefined()) {

        BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinitionId);
        InputStream definitionImageStream = ProcessDiagramGenerator.generateDiagram(bpmnModel, "png",
                runtimeService.getActiveActivityIds(processInstanceId));

        StreamSource streamSource = new InputStreamStreamSource(definitionImageStream);

        // Create image name
        String imageExtension = extractImageExtension(processDefinition.getDiagramResourceName());
        String fileName = processInstanceId + UUID.randomUUID() + "." + imageExtension;

        imageResource = new StreamResource(streamSource, fileName);
    }/*from   www .j  a v  a  2 s  .  com*/
    return imageResource;
}

From source file:com.klwork.explorer.ui.task.ProcessInstanceEventsPanel.java

License:Apache License

protected void addTaskEventPicture(final Comment taskEvent, GridLayout eventGrid) {
    final Picture userPicture = identityService.getUserPicture(taskEvent.getUserId());
    Embedded authorPicture = null;/*from  w  w w .  j av a2  s.c  o  m*/

    if (userPicture != null) {
        StreamResource imageresource = new StreamResource(new StreamSource() {
            private static final long serialVersionUID = 1L;

            public InputStream getStream() {
                return userPicture.getInputStream();
            }
        }, "event_" + taskEvent.getUserId() + "."
                + Constants.MIMETYPE_EXTENSION_MAPPING.get(userPicture.getMimeType()));
        authorPicture = new Embedded(null, imageresource);
    } else {
        authorPicture = new Embedded(null, Images.USER_50);
    }

    authorPicture.setType(Embedded.TYPE_IMAGE);
    authorPicture.setHeight("48px");
    authorPicture.setWidth("48px");
    authorPicture.addStyleName(ExplorerLayout.STYLE_TASK_EVENT_PICTURE);
    eventGrid.addComponent(authorPicture);
}

From source file:com.klwork.explorer.ui.task.UserDetailsComponent.java

License:Apache License

protected void addUserPicture() {
    Resource pictureResource = Images.USER_32; // default icon
    if (user != null) {
        final Picture userPicture = identityService.getUserPicture(user.getId());
        if (userPicture != null) {
            //WW_TODO ?,
            pictureResource = new StreamResource(new StreamSource() {
                public InputStream getStream() {
                    return userPicture.getInputStream();
                }/*from  w  w w.j  a  v  a2s . c  o  m*/
            }, user.getId());

        }
    }
    Embedded picture = new Embedded(null, pictureResource);

    picture.setType(Embedded.TYPE_IMAGE);
    picture.addStyleName(ExplorerLayout.STYLE_TASK_EVENT_PICTURE);
    if (user != null) {
        // Only set fixed height and width when user has image, otherwise icon's dimensions will be used
        picture.setHeight("32px");
        picture.setWidth("32px");
    }
    addComponent(picture);

    // Add profile popup listener
    if (user != null) {
        picture.addStyleName(ExplorerLayout.STYLE_CLICKABLE);
        //
        picture.addClickListener(new com.vaadin.event.MouseEvents.ClickListener() {
            public void click(ClickEvent event) {
                // ViewToolManager.showProfilePopup(user.getId());
                ViewToolManager.showPopupWindow(new ProfilePopupWindow(user.getId()));
            }
        });
    }
}

From source file:com.klwork.explorer.ui.user.ProfilePanel.java

License:Apache License

protected void initPicture() {
    StreamResource imageresource = new StreamResource(new StreamSource() {
        private static final long serialVersionUID = 1L;

        public InputStream getStream() {
            return picture.getInputStream();
        }/*from   w w w .j a v a 2s.  c  o m*/
    }, user.getId());
    imageresource.setCacheTime(0);

    Embedded picture = new Embedded(null, imageresource);
    picture.setType(Embedded.TYPE_IMAGE);
    picture.setHeight(200, UNITS_PIXELS);
    picture.setWidth(200, UNITS_PIXELS);
    picture.addStyleName(ExplorerLayout.STYLE_PROFILE_PICTURE);

    imageLayout.addComponent(picture);
    imageLayout.setWidth(picture.getWidth() + 5, picture.getWidthUnits());

    // Change picture button
    if (isCurrentLoggedInUser) {
        Upload changePictureButton = initChangePictureButton();
        imageLayout.addComponent(changePictureButton);
        imageLayout.setComponentAlignment(changePictureButton, Alignment.MIDDLE_CENTER);
    }
}

From source file:com.klwork.explorer.ui.user.UserEventsPanel.java

License:Apache License

protected void addTaskEventPicture(final org.activiti.engine.task.Event taskEvent, GridLayout eventGrid) {
    if (taskEvent.getUserId() == null) {
        return;//from w  w w. ja  va  2s .  c om
    }
    final Picture userPicture = identityService.getUserPicture(taskEvent.getUserId());
    Embedded authorPicture = null;

    if (userPicture != null) {
        StreamResource imageresource = new StreamResource(new StreamSource() {
            private static final long serialVersionUID = 1L;

            public InputStream getStream() {
                return userPicture.getInputStream();
            }
        }, "event_" + taskEvent.getUserId() + "."
                + Constants.MIMETYPE_EXTENSION_MAPPING.get(userPicture.getMimeType()));
        authorPicture = new Embedded(null, imageresource);
    } else {
        authorPicture = new Embedded(null, Images.USER_50);
    }

    authorPicture.setType(Embedded.TYPE_IMAGE);
    authorPicture.setHeight("48px");
    authorPicture.setWidth("48px");
    authorPicture.addStyleName(ExplorerLayout.STYLE_TASK_EVENT_PICTURE);
    eventGrid.addComponent(authorPicture);
}

From source file:com.mycollab.module.project.view.FollowingTicketViewImpl.java

License:Open Source License

private StreamResource constructStreamResource(final ReportExportType exportType) {
    LazyStreamSource streamSource = new LazyStreamSource() {
        private static final long serialVersionUID = 1L;

        @Override/*from  w w  w.  j av  a 2  s .  c om*/
        protected StreamSource buildStreamSource() {
            SimpleReportTemplateExecutor reportTemplateExecutor = new SimpleReportTemplateExecutor.AllItems<>(
                    "Following Tickets", new RpFieldsBuilder(ticketTable.getDisplayColumns()), exportType,
                    FollowingTicket.class, AppContextUtil.getSpringBean(ProjectFollowingTicketService.class));
            //TODO: correct the report of following tickets
            return null;
        }
    };

    return new StreamResource(streamSource, exportType.getDefaultFileName());
}

From source file:com.mycollab.vaadin.web.ui.DefaultMassEditActionHandler.java

License:Open Source License

@Override
public StreamResource buildStreamResource(ReportExportType exportType) {
    IPagedBeanTable pagedBeanTable = ((IListView) presenter.getView()).getPagedBeanTable();
    final Map<String, Object> addtionalParamters = new HashMap<>();
    addtionalParamters.put("siteUrl", MyCollabUI.getSiteUrl());
    addtionalParamters.put(SimpleReportTemplateExecutor.CRITERIA, presenter.searchCriteria);
    ReportTemplateExecutor reportTemplateExecutor;
    if (presenter.isSelectAll) {
        reportTemplateExecutor = new SimpleReportTemplateExecutor.AllItems(getReportTitle(),
                new RpFieldsBuilder(pagedBeanTable.getDisplayColumns()), exportType, getReportModelClassType(),
                presenter.getSearchService());
    } else {/*from w  ww. j  ava 2 s  . com*/
        reportTemplateExecutor = new SimpleReportTemplateExecutor.ListData(getReportTitle(),
                new RpFieldsBuilder(pagedBeanTable.getDisplayColumns()), exportType,
                presenter.getSelectedItems(), getReportModelClassType());
    }
    return new StreamResource(new ReportStreamSource(reportTemplateExecutor) {
        @Override
        protected void initReportParameters(Map<String, Object> parameters) {
            parameters.putAll(addtionalParamters);
        }
    }, exportType.getDefaultFileName());
}

From source file:com.ocs.dynamo.ui.component.DefaultEmbedded.java

License:Apache License

/**
 * Constructor/*from   w ww  .  j a v  a  2 s  . c  om*/
 * 
 * @param caption
 *            the caption of the component
 * @param bytes
 *            the bytes that represent the
 */
public DefaultEmbedded(String caption, final byte[] bytes) {
    super(caption);
    if (bytes != null) {
        setSource(new StreamResource(new StreamSource() {

            @Override
            public InputStream getStream() {
                return new ByteArrayInputStream(bytes);
            }

        }, System.nanoTime() + ".png"));
    }
}

From source file:com.ocs.dynamo.ui.component.DownloadButton.java

License:Apache License

/**
 * Constructor//from   www .ja  v  a  2s  .c  om
 * 
 * @param caption
 *            the caption of the button
 * @param fileName
 *            the name of the file to download
 */
public DownloadButton(String caption) {
    super(caption);
    resource = new StreamResource(new StreamSource() {

        private static final long serialVersionUID = -4870779918745663459L;

        @Override
        public InputStream getStream() {
            byte[] content = doCreateContent();
            if (content != null) {
                return new ByteArrayInputStream(content);
            }
            return null;
        }

    }, doCreateFileName());

    FileDownloader downloader = new FileDownloader(resource);
    downloader.extend(this);

}