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.github.moscaville.contactsdb.util.OnDemandFileDownloader.java

public OnDemandFileDownloader(OnDemandStreamResource onDemandStreamResource) {
    super(new StreamResource(onDemandStreamResource, "contactsdb.csv"));
    this.onDemandStreamResource = onDemandStreamResource;
}

From source file:com.gnts.pem.txn.sbi.SBIBuilding.java

private StreamResource getPDFStream() {
    try {//from w  w w  .  j  a  v a2  s .c  o m
        StreamResource.StreamSource source = new StreamResource.StreamSource() {

            /**
             * 
             */
            private static final long serialVersionUID = 1L;

            public InputStream getStream() {
                TPemCmEvalDetails edit = beans.getItem(tblEvalDetails.getValue()).getBean();
                if (edit.getEvalDoc() != null) {

                    return new ByteArrayInputStream(edit.getEvalDoc());
                } else {
                    return null;
                }

            }
        };
        TPemCmEvalDetails edit = beans.getItem(tblEvalDetails.getValue()).getBean();
        StreamResource resource = new StreamResource(source,
                edit.getEvalNo() + "_" + edit.getCustName() + "_" + propertyType + ".doc");
        return resource;
    } catch (Exception e) {
        return null;
    }
}

From source file:com.gnts.pem.txn.sbi.SBILand.java

private StreamResource getImgStream() {
    List<TPemCmPropImage> list = beanPropImage.getPropImageList(headerid);
    for (final TPemCmPropImage obj : list) {
        StreamResource.StreamSource source = new StreamResource.StreamSource() {
            private static final long serialVersionUID = 1L;

            public InputStream getStream() {

                if (obj.getPropimage1() != null) {

                    return new ByteArrayInputStream(obj.getPropimage1());
                } else {
                    return null;
                }//w  ww  .jav a  2 s  .  c om
            }
        };
        StreamResource resource = new StreamResource(source, obj.getDocId() + ".png");
        return resource;
    }
    return null;
}

From source file:com.gnts.pem.txn.sbi.SBILand.java

private StreamResource getImgStream1() {
    System.out.println("File Name++++++++++++" + new File(basepath1).getName());
    List<TPemCmPropImage> list = beanPropImage.getPropImageList(headerid);
    for (final TPemCmPropImage obj : list) {
        StreamResource.StreamSource source = new StreamResource.StreamSource() {
            private static final long serialVersionUID = 1L;

            public InputStream getStream() {

                if (obj.getPropimage2() != null) {

                    return new ByteArrayInputStream(obj.getPropimage2());
                } else {
                    return null;
                }/* ww  w  . j  ava  2  s  .  c  o m*/
            }
        };
        StreamResource resource = new StreamResource(source, obj.getImgId() + ".png");
        return resource;
    }
    return null;
}

From source file:com.hack23.cia.web.impl.ui.application.views.common.pagelinks.impl.ExternalAttachmentDownloadLink.java

License:Apache License

@Override
public void attach() {
    super.attach();

    final StreamResource.StreamSource source = new StreamResource.StreamSource() {

        /**/*from  w ww .j av  a 2  s  .  c  o m*/
         *
         */
        private static final long serialVersionUID = 1L;

        public InputStream getStream() {

            try {
                return new URL(fileUrl).openStream();
            } catch (final IOException e) {
                LOGGER.warn("Problem opening url:" + fileUrl, e);
                return new ByteArrayInputStream(new byte[0]);
            }
        }
    };

    final StreamResource resource = new StreamResource(source, fileName);

    resource.getStream().setParameter("Content-Disposition", "attachment;filename=\"" + fileName + "\"");
    resource.setMIMEType("application/" + fileType);
    resource.setCacheTime(0);

    setResource(resource);
}

From source file:com.haulmont.cuba.web.filestorage.WebExportDisplay.java

License:Apache License

/**
 * Show/Download resource at client side
 *
 * @param dataProvider ExportDataProvider
 * @param resourceName ResourceName for client side
 * @param exportFormat ExportFormat//from   w ww. j  a  va 2s. c o  m
 * @see com.haulmont.cuba.gui.export.FileDataProvider
 * @see com.haulmont.cuba.gui.export.ByteArrayDataProvider
 */
@Override
public void show(ExportDataProvider dataProvider, String resourceName, final ExportFormat exportFormat) {
    backgroundWorker.checkUIAccess();

    boolean showNewWindow = this.newWindow;

    if (useViewList) {
        String fileExt;

        if (exportFormat != null) {
            fileExt = exportFormat.getFileExt();
        } else {
            fileExt = FilenameUtils.getExtension(resourceName);
        }

        WebConfig webConfig = configuration.getConfig(WebConfig.class);
        showNewWindow = webConfig.getViewFileExtensions().contains(StringUtils.lowerCase(fileExt));
    }

    if (exportFormat != null) {
        if (StringUtils.isEmpty(FilenameUtils.getExtension(resourceName))) {
            resourceName += "." + exportFormat.getFileExt();
        }
    }

    CubaFileDownloader fileDownloader = AppUI.getCurrent().getFileDownloader();

    StreamResource resource = new StreamResource(dataProvider::provide, resourceName);

    if (exportFormat != null && StringUtils.isNotEmpty(exportFormat.getContentType())) {
        resource.setMIMEType(exportFormat.getContentType());
    } else {
        resource.setMIMEType(FileTypesHelper.getMIMEType(resourceName));
    }

    if (showNewWindow) {
        fileDownloader.viewDocument(resource);
    } else {
        fileDownloader.downloadFile(resource);
    }
}

From source file:com.haulmont.cuba.web.gui.components.WebClasspathResource.java

License:Apache License

@Override
protected void createResource() {
    String name = StringUtils.isNotEmpty(fileName) ? fileName : FilenameUtils.getName(path);

    resource = new StreamResource(() -> AppBeans.get(Resources.class).getResourceAsStream(path), name);

    StreamResource streamResource = (StreamResource) this.resource;

    streamResource.setMIMEType(mimeType);
    streamResource.setCacheTime(cacheTime);
    streamResource.setBufferSize(bufferSize);
}

From source file:com.haulmont.cuba.web.gui.components.WebEmbedded.java

License:Apache License

@Override
public void setSource(String fileName, final InputStream src) {
    if (src != null) {
        resource = new StreamResource((StreamResource.StreamSource) () -> {
            try {
                src.reset();/*from  www  .  j av a 2  s. c o m*/
            } catch (IOException e) {
                Logger log = LoggerFactory.getLogger(WebEmbedded.this.getClass());
                log.debug("Ignored IOException on stream reset", e);
            }
            return src;
        }, fileName);
        component.setSource(resource);
    } else {
        resetSource();
    }
}

From source file:com.haulmont.cuba.web.gui.components.WebEmbedded.java

License:Apache License

@Override
public void setSource(String fileName, final ExportDataProvider dataProvider) {
    if (dataProvider != null) {
        resource = new StreamResource(dataProvider::provide, fileName);
        component.setSource(resource);//w  w  w  .  java 2 s  .co  m
    } else {
        resetSource();
    }
}

From source file:com.haulmont.cuba.web.gui.components.WebEmbedded.java

License:Apache License

@Override
public void resetSource() {
    resource = null;//from  w  w w  .  j a  va  2  s . c  o  m
    component.markAsDirty();
    component.setMimeType("image/png");
    component.setType(com.vaadin.ui.Embedded.TYPE_IMAGE);
    component.setSource(new StreamResource(new EmptyStreamSource(), UUID.randomUUID() + ".png"));
}