Example usage for com.vaadin.server DownloadStream setCacheTime

Introduction

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

Prototype

public void setCacheTime(long cacheTime) 

Source Link

Document

Sets length of cache expiration time.

Usage

From source file:com.cms.utils.FileDownloader.java

License:Apache License

@Override
public DownloadStream getStream() {
    try {//from  ww  w  . j  a v a2 s  .  c  o m
        final DownloadStream ds = new DownloadStream(new FileInputStream(sourceFile), getMIMEType(),
                fileNameNew);
        ds.setParameter("Content-Length", String.valueOf(sourceFile.length()));

        ds.setCacheTime(cacheTime);
        return ds;
    } catch (final FileNotFoundException e) {
        throw new RuntimeException("File not found: " + sourceFile.getName(), e);
    }
}

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From source file:com.esofthead.mycollab.vaadin.resources.file.FileStreamDownloadResource.java

License:Open Source License

@Override
public DownloadStream getStream() {
    try {//from  w  w w  .  ja  v a 2s .c  om
        String fileName = getFilename();
        fileName = fileName.replaceAll(" ", "_").replaceAll("-", "_");
        final DownloadStream ds = new DownloadStream(new FileInputStream(getSourceFile()), getMIMEType(),
                fileName);
        ds.setParameter("Content-Disposition", "attachment; filename=" + fileName);
        ds.setCacheTime(0);
        return ds;
    } catch (final FileNotFoundException e) {
        LOG.error("Error to create download stream", e);
        return null;
    }
}

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From source file:com.foc.msword.WordTemplateFillerResource.java

License:Apache License

@Override
public DownloadStream getStream() {
    DownloadStream downloadStream = null;
    try {/*from  w  w  w . j av  a 2 s . c o m*/
        ClassResource resource = null;
        InputStream inputStream = null;
        resource = new ClassResource(tempateFileName);
        inputStream = resource.getStream().getStream();

        ExtendedWordDocument xWord = new ExtendedWordDocument(inputStream);
        if (xWord != null) {
            fill(xWord);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            xWord.write(baos);
            bais = new ByteArrayInputStream(baos.toByteArray());

        }
        xWord.dispose();
    } catch (Exception e) {
        Globals.logException(e);
    }

    if (bais != null) {
        String fileName2 = downloadFileName;
        if (!fileName2.endsWith(".doc") && !fileName2.endsWith(".docx")) {
            fileName2 += ".docx";
        }

        downloadStream = new DownloadStream(bais, "application/x-unknown", fileName2);
        downloadStream.setParameter("Content-Disposition", "attachment; filename=" + fileName2);
        downloadStream.setCacheTime(0);
    }

    return downloadStream;
}

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From source file:com.foc.property.FCloudStoragePropertyResource.java

License:Apache License

@Override
public DownloadStream getStream() {
    DownloadStream downloadStream = null;

    if (cloudStorageProperty != null) {
        if (Utils.isStringEmpty(cloudStorageProperty.getKey())) {
            Globals.logString("DOWNLOAD: newBlobResource 1 Key Empty, generating it");
            cloudStorageProperty.generateKey();
        }/* www .  j  ava2  s. com*/

        Globals.logString("DOWNLOAD: newBlobResource 1bis Key=" + cloudStorageProperty.getKey());

        if (cloudStorageProperty.getDirectory() == null) {
            Globals.logString("DOWNLOAD: newBlobResource 2 Directory null computing it");
            cloudStorageProperty.setDirectory(Globals.getApp().getCloudStorageDirectory(), false);
        }

        Globals.logString("DOWNLOAD: newBlobResource 2bis Key=" + cloudStorageProperty.getDirectory());

        InputStream is = (InputStream) cloudStorageProperty.getObject();

        if (is == null)
            Globals.logString("DOWNLOAD: newBlobResource 3 inputStream is null");
        else
            Globals.logString("DOWNLOAD: newBlobResource 3bis inputStream is Good");

        Globals.logString("DOWNLOAD: newBlobResource 4 FileName : " + cloudStorageProperty.getFileName());

        if (is != null) {
            downloadStream = new DownloadStream(is, "application/x-unknown",
                    cloudStorageProperty.getFileName());
            downloadStream.setParameter("Content-Disposition", "attachment; filename="
                    + DownloadStream.getContentDispositionFilename(cloudStorageProperty.getFileName()));
            downloadStream.setCacheTime(0);
        }
    }

    return downloadStream;
}

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

License:Apache License

@Override
public DownloadStream getStream() {
    DownloadStream downloadStream = null;

    if (is != null) {
        downloadStream = new DownloadStream(is, "application/x-unknown", fileName);
        downloadStream.setParameter("Content-Disposition", "attachment; filename=" + fileName);
        downloadStream.setCacheTime(0);
    }/*w  ww  .  j a  va 2  s.  c  o m*/

    return downloadStream;
}

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From source file:org.hip.vif.admin.admin.print.DownloadFile.java

License:Open Source License

@Override
public DownloadStream getStream() {
    try {/*from   w ww  . j av a2  s  . c  o  m*/
        final DownloadStream out = new DownloadStream(buffer.getInputStream(), getMIMEType(), getFileName());
        out.setCacheTime(0);
        out.setParameter("Content-Disposition", "attachment; filename=\"" + getFileName() + "\""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        out.setParameter("Content-Length", String.valueOf(buffer.getSize() - buffer.getSpaceLeft())); //$NON-NLS-1$
        out.setContentType("application/octet-stream;charset=UTF-8");
        LOG.debug("Printed discusion group to file \"{}\".", getFileName()); //$NON-NLS-1$
        return out;
    } catch (final Exception exc) {
        LOG.error("Error encountered while printing the discussion groups!", exc); //$NON-NLS-1$
    }
    return null;
}

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From source file:org.hip.vif.web.util.DownloadFileResouce.java

License:Open Source License

@Override
public DownloadStream getStream() {
    try {//from   w w w.  j av a2  s. c  om
        final DownloadStream out = new DownloadStream(new FileInputStream(download.getFile()),
                download.getMIMEType(), download.getFileName());
        out.setCacheTime(0);
        out.setParameter("Content-Disposition", "attachment; filename=\"" + download.getFileName() + "\""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        LOG.debug("Downloaded file \"{}\"", download.getFileName()); //$NON-NLS-1$
        return out;
    } catch (final FileNotFoundException exc) {
        LOG.error("Couldn't find download file \"{}\"!", download.getFileName(), exc); //$NON-NLS-1$
        return null;
    }
}

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From source file:org.lucidj.vaadinui.BundleResource.java

License:Apache License

@Override
public DownloadStream getStream() {
    try {/* ww w .j  a  va  2 s.c  o  m*/
        DownloadStream ds = new DownloadStream(resourceUrl.openStream(), getMIMEType(), getFilename());
        ds.setBufferSize(getBufferSize());
        ds.setCacheTime(getCacheTime());
        return (ds);
    } catch (IOException e) {
        throw new IllegalArgumentException(e);
    }
}

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