Example usage for com.vaadin.server DownloadStream getContentDispositionFilename

Introduction

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

Prototype

public static String getContentDispositionFilename(String filename) 

Source Link

Document

Returns the filename formatted for inclusion in a Content-Disposition header.

Usage

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();
        }/*from w w  w  . j  a v a  2s. co m*/

        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.haulmont.cuba.web.toolkit.ui.CubaFileDownloader.java

License:Apache License

@Override
public boolean handleConnectorRequest(VaadinRequest request, VaadinResponse response, String path)
        throws IOException {
    if (path == null) {
        return false;
    }//from w  w  w  . jav  a 2s.c o  m

    String targetResourceKey;
    DownloadStream stream;

    VaadinSession session = getSession();
    session.lock();
    try {
        String[] parts = path.split("/", 2);
        targetResourceKey = parts[0];
        if (targetResourceKey.isEmpty()) {
            return false;
        }

        Resource resource = getResource(targetResourceKey);
        if (resource == null) {
            return false;
        }

        boolean isViewDocumentRequest = targetResourceKey.startsWith(VIEW_RESOURCE_PREFIX);

        stream = ((ConnectorResource) resource).getStream();

        String contentDisposition = stream.getParameter(DownloadStream.CONTENT_DISPOSITION);
        if (contentDisposition == null) {
            // Content-Disposition: attachment generally forces download
            contentDisposition = (isViewDocumentRequest ? "inline" : "attachment") + "; "
                    + DownloadStream.getContentDispositionFilename(stream.getFileName());
        }

        stream.setParameter(DownloadStream.CONTENT_DISPOSITION, contentDisposition);

        // Content-Type to block eager browser plug-ins from hijacking the file
        if (isOverrideContentType() && !isViewDocumentRequest) {
            stream.setContentType("application/octet-stream;charset=UTF-8");
        } else {
            if (StringUtils.isNotEmpty(stream.getContentType())) {
                stream.setContentType(stream.getContentType() + ";charset=UTF-8\"");
            } else {
                stream.setContentType(";charset=UTF-8\"");
            }
        }
    } finally {
        session.unlock();
    }

    stream.writeResponse(request, response);
    return true;
}

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From source file:com.haulmont.cuba.web.widgets.CubaFileDownloader.java

License:Apache License

@Override
public boolean handleConnectorRequest(VaadinRequest request, VaadinResponse response, String path)
        throws IOException {
    if (path == null) {
        return false;
    }//from  w w  w .  j a va  2s . com

    String targetResourceKey;
    DownloadStream stream;

    VaadinSession session = getSession();
    session.lock();
    try {
        String[] parts = path.split("/", 2);
        targetResourceKey = parts[0];
        if (targetResourceKey.isEmpty()) {
            return false;
        }

        Resource resource = getResource(targetResourceKey);
        if (resource == null) {
            return false;
        }

        boolean isViewDocumentRequest = targetResourceKey.startsWith(VIEW_RESOURCE_PREFIX);

        stream = ((ConnectorResource) resource).getStream();

        String contentDisposition = stream.getParameter(DownloadStream.CONTENT_DISPOSITION);
        if (contentDisposition == null) {
            // Content-Disposition: attachment generally forces download
            contentDisposition = (isViewDocumentRequest ? "inline" : "attachment") + "; "
                    + DownloadStream.getContentDispositionFilename(stream.getFileName());
        }

        stream.setParameter(DownloadStream.CONTENT_DISPOSITION, contentDisposition);

        // Content-Type to block eager browser plug-ins from hijacking the file
        if (isOverrideContentType() && !isViewDocumentRequest && !isSafariOrIOS()) {
            stream.setContentType("application/octet-stream;charset=UTF-8");
        } else {
            if (StringUtils.isNotEmpty(stream.getContentType())) {
                stream.setContentType(stream.getContentType() + ";charset=UTF-8\"");
            } else {
                stream.setContentType(";charset=UTF-8\"");
            }
        }
    } finally {
        session.unlock();
    }

    stream.writeResponse(request, response);
    return true;
}

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