Example usage for com.vaadin.server StreamVariable StreamVariable

Introduction

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

Prototype

StreamVariable

Source Link

Usage

From source file:com.hivesys.dashboard.view.repository.DragAndDropBox.java

@Override
public void drop(final DragAndDropEvent dropEvent) {

    // expecting this to be an html5 drag
    final DragAndDropWrapper.WrapperTransferable tr = (DragAndDropWrapper.WrapperTransferable) dropEvent
            .getTransferable();/*from  w w  w.j ava  2  s . c om*/
    final Html5File[] files = tr.getFiles();
    if (files != null) {
        for (final Html5File html5File : files) {
            final String fileName = html5File.getFileName();

            if (html5File.getFileSize() > FILE_SIZE_LIMIT) {
                Notification.show("File rejected. Max 100Mb files are accepted!",
                        Notification.Type.WARNING_MESSAGE);
            } else {

                final ByteArrayOutputStream bas = new ByteArrayOutputStream();
                final StreamVariable streamVariable = new StreamVariable() {

                    @Override
                    public OutputStream getOutputStream() {
                        return bas;
                    }

                    @Override
                    public boolean listenProgress() {
                        return false;
                    }

                    @Override
                    public void onProgress(final StreamVariable.StreamingProgressEvent event) {
                    }

                    @Override
                    public void streamingStarted(final StreamVariable.StreamingStartEvent event) {
                    }

                    @Override
                    public void streamingFinished(final StreamVariable.StreamingEndEvent event) {
                        progress.setVisible(false);
                        showFile(fileName, html5File.getType(), bas);
                        processFile(fileName, html5File.getType(), bas);
                    }

                    @Override
                    public void streamingFailed(final StreamVariable.StreamingErrorEvent event) {
                        progress.setVisible(false);
                    }

                    @Override
                    public boolean isInterrupted() {
                        return false;
                    }
                };
                html5File.setStreamVariable(streamVariable);
                progress.setVisible(true);
            }
        }

    } else {
        final String text = tr.getText();
        if (text != null) {
            showText(text);
        }
    }
}

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From source file:com.klwork.explorer.ui.custom.UploadComponent.java

License:Apache License

public void drop(DragAndDropEvent event) {
    WrapperTransferable transferable = (WrapperTransferable) event.getTransferable();
    Html5File[] files = transferable.getFiles();
    if (files.length > 0) {
        final Html5File file = files[0]; // only support for one file upload at this moment
        file.setStreamVariable(new StreamVariable() {

            private static final long serialVersionUID = 1L;

            public void streamingStarted(StreamingStartEvent event) {
                uploadStarted(null); // event doesnt matter here
            }/*from ww  w.  j  a  v  a  2s.c  o  m*/

            public void streamingFinished(StreamingEndEvent event) {
                uploadFinished(null); // event doesnt matter here
            }

            public void streamingFailed(StreamingErrorEvent event) {
                uploadFailed(null);
            }

            public void onProgress(StreamingProgressEvent event) {
                updateProgress(event.getBytesReceived(), event.getContentLength());
            }

            public boolean listenProgress() {
                return true;
            }

            public boolean isInterrupted() {
                return false;
            }

            public OutputStream getOutputStream() {
                return receiver.receiveUpload(file.getFileName(), file.getType());
            }
        });
    }
}

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From source file:com.wintindustries.pfserver.uploads.PFUploadUnit.java

public void upload() {
    final ProgressIndicator pi = new ProgressIndicator();
    pi.setCaption(html5File.getFileName());
    progress.setCaption(html5File.getFileName());
    getprogressBarsLayout().addComponent(pi);
    final FileBuffer receiver = createReceiver();
    html5File.setStreamVariable(new StreamVariable() {

        private String name;
        private String mime;

        public OutputStream getOutputStream() {
            return receiver.receiveUpload(name, mime);
        }/*from  w w w . ja  v a 2  s .com*/

        public boolean listenProgress() {
            return true;
        }

        public void onProgress(StreamVariable.StreamingProgressEvent event) {
            float p = (float) event.getBytesReceived() / (float) event.getContentLength();
            pi.setValue(p);
            progress.setProgress(p);
        }

        public void streamingStarted(StreamVariable.StreamingStartEvent event) {
            name = event.getFileName();
            mime = event.getMimeType();
            progress.setProgressState(progress.kUPLOADPROGRESS_UPLOADING);

        }

        public void streamingFinished(StreamVariable.StreamingEndEvent event) {
            getprogressBarsLayout().removeComponent(pi);
            handleFile(receiver.getFile(), html5File.getFileName(), html5File.getType(),
                    html5File.getFileSize());
            receiver.setValue(null);
            progress.setProgressState(progress.kUPLOADPROGRESS_DONE);
        }

        public void streamingFailed(StreamVariable.StreamingErrorEvent event) {
            getprogressBarsLayout().removeComponent(pi);
            progress.setProgressState(progress.kUPLOADPROGRESS_ERROR);
            progress.setErrmsg(event.toString());
            Notification note = new Notification("Upload Failed", event.toString(),
                    Notification.Type.ERROR_MESSAGE);
            note.show(Page.getCurrent());

        }

        public boolean isInterrupted() {
            return false;
        }
    });
}

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From source file:info.magnolia.ui.form.field.upload.AbstractUploadField.java

License:Open Source License

/**
 * Drop zone Handler./* www. j  av a  2s .  c  om*/
 */
@Override
public void drop(DragAndDropEvent event) {
    final DragAndDropWrapper.WrapperTransferable transferable = (WrapperTransferable) event.getTransferable();
    final Html5File[] files = transferable.getFiles();
    if (files == null) {
        return;
    }

    // start polling immediately on drop
    startPolling();

    for (final Html5File html5File : files) {
        html5File.setStreamVariable(new StreamVariable() {

            private String name;
            private String mime;

            @Override
            public OutputStream getOutputStream() {
                return getValue().receiveUpload(name, mime);
            }

            @Override
            public boolean listenProgress() {
                return true;
            }

            @Override
            public void onProgress(StreamingProgressEvent event) {
                updateProgress(event.getBytesReceived(), event.getContentLength());
            }

            @Override
            public void streamingStarted(StreamingStartEvent event) {
                setDragAndDropUploadInterrupted(false);
                name = event.getFileName();
                mime = event.getMimeType();
                if (StringUtils.isEmpty(mime)) {
                    String extension = StringUtils.substringAfterLast(name, ".");
                    mime = MIMEMapping.getMIMEType(extension);
                    if (StringUtils.isEmpty(mime)) {
                        log.warn("Couldn't find mimeType in MIMEMappings for file extension: {}", extension);
                    }
                }
                StartedEvent startEvent = new StartedEvent(upload, name, mime, event.getContentLength());
                uploadStarted(startEvent);
            }

            @Override
            public void streamingFinished(StreamingEndEvent event) {
                FinishedEvent uploadEvent = new FinishedEvent(upload, event.getFileName(), event.getMimeType(),
                        event.getContentLength());
                uploadFinished(uploadEvent);
            }

            @Override
            public void streamingFailed(StreamingErrorEvent event) {
                FailedEvent failedEvent = new FailedEvent(upload, event.getFileName(), event.getMimeType(),
                        event.getContentLength());
                uploadFailed(failedEvent);
                setDragAndDropUploadInterrupted(false);
            }

            @Override
            public synchronized boolean isInterrupted() {
                return isDragAndDropUploadInterrupted();
            }

        });
    }
}

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From source file:net.pkhsolutions.pecsapp.ui.components.PictureLayout.java

License:Open Source License

private void uploadFile(Html5File file) {
    final MimeType mimeType = MimeType.valueOf(file.getType());
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final StreamVariable streamVariable = new StreamVariable() {
        @Override//from w ww .j  a va 2s  .  c  o  m
        public OutputStream getOutputStream() {
            return baos;
        }

        @Override
        public boolean listenProgress() {
            return false;
        }

        @Override
        public void onProgress(StreamingProgressEvent event) {
        }

        @Override
        public void streamingStarted(StreamingStartEvent event) {
        }

        @Override
        public void streamingFinished(StreamingEndEvent event) {
            hideProgressBar();
            model.upload(new ByteArrayInputStream(baos.toByteArray()), mimeType);
        }

        @Override
        public void streamingFailed(StreamingErrorEvent event) {
            hideProgressBar();
        }

        @Override
        public boolean isInterrupted() {
            return false;
        }
    };
    showProgressBar();
    file.setStreamVariable(streamVariable);
}

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

License:Open Source License

private StreamVariable createStreamVariable(final String inFileName, // NOPMD
        final IBibliographyTask inTask) {
    return new StreamVariable() {
        @Override/* w  w  w. j  a v a  2  s  .co m*/
        public OutputStream getOutputStream() { // NOPMD
            return createStream(inFileName);
        }

        @Override
        public void streamingStarted(final StreamingStartEvent inEvent) { // NOPMD
            fileInfo = new FileInfo(inEvent.getFileName(), inEvent.getMimeType());
            tempUpload = null; // NOPMD
            uploadFinished = false;
            upload.setVisible(false);
            if (hasDownloads) {
                dialog.setVisible(true); // Google
            }
        }

        @Override
        public void streamingFinished(final StreamingEndEvent inEvent) { // NOPMD
            uploadFinished = true;
            upload.setVisible(true);
            if (!hasDownloads) {
                handleUpload(inTask, false);
            }
        }

        @Override
        public void streamingFailed(final StreamingErrorEvent inEvent) { // NOPMD
            handleDeleteTemp();
        }

        @Override
        public void onProgress(final StreamingProgressEvent inEvent) { // NOPMD
            // intentionally left empty
        }

        @Override
        public boolean listenProgress() { // NOPMD
            return false;
        }

        @Override
        public boolean isInterrupted() { // NOPMD
            return false;
        }
    };
}

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From source file:org.vaadin.easyuploads.MultiFileUploadExt.java

License:Open Source License

@Override
public void drop(DragAndDropEvent event) {
    DragAndDropWrapper.WrapperTransferable transferable = (DragAndDropWrapper.WrapperTransferable) event
            .getTransferable();/*  w  w  w .j  a va  2s  .  c  o m*/
    Html5File[] files = transferable.getFiles();
    for (final Html5File html5File : files) {
        final ProgressBar pi = new ProgressBar();
        pi.setCaption(html5File.getFileName());
        progressBars.addComponent(pi);
        final FileBuffer receiver = createReceiver();
        html5File.setStreamVariable(new StreamVariable() {
            private static final long serialVersionUID = 1L;
            private String name;
            private String mime;

            @Override
            public OutputStream getOutputStream() {
                return receiver.receiveUpload(name, mime);
            }

            @Override
            public boolean listenProgress() {
                return true;
            }

            @Override
            public void onProgress(StreamVariable.StreamingProgressEvent event) {
                float p = (float) event.getBytesReceived() / (float) event.getContentLength();
                pi.setValue(p);
            }

            @Override
            public void streamingStarted(StreamVariable.StreamingStartEvent event) {
                name = event.getFileName();
                mime = event.getMimeType();
                UI.getCurrent().setPollInterval(300);
            }

            @Override
            public void streamingFinished(StreamVariable.StreamingEndEvent event) {
                progressBars.removeComponent(pi);
                handleFile(receiver.getFile(), html5File.getFileName(), html5File.getType(),
                        html5File.getFileSize());
                receiver.setValue(null);
            }

            @Override
            public void streamingFailed(StreamVariable.StreamingErrorEvent event) {
                progressBars.removeComponent(pi);
            }

            @Override
            public boolean isInterrupted() {
                return false;
            }
        });
    }

}

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From source file:ui.helper.ImageDropBox.java

License:Apache License

@Override
public void drop(final DragAndDropEvent dropEvent) {

    // expecting this to be an html5 drag
    Notification.show("Drop Event...", Notification.Type.WARNING_MESSAGE);
    final DragAndDropWrapper.WrapperTransferable tr = (DragAndDropWrapper.WrapperTransferable) dropEvent
            .getTransferable();//w w  w .  j  av a2 s.  c o m
    final Html5File[] files = tr.getFiles();
    if (files != null) {
        for (final Html5File html5File : files) {
            final String fileName = html5File.getFileName();

            if (html5File.getFileSize() > FILE_SIZE_LIMIT) {
                Notification.show("File rejected. Max 2Mb files are accepted by Sampler",
                        Notification.Type.WARNING_MESSAGE);
            } else {

                final ByteArrayOutputStream bas = new ByteArrayOutputStream();
                final StreamVariable streamVariable = new StreamVariable() {

                    @Override
                    public OutputStream getOutputStream() {
                        return bas;
                    }

                    @Override
                    public boolean listenProgress() {
                        return false;
                    }

                    @Override
                    public void onProgress(final StreamVariable.StreamingProgressEvent event) {
                    }

                    @Override
                    public void streamingStarted(final StreamVariable.StreamingStartEvent event) {
                    }

                    @Override
                    public void streamingFinished(final StreamVariable.StreamingEndEvent event) {
                        storeImageInDB(bas.toByteArray());
                        showFile(fileName, html5File.getType(), bas);
                        progress.setVisible(false);
                    }

                    @Override
                    public void streamingFailed(final StreamVariable.StreamingErrorEvent event) {
                        progress.setVisible(false);
                    }

                    @Override
                    public boolean isInterrupted() {
                        return false;
                    }

                    private void storeImageInDB(byte[] bytes) {
                        Notification.show("Storing in DB", Notification.Type.WARNING_MESSAGE);
                        ServiceLocator.findLifetimeService().addUserPhoto(userId, bytes);
                    }

                };
                html5File.setStreamVariable(streamVariable);
                progress.setVisible(true);
            }
        }

    } else {
        final String text = tr.getText();
        if (text != null) {
            showText(text);
        }
    }
}

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