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package com.vaadin.tests.components.window;
import com.vaadin.server.StreamResource;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.ui.*;
import org.apache.commons.io.IOUtils;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
public class ClosingWindowWithBrowserFrameShouldntGenerate404
extends AbstractTestUI {
private VerticalLayout layout;
@Override
protected void setup(VaadinRequest request) {
layout = new VerticalLayout();
Button button = new Button("Click Me", e -> showPdfInAWindow());
layout.addComponent(button);
addComponent(layout);
}
private void showPdfInAWindow() {
try {
final String fileName = "sample.pdf";
final byte[] bytes = IOUtils
.toByteArray(getClass().getResource("/" + fileName));
StreamResource.StreamSource source = new StreamResource.StreamSource() {
@Override
public InputStream getStream() {
return new ByteArrayInputStream(bytes);
}
};
StreamResource resource = new StreamResource(source, fileName);
resource.setMIMEType("application/pdf");
resource.getStream().setParameter("Content-Disposition",
"attachment; filename=" + fileName);
resource.setCacheTime(-1);
// Use browser frame
BrowserFrame frame = new BrowserFrame();
frame.setSizeFull();
frame.setSource(resource);
frame.setHeight("650px");
Window pdfWindow = new Window("Sample PDF");
pdfWindow.center();
pdfWindow.setModal(true);
pdfWindow.setResizable(false);
pdfWindow.setHeight("700px");
pdfWindow.setWidth("900px");
pdfWindow.setContent(frame);
pdfWindow.addCloseListener(e -> {
layout.addComponent(new Label("PDF was sent"));
});
UI.getCurrent().addWindow(pdfWindow);
} catch (IOException e) {
e.printStackTrace();
}
}
}
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