BookStreamResponse.java

package com.wooki.services;

import java.io.IOException;
import java.io.InputStream;

import org.apache.tapestry5.StreamResponse;
import org.apache.tapestry5.services.Response;

/**
 * Can be used to print a book from an action link.
 * 
 * @author ccordenier
 */
public class BookStreamResponse implements StreamResponse
{

    private final InputStream bookStream;

    private final String filename;

    public BookStreamResponse(String filename, InputStream bookStream)
    {
        this.filename = filename;
        this.bookStream = bookStream;
    }

    public String getContentType()
    {
        return "application/pdf";
    }

    public InputStream getStream() throws IOException
    {
        return this.bookStream;
    }

    public void prepareResponse(Response response)
    {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "max-age=0");
        response.setHeader("Content-Disposition", "attachment; filename=" + this.filename + ".pdf");
    }

}