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POVideo Using HTML 5 and servlet
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copied!<p>Below given code is for video streaming. This is fine with IE9 and firefox but it is not fine with Chrome and Mac Safari. </p> <pre><code>import java.io.*; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class VideoStreamServlet */ public class VideoStreamServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * Default constructor. */ public VideoStreamServlet() { // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub String range = request.getHeader("range"); String browser = request.getHeader("User-Agent"); System.out.println(browser); if(browser.indexOf("Firefox") != -1){ System.out.println("==========ITS FIREFOX============="); byte[] data = getBytesFromFile(new File("D:/media/final.ogg")); response.setContentType("video/ogg"); response.setContentLength(data.length); response.setHeader("Content-Range", range + Integer.valueOf(data.length-1)); response.setHeader("Accept-Ranges", "bytes"); response.setHeader("Etag", "W/\"9767057-1323779115364\""); byte[] content = new byte[1024]; BufferedInputStream is = new BufferedInputStream(new ByteArrayInputStream(data)); OutputStream os = response.getOutputStream(); while (is.read(content) != -1) { //System.out.println("... write bytes"); os.write(content); } is.close(); os.close(); } else if(browser.indexOf("Chrome") != -1){ System.out.println("==========ITS Chrome============="); byte[] data = getBytesFromFile(new File("D:/media/final.mp4")); String diskfilename = "final.mp4"; response.setContentType("video/mp4"); //response.setContentType("application/octet-stream"); response.setHeader("Content-Disposition", "attachment; filename=\"" + diskfilename + "\"" ); System.out.println("data.length " + data.length); response.setContentLength(data.length); response.setHeader("Content-Range", range + Integer.valueOf(data.length-1)); response.setHeader("Accept-Ranges", "bytes"); response.setHeader("Etag", "W/\"9767057-1323779115364\""); byte[] content = new byte[1024]; BufferedInputStream is = new BufferedInputStream(new ByteArrayInputStream(data)); OutputStream os = response.getOutputStream(); while (is.read(content) != -1) { //System.out.println("... write bytes"); os.write(content); } is.close(); os.close(); } else if(browser.indexOf("MSIE") != -1) { System.out.println("==========ITS IE9============="); byte[] data = getBytesFromFile(new File("D:/media/final.mp4")); String diskfilename = "final.mp4"; response.setContentType("video/mpeg"); //response.setContentType("application/octet-stream"); response.setHeader("Content-Disposition", "attachment; filename=\"" + diskfilename + "\"" ); System.out.println("data.length " + data.length); response.setContentLength(data.length); response.setHeader("Content-Range", range + Integer.valueOf(data.length-1)); response.setHeader("Accept-Ranges", "text/x-dvi"); response.setHeader("Etag", "W/\"9767057-1323779115364\""); byte[] content = new byte[1024]; BufferedInputStream is = new BufferedInputStream(new ByteArrayInputStream(data)); OutputStream os = response.getOutputStream(); while (is.read(content) != -1) { //System.out.println("... write bytes"); os.write(content); } is.close(); os.close(); } else if( browser.indexOf("CoreMedia") != -1) { System.out.println("============ Safari============="); byte[] data = getBytesFromFile(new File("D:/media/final.mp4")); String diskfilename = "final.mp4"; response.setContentType("video/mpeg"); //response.setContentType("application/octet-stream"); response.setHeader("Content-Disposition", "attachment; filename=\"" + diskfilename + "\"" ); System.out.println("data.length " + data.length); //response.setContentLength(data.length); //response.setHeader("Content-Range", range + Integer.valueOf(data.length-1)); // response.setHeader("Accept-Ranges", " text/*, text/html, text/html;level=1, */* "); // response.setHeader("Etag", "W/\"9767057-1323779115364\""); byte[] content = new byte[1024]; BufferedInputStream is = new BufferedInputStream(new ByteArrayInputStream(data)); OutputStream os = response.getOutputStream(); while (is.read(content) != -1) { //System.out.println("... write bytes"); os.write(content); } is.close(); os.close(); } } /** * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */ protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub } private static byte[] getBytesFromFile(File file) throws IOException { InputStream is = new FileInputStream(file); //System.out.println("\nDEBUG: FileInputStream is " + file); // Get the size of the file long length = file.length(); //System.out.println("DEBUG: Length of " + file + " is " + length + "\n"); /* * You cannot create an array using a long type. It needs to be an int * type. Before converting to an int type, check to ensure that file is * not loarger than Integer.MAX_VALUE; */ if (length > Integer.MAX_VALUE) { System.out.println("File is too large to process"); return null; } // Create the byte array to hold the data byte[] bytes = new byte[(int)length]; // Read in the bytes int offset = 0; int numRead = 0; while ( (offset < bytes.length) && ( (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) ) { offset += numRead; } // Ensure all the bytes have been read in if (offset < bytes.length) { throw new IOException("Could not completely read file " + file.getName()); } is.close(); return bytes; } } </code></pre>

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