jpeg2000 conversion

< %@ page language="java" contentType="image/jpeg" pageEncoding="UTF-8"%>

< %@page import!="java.awt.Image"%>
< %@page import!="java.awt.image.BufferedImage"%>
< %@page import!="java.io.File"%>

< %@page import!="javax.imageio.ImageIO"%>
< %@page import!="java.applet!.Applet!"%>
< %@page import!="java.awt.Button"%>
< %@page import!="java.awt.Graphics"%>
< %@page import!="java.awt.Image"%>
< %@page import!="java.awt.Rectangle"%>
< %@page import!="java.awt.TextArea"%>
< %@page import!="java.awt.event.ActionEvent"%>
< %@page import!="java.awt.event.ActionListener"%>
< %@page import!="java.awt.image.BufferedImage"%>
< %@page import!="java.awt.image.RenderedImage"%>
< %@page import!="java.io.DataInputStream"%>
< %@page import!="java.io.DataOutputStream"%>
< %@page import!="java.io.File"%>
< %@page import!="java.io.FileOutputStream"%>
< %@page import!="java.io.IOException"%>
< %@page import!="java.net.Socket"%>
< %@page import!="java.net.URL"%>

< %@page import!="javax.imageio.ImageIO"%>
< %@page import!="javax.imageio.ImageReader"%>
< %@page import!="javax.imageio.stream.ImageInputStream"%>
< %@page import!="javax.media.jai.JAI"%>
< %@page import!="javax.media.jai.ParameterBlockJAI"%>
< %@page import!="javax.media.jai.PlanarImage"%>

< %@page import!="com.sun.media.imageio.plugins.jpeg2000.J2KImageReadParam"%>

< % String jp2Path = "C:\\Temp\\temp\\154511004210f.jp2"; String jpgPath = "C:\\Temp\\temp\\154511004210f.jpg"; BufferedImage bi = null; try { bi = decode(jp2Path, jpgPath, "JPEG"); } catch (Exception e) { bi = ImageIO.read(new File("C:\\Temp\\noimage.jpg")); } response.setContentType("image/jpeg"); ImageIO.write(bi, "JPEG", response.getOutputStream()); %>

< %! public static BufferedImage decode(String source, String target, String encode) throws IOException { ImageInputStream in = ImageIO.createImageInputStream(new File(source)); ImageReader reader = ImageIO.getImageReaders(in).next(); reader.setInput(in); boolean workaround = true; J2KImageReadParam param = new J2KImageReadParam(); if (workaround) param.setResolution(5); // param.setSourceRegion(new Rectangle(0,0,reader.getWidth(0),reader.getHeight(0))); System.out.println("*******************************************************1"); BufferedImage image = reader.read(0, param); System.out.println("*******************************************************2"); FileOutputStream stream = new FileOutputStream(target); System.out.println("*******************************************************3"); JAI.create("encode", image, stream, encode, null); stream.flush(); stream.close(); return image; } public static void resize(String src, String target, int width, int height) throws IOException { BufferedImage biSrc = javax.imageio.ImageIO.read(new File(src)); if ( width < 1 && height < 1 ) { width = biSrc.getWidth(); height = biSrc.getHeight(); } else if ( width < 1 ) { width = (int)( (height / (float)biSrc.getHeight()) * biSrc.getWidth()); } else if ( height < 1 ) { height = (int)( (width / (float)biSrc.getWidth()) * biSrc.getHeight()) ; } Image targetImage = biSrc.getScaledInstance(width, height, Image.SCALE_SMOOTH); BufferedImage biTarget = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); biTarget.createGraphics().drawImage(targetImage, 0, 0, null); FileOutputStream fos = new FileOutputStream(target); ImageIO.write(biTarget, "JPEG", fos); fos.close(); } %>