app.springapp.ConvertImageController.java Source code

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Here is the source code for app.springapp.ConvertImageController.java

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package app.springapp;

import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.servlet.ServletException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

/**
 *
 * @author CodeFletcher
 */

@Controller
@Scope("request")
public class ConvertImageController {

    @Autowired
    ImageConverter img_conv;

    @RequestMapping(value = "/convert", method = RequestMethod.GET)
    public ModelAndView redirect() throws ServletException, IOException {
        return new ModelAndView("upload");
    }

    @RequestMapping(value = "/convert", method = RequestMethod.POST)
    public ModelAndView encryptMessage(@RequestParam("message") String message) {

        ModelAndView display = new ModelAndView("display");

        img_conv.setMessage(message);
        img_conv.convertImage();

        return display;

    }

    //Returns image for view
    @RequestMapping(value = "/imageController/{imageId}")
    @ResponseBody
    public byte[] getImage(@PathVariable int imageId) {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        BufferedImage im;
        if (imageId == 1271) {

            im = img_conv.getConvertedImage();

        } else {

            im = img_conv.getOriginalImage();
        }

        try {
            ImageIO.write(im, "png", baos);
        } catch (IOException e) {

        }

        return baos.toByteArray();

    }

}