修改ueditor1_4_3编辑器jsp版使上传图片支持水印

 /**
     * 将上传文件和水印文件合成带水印图片
     */
    public static void setWaterMark(File targetFile, String rootPath, String path) throws IOException {
        //源文件
        Image src = ImageIO.read(targetFile);
        int width = src.getWidth(null);
        int height = src.getHeight(null);
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.createGraphics();
        g.drawImage(src, 0, 0, width, height, null);

        // 水印文件
        String FILENAME = rootPath + “ueditor/image/waterMark.png”;

        //FILENAME为url地址时，如：http://www.baidu.com/abc.png
//        URL url = new URL(FILENAME);
//        InputStream pressIs = url.openStream();

        //FILENAME为本地路径时,如：D:/abc.png
        InputStream pressIs = new FileInputStream(FILENAME);
        Image src_biao = ImageIO.read(pressIs);
        int width_biao = src_biao.getWidth(null);
        int height_biao = src_biao.getHeight(null);
        g.drawImage(src_biao, width - width_biao, height - height_biao, width_biao, height_biao, null);

        g.dispose();
        FileOutputStream out = new FileOutputStream(path);
        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
        encoder.encode(image);
        out.close();
    }

private static State saveTmpFile(File tmpFile, String rootPath, String path, Long maxSize) {
    State state = null;
    File targetFile = new File(path);

    if (targetFile.canWrite()) {
        return new BaseState(false, AppInfo.PERMISSION_DENIED);
    }
    try {
        FileUtils.moveFile(tmpFile, targetFile);
    } catch (IOException e) {
        return new BaseState(false, AppInfo.IO_ERROR);
    }

    //判断是否为图片文件
    if (maxSize == 2048000) {
        try {
            //加水印
            setWaterMark(targetFile, rootPath, path);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    state = new BaseState(true);
    state.putInfo("size", targetFile.length());
    state.putInfo("title", targetFile.getName());

    return state;
}