| 1 | <!DOCTYPE html> |
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| 2 | <html> |
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| 3 | <head> |
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| 4 | </head> |
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| 5 | |
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| 6 | <body> |
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| 7 | |
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| 8 | <div style="display: none;"> |
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| 9 | |
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| 10 | <script> |
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| 11 | // Set up a fallback position in case this page is accessed outside of a JSP context |
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| 12 | // (i.e., the JSP blocks aren't executed) |
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| 13 | var message = "Failed to execute JSP code blocks"; |
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| 14 | var exit_val = 404; // not currently used |
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| 15 | |
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| 16 | </script> |
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| 17 | |
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| 18 | <%@ page import="java.io.*,java.util.*,java.awt.image.*,javax.imageio.*,javax.xml.bind.DatatypeConverter" %> |
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| 19 | |
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| 20 | <%! |
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| 21 | |
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| 22 | void writeImageDataToFile(File image_file, String image_data) |
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| 23 | { |
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| 24 | if (image_data == null) { |
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| 25 | // Some fake data (a small arrow icon) useful for testing purposes when image_data is not supplied in the URL |
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| 26 | image_data = "iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABL0lEQVR42q2TLW/DMBCG+1OKworCzMzMAsMCQw0zaGgaahwaXKmsoxuaVD66X3G995Jzk/Rj0rSTXsW+j8cXf+x2/22X7wu1Y0cmVlQEK8IYPsReFiOpjI7CZyFK50gDKx4DtUObQU+LXV9zcifFMHz7o5/ViZBzB0FrsvLoGeDp9HUiNUDgWwq5q98BsUo1+aERLQEK0Zhq1QWIDQNUW4BCNN7Ne7UCuHDT+DHSI3v/eZM4ADidDNjzpOxM1iMAutJ4kzztlwDQDqHM2gIw15jlbmveg1UH2BDbV3xEk5YAjNXvUiWbbbdHiSM5RDsHbQbga6IVwQ8AVkfu3a2U69tP7aEQKqPhYkM2wV9LDDkvbyPoLk3JLV8sCGP4EHtavH1MRbT5MRVz4a+P6S92BSaqyCgd7GKfAAAAAElFTkSuQmCC"; |
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| 27 | } |
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| 28 | else { |
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| 29 | // skip over 'data:image/png;base64' |
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| 30 | image_data = image_data.replace("data:image/png;base64",""); |
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| 31 | } |
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| 32 | |
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| 33 | byte[] image_bytes = DatatypeConverter.parseBase64Binary(image_data); |
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| 34 | |
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| 35 | try { |
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| 36 | FileOutputStream fos = new FileOutputStream(image_file); |
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| 37 | fos.write(image_bytes); |
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| 38 | fos.close(); |
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| 39 | } |
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| 40 | catch (Exception e) { |
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| 41 | e.printStackTrace(); |
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| 42 | } |
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| 43 | } |
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| 44 | |
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| 45 | %> |
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| 46 | |
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| 47 | |
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| 48 | <% |
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| 49 | String doc_base = getServletContext().getRealPath("/"); |
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| 50 | File render_dir = new File(doc_base,"render-3d"); |
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| 51 | File render_images_dir = new File(render_dir,"images"); |
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| 52 | File flag_file = new File(render_images_dir,"flag.png"); |
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| 53 | |
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| 54 | String image_data = request.getParameter("imageData"); |
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| 55 | |
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| 56 | |
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| 57 | |
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| 58 | writeImageDataToFile(flag_file,image_data); |
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| 59 | |
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| 60 | out.println("<script>"); |
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| 61 | out.println("message = \"Image File Saved: <docBase>/render-3d/images/" + flag_file.getName() + "\";"); |
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| 62 | out.println("</script>"); |
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| 63 | |
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| 64 | %> |
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| 65 | |
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| 66 | </div> |
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| 67 | |
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| 68 | <script> |
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| 69 | |
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| 70 | document.write("<div>" + message + "</div>\n"); |
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| 71 | |
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| 72 | </script> |
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| 73 | |
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| 74 | </body> |
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| 75 | |
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| 76 | </html> |
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