Mercy Family Medicine Residency Program

<body topmargin="0" leftmargin="0"> <p>This page uses frames, but your browser doesn't support them.</p> <p>package com.psol.author; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.awt.*; import java.awt.font.*; import java.awt.geom.*; import java.awt.image.*; import com.sun.image.codec.jpeg.*; public class WebCounter extends HttpServlet { protected int count = 0; protected final static int WIDTH = 50, HEIGHT = 18, FONTSIZE = 14; protected final static String FONTNAME = "Arial", FILENAME = "webcounter.data"; public void init(ServletConfig config) throws ServletException { super.init(config); try { DataInputStream in = new DataInputStream( new FileInputStream(FILENAME)); count = in.readInt(); } catch(IOException x) {} } public void destroy() { try { DataOutputStream out = new DataOutputStream( new FileOutputStream(FILENAME)); out.writeInt(count); } catch(IOException x) {} } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("image/jpeg"); BufferedImage img = draw(Integer.toString(++count)); OutputStream out = response.getOutputStream(); JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out); JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(img); param.setQuality(1.0f,true); encoder.encode(img,param); out.close(); } protected BufferedImage draw(String st) { BufferedImage img = new BufferedImage(WIDTH,HEIGHT, BufferedImage.TYPE_INT_RGB); Graphics2D g2 = img.createGraphics(); g2.setBackground(Color.orange); g2.clearRect(0,0,WIDTH,HEIGHT); g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setColor(Color.black); Font font = new Font(FONTNAME,Font.PLAIN,FONTSIZE); g2.setFont(font); TextLayout tl = new TextLayout(st,font, g2.getFontRenderContext()); Rectangle2D r = tl.getBounds(); // center the text tl.draw(g2,(float)((WIDTH - r.getWidth()) / 2), (float)(((HEIGHT - r.getHeight()) / 2) + r.getHeight())); g2.dispose(); return img; } public String getServletInfo() { return "WebCounter by B. Marchal for developer.com"; } } </p> </body>