📄 displaysourceservlet.java
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package net.sf.navigator.example;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.commons.lang.StringUtils;/** * <p>Servlet used to display source code for example pages</p> * @author fgiust (from displaytag project) */public class DisplaySourceServlet extends HttpServlet { //~ Static fields/initializers ============================================= //~ Methods ================================================================ /** * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest, HttpServletResponse) */ protected final void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String file = request.getRequestURI(); file = file.substring(0, file.lastIndexOf(".")); file = StringUtils.replace(file, request.getContextPath(), ""); //if (file.indexOf("/") != -1) { //file = file.substring(file.indexOf("/") + 1); //} InputStream is = getServletContext().getResourceAsStream(file); if (is == null) { throw new ServletException("Unable to find file: " + file); } response.setContentType("text/html"); PrintWriter lOut = response.getWriter(); lOut.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" " + "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">"); lOut.println("<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">"); lOut.println("<head>"); lOut.println("<title>"); lOut.println("source for " + file); lOut.println("</title>"); lOut.println("<meta http-equiv=\"content-type\" content=\"text/html; charset=ISO-8859-1\" />"); lOut.println("</head>"); lOut.println("<body>"); lOut.println("<pre>"); for (int lChar = is.read(); lChar != -1; lChar = is.read()) { if (lChar == '<') { lOut.print("<"); } else { lOut.print((char) lChar); } } lOut.println("</pre>"); lOut.println("</body>"); lOut.println("</html>"); }}⌨️ 快捷键说明
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