ssiservlet.java
来自「RESIN 3.2 最新源码」· Java 代码 · 共 143 行
JAVA
143 行
/* * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved * * This file is part of Resin(R) Open Source * * Each copy or derived work must preserve the copyright notice and this * notice unmodified. * * Resin Open Source is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Resin Open Source is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty * of NON-INFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with Resin Open Source; if not, write to the * * Free Software Foundation, Inc. * 59 Temple Place, Suite 330 * Boston, MA 02111-1307 USA * * @author Scott Ferguson */package com.caucho.servlets.ssi;import com.caucho.vfs.Path;import com.caucho.vfs.Vfs;import com.caucho.vfs.WriteStream;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;import java.util.logging.Level;import java.util.logging.Logger;/** * Serves server-side include files. */public class SSIServlet extends HttpServlet{ private static final Logger log = Logger.getLogger(SSIServlet.class.getName()); private SSIFactory _factory; /** * Set's the SSIFactory, default is a factory that handles * the standard Apache SSI commands. */ public void setFactory(SSIFactory factory) { _factory = factory; } public void init() throws ServletException { super.init(); if (_factory == null) _factory = new SSIFactory(); } public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String servletPath; String pathInfo; servletPath = (String) request.getAttribute("javax.servlet.include.servlet_path"); pathInfo = (String) request.getAttribute("javax.servlet.include.path_info"); if (servletPath == null && pathInfo == null) { servletPath = request.getServletPath(); pathInfo = request.getPathInfo(); } String fullPath; if (pathInfo != null) fullPath = servletPath + pathInfo; else fullPath = servletPath; // XXX: check cache String realPath = request.getRealPath(servletPath); Path path = Vfs.lookup().lookup(realPath); if (! path.canRead() || path.isDirectory()) { response.sendError(HttpServletResponse.SC_NOT_FOUND); return; } response.setContentType("text/html"); Statement stmt = new SSIParser(_factory).parse(path); WriteStream out = Vfs.openWrite(response.getOutputStream()); try { stmt.apply(out, request, response); out.close(); } catch (Exception e) { String errmsg = (String) request.getAttribute("caucho.ssi.errmsg"); if (errmsg != null && ! response.isCommitted()) { log.log(Level.FINE, e.toString(), e); response.setStatus(500, errmsg); response.setContentType("text/html"); out.clearWrite(); out.println("<html><head>"); out.println("<title>" + errmsg + "</title>"); out.println("</head>"); out.println("<h1>" + errmsg + "</h1>"); out.println("</html>"); out.close(); } else if (e instanceof RuntimeException) throw (RuntimeException) e; else if (e instanceof IOException) throw (IOException) e; else if (e instanceof ServletException) throw (ServletException) e; else throw new ServletException(e); } }}⌨️ 快捷键说明
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