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|
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Sam Ruby (rubys@us.ibm.com) |
+----------------------------------------------------------------------+
*/
/* $Id: servlet.java,v 1.14 2000/07/30 04:50:30 rubys Exp $ */
package net.php;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.Enumeration;
import javax.servlet.*;
import javax.servlet.http.*;
import java.lang.reflect.Method;
public class servlet extends HttpServlet {
char slash=System.getProperty("file.separator").charAt(0);
HttpServletRequest request;
HttpServletResponse response;
ServletInputStream stream;
static int startup_count = 0;
protected boolean display_source_mode = false;
private Method addHeader;
/******************************************************************/
/* native methods */
/******************************************************************/
public native void startup();
public native long define(String name);
public native void send(String requestMethod, String queryString,
String pathInfo, String pathTranslated,
String contentType, int contentLength, String authUser,
boolean display_source_mode);
public native void shutdown();
/******************************************************************/
/* sapi callbacks */
/******************************************************************/
public String readPost(int bytes) {
String result;
if (!request.getMethod().equals("POST")) {
result = request.getQueryString();
} else {
Enumeration e = request.getParameterNames();
result="";
String concat="";
while (e.hasMoreElements()) {
String name = (String)e.nextElement();
String value = request.getParameter(name);
result+=concat+name+"="+URLEncoder.encode(value);
concat="&";
}
}
if (result == null) return "";
return result;
}
public String readCookies() {
reflect.setResult(define("request"), request);
reflect.setResult(define("response"), response);
reflect.setResult(define("PHP_SELF"), request.getRequestURI());
return request.getHeader("cookie");
}
public void header(String data) {
// try to send the header using the most specific servlet API
// as possible (some servlet engines will add a content type
// header unless the setContentType method is called).
try {
if (data.startsWith("Content-type: ")) {
response.setContentType(data.substring(data.indexOf(" ")+1));
} else if (data.startsWith("Location: ")) {
response.sendRedirect(data.substring(data.indexOf(" ")+1));
} else {
int colon = data.indexOf(": ");
if (colon > 0) {
try {
addHeader.invoke(response, new Object[]
{ data.substring(0,colon), data.substring(colon+2) } );
} catch (Exception e) {
e.printStackTrace(System.err);
}
} else {
write(data);
}
}
} catch (IOException e) {
e.printStackTrace(System.err);
}
}
public void write(String data) {
try {
response.getWriter().print(data);
} catch (IOException e) {
e.printStackTrace(System.err);
}
}
/******************************************************************/
/* servlet interface */
/******************************************************************/
public void init(ServletConfig config) throws ServletException {
super.init(config);
// first time in, initialize native code
if (0 == startup_count++) {
reflect.loadLibrary("servlet");
startup();
}
// try to find the addHeader method (added in the servlet API 2.2)
// otherwise settle for the setHeader method
try {
Class c = Class.forName("javax.servlet.http.HttpServletResponse");
Method method[] = c.getDeclaredMethods();
for (int i=0; i<method.length; i++) {
if (method[i].getName().equals("addHeader")) {
addHeader = method[i];
break;
}
if (method[i].getName().equals("setHeader")) {
addHeader = method[i];
}
}
} catch (Exception e) {
e.printStackTrace(System.err);
}
}
public void service(HttpServletRequest request,
HttpServletResponse response,
String contextPath)
throws ServletException
{
this.request=request;
this.response=response;
send(request.getMethod(), request.getQueryString(),
request.getRequestURI(), contextPath,
request.getContentType(), request.getContentLength(),
request.getRemoteUser(), display_source_mode);
try {
if (stream != null) stream.close();
} catch (IOException e) {
throw new ServletException(e.toString());
}
}
public void service(HttpServletRequest request,
HttpServletResponse response)
throws ServletException
{
String servletPath=request.getServletPath();
String contextPath=getServletContext().getRealPath(servletPath);
service(request, response, contextPath);
}
public void destroy() {
if (0 == --startup_count) shutdown();
super.destroy();
}
}
|
