org.apache.myfaces.shared_tomahawk.util.servlet.SourceCodeServlet Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.shared_tomahawk.util.servlet;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class SourceCodeServlet extends HttpServlet
{
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException
{
String webPage = req.getServletPath();
// remove the '*.source' suffix that maps to this servlet
int chopPoint = webPage.lastIndexOf(".source");
webPage = webPage.substring(0, chopPoint);
if(webPage.endsWith(".jsf"))
{
int jsfChopPoint = webPage.lastIndexOf(".jsf");
webPage = webPage.substring(0, jsfChopPoint);
webPage += ".jsp"; // replace jsf with jsp
// get the actual file location of the requested resource
String realPath = getServletConfig().getServletContext().getRealPath(webPage);
outputFile(res, realPath);
}
else if(webPage.endsWith(".jsp"))
{
// get the actual file location of the requested resource
String realPath = getServletConfig().getServletContext().getRealPath(webPage);
outputFile(res, realPath);
}
else if(webPage.endsWith(".jspx"))
{
// get the actual file location of the requested resource
String realPath = getServletConfig().getServletContext().getRealPath(webPage);
outputFile(res, realPath);
}
else if(webPage.endsWith(".xhtml"))
{
// get the actual file location of the requested resource
String realPath = getServletConfig().getServletContext().getRealPath(webPage);
outputFile(res, realPath);
}
else
{
int beginChopPoint = webPage.lastIndexOf("/");
int extensionChopPoint = webPage.lastIndexOf(".java");
webPage = webPage.substring(beginChopPoint+1,extensionChopPoint);
try
{
// get the actual file location of the requested resource; try it in classes first
String realPath = getServletConfig().getServletContext().getRealPath("/WEB-INF/classes/"+webPage.replace('.','/')+".java");
outputFile(res, realPath);
}
catch(Exception e)
{
//classes hasn't worked. How about src?
String realPath = getServletConfig().getServletContext().getRealPath("/WEB-INF/src/"+webPage.replace('.','/')+".java");
outputFile(res, realPath);
}
}
}
private void outputFile(HttpServletResponse res, String realPath)
throws IOException
{
// output an HTML page
res.setContentType("text/plain");
// print some html
ServletOutputStream out = res.getOutputStream();
// print the file
InputStream in = null;
try
{
in = new BufferedInputStream(new FileInputStream(realPath));
int ch;
while ((ch = in.read()) !=-1)
{
out.print((char)ch);
}
}
finally {
if (in != null) in.close(); // very important
}
}
}