/*
* Copyright (c) 1998-2010 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.server.dispatch;
import com.caucho.config.program.ConfigProgram;
import com.caucho.config.program.ContainerProgram;
import com.caucho.config.ConfigELContext;
import com.caucho.config.types.RawString;
import com.caucho.el.EL;
import com.caucho.el.MapVariableResolver;
import com.caucho.util.L10N;
import javax.el.ELContext;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import java.util.ArrayList;
import java.util.HashMap;
/**
* Configuration for a servlet regexp.
*/
public class ServletRegexp {
private static final L10N L = new L10N(ServletRegexp.class);
private String _urlRegexp;
private String _servletName;
private String _servletClassName;
// The configuration program
private ContainerProgram _program = new ContainerProgram();
/**
* Creates a new servlet regexp object.
*/
public ServletRegexp()
{
}
/**
* Sets the url regexp
*/
public void setURLRegexp(String pattern)
{
_urlRegexp = pattern;
}
/**
* Gets the url regexp
*/
public String getURLRegexp()
{
return _urlRegexp;
}
/**
* Sets the servlet name.
*/
public void setServletName(RawString string)
{
_servletName = string.getValue();
}
/**
* Sets the servlet name.
*/
public String getServletName()
{
return _servletName;
}
/**
* Sets the servlet class name.
*/
public void setServletClass(RawString string)
{
_servletClassName = string.getValue();
}
/**
* Gets the servlet class name.
*/
public String getServletClass()
{
return _servletClassName;
}
/**
* Adds to the builder program.
*/
public void addBuilderProgram(ConfigProgram program)
{
_program.addProgram(program);
}
/**
* Returns the program.
*/
public ContainerProgram getBuilderProgram()
{
return _program;
}
/**
* Initialize for a regexp.
*/
String initRegexp(ServletContext application,
ServletManager manager,
ArrayList<String> vars)
throws ServletException
{
ELContext env = EL.getEnvironment();
HashMap<String,Object> map = new HashMap<String,Object>();
map.put("regexp", vars);
ELContext mapEnv = new ConfigELContext(new MapVariableResolver(map));
String rawName = _servletName;
String rawClassName = _servletClassName;
if (rawName == null)
rawName = rawClassName;
try {
String servletName = EL.evalString(rawName, mapEnv);
if (manager.getServletConfig(servletName) != null)
return servletName;
String className = EL.evalString(rawClassName, mapEnv);
ServletConfigImpl config = new ServletConfigImpl();
config.setServletName(servletName);
config.setServletClass(className);
config.setServletContext(application);
_program.configure(config);
config.init();
manager.addServlet(config);
return servletName;
} catch (RuntimeException e) {
throw e;
} catch (ServletException e) {
throw e;
} catch (Exception e) {
throw new ServletException(e);
}
}
/**
* Returns a printable representation of the servlet config object.
*/
public String toString()
{
return "ServletRegexp[" + _urlRegexp + "]";
}
}