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Lift Framework example source code file (ServletFilterProvider.scala)
The Lift Framework ServletFilterProvider.scala source code/* * Copyright 2009-2011 WorldWide Conferencing, LLC * * Licensed 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 net.liftweb package http package provider package servlet import javax.servlet._ import javax.servlet.http._ import net.liftweb.common._ import net.liftweb.util._ import net.liftweb.http._ import Helpers._ trait ServletFilterProvider extends Filter with HTTPProvider { var ctx: HTTPContext = _ //We need to capture the ServletContext on init def init(config: FilterConfig) { ctx = new HTTPServletContext(config.getServletContext) LiftRules.setContext(ctx) bootLift(Box.legacyNullTest(config.getInitParameter("bootloader"))) } //And throw it away on destruction def destroy { ctx = null terminate } def context: HTTPContext = ctx /** * Executes the Lift filter component. */ def doFilter(req: ServletRequest, res: ServletResponse, chain: FilterChain) = { if (LiftRules.ending) chain.doFilter(req, res) else { LiftRules.reqCnt.incrementAndGet() try { TransientRequestVarHandler(Empty, RequestVarHandler(Empty, (req, res) match { case (httpReq: HttpServletRequest, httpRes: HttpServletResponse) => val httpRequest = new HTTPRequestServlet(httpReq, this) val httpResponse = new HTTPResponseServlet(httpRes) service(httpRequest, httpResponse) { chain.doFilter(req, res) } case _ => chain.doFilter(req, res) })) } finally {LiftRules.reqCnt.decrementAndGet()} } } } Other Lift Framework examples (source code examples)Here is a short list of links related to this Lift Framework ServletFilterProvider.scala source code file: |
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