Lift Framework example source code file (HTTPResponseServlet.scala)

This example Lift Framework source code file (HTTPResponseServlet.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lift Framework tags/keywords

boolean, http, httpresponse, httpresponseservlet, httpservletresponse, int, int, io, list, list, outputstream, request, response, servlet, servlet, string, string, unit

The Lift Framework HTTPResponseServlet.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 scala.collection.mutable.{ListBuffer}
import java.io.{OutputStream}
import javax.servlet.http.{HttpServletResponse, Cookie}
import net.liftweb.common._
import net.liftweb.util._
import Helpers._

class HTTPResponseServlet(resp: HttpServletResponse) extends HTTPResponse {
  private var _status = 0;
 
  def addCookies(cookies: List[HTTPCookie]) = cookies.foreach {
    case c =>
      val cookie = new javax.servlet.http.Cookie(c.name, c.value openOr null)
      c.domain map (cookie.setDomain(_))
      c.path map (cookie.setPath(_))
      c.maxAge map (cookie.setMaxAge(_))
      c.version map (cookie.setVersion(_))
      c.secure_? map (cookie.setSecure(_))
      c.httpOnly.foreach {
        bv =>
        try {
          val cook30 = cookie.asInstanceOf[{def setHttpOnly(b: Boolean): Unit}]
          cook30.setHttpOnly(bv)
        } catch {
          case e => // swallow.. the exception will be thrown for Servlet 2.5 containers but work for servlet
          // 3.0 containers
        }
      }
      resp.addCookie(cookie)
  }

  private val shouldEncodeUrl = LiftRules.encodeJSessionIdInUrl_?

  /**
   * Encode the JSESSIONID in the URL if specified by LiftRules
   */
  def encodeUrl(url: String): String = 
    if (shouldEncodeUrl) {
      resp encodeURL url
    } else {
      url
    }

  def addHeaders(headers: List[HTTPParam]) {
    val appearOnce = Set(LiftRules.overwrittenReponseHeaders.vend.map(_.toLowerCase): _*)
    for (h <- headers;
         value <- h.values) {
      if (appearOnce.contains(h.name.toLowerCase)) resp.setHeader(h.name, value)
      else
        resp.addHeader(h.name, value)
    }
  }

  def setStatus(status: Int) = {
    _status = status
    resp setStatus status
  }

  def getStatus = _status
 
  def setStatusWithReason(status: Int, reason: String) = {
    _status = status
    resp setStatus (status, reason)
  }

  def outputStream: OutputStream = resp getOutputStream
}