net.liftweb.http.SimpleController.scala Maven / Gradle / Ivy
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/*
* Copyright 2007-2011 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
import scala.collection.immutable.TreeMap
import net.liftweb.common._
import net.liftweb.util._
import provider._
/**
* The base trait of Controllers that handle pre-view requests
*/
trait SimpleController
{
def request: Req
def httpRequest: HTTPRequest
def param(name: String): Box[String] = {
request.params.get(name) match {
case None => Empty
case Some(nl) => nl.take(1) match {
case Nil => Empty
case l => Full(l.head)
}
}
}
def post_? : Boolean = request.post_?
def get(name: String): Box[String] =
httpRequest.session.attribute(name) match {
case null => Empty
case n: String => Full(n)
case _ => Empty
}
def set(name: String, value: String): Unit = {
httpRequest.session.setAttribute(name, value)
}
def unset(name: String): Unit = {
httpRequest.session.removeAttribute(name)
}
}