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Lift Framework example source code file (LoanWrapper.scala)

This example Lift Framework source code file (LoanWrapper.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

commonloanwrapper, commonloanwrapper, list, lwt, lwt, nil, nil, t, t

The Lift Framework LoanWrapper.scala source code

/*
 * Copyright 2006-2011 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 common 

/**
 * This trait defines the principle contract for function objects that
 * wrap the processing of HTTP requests by Lift while utilizing the preestablished
 * request-local scope.
 */
trait CommonLoanWrapper {
  /**
   * Implementations of this method may either call f to continue processing
   * the wrapped call as normal, or may ignore f to entirely replace the
   * wrapped call with a custom implementation
   * @param f the delegate which provides processing by the underlying framework
   */
  def apply[T](f: => T): T
}

object CommonLoanWrapper {
  /**
  * If you have a List of LoanWrappers, apply them and then the functions
  */
  def apply[T, LWT <: CommonLoanWrapper](lst: List[LWT])(f: => T): T = lst match {
    case Nil => f
    case x :: xs => x.apply(this.apply(xs)(f))
  }
}

Other Lift Framework examples (source code examples)

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