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Lift Framework example source code file (Safe.scala)
The Lift Framework Safe.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 util import java.security.{SecureRandom, MessageDigest} import org.apache.commons.codec.binary.Base64 /** * Manage the current "safety" state of the stack */ object Safe { private val rand = new SecureRandom /** * Get the next "safe" number */ def next = rand.synchronized{rand.nextLong} private val threadLocal = new ThreadGlobal[Long] /** * Is the current context "safe" for the object with the * given safety code? */ def safe_?(test : Long) : Boolean = test == threadLocal.value /** * Marks access to a given object as safe for the duration of the function */ def runSafe[T](x : Long)(f : => T) : T = { threadLocal.doWith(x)(f) } def randomString(len: Int): String = StringHelpers.randomString(len) } Other Lift Framework examples (source code examples)Here is a short list of links related to this Lift Framework Safe.scala source code file: |
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