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Lift Framework example source code file (PatternField.scala)
The Lift Framework PatternField.scala source code/* * Copyright 2010-2011 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 mongodb package record package field import java.util.regex.Pattern import scala.xml.NodeSeq import net.liftweb.common.{Box, Empty, Failure, Full} import net.liftweb.http.js.JE.{JsNull, Str} import net.liftweb.json.JsonAST._ import net.liftweb.json.{JsonParser, Printer} import net.liftweb.mongodb.record._ import net.liftweb.record.{Field, FieldHelpers, MandatoryTypedField} import net.liftweb.util.Helpers.tryo class PatternField[OwnerType <: BsonRecord[OwnerType]](rec: OwnerType) extends Field[Pattern, OwnerType] with MandatoryTypedField[Pattern] { def owner = rec def defaultValue = Pattern.compile("") def setFromAny(in: Any): Box[Pattern] = in match { case p: Pattern => setBox(Full(p)) case Some(p: Pattern) => setBox(Full(p)) case Full(p: Pattern) => setBox(Full(p)) case (p: Pattern) :: _ => setBox(Full(p)) case s: String => setFromString(s) case Some(s: String) => setFromString(s) case Full(s: String) => setFromString(s) case null|None|Empty => setBox(defaultValueBox) case f: Failure => setBox(f) case o => setFromString(o.toString) } def setFromJValue(jvalue: JValue): Box[Pattern] = jvalue match { case JNothing|JNull if optional_? => setBox(Empty) case JObject(JField("$regex", JString(s)) :: JField("$flags", JInt(f)) :: Nil) => setBox(Full(Pattern.compile(s, f.intValue))) case other => setBox(FieldHelpers.expectedA("JObject", other)) } // parse String into a JObject def setFromString(in: String): Box[Pattern] = tryo(JsonParser.parse(in)) match { case Full(jv: JValue) => setFromJValue(jv) case f: Failure => setBox(f) case other => setBox(Failure("Error parsing String into a JValue: "+in)) } def toForm: Box[NodeSeq] = Empty def asJs = asJValue match { case JNothing => JsNull case jv => Str(Printer.compact(render(jv))) } def asJValue: JValue = valueBox.map(v => Meta.patternAsJValue(v)) openOr (JNothing: JValue) } Other Lift Framework examples (source code examples)Here is a short list of links related to this Lift Framework PatternField.scala source code file: |
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