/** * Copyright (c) 2011-2017, James Zhan 詹波 (jfinal@126.com). * * 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 com.jfinal.template.expr.ast; import com.jfinal.template.stat.Location; import com.jfinal.template.stat.ParseException; import com.jfinal.template.stat.Scope; /** * Ternary */ public class Ternary extends Expr { private Expr cond; private Expr exprOne; private Expr exprTwo; /** * cond ? exprOne : exprTwo */ public Ternary(Expr cond, Expr exprOne, Expr exprTwo, Location location) { if (cond == null || exprOne == null || exprTwo == null) { throw new ParseException("The parameter of ternary expression can not be blank", location); } this.cond = cond; this.exprOne = exprOne; this.exprTwo = exprTwo; this.location = location; } public Object eval(Scope scope) { return Logic.isTrue(cond.eval(scope)) ? exprOne.eval(scope) : exprTwo.eval(scope); } }