/* * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved * * This file is part of Resin(R) Open Source * * Each copy or derived work must preserve the copyright notice and this * notice unmodified. * * Resin Open Source is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Resin Open Source is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty * of NON-INFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with Resin Open Source; if not, write to the * * Free Software Foundation, Inc. * 59 Temple Place, Suite 330 * Boston, MA 02111-1307 USA * * @author Scott Ferguson */ package com.caucho.quercus.marshal; import com.caucho.quercus.env.DoubleValue; import com.caucho.quercus.env.Env; import com.caucho.quercus.env.Value; import com.caucho.quercus.expr.Expr; public class DoubleMarshal extends Marshal { public static final DoubleMarshal MARSHAL = new DoubleMarshal(); public boolean isDouble() { return true; } public boolean isReadOnly() { return true; } public Object marshal(Env env, Expr expr, Class expectedClass) { return new Double(expr.evalDouble(env)); } public Object marshal(Env env, Value value, Class expectedClass) { return new Double(value.toDouble()); } public Value unmarshal(Env env, Object value) { if (value == null) return DoubleValue.ZERO; else return new DoubleValue(((Number) value).doubleValue()); } @Override protected int getMarshalingCostImpl(Value argValue) { return argValue.toDoubleMarshalCost(); /* if (argValue instanceof DoubleValue) return COST_EQUAL; else if (argValue.isLongConvertible()) return COST_LOSSY_NUMERIC; else if (argValue.isDoubleConvertible()) return COST_LOSSLESS_NUMERIC; else return Marshal.FOUR; */ } public Class getExpectedClass() { return double.class; } }