/*
* 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.Env;
import com.caucho.quercus.env.JavaCollectionAdapter;
import com.caucho.quercus.env.JavaListAdapter;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.program.JavaClassDef;
import com.caucho.util.L10N;
/**
* Code for marshalling arguments.
*/
public class JavaCollectionMarshal extends JavaMarshal {
private static final L10N L = new L10N(JavaMarshal.class);
public JavaCollectionMarshal(JavaClassDef def,
boolean isNotNull)
{
this(def, isNotNull, false);
}
public JavaCollectionMarshal(JavaClassDef def,
boolean isNotNull,
boolean isUnmarshalNullAsFalse)
{
super(def, isNotNull, isUnmarshalNullAsFalse);
}
public Object marshal(Env env, Value value, Class argClass)
{
if (! value.isset()) {
if (_isNotNull) {
env.warning(L.l("null is an unexpected argument, expected {0}",
shortName(argClass)));
}
return null;
}
Object obj = value.toJavaCollection(env, argClass);
if (obj == null) {
if (_isNotNull) {
env.warning(L.l("null is an unexpected argument, expected {0}",
shortName(argClass)));
}
return null;
}
else if (! argClass.isAssignableFrom(obj.getClass())) {
env.warning(L.l(
"'{0}' of type '{1}' is an unexpected argument, expected {2}",
value,
shortName(value.getClass()),
shortName(argClass)));
return null;
}
return obj;
}
@Override
protected int getMarshalingCostImpl(Value argValue)
{
if (argValue instanceof JavaCollectionAdapter
&& getExpectedClass().isAssignableFrom(
argValue.toJavaObject().getClass()))
return Marshal.ZERO;
else if (argValue.isArray())
return Marshal.THREE;
else
return Marshal.FOUR;
}
}