/*
* Copyright (c) 1998-2007 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 Sam
*/
package com.caucho.quercus.lib.spl;
import com.caucho.quercus.env.CountDelegate;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.ObjectValue;
import com.caucho.quercus.env.ConstStringValue;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.env.StringBuilderValue;
import com.caucho.quercus.env.StringValue;
/**
* A delegate that intercepts the global count() function and calls count()
* method on target objects that implement
* the {@link com.caucho.quercus.lib.spl.Countable} interface.
*/
public class CountableDelegate implements CountDelegate
{
private static final StringValue COUNT_METHOD
= new ConstStringValue("count");
public int count(ObjectValue qThis)
{
Env env = Env.getInstance();
Value count = qThis.callMethod(env, COUNT_METHOD);
return count.toInt();
}
}