/*
* Copyright (c) 1998-2010 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.program;
import com.caucho.quercus.env.*;
/**
* A delegate that performs Array operations for Quercus objects.
*/
public class FunctionArrayDelegate implements ArrayDelegate {
private JavaInvoker _arrayGet;
private JavaInvoker _arrayPut;
private JavaInvoker _arrayCount;
public FunctionArrayDelegate() {
}
/**
* Sets the custom function for the array get.
*/
public void setArrayGet(JavaInvoker arrayGet) {
_arrayGet = arrayGet;
}
/**
* Sets the custom function for the array set.
*/
public void setArrayPut(JavaInvoker arrayPut) {
_arrayPut = arrayPut;
}
/**
* Sets the custom function for the array set.
*/
public void setArrayCount(JavaInvoker arrayCount) {
_arrayCount = arrayCount;
}
/**
* Returns the value for the specified key.
*/
@Override
public Value get(ObjectValue qThis, Value key) {
if (_arrayGet != null) {
return _arrayGet.callMethod(Env.getInstance(),
_arrayGet.getQuercusClass(),
qThis,
new Value[]{key});
} else {
return UnsetValue.UNSET;
}
}
/**
* Sets the value for the spoecified key.
*/
@Override
public Value put(ObjectValue qThis, Value key, Value value) {
if (_arrayPut != null) {
return _arrayPut.callMethod(Env.getInstance(),
_arrayPut.getQuercusClass(),
qThis, key, value);
} else {
return UnsetValue.UNSET;
}
}
/**
* Appends a value.
*/
@Override
public Value put(ObjectValue qThis, Value value) {
if (_arrayPut != null) {
return _arrayPut.callMethod(Env.getInstance(),
_arrayPut.getQuercusClass(),
qThis, value);
} else {
return UnsetValue.UNSET;
}
}
/**
* Returns true if the value is set
*/
@Override
public boolean isset(ObjectValue qThis, Value key) {
return get(qThis, key).isset();
}
/**
* Removes the value at the speified key.
*/
@Override
public Value unset(ObjectValue qThis, Value key) {
return UnsetValue.UNSET;
}
/**
* Returns the value for the specified key.
*/
@Override
public long count(ObjectValue qThis) {
if (_arrayCount != null) {
return _arrayCount.callMethod(Env.getInstance(),
_arrayGet.getQuercusClass(),
qThis).toLong();
} else {
return 1;
}
}
}