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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 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.function;
import com.caucho.quercus.env.ArrayValue;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.QuercusClass;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.program.Arg;
/**
* Lazily load a compiled method.
*/
@SuppressWarnings("serial")
public class LazyMethod extends AbstractFunction
{
private final QuercusClass _quercusClass;
private final LazyMethod _parent;
private final String _name;
private final Class _pageClass;
private final String _className;
private AbstractFunction _fun;
public LazyMethod(Class pageClass,
String name,
String className)
{
_parent = null;
_quercusClass = null;
_name = name;
_pageClass = pageClass;
_className = className;
}
private LazyMethod(LazyMethod parent,
QuercusClass quercusClass,
Class pageClass,
String name,
String className)
{
if (parent == null)
_parent = null;
else if (parent._parent != null)
_parent = parent._parent;
else
_parent = parent;
_quercusClass = quercusClass;
_name = name;
_pageClass = pageClass;
_className = className;
}
@Override
public String getName()
{
return _name;
}
public AbstractFunction toFun(QuercusClass quercusClass)
{
if (_fun != null)
return _fun;
/* php/3249
else if (_parent != null)
return _parent.toFun(quercusClass);
*/
else
return new LazyMethod(this, quercusClass,
_pageClass, _name, _className);
}
private AbstractFunction getFun()
{
if (_fun != null)
return _fun;
try {
ClassLoader loader = _pageClass.getClassLoader();
String className = _pageClass.getName() + "$" + _className;
Class cl = Class.forName(className, false, loader);
/*
Constructor ctor = cl.getConstructors()[0];
ctor.setAccessible(true);
*/
_fun = (AbstractFunction) cl.newInstance();
//_fun.setDeclaringClassName(_declaringClassName);
_fun.setBindingClass(_quercusClass);
if (_quercusClass != null) {
_quercusClass.setModified();
}
if (_parent != null) {
_parent._fun = _fun;
if (_parent._quercusClass != null) {
_parent._quercusClass.setModified();
}
}
return _fun;
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
@Override
public boolean isStatic()
{
return getFun().isStatic();
}
@Override
public boolean isFinal()
{
return getFun().isFinal();
}
@Override
public boolean isPublic()
{
return getFun().isPublic();
}
@Override
public boolean isProtected()
{
return getFun().isProtected();
}
@Override
public boolean isPrivate()
{
return getFun().isPrivate();
}
@Override
public boolean isAbstract()
{
return getFun().isAbstract();
}
@Override
public boolean isTraitMethod()
{
return getFun().isTraitMethod();
}
@Override
public String getComment()
{
return getFun().getComment();
}
@Override
public String getDeclaringClassName()
{
return getFun().getDeclaringClassName();
}
@Override
public Arg []getArgs(Env env)
{
return getFun().getArgs(env);
}
//
// method
//
@Override
public Value callMethod(Env env,
QuercusClass qClass,
Value qThis,
Value []args)
{
return getFun().callMethod(env, qClass, qThis, args);
}
@Override
public Value callMethod(Env env,
QuercusClass qClass,
Value qThis)
{
return getFun().callMethod(env, qClass, qThis);
}
@Override
public Value callMethod(Env env,
QuercusClass qClass,
Value qThis,
Value a1)
{
return getFun().callMethod(env, qClass, qThis, a1);
}
@Override
public Value callMethod(Env env,
QuercusClass qClass,
Value qThis,
Value a1, Value a2)
{
return getFun().callMethod(env, qClass, qThis, a1, a2);
}
@Override
public Value callMethod(Env env,
QuercusClass qClass,
Value qThis,
Value a1, Value a2, Value a3)
{
return getFun().callMethod(env, qClass, qThis, a1, a2, a3);
}
@Override
public Value callMethod(Env env,
QuercusClass qClass,
Value qThis,
Value a1, Value a2, Value a3, Value a4)
{
return getFun().callMethod(env, qClass, qThis, a1, a2, a3, a4);
}
@Override
public Value callMethod(Env env, QuercusClass qClass, Value qThis,
Value a1, Value a2, Value a3, Value a4, Value a5)
{
return getFun().callMethod(env, qClass, qThis, a1, a2, a3, a4, a5);
}
//
// methodRef
//
@Override
public Value callMethodRef(Env env,
QuercusClass qClass,
Value qThis,
Value []args)
{
return getFun().callMethodRef(env, qClass, qThis, args);
}
@Override
public Value callMethodRef(Env env, QuercusClass qClass, Value qThis)
{
return getFun().callMethodRef(env, qClass, qThis);
}
@Override
public Value callMethodRef(Env env, QuercusClass qClass, Value qThis,
Value a1)
{
return getFun().callMethodRef(env, qClass, qThis, a1);
}
@Override
public Value callMethodRef(Env env, QuercusClass qClass, Value qThis,
Value a1, Value a2)
{
return getFun().callMethodRef(env, qClass, qThis, a1, a2);
}
@Override
public Value callMethodRef(Env env, QuercusClass qClass, Value qThis,
Value a1, Value a2, Value a3)
{
return getFun().callMethodRef(env, qClass, qThis, a1, a2, a3);
}
@Override
public Value callMethodRef(Env env, QuercusClass qClass, Value qThis,
Value a1, Value a2, Value a3, Value a4)
{
return getFun().callMethodRef(env, qClass, qThis, a1, a2, a3, a4);
}
@Override
public Value callMethodRef(Env env, QuercusClass qClass, Value qThis,
Value a1, Value a2, Value a3, Value a4, Value a5)
{
return getFun().callMethodRef(env, qClass, qThis, a1, a2, a3, a4, a5);
}
@Override
public Value call(Env env, Value[] args)
{
throw new UnsupportedOperationException(getClass().getName());
}
@Override
public String toString()
{
return getClass().getSimpleName() + "[" + _name + "]";
}
}