/*
* 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 Scott Ferguson
*/
package com.caucho.quercus.env;
import com.caucho.quercus.QuercusException;
import com.caucho.quercus.annotation.Name;
import com.caucho.quercus.module.ModuleContext;
import com.caucho.util.L10N;
import java.lang.reflect.*;
/**
* Represents the introspected static function information.
*/
public class JavaConstructor extends JavaInvoker {
private static final L10N L = new L10N(JavaConstructor.class);
private final Constructor _constructor;
private final int _argLength;
/**
* Creates the statically introspected function.
*
* @param method the introspected method.
*/
public JavaConstructor(ModuleContext moduleContext,
Constructor cons)
{
super(moduleContext,
getName(cons),
cons.getParameterTypes(),
cons.getParameterAnnotations(),
cons.getAnnotations(),
cons.getDeclaringClass());
_constructor = cons;
_argLength = cons.getParameterTypes().length;
}
@Override
public String getDeclaringClassName()
{
return getName();
}
private static String getName(Constructor<?> cons)
{
String name;
Name nameAnn = (Name) cons.getAnnotation(Name.class);
if (nameAnn != null)
name = nameAnn.value();
else {
Class<?> cl = cons.getDeclaringClass();
Name clNameAnn = (Name) cl.getAnnotation(Name.class);
if (clNameAnn != null)
name = nameAnn.value();
else
name = cl.getSimpleName();
}
return name;
}
@Override
public boolean isConstructor()
{
return true;
}
public int getArgumentLength()
{
return _argLength;
}
public Object invoke(Object obj, Object []args)
{
try {
obj = _constructor.newInstance(args);
return obj;
} catch (RuntimeException e) {
throw e;
} catch (InvocationTargetException e) {
if (e.getCause() instanceof RuntimeException)
throw (RuntimeException) e.getCause();
else
throw new QuercusException(e.getCause());
} catch (Exception e) {
throw new QuercusException(e);
}
}
}