/*
* Copyright (c) 1998-2008 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 java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Represents a function created from a java method.
*/
public class JavaMethod extends JavaInvoker {
private final Method _method;
/**
* Creates a function from an introspected java method.
*
* @param method the introspected method.
*/
public JavaMethod(ModuleContext moduleContext, Method method)
{
super(moduleContext,
getName(method),
method.getParameterTypes(),
method.getParameterAnnotations(),
method.getAnnotations(),
method.getReturnType());
_method = method;
// php/069a
// Java 6 fixes the need to do this for methods of inner classes
_method.setAccessible(true);
}
private static String getName(Method method)
{
String name;
Name nameAnn = method.getAnnotation(Name.class);
if (nameAnn != null)
name = nameAnn.value();
else
name = method.getName();
return name;
}
@Override
public String getDeclaringClassName()
{
return _method.getDeclaringClass().getSimpleName();
}
/**
* Returns the function's method.
*
* @return the reflection method.
*/
public Method getMethod()
{
return _method;
}
@Override
public Class<?>[] getJavaParameterTypes()
{
return _method.getParameterTypes();
}
@Override
public Class<?> getJavaDeclaringClass()
{
return _method.getDeclaringClass();
}
@Override
public Object invoke(Object obj, Object []args)
{
try {
return _method.invoke(obj, args);
} catch (InvocationTargetException e) {
Throwable e1 = e.getCause();
// php/0g0h
if (e1 instanceof QuercusException)
throw (QuercusException) e1;
if (e1 instanceof QuercusException)
throw (QuercusException) e1;
throw new QuercusException(getStringizedMethodName()+ ": " + e1.getMessage(), e1);
} catch (Exception e) {
throw new QuercusException(getStringizedMethodName() + ": " + e.getMessage(), e);
}
}
private String getStringizedMethodName() {
StringBuffer retval = new StringBuffer();
retval.append(_method.getDeclaringClass().getName());
retval.append(".");
retval.append(_method.getName());
retval.append("(");
Class<?>[] paramTypes = _method.getParameterTypes();
for (int i = 0; i < paramTypes.length; ++i) {
if (i != 0)
retval.append(",");
retval.append(paramTypes[i].getName());
}
retval.append(")");
return retval.toString();
}
@Override
public String toString()
{
return "JavaMethod[" + getStringizedMethodName() + "]";
}
}