/*
* Copyright (c) 1998-2011 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
*/
package com.caucho.ejb.gen;
import java.io.IOException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import javax.enterprise.inject.spi.AnnotatedMethod;
import com.caucho.java.JavaWriter;
public class StatelessScheduledMethodTailGenerator<X>
extends StatelessMethodTailGenerator<X>
{
private final String _methodName;
public StatelessScheduledMethodTailGenerator(StatelessScheduledMethodTailFactory<X> factory,
AnnotatedMethod<? super X> method)
{
super(factory, method);
_methodName =
"__caucho_schedule_method_" + _method.getJavaMember().getName();
}
@Override
public void generateMethodPrologue(JavaWriter out, HashMap<String, Object> map)
throws IOException
{
if (map.containsKey(_methodName))
return;
out.println("private java.lang.reflect.Method " + _methodName + ";");
map.put(_methodName, true);
}
@Override
public void generateProxyConstructor(JavaWriter out,
HashMap<String, Object> map)
throws IOException
{
Method javaMethod = _method.getJavaMember();
out.println("try {");
out.pushDepth();
out.println("java.lang.reflect.Method []methods = "
+ getBeanType().getJavaClass().getName() + ".class"
+ ".getDeclaredMethods();");
out.println();
out.println("for (java.lang.reflect.Method method : methods) {");
out.pushDepth();
out.println("if (method.getName().equals(\""
+ javaMethod.getName() + "\")) {");
out.pushDepth();
out.println("Class<?> []parameterTypes = method.getParameterTypes();");
out.println();
Class<?> []parameterTypes = javaMethod.getParameterTypes();
out.println("if (parameterTypes.length != " + parameterTypes.length + ")");
out.pushDepth();
out.println("continue;");
out.popDepth();
for (int i = 0; i < parameterTypes.length; i++) {
Class<?> cl = parameterTypes[i];
out.println("if (! parameterTypes[" + i + "].equals("
+ cl.getName() + ".class))");
out.pushDepth();
out.println("continue;");
out.popDepth();
}
out.println();
out.println(_methodName + " = method;");
out.println(_methodName + ".setAccessible(true);");
out.println();
out.println("break;");
out.popDepth();
out.println("}"); // if method name == method name
out.popDepth();
out.println("}"); // method loop
out.popDepth();
out.println("}"); // try
out.println("catch (Exception e) {");
out.pushDepth();
out.println("throw new RuntimeException(\"Cannot find method \\\""
+ javaMethod.getName() + "\\\"\", e);");
out.popDepth();
out.println("}");
out.println();
out.println("if (" + _methodName + " == null)");
out.pushDepth();
out.println("throw new RuntimeException(\"Cannot find method \\\""
+ javaMethod.getName() + "\\\"\");");
out.popDepth();
}
@Override
public void generateCall(JavaWriter out) throws IOException
{
Method javaMethod = _method.getJavaMember();
String instance = _factory.getAspectBeanFactory().getBeanInstance();
out.println();
out.println("try {");
out.pushDepth();
out.print(_methodName + ".invoke(" + instance);
Class<?>[] types = javaMethod.getParameterTypes();
for (int i = 0; i < types.length; i++) {
out.print(", ");
out.print(" a" + i);
}
out.println(");");
out.popDepth();
out.println("}");
out.println("catch (IllegalAccessException e) {");
out.pushDepth();
out.println("throw new RuntimeException(e);");
out.popDepth();
out.println("}");
out.println("catch (java.lang.reflect.InvocationTargetException e) {");
out.pushDepth();
out.println("throw new RuntimeException(e);");
out.popDepth();
out.println("}");
}
}