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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
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*
* Modifications:
* If applicable, add the following below the License Header, with the fields
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*/
package com.sun.ejb.codegen;
import java.lang.reflect.Method;
import java.io.*;
import java.util.*;
import static java.lang.reflect.Modifier.*;
import static org.glassfish.pfl.dynamic.codegen.spi.Wrapper.*;
import org.glassfish.pfl.dynamic.codegen.spi.Type ;
import org.glassfish.pfl.dynamic.codegen.spi.Expression ;
import com.sun.ejb.EJBUtils;
import com.sun.enterprise.util.LocalStringManagerImpl;
/**
*
*/
public class Remote30WrapperGenerator extends Generator
implements ClassGeneratorFactory {
private static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(Remote30WrapperGenerator.class);
private String remoteInterfaceName;
private Class businessInterface;
private String remoteClientClassName;
private String remoteClientPackageName;
private String remoteClientSimpleName;
private Method[] bizMethods;
private ClassLoader loader;
public String getGeneratedClass() {
return remoteClientClassName;
}
// For corba codegen infrastructure
public String className() {
return getGeneratedClass();
}
/**
* Construct the Wrapper generator with the specified deployment
* descriptor and class loader.
* @exception GeneratorException.
*/
public Remote30WrapperGenerator
(ClassLoader cl, String businessIntfName, String remoteIntfName)
throws GeneratorException
{
super();
remoteInterfaceName = remoteIntfName;
loader = cl;
try {
this.businessInterface = cl.loadClass(businessIntfName);
} catch (ClassNotFoundException ex) {
throw new InvalidBean(
localStrings.getLocalString(
"generator.remote_interface_not_found",
"Business interface " + businessInterface + " not found "));
}
if( jakarta.ejb.EJBObject.class.isAssignableFrom(businessInterface) ) {
throw new GeneratorException("Invalid Remote Business Interface " +
businessInterface + ". A Remote Business interface MUST " +
"not extend jakarta.ejb.EJBObject.");
}
remoteClientClassName = EJBUtils.
getGeneratedRemoteWrapperName(businessInterface.getName());
remoteClientPackageName = getPackageName(remoteClientClassName);
remoteClientSimpleName = getBaseName(remoteClientClassName);
bizMethods = removeDups(businessInterface.getMethods());
// NOTE : no need to remove ejb object methods because EJBObject
// is only visible through the RemoteHome view.
}
public void evaluate() {
_clear();
if (remoteClientPackageName != null) {
_package(remoteClientPackageName);
} else {
// no-arg _package() call is required for default package
_package();
}
_class(PUBLIC, remoteClientSimpleName,
_t("com.sun.ejb.containers.RemoteBusinessWrapperBase"),
_t(businessInterface.getName()));
_data(PRIVATE, _t(remoteInterfaceName), "delegate_");
_constructor( PUBLIC ) ;
_arg(_t(remoteInterfaceName), "stub");
_arg(_String(), "busIntf");
_body();
_expr(_super(_s(_void(), _t("java.rmi.Remote"), _String()),
_v("stub"), _v("busIntf"))) ;
_assign(_v("delegate_"), _v("stub"));
_end();
for(int i = 0; i < bizMethods.length; i++) {
printMethodImpl(bizMethods[i]);
}
_end();
try {
java.util.Properties p = new java.util.Properties();
p.put("Wrapper.DUMP_AFTER_SETUP_VISITOR", "true");
p.put("Wrapper.TRACE_BYTE_CODE_GENERATION", "true");
p.put("Wrapper.USE_ASM_VERIFIER", "true");
_byteCode(loader, p);
} catch(Exception e) {
System.out.println("Got exception when generating byte code");
e.printStackTrace();
}
_classGenerator() ;
return;
}
private void printMethodImpl(Method m)
{
List exceptionList = new LinkedList();
for(Class exception : m.getExceptionTypes()) {
exceptionList.add(Type.type(exception));
}
_method( PUBLIC, Type.type(m.getReturnType()),
m.getName(), exceptionList);
int i = 0;
List expressionListTypes = new LinkedList();
List expressionList = new LinkedList();
for(Class param : m.getParameterTypes()) {
String paramName = "param" + i;
_arg(Type.type(param), paramName);
i++;
expressionListTypes.add(Type.type(param));
expressionList.add(_v(paramName));
}
_body();
_try();
Class returnType = m.getReturnType();
if( returnType == void.class ) {
_expr( _call( _v("delegate_"), m.getName(),
_s(Type.type(returnType), expressionListTypes),
expressionList));
} else {
_return( _call( _v("delegate_"), m.getName(),
_s(Type.type(returnType), expressionListTypes),
expressionList) );
}
boolean doExceptionTranslation =
!java.rmi.Remote.class.isAssignableFrom(businessInterface);
if( doExceptionTranslation ) {
_catch( _t("jakarta.transaction.TransactionRolledbackException"),
"trex");
_define( _t("java.lang.RuntimeException"), "r",
_new( _t("jakarta.ejb.EJBTransactionRolledbackException"),
_s(_void())));
_expr( _call( _v("r"), "initCause",
_s(_t("java.lang.Throwable"),
_t("java.lang.Throwable")),
_v("trex")));
_throw(_v("r"));
_catch( _t("jakarta.transaction.TransactionRequiredException"),
"treqex");
_define( _t("java.lang.RuntimeException"), "r",
_new( _t("jakarta.ejb.EJBTransactionRequiredException"),
_s(_void())));
_expr( _call( _v("r"), "initCause",
_s(_t("java.lang.Throwable"),
_t("java.lang.Throwable")),
_v("treqex")));
_throw(_v("r"));
_catch( _t("java.rmi.NoSuchObjectException"),
"nsoe");
_define( _t("java.lang.RuntimeException"), "r",
_new( _t("jakarta.ejb.NoSuchEJBException"),
_s(_void())));
_expr( _call( _v("r"), "initCause",
_s(_t("java.lang.Throwable"),
_t("java.lang.Throwable")),
_v("nsoe")));
_throw(_v("r"));
_catch( _t("java.rmi.AccessException"),
"accex");
_define( _t("java.lang.RuntimeException"), "r",
_new( _t("jakarta.ejb.EJBAccessException"),
_s(_void())));
_expr( _call( _v("r"), "initCause",
_s(_t("java.lang.Throwable"),
_t("java.lang.Throwable")),
_v("accex")));
_throw(_v("r"));
_catch(_t("com.sun.ejb.containers.InternalEJBContainerException"),
"iejbcEx");
// This wraps an EJBException. Pull out the cause and throw
// it as is.
//_define( _t("java.lang.Throwable"), "r", _null());
// _throw(_cast(_t("jakarta.ejb.EJBException"), _v("r")));
_throw(_cast(_t("jakarta.ejb.EJBException"),
_call( _v("iejbcEx"), "getCause",
_s(_t("java.lang.Throwable")))));
_catch( _t("java.rmi.RemoteException"), "re");
_throw( _new( _t("jakarta.ejb.EJBException"),
_s(_void(), _t("java.lang.Exception")),
_v("re")));
_catch( _t("org.omg.CORBA.SystemException"), "corbaSysEx");
_define( _t("java.lang.RuntimeException"), "r",
_new( _t("jakarta.ejb.EJBException"),
_s(_void())));
_expr( _call( _v("r"), "initCause",
_s(_t("java.lang.Throwable"),
_t("java.lang.Throwable")),
_v("corbaSysEx")));
_throw(_v("r"));
_end();
} else {
_catch(_t("com.sun.ejb.containers.InternalEJBContainerException"), "iejbcEx");
_throw( _new( _t("com.sun.ejb.containers.InternalRemoteException"),
_s(_void(), _t("com.sun.ejb.containers.InternalEJBContainerException")),
_v("iejbcEx")));
_end();
}
_end();
}
}
