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package com.sun.ejb.codegen;
import java.lang.reflect.Method;
import java.io.*;
import java.util.*;
import java.util.logging.*;
import com.sun.logging.*;
import com.sun.ejb.EJBUtils;
import sun.rmi.rmic.IndentingWriter;
import javax.ejb.EnterpriseBean;
import javax.ejb.SessionBean;
import javax.ejb.EntityBean;
import com.sun.enterprise.deployment.*;
import com.sun.enterprise.util.JarClassLoader;
import com.sun.enterprise.util.LocalStringManagerImpl;
import static java.lang.reflect.Modifier.*;
import static com.sun.corba.ee.spi.codegen.Wrapper.*;
import com.sun.corba.ee.spi.codegen.Type;
import com.sun.corba.ee.impl.codegen.ClassGenerator;
/**
* This class is used to generate a Serializable sub-class
* of a 3.0 stateful session bean.
*/
public class SerializableBeanGenerator extends Generator
implements ClassGeneratorFactory {
private static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(SerializableBeanGenerator.class);
private static Logger _logger=null;
static{
_logger=LogDomains.getLogger(LogDomains.DPL_LOGGER);
}
private Class beanClass;
private String generatedSerializableClassName;
private ClassLoader loader;
/**
* Get the fully qualified name of the generated class.
* @return the name of the generated class.
*/
public String getGeneratedClass() {
return generatedSerializableClassName;
}
// For corba codegen infrastructure
public String className() {
return getGeneratedClass();
}
public SerializableBeanGenerator(ClassLoader cl,
String beanClassName)
throws GeneratorException
{
super();
loader = cl;
try {
beanClass = cl.loadClass(beanClassName);
} catch (ClassNotFoundException ex) {
throw new InvalidBean(
localStrings.getLocalString(
"generator.remote_interface_not_found",
"Remote interface not found "));
}
generatedSerializableClassName =
EJBUtils.getGeneratedSerializableClassName(beanClassName);
}
public ClassGenerator evaluate() {
_clear();
String packageName = getPackageName(generatedSerializableClassName);
String simpleName = getBaseName(generatedSerializableClassName);
if( packageName != null ) {
_package(packageName);
} else {
// no-arg _package() call is required for default package
_package();
}
List toImplement = new LinkedList<Type>();
toImplement.add(_t("java.io.Serializable"));
_class(PUBLIC, simpleName, _t(beanClass.getName()), toImplement);
_constructor( PUBLIC ) ;
_body();
_expr(_super(_s(_void()))) ;
_end();
_method( PRIVATE, _void(), "writeObject", _t("java.io.IOException"));
_arg( _t("java.io.ObjectOutputStream"), "oos" );
_body();
_expr(_call( _t("com.sun.ejb.EJBUtils"), "serializeObjectFields",
_s(_void(),
_Class(), _Object(), _t("java.io.ObjectOutputStream")),
_const(_t(beanClass.getName())), _this(),
_v("oos")));
_end();
_method( PRIVATE, _void(), "readObject", _t("java.io.IOException"),
_t("java.lang.ClassNotFoundException") );
_arg( _t("java.io.ObjectInputStream"), "ois" );
_body();
_expr(_call( _t("com.sun.ejb.EJBUtils"), "deserializeObjectFields",
_s(_void(),
_Class(), _Object(), _t("java.io.ObjectInputStream")),
_const(_t(beanClass.getName())), _this(),
_v("ois")));
_end();
_end();
return _classGenerator() ;
}
/**
* Generate the code to the specified output stream.
* @param the output stream
* @exception GeneratorException on a generation error
* @exception IOException on an IO error
*/
public void generate(OutputStream out)
throws GeneratorException, IOException
{
IndentingWriter p = new IndentingWriter(new OutputStreamWriter(out));
String packageName = getPackageName(generatedSerializableClassName);
String simpleName = getBaseName(generatedSerializableClassName);
p.pln("");
if (packageName != null) {
p.pln("package " + packageName + ";");
}
p.pln("");
p.plnI("public class " + simpleName + " extends " + beanClass.getName()
+ " implements java.io.Serializable { ");
p.pln("");
p.plnI("private void writeObject(java.io.ObjectOutputStream oos) throws java.io.IOException {");
p.pln(" com.sun.ejb.EJBUtils.serializeObjectFields(" +
beanClass.getName() + ".class, this, oos);");
p.pln("}");
p.plnI("private void readObject(java.io.ObjectInputStream ois) throws java.io.IOException, java.lang.ClassNotFoundException {");
p.pln(" com.sun.ejb.EJBUtils.deserializeObjectFields(" +
beanClass.getName() + ".class, this, ois);");
p.pln("}");
p.pOln("}");
p.close();
}
}