ejtools-cvs

[Laurent E. <let...@us...>]

Update of /cvsroot/ejtools/applications/jndi.browser/src/main/net/sourceforge/ejtools/jndibrowser/model/ejb
In directory usw-pr-cvs1:/tmp/cvs-serv29020/jndi.browser/src/main/net/sourceforge/ejtools/jndibrowser/model/ejb

Added Files:
	EJBHomeProxy.java EJBObjectProxy.java 
Log Message:
Initial Import

--- NEW FILE: EJBHomeProxy.java ---
/*
 * EJTools, the Enterprise Java Tools
 *
 * Distributable under LGPL license.
 * See terms of license at www.gnu.org.
 */
package net.sourceforge.ejtools.jndibrowser.model.ejb;

// Standard Imports
import java.awt.Component;
import java.beans.BeanInfo;
import java.beans.Introspector;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Collection;
import java.util.Iterator;
import javax.ejb.EJBHome;
import javax.rmi.PortableRemoteObject;

// Other Imports
//import com.dreambean.awt.GenericCustomizer;
import net.sourceforge.ejtools.awt.GenericCustomizer;
import net.sourceforge.ejtools.jndibrowser.model.JNDIEntry;

/**
 *Description of the Class
 *
 * @author     letiembl
 * @created    13 décembre 2001
 */
public class EJBHomeProxy extends JNDIEntry implements InvocationHandler
{
   /**Description of the Field */
   protected Class homeClass;
   /**Description of the Field */
   protected BeanInfo info;
   protected BeanInfo proxyInfo;
   /**Description of the Field */
   protected EJBHome home;


   /**
    *Sets the home attribute of the EJBean object
    *
    * @param  o              Description of Parameter
    * @exception  Exception  Description of Exception
    */
   public EJBHomeProxy(Object o) throws Exception
   {
      home = (EJBHome) PortableRemoteObject.narrow(o, EJBHome.class);

      Class[] intf = home.getClass().getInterfaces();
      for (int i = 0; i < intf.length; i++)
      {
         if (EJBHome.class.isAssignableFrom(intf[i]))
         {
            homeClass = intf[i];
         }
      }

	this.info = Introspector.getBeanInfo(this.getClass());
      this.proxyInfo = Introspector.getBeanInfo(this.homeClass);

	System.out.println("BeanInfo " +info );
	System.out.println("BeanInfo " +proxyInfo );

      this.className = homeClass.getName();
   }


   /**
    *Gets the component attribute of the EJBHomeProxy object
    *
    * @return    The component value
    */
   public Component getComponent()
   {
      if (c == null)
      {
         try
         {
            c = new GenericCustomizer(Proxy.newProxyInstance(homeClass.getClassLoader(), new Class[]{BeanInfo.class, homeClass}, this));
         }
         catch (Exception e)
         {
            e.printStackTrace();
         }
      }
      return (Component) c;
   }


   /**
    *Description of the Method
    *
    * @param  proxy          Description of Parameter
    * @param  method         Description of Parameter
    * @param  args           Description of Parameter
    * @return                Description of the Returned Value
    * @exception  Throwable  Description of Exception
    */
   public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
   {
      if (method.getDeclaringClass().equals(BeanInfo.class))
      {
         if (method.getName().startsWith("getIcon")){
	         return method.invoke(info, args);
         }else{
      	   return method.invoke(proxyInfo, args);
         }
      }
      else if (method.getDeclaringClass().equals(Object.class))
      {
         return method.invoke(this, args);
      }
      else
      {
         Iterator iterator = iterator();
         while (iterator.hasNext())
         {
            remove(iterator.next());
         }

         Object result = method.invoke(home, args);

         if (result instanceof Collection)
         {
            Iterator enum = ((Collection) result).iterator();
            while (enum.hasNext())
            {
               add(new EJBObjectProxy(enum.next(), homeClass.getClassLoader()));
            }
         }
         else
         {
            add(new EJBObjectProxy(result, homeClass.getClassLoader()));
         }

         return null;
      }
   }

   /*
    * public String toString()
    * {
    * return homeClass.getName().substring(homeClass.getName().lastIndexOf(".") + 1);
    * }
    */
}


--- NEW FILE: EJBObjectProxy.java ---
/*
 * EJTools, the Enterprise Java Tools
 *
 * Distributable under LGPL license.
 * See terms of license at www.gnu.org.
 */
package net.sourceforge.ejtools.jndibrowser.model.ejb;

// Standard Imports
import java.awt.Component;
import java.beans.BeanInfo;
import java.beans.Customizer;
import java.beans.Introspector;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Collection;
import javax.ejb.EJBObject;

// Other Imports
//import com.dreambean.awt.GenericCustomizer;
import net.sourceforge.ejtools.awt.GenericCustomizer;
import net.sourceforge.ejtools.jndibrowser.model.JNDIEntry;

/**
 * @author     Rickard Oberg (ri...@dr...)
 * @created    2 janvier 2002
 * @see        <related>
 * @version    $Revision: 1.1 $
 */
public class EJBObjectProxy extends JNDIEntry implements InvocationHandler
{
   /**  Description of the Field */
   BeanInfo info;
   /**  Description of the Field */
   BeanInfo proxyInfo;
   /**  Description of the Field */
   Object obj;
   /**  Description of the Field */
   Customizer c;
   /**  Description of the Field */
   Class remote;
   /**  Description of the Field */
   String desc;
   /**  Description of the Field */
   Object proxy;
   /**  Description of the Field */
   PropertyChangeSupport ps;


   /**
    *Constructor for the EJBObjectProxy object
    *
    * @param  obj            Description of Parameter
    * @param  cl             Description of Parameter
    * @exception  Exception  Description of Exception
    */
   public EJBObjectProxy(Object obj, ClassLoader cl) throws Exception
   {
      this.obj = obj;

      Class[] intf = obj.getClass().getInterfaces();
      for (int i = 0; i < intf.length; i++)
      {
         if (EJBObject.class.isAssignableFrom(intf[i]))
         {
            remote = intf[i];
         }
      }

	this.info = Introspector.getBeanInfo(this.getClass());
      this.proxyInfo = Introspector.getBeanInfo(this.remote);

      proxy = Proxy.newProxyInstance(cl,
            new Class[]{BeanInfo.class, remote, PropertyChanger.class},
            this);

      ps = new PropertyChangeSupport(proxy);
   }


   /**
    *Gets the component attribute of the EJBObjectProxy object
    *
    * @return    The component value
    */
   public Component getComponent()
   {
      if (c == null)
      {
         c = new GenericCustomizer(proxy);
      }
      return (Component) c;
   }


   /**
    *Description of the Method
    *
    * @param  proxy          Description of Parameter
    * @param  method         Description of Parameter
    * @param  args           Description of Parameter
    * @return                Description of the Returned Value
    * @exception  Throwable  Description of Exception
    */
   public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
   {
      System.out.println("Invoke " + method);
      if (method.getDeclaringClass().equals(BeanInfo.class))
      {
      System.out.println("Invoke " + method.getName());
         if (method.getName().equals("getIcon")){
	         return method.invoke(info, args);
         }else{
      	   return method.invoke(proxyInfo, args);
         }
      }
      else if (method.getDeclaringClass().equals(Object.class))
      {
         return method.invoke(this, args);
      }
      else if (method.getDeclaringClass().equals(PropertyChanger.class))
      {
         if (method.getName().startsWith("add"))
         {
            ps.addPropertyChangeListener((PropertyChangeListener) args[0]);
         }
         else
         {
            ps.removePropertyChangeListener((PropertyChangeListener) args[0]);
         }
         return null;
      }
      else
      {
         try
         {
            return method.invoke(obj, args);
         }
         finally
         {
            if (!(method.getName().startsWith("get") || method.getName().startsWith("is")))
            {
               ps.firePropertyChange(null, null, null);
            }
         }
      }
   }


   /**
    *Description of the Method
    *
    * @return    Description of the Returned Value
    */
   public String toString()
   {
      if (desc == null)
      {
         /*
          * try
          * {
          * Method m = EJBObject.class.getMethod("getPrimaryKey", new Class[0]);
          * desc = m.invoke(obj, new Object[0]).toString();
          * }
          * catch (Exception e)
          * {
          */
//                desc = remote.getName().substring(remote.getName().lastIndexOf(".") + 1);
         desc = remote.toString();
         /*
          * }
          */
      }
      return desc;
   }
}