runtime compiler!

I found a compiler in run-time!

but I don't know how does it work?

it is a class named jcompiler in util package in shine pattern!

who can help me?

I found it at :
http://sourceforge.net/projects/shine-enterpris/files/

i enjoy doing this:D
so follow my code and you enjoy this too.:)

filename :Engine .java
---------------------

Code:

---

package mypackage;
import org.j2sos.shine.jshooter.Application;
import org.j2sos.shine.maplet.Maplet;
public class Engine extends Maplet {
public String name;
public String body;
public void learning() {
try {
new Memory().addMethod("public String " + name +
"() throws Exception {" + body + "}");
out.println("Learned.");
} catch (Exception e) {
out.println(e.getMessage());
}
}
public void request() {
try {
Application app = new Application();
app.setObject(new Logic());
out.println(app.invokeMethod(name));
} catch (Exception e) {
out.println(e);
}
}
}

---

file name :Logic.java
-----------------------------

Code:

---

package mypackage;
public class Logic {
public String hello() throws Exception {
return "hello user!";
}

---

file name : Memory.java
--------------------------------

Code:

---

package mypackage;
import org.j2sos.shine.util.JCompiler;
public class Memory extends JCompiler
{
public void addMethod(String body)throws Exception{
new
Memory().addCommandToClassBodyInWindowsRuntime("mypackage.Logic",body);
}
}

---

file name : index.jsp
-------------------

Code:

---

<%@ page contentType="text/html;charset=windows-1252"%>
<H1>Virtual Human</H1>
<P>
<a href="Learning.jsp">Learning.jsp</a>
</P>
<P>
<a href="Request.jsp">Request.jsp</a>
</P>

---

file name : Learning.jsp
-----------------------

Code:

---

<%@ page contentType="text/html;charset=windows-1252"%>
<H1>Virtual Human</H1>
<form action="servlet/mypackage.Engine" method="get">
<P>Method Name:
<input type="text" name="name"/>
</P>
<P>Body:</P>
<P>
<textarea cols="40" rows="20" name="body"></textarea>
</P>
<P>
<input type="submit" value="Submit"/>
</P>
</form>

---

file name : Request.jsp
----------------------

Code:

---

<%@ page contentType="text/html;charset=windows-1252"%>
<H1>Virtual Human</H1>
<form action="servlet/mypackage.Engine" method="get">
<P>Method Name:
<input type="text" name="name"/>
</P>
<P>
<input type="submit" value="Submit"/>
</P>
</form>

---

replay me if there was any problem
or refer to shine doc;)

wow!!! thank you I'll try it! and if had questions I'll ask you!

thanks a lot!