Re: Source updated for JDK1.5

Keats Kirsch <[email protected]> Mon, 30 May 2005 22:18:01 -0400

Newsgroups	gmane.comp.java.webmacro.user
Message-ID	<[email protected]>

One more bit of code ... I extended your JSPAttributes class a bit.  
Attached for your review.

Keats

Marc Palmer wrote:

> Lane Sharman wrote:
>
>> Hi Keats,
>>
>> this is good news.
>>
>> I will take into account some of the other posts; clean up the 
>> contrib; and post an rc2 shortly.
>
>
> Hold off that RC2 at the moment, I need to get the JSP + Tablig stuff 
> done, hopefully tomorrow.
>
> Cheers
>

JSPAttributes.java (text/plain, 2 KB)

package org.webmacro.jsp;

import java.util.Enumeration;

import javax.servlet.jsp.PageContext;

/**
 * User: mpalmer
 * <p/>
 * Class that provides access to the JSP pageContext attributes
 */
public class JSPAttributes
{

   private PageContext pc;

   private PageAttributes pageAttributes;

   private RequestAttributes requestAttributes;

	private SessionAttributes sessionAttributes;

	private ApplicationAttributes applicationAttributes;

	public JSPAttributes(PageContext pc)
	{
		this.pc = pc;
	}

	public PageContext getPageContext()
	{
		return pc;
	}

	abstract class ScopedAttributes {
		protected int scope;

		public int getScope()
		{
			return scope;		
		}
		
		public Object get(Object name)
		{
			return pc.getAttribute(name.toString(), scope);
		}		

		public void set(Object name, Object value)
		{
			pc.setAttribute(name.toString(), value, scope);
		}
		
		public Enumeration getKeys()
		{
			return pc.getAttributeNamesInScope(scope);
		}
	}
	
   public final class PageAttributes extends ScopedAttributes
   {
		final private int scope = PageContext.PAGE_SCOPE;
   }

   public final class RequestAttributes
   {
		final private int scope = PageContext.REQUEST_SCOPE;
   }

	public final class SessionAttributes
	{
		final private int scope = PageContext.SESSION_SCOPE;
	}

	public final class ApplicationAttributes
	{
		final private int scope = PageContext.APPLICATION_SCOPE;
	}
	
   public PageAttributes getPage()
   {
      if (pageAttributes == null)
      	pageAttributes = new PageAttributes();
		return pageAttributes;
   }

	public RequestAttributes getRequest()
	{
		if (requestAttributes == null)
			requestAttributes = new RequestAttributes();
		return requestAttributes;
	}

	public SessionAttributes getSession()
	{
		if (sessionAttributes == null)
			sessionAttributes = new SessionAttributes();
		return sessionAttributes;
	}

   public ApplicationAttributes getApplication()
   {
   	if (applicationAttributes == null) 
   		applicationAttributes = new ApplicationAttributes();
   	return applicationAttributes; 
   }
}