Wicket 6 MyBufferPage

package mywebapp;


import org.apache.wicket.request.handler.resource.ResourceStreamRequestHandler;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.util.resource.AbstractResourceStreamWriter;

import java.io.IOException;
import java.io.OutputStream;

/**
 * Page that uses MyAppPageBuffer - http://pastebin.com/XJMV8N7d
 */
public class MyBufferPage extends WebPage {

    private transient String buffer;

    public MainHomePage(PageParameters parameters) {
        super(parameters);
        MyAppPageBuffer  myAppPageBuffer  = ((MyWebApp)getApplication()).getMyAppPageBuffer();
        buffer = myAppPageBuffer.getBuffer();
        if (buffer == null || buffer.isEmpty()){
            //  Redirect or response or whatever
            throw new RestartResponseException(new PageProvider(MyOtherNormalPage.class,new PageParameters()), RenderPageRequestHandler.RedirectPolicy.NEVER_REDIRECT);
        } else {
            getRequestCycle().scheduleRequestHandlerAfterCurrent(new ResourceStreamRequestHandler(new MyBufferPageResourceStream()));
        }


    }

    private class MyBufferPageResourceStream extends AbstractResourceStreamWriter {

        public void write(OutputStream output) throws IOException {
            output.write(MyBufferPage.this.buffer.getBytes());
        }
    }

}