package railo.runtime.concurrency;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.concurrent.Callable;
import railo.commons.io.IOUtil;
import railo.runtime.PageContext;
import railo.runtime.PageContextImpl;
import railo.runtime.config.ConfigImpl;
import railo.runtime.engine.ThreadLocalPageContext;
import railo.runtime.exp.PageException;
import railo.runtime.net.http.HttpServletResponseDummy;
import railo.runtime.net.http.ReqRspUtil;
import railo.runtime.thread.ThreadUtil;
public abstract class Caller implements Callable<String> {
private PageContext parent;
private PageContextImpl pc;
private ByteArrayOutputStream baos;
public Caller(PageContext parent) {
this.parent = parent;
this.baos = new ByteArrayOutputStream();
this.pc=ThreadUtil.clonePageContext(parent, baos, false, false, true);
}
public final String call() throws PageException {
ThreadLocalPageContext.register(pc);
pc.getRootOut().setAllowCompression(false); // make sure content is not compressed
String str=null;
try{
_call(parent,pc);
}
finally{
try {
HttpServletResponseDummy rsp=(HttpServletResponseDummy) pc.getHttpServletResponse();
String enc = ReqRspUtil.getCharacterEncoding(pc,rsp);
//if(enc==null) enc="ISO-8859-1";
pc.getOut().flush(); //make sure content is flushed
((ConfigImpl)pc.getConfig()).getFactory().releasePageContext(pc);
str=IOUtil.toString((new ByteArrayInputStream(baos.toByteArray())), enc); // TODO add support for none string content
}
catch (Throwable e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return str;
}
public abstract void _call(PageContext parent, PageContext pc) throws PageException;
//public abstract void afterCleanup(PageContext parent, ByteArrayOutputStream baos);
}