1 package org.apache.turbine.modules.layouts;
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19 import org.apache.turbine.modules.Layout;
20 import org.apache.turbine.util.RunData;
21 import org.apache.turbine.util.TurbineException;
22
23 /***
24 * This layout allows an action to manipulate the ServletOutputStream directly.
25 * It requires that data.declareDirectResponse() has been called to indicate
26 * that the OutputStream is being handled elsewhere.
27 *
28 * @author <a href="mailto:peter@courcoux.biz">Peter Courcoux</a>
29 * @version $Id: DirectResponseLayout.java 264148 2005-08-29 14:21:04Z henning $
30 */
31 public class DirectResponseLayout extends Layout
32 {
33 /***
34 * Ensures that a direct response has been declared.
35 *
36 * @param data Turbine information.
37 * @exception TurbineException if a direct response has not been declared.
38 */
39 public void doBuild(RunData data)
40 throws Exception
41 {
42 if (!data.isOutSet())
43 {
44 throw new TurbineException(
45 "data.declareDirectResponse() has not been called");
46 }
47 }
48
49 }