[seam-commits] Seam SVN: r10276 - trunk/src/debug/com/sun/facelets.

Author: norman.richards(a)jboss.com Date: 2009-04-02 14:01:34 -0400 (Thu, 02 Apr 2009) New Revision: 10276 Modified: trunk/src/debug/com/sun/facelets/StateWriterControl.java Log: JBSEAM-4070 Modified: trunk/src/debug/com/sun/facelets/StateWriterControl.java =================================================================== --- trunk/src/debug/com/sun/facelets/StateWriterControl.java 2009-04-02 16:29:36 UTC (rev 10275) +++ trunk/src/debug/com/sun/facelets/StateWriterControl.java 2009-04-02 18:01:34 UTC (rev 10276) @@ -1,6 +1,7 @@ package com.sun.facelets; import java.io.Writer; +import java.lang.reflect.*; import javax.faces.context.ResponseWriter; @@ -11,26 +12,80 @@ * since we are not calling Facelets in the normal way (and hence it is not * completely initialized). */ -public class StateWriterControl -{ - public static void initialize(Writer writer) - { - new StateWriter(writer, 1024); - } - - public static ResponseWriter createClone(ResponseWriter writer) { - return writer.cloneWithWriter(StateWriter.getCurrentInstance()); - } - - public static boolean isStateWritten() { - return StateWriter.getCurrentInstance().isStateWritten(); - } - - public static String getAndResetBuffer() { - return StateWriter.getCurrentInstance().getAndResetBuffer(); - } - - public static void release() { - StateWriter.getCurrentInstance().release(); - } +public class StateWriterControl { + final static String STATEWRITER_CLASS_NAME = "com.sun.facelets.StateWriter"; + + static Class getStateWriter() { + try { + return Class.forName(STATEWRITER_CLASS_NAME); + } catch (Exception e) { + throw new RuntimeException("Could not load class com.sun.facelets.StateWriter using reflection", e); + } + } + + public static void initialize(Writer writer) { + try { + Class sw = getStateWriter(); + Constructor constructor = sw.getConstructor(Writer.class, int.class); + constructor.setAccessible(true); + constructor.newInstance(writer, 1024); + } catch (Exception e) { + throw new RuntimeException("Could not initilise com.sun.facelets.StateWriter using reflection", e); + } + } + + public static ResponseWriter createClone(ResponseWriter writer) { + try { + Class sw = getStateWriter(); + Method meth = sw.getMethod("getCurrentInstance"); + meth.setAccessible(true); + Writer w = (Writer) meth.invoke(null); + return writer.cloneWithWriter(w); + } catch (Exception e) { + throw new RuntimeException("Could not create clone of com.sun.facelets.StateWriter using reflection", e); + } + } + + public static boolean isStateWritten() { + try { + Class sw = getStateWriter(); + Method meth = sw.getMethod("getCurrentInstance"); + meth.setAccessible(true); + Object o = meth.invoke(null); + Method instMeth = sw.getMethod("isStateWritten"); + instMeth.setAccessible(true); + return (Boolean) instMeth.invoke(o); + } catch (Exception e) { + throw new RuntimeException("Could not call isStateWritten on com.sun.facelets.StateWriter using reflection", e); + } + } + + public static String getAndResetBuffer() { + try { + Class sw = getStateWriter(); + Method meth = sw.getMethod("getCurrentInstance"); + meth.setAccessible(true); + Object o = meth.invoke(null); + Method instMeth = sw.getMethod("getAndResetBuffer"); + instMeth.setAccessible(true); + return (String) instMeth.invoke(o); + } catch (Exception e) { + throw new RuntimeException("Could not call getAndResetBuffer on com.sun.facelets.StateWriter using reflection", e); + } + } + + public static void release() { + try { + Class sw = getStateWriter(); + Method meth = sw.getMethod("getCurrentInstance"); + meth.setAccessible(true); + Object o = meth.invoke(null); + Method instMeth = sw.getMethod("release"); + instMeth.setAccessible(true); + instMeth.invoke(o); + } catch (Exception e) { + throw new RuntimeException("Could not call release on com.sun.facelets.StateWriter using reflection",e); + } + } + }