[richfaces-svn-commits] JBoss Rich Faces SVN: r15944 - in branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf: context and 1 other directory.

Friday, 20 November 2009


Author: nbelaevski
Date: 2009-11-20 10:16:08 -0500 (Fri, 20 Nov 2009)
New Revision: 15944

Modified:
  
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/application/AjaxStateManager.java
  
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/context/ContextInitParameters.java
Log:
https://jira.jboss.org/jira/browse/RF-8145

Modified:
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/application/AjaxStateManager.java
===================================================================
---
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/application/AjaxStateManager.java	2009-11-20
14:32:01 UTC (rev 15943)
+++
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/application/AjaxStateManager.java	2009-11-20
15:16:08 UTC (rev 15944)
@@ -1,667 +1,690 @@
-/**
- * License Agreement.
- *
- * Rich Faces - Natural Ajax for Java Server Faces (JSF)
- *
- * Copyright (C) 2007 Exadel, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1 as published by the Free Software Foundation.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
- */
-
-package org.ajax4jsf.application;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.io.ObjectStreamClass;
-import java.io.StringWriter;
-import java.lang.reflect.Constructor;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import javax.faces.FacesException;
-import javax.faces.FactoryFinder;
-import javax.faces.application.StateManager;
-import javax.faces.component.UIComponentBase;
-import javax.faces.component.UIViewRoot;
-import javax.faces.context.ExternalContext;
-import javax.faces.context.FacesContext;
-import javax.faces.context.ResponseWriter;
-import javax.faces.render.RenderKit;
-import javax.faces.render.RenderKitFactory;
-import javax.faces.render.ResponseStateManager;
-
-import org.ajax4jsf.context.AjaxContext;
-import org.ajax4jsf.context.ContextInitParameters;
-import org.ajax4jsf.model.KeepAlive;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-/**
- * @author shura
- * 
- */
-public class AjaxStateManager extends StateManager {
-
-
-	public static final String CAPTURED_VIEW_STATE =
"org.ajax4jsf.captured_view_state";
-
-	private final class SeamStateManagerWrapper extends StateManager {
-		protected Object getComponentStateToSave(FacesContext arg0) {
-			// do nothing
-			return null;
-		}
-
-		protected Object getTreeStructureToSave(FacesContext arg0) {
-			// do nothing
-			return null;
-		}
-
-		protected void restoreComponentState(FacesContext arg0,
-				UIViewRoot arg1, String arg2) {
-			// do nothing
-
-		}
-
-		protected UIViewRoot restoreTreeStructure(FacesContext arg0,
-				String arg1, String arg2) {
-			// do nothing
-			return null;
-		}
-
-		public UIViewRoot restoreView(FacesContext arg0, String arg1,
-				String arg2) {
-			// do nothing
-			return null;
-		}
-
-		@SuppressWarnings("deprecation")
-		public SerializedView saveSerializedView(FacesContext context) {
-			// delegate to enclosed class method.
-			Object[] viewState = buildViewState(context);
-			return new SerializedView(viewState[0],viewState[1]);
-		}
-
-		@Override
-		public Object saveView(FacesContext context) {
-			// TODO Auto-generated method stub
-			return buildViewState(context);
-		}
-		@SuppressWarnings("deprecation")
-		public void writeState(FacesContext arg0, SerializedView arg1)
-				throws IOException {
-			// do nothing
-		}
-	}
-
-	private static final Class<StateManager> STATE_MANAGER_ARGUMENTS =
StateManager.class;
-
-	public static final int DEFAULT_NUMBER_OF_VIEWS = 16;
-
-	public static final String AJAX_VIEW_SEQUENCE = AjaxStateManager.class.getName()
-			+ ".AJAX_VIEW_SEQUENCE";
-	public static final String VIEW_SEQUENCE = AjaxStateManager.class.getName()
-	+ ".VIEW_SEQUENCE";
-
-	private final StateManager parent;
-
-	private StateManager seamStateManager;
-
-	private final ComponentsLoader componentLoader;
-
-	private static final Log _log = LogFactory.getLog(AjaxStateManager.class);
-
-	public static final String VIEW_SEQUENCE_ATTRIBUTE = AjaxStateManager.class
-			.getName()
-			+ ".view_sequence";
-
-	/**
-	 * @param parent
-	 */
-	public AjaxStateManager(StateManager parent) {
-		super();
-		this.parent = parent;
-		componentLoader = new ComponentsLoaderImpl();
-		// HACK - Seam perform significant operations before save tree state.
-		// Try to create it instance by reflection,
-		// to call in real state saving operations.
-		ClassLoader classLoader = Thread.currentThread()
-				.getContextClassLoader();
-		if (null == classLoader) {
-			classLoader = AjaxStateManager.class.getClassLoader();
-		}
-		try {
-			Class<? extends StateManager> seamStateManagerClass = classLoader
-					.loadClass("org.jboss.seam.jsf.SeamStateManager")
-					.asSubclass(StateManager.class);
-			Constructor<? extends StateManager> constructor = seamStateManagerClass
-					.getConstructor(STATE_MANAGER_ARGUMENTS);
-			seamStateManager = constructor
-					.newInstance(new Object[] { new SeamStateManagerWrapper() });
-			if (_log.isDebugEnabled()) {
-				_log.debug("Create instance of the SeamStateManager");
-			}
-		} catch (Exception e) {
-			seamStateManager = null;
-			if (_log.isDebugEnabled()) {
-				_log.debug("SeamStateManager is not present");
-			}
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
javax.faces.application.StateManager#getComponentStateToSave(javax.faces.context.FacesContext)
-	 */
-	protected Object getComponentStateToSave(FacesContext context) {
-		Object treeState = context.getViewRoot().processSaveState(context);
-		Object state[] = { treeState, getAdditionalState(context) };
-		return state;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
javax.faces.application.StateManager#getTreeStructureToSave(javax.faces.context.FacesContext)
-	 */
-	protected Object getTreeStructureToSave(FacesContext context) {
-		TreeStructureNode treeStructure = new TreeStructureNode();
-		treeStructure.apply(context, context.getViewRoot(),
-				new HashSet<String>());
-		return treeStructure;
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
javax.faces.application.StateManager#restoreComponentState(javax.faces.context.FacesContext,
-	 *      javax.faces.component.UIViewRoot, java.lang.String)
-	 */
-	protected void restoreComponentState(FacesContext context,
-			UIViewRoot viewRoot, String renderKitId) {
-		throw new UnsupportedOperationException();
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
javax.faces.application.StateManager#restoreTreeStructure(javax.faces.context.FacesContext,
-	 *      java.lang.String, java.lang.String)
-	 */
-	protected UIViewRoot restoreTreeStructure(FacesContext context,
-			String viewId, String renderKitId) {
-		throw new UnsupportedOperationException();
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
javax.faces.application.StateManager#writeState(javax.faces.context.FacesContext,
-	 *      javax.faces.application.StateManager.SerializedView)
-	 */
-	public void writeState(FacesContext context, Object state)
-			throws IOException {
-		RenderKit renderKit = getRenderKit(context);
-		ResponseStateManager responseStateManager = renderKit
-				.getResponseStateManager();
-		Object[] stateArray = getStateArray( state );
-		if(null == stateArray[0] && null == stateArray[1]){
-			// Myfaces https://issues.apache.org/jira/browse/MYFACES-1753 hack.
-			stateArray=new Object[]{getLogicalViewId(context),null};
-		}
-			writeState(context, responseStateManager, stateArray);
-		if (_log.isDebugEnabled()) {
-			_log.debug("Write view state to the response");
-		}
-	}
-
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
javax.faces.application.StateManager#writeState(javax.faces.context.FacesContext,
-	 *      javax.faces.application.StateManager.SerializedView)
-	 */
-	@SuppressWarnings("deprecation")
-	public void writeState(FacesContext context, SerializedView state)
-			throws IOException {
-		RenderKit renderKit = getRenderKit(context);
-		ResponseStateManager responseStateManager = renderKit
-				.getResponseStateManager();
-		Object[] stateArray;
-		if(null == state.getState() && null == state.getStructure()){
-			// MyFaces https://issues.apache.org/jira/browse/MYFACES-1753 hack
-			stateArray = new Object[]{getLogicalViewId(context),null};
-		} else {
-			stateArray = new Object[] {
-				state.getStructure(),state.getState() };
-		}
-			writeState(context, responseStateManager, stateArray);
-		if (_log.isDebugEnabled()) {
-			_log.debug("Write view state to the response");
-		}
-	}
-
-	/**
-	 * @param context
-	 * @param state
-	 * @param responseStateManager
-	 * @throws IOException
-	 * @throws FacesException
-	 */
-	private Object[] getStateArray(Object state) throws IOException,
-			FacesException {
-		if (null != state && state.getClass().isArray()
-				&& state.getClass().getComponentType().equals(Object.class)) {
-			Object stateArray[] = (Object[]) state;
-			if (2 == stateArray.length) {
-				return stateArray;
-			} else {
-				throw new FacesException("Unexpected length of the state object array
"+stateArray.length);
-			}
-		}  else {
-			throw new FacesException("Unexpected type of the state
"+state.getClass().getName());
-		}
-	}
-
-	private void writeState(FacesContext context,
-			ResponseStateManager responseStateManager, Object[] stateArray)
-			throws IOException {
-		// Capture writed state into string.
-		ResponseWriter originalWriter = context.getResponseWriter();
-		StringWriter buff = new StringWriter(128);
-		try {
-			ResponseWriter stateResponseWriter = originalWriter
-					.cloneWithWriter(buff);
-			context.setResponseWriter(stateResponseWriter);
-			responseStateManager.writeState(context, stateArray);
-			stateResponseWriter.flush();
-			String stateString = buff.toString();
-			originalWriter.write(stateString);
-			String stateValue = getStateValue(stateString);
-			context.getExternalContext().getRequestMap().put(CAPTURED_VIEW_STATE, stateValue);
-			if (null != stateValue) {
-			} else {
-			}
-		} finally {
-			context.setResponseWriter(originalWriter);
-		}
-	}
-
-    static final            Pattern PATTERN =
Pattern.compile(".*<input.*(?:\\svalue=[\"\'](\\S*)[\"\']\\s).*name=[\"']"+ResponseStateManager.VIEW_STATE_PARAM+"[\"'].*>");
-    static final            Pattern PATTERN2 = Pattern.compile(".*<input
.*name=[\"']"+ResponseStateManager.VIEW_STATE_PARAM+"[\"'].*(?:\\svalue=[\"\'](\\S*)[\"\']\\s).*>");
-
-
-	/**
-     * Parse content of the writed viewState hidden input field for a state value.
-     * @param input
-     * @return
-     */
-    private String getStateValue(String input) {
-        Matcher matcher = PATTERN.matcher(input);
-        if(!matcher.matches()){
-                matcher = PATTERN2.matcher(input);
-                if(!matcher.matches()){
-                        return null;
-                }
-        }
-        return matcher.group(1);
-}
-
-    private static final Map<String,Class<?>> PRIMITIVE_CLASSES =
-          new HashMap<String,Class<?>>(9, 1.0F);
-
-    static {
-        PRIMITIVE_CLASSES.put("boolean", boolean.class);
-        PRIMITIVE_CLASSES.put("byte", byte.class);
-        PRIMITIVE_CLASSES.put("char", char.class);
-        PRIMITIVE_CLASSES.put("short", short.class);
-        PRIMITIVE_CLASSES.put("int", int.class);
-        PRIMITIVE_CLASSES.put("long", long.class);
-        PRIMITIVE_CLASSES.put("float", float.class);
-        PRIMITIVE_CLASSES.put("double", double.class);
-        PRIMITIVE_CLASSES.put("void", void.class);
-    }
-    
-    private static final Object handleRestoreState(FacesContext context, Object state) {
-		if (ContextInitParameters.isSerializeServerState(context)) {
-			ObjectInputStream ois = null;
-	        try {
-	        	ois = new ObjectInputStream(new ByteArrayInputStream((byte[]) state)) {
-	        		@Override
-	        		protected Class<?> resolveClass(ObjectStreamClass desc)
-	        				throws IOException, ClassNotFoundException {
-	        	        String name = desc.getName();
-						try {
-		        			return Class.forName(name, true, 
-		        	                Thread.currentThread().getContextClassLoader());
-	        	        } catch (ClassNotFoundException cnfe) {
-	        	        	Class<?> clazz = PRIMITIVE_CLASSES.get(name);
-	        	        	if (clazz != null) {
-	        	        		return clazz;
-	        	        	} else {
-	        	        		throw cnfe;
-	        	        	}
-	        	        }
-	        		}
-	        	};
-	        	return ois.readObject();
-	        } catch (Exception e) {
-	            throw new FacesException(e);
-	        } finally {
-	            if (ois != null) {
-	                try {
-	                    ois.close();
-	                } catch (IOException ignored) { }
-	            }
-	        }
-		} else {
-			return state;
-		}
-	}
-
-	private static final Object handleSaveState(FacesContext context, Object state) {
-		if (ContextInitParameters.isSerializeServerState(context)) {
-			ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
-			ObjectOutputStream oas = null;
-			try {
-				oas = new ObjectOutputStream(baos);
-				oas.writeObject(state);
-				oas.flush();
-			} catch (Exception e) {
-				throw new FacesException(e);
-			} finally {
-				if (oas != null) {
-					try {
-						oas.close();
-					} catch (IOException ignored) { }
-				}
-			}
-			return baos.toByteArray();
-		} else {
-			return state;
-		}
-	}
-	
-	/*
-	 * (non-Javadoc)
-	 * 
-	 * @see
javax.faces.application.StateManager#restoreView(javax.faces.context.FacesContext,
-	 *      java.lang.String, java.lang.String)
-	 */
-	public UIViewRoot restoreView(FacesContext context, String viewId,
-			String renderKitId) {
-		UIViewRoot viewRoot = null;
-		ResponseStateManager responseStateManager = getRenderKit(context,
-				renderKitId).getResponseStateManager();
-		TreeStructureNode treeStructure = null;
-		Object[] state = null;
-		Object[] serializedView = null;
-		if (isSavingStateInClient(context)) {
-			serializedView = (Object[]) responseStateManager.getState(context,
-					viewId);
-
-			if (null != serializedView) {
-				treeStructure = (TreeStructureNode) serializedView[0];
-				state = (Object[]) serializedView[1];
-			}
-		} else {
-			serializedView = restoreStateFromSession(context, viewId,
-					renderKitId);
-
-			if (null != serializedView) {
-				treeStructure = (TreeStructureNode) serializedView[0];
-				state = (Object[]) handleRestoreState(context, serializedView[1]);
-			}
-		}
-
-		if (null != treeStructure) {
-			viewRoot = (UIViewRoot) treeStructure.restore(componentLoader);
-			if (null != viewRoot && null != state) {
-				viewRoot.processRestoreState(context, state[0]);
-				restoreAdditionalState(context, state[1]);
-			}
-		}
-		return viewRoot;
-
-	}
-
-	@SuppressWarnings("deprecation")
-	public SerializedView saveSerializedView(FacesContext context) {
-		Object[] stateViewArray;
-		if (null == seamStateManager) {
-			stateViewArray = buildViewState(context);
-		} else {
-			// Delegate save method to seam State Manager.
-			stateViewArray=(Object[]) seamStateManager.saveView(context);
-		}
-		return new SerializedView(stateViewArray[0],stateViewArray[1]);
-	}
-
-	@Override
-	public Object saveView(FacesContext context) {
-		if (null == seamStateManager) {
-			return buildViewState(context);
-		} else {
-			// Delegate save method to seam State Manager.
-			return seamStateManager.saveView(context);
-		}
-	}
-	/**
-	 * @param context
-	 * @return
-	 * @see
javax.faces.application.StateManager#isSavingStateInClient(javax.faces.context.FacesContext)
-	 */
-	public boolean isSavingStateInClient(FacesContext context) {
-		return parent.isSavingStateInClient(context);
-	}
-
-	protected Object[] restoreStateFromSession(FacesContext context,
-			String viewId, String renderKitId) {
-		String id = restoreLogicalViewId(context, viewId, renderKitId);
-		StateHolder stateHolder = getStateHolder(context);
-		Object[] restoredState = stateHolder.getState(context, viewId, id);
-		
-		if (restoredState != null && id != null) {
-			context.getExternalContext().getRequestMap().put(AJAX_VIEW_SEQUENCE, id);
-		}
-		
-		return restoredState;
-	}
-
-	/**
-	 * @param context
-	 * @return
-	 */
-	protected Object[] buildViewState(FacesContext context) {
-		Object[] viewStateArray = null;
-		UIViewRoot viewRoot = context.getViewRoot();
-		if (null != viewRoot && !viewRoot.isTransient()) {
-			TreeStructureNode treeStructure = (TreeStructureNode)
getTreeStructureToSave(context);
-			Object state = getComponentStateToSave(context);
-			if (isSavingStateInClient(context)) {
-				viewStateArray = new Object[]{treeStructure, state};
-			} else {
-				viewStateArray = saveStateInSession(context, treeStructure,
-						handleSaveState(context, state));
-			}
-
-		}
-		return viewStateArray;
-	}
-
-	/**
-	 * @param context
-	 * @param treeStructure
-	 * @param state
-	 * @return
-	 */
-	protected Object[] saveStateInSession(FacesContext context,
-			Object treeStructure, Object state) {
-		Object[] serializedView;
-		UIViewRoot viewRoot = context.getViewRoot();
-		StateHolder stateHolder = getStateHolder(context);
-		String id = getLogicalViewId(context);
-		stateHolder.saveState(context, viewRoot.getViewId(), id, new Object[] {
-				treeStructure, state });
-		serializedView = new Object[]{id, null};
-		return serializedView;
-	}
-
-	/**
-	 * @param context
-	 * @return
-	 */
-	protected StateHolder getStateHolder(FacesContext context) {
-		return AjaxStateHolder.getInstance(context);
-	}
-
-	protected Object getAdditionalState(FacesContext context) {
-		Map<String, Object> keepAliveBeans = new HashMap<String, Object>();
-		Map<String, Object> requestMap = context.getExternalContext()
-				.getRequestMap();
-		// Save all objects form request map wich marked by @KeepAlive
-		// annotations
-		for (Entry<String, Object> requestEntry : requestMap.entrySet()) {
-			Object bean = requestEntry.getValue();
-			// check value for a NULL -
-			// http://jira.jboss.com/jira/browse/RF-3576
-			if (null != bean
-					&& bean.getClass().isAnnotationPresent(KeepAlive.class)) {
-				keepAliveBeans.put(requestEntry.getKey(), bean);
-			}
-		}
-		if (keepAliveBeans.size() > 0) {
-			return UIComponentBase.saveAttachedState(context, keepAliveBeans);
-		} else {
-			return null;
-		}
-	}
-
-	@SuppressWarnings("unchecked")
-	protected void restoreAdditionalState(FacesContext context, Object state) {
-		if (null != state) {
-			boolean isAjax = AjaxContext.getCurrentInstance(context).isAjaxRequest();
-			
-			// Append all saved beans to the request map.
-			Map beansMap = (Map) UIComponentBase.restoreAttachedState(context,
-					state);
-			Map<String, Object> requestMap = context.getExternalContext()
-					.getRequestMap();
-			for (Object key : beansMap.keySet()) {
-				Object bean = beansMap.get(key);
-				if (bean != null) {
-					KeepAlive annotation = bean.getClass().getAnnotation(KeepAlive.class);
-					if (annotation != null) {
-						if (!isAjax && annotation.ajaxOnly()) {
-
-							//skip ajax-only beans for non-ajax requests
-							continue;
-						}
-					}
-				}
-
-				requestMap.put((String) key, bean);
-			}
-		}
-	}
-
-	/**
-	 * Restore logical view id from request.
-	 * 
-	 * @param context
-	 * @param viewId
-	 * @param renderKitId
-	 * @return
-	 */
-	@SuppressWarnings("deprecation")
-	protected String restoreLogicalViewId(FacesContext context, String viewId,
-			String renderKitId) {
-		String id = (String) getRenderKit(context, renderKitId)
-				.getResponseStateManager().getTreeStructureToRestore(context,
-						viewId);
-		return id;
-	}
-
-	/**
-	 * Return logical Id for current request view state. For a faces requests,
-	 * generate sequence numbers. For a ajax request, attempt to re-use id from
-	 * request submit.
-	 * 
-	 * @param context
-	 * @return
-	 */
-	protected String getLogicalViewId(FacesContext context) {
-		AjaxContext ajaxContext = AjaxContext.getCurrentInstance(context);
-		ExternalContext externalContext = context.getExternalContext();
-		Object id=null;
-		Map<String, Object> requestMap = externalContext.getRequestMap();
-		id = requestMap.get(ajaxContext.isAjaxRequest()?AJAX_VIEW_SEQUENCE:VIEW_SEQUENCE);
-		if (null != id) {
-			return id.toString();
-		}
-		// Store sequence in session, to avoyd claster configuration problem
-		// see https://javaserverfaces.dev.java.net/issues/show_bug.cgi?id=662
-		Object session = externalContext.getSession(true);
-		int viewSequence;
-		synchronized (session) {
-			Map<String, Object> sessionMap = externalContext.getSessionMap();
-			Integer sequence = (Integer) sessionMap
-					.get(VIEW_SEQUENCE_ATTRIBUTE);
-			if (null != sequence) {
-				viewSequence = sequence.intValue();
-			} else {
-				viewSequence = 0;
-			}
-			if (viewSequence++ == Character.MAX_VALUE) {
-				viewSequence = 0;
-			}
-			sessionMap.put(VIEW_SEQUENCE_ATTRIBUTE, new Integer(viewSequence));
-		}
-		String logicalViewId = UIViewRoot.UNIQUE_ID_PREFIX + ((int) viewSequence);
-		// Store new viewId in the request parameters, to avoid re-increments in the same
request.
-		requestMap.put(VIEW_SEQUENCE,logicalViewId);
-		return logicalViewId;
-	}
-
-	protected RenderKit getRenderKit(FacesContext context) {
-		String renderKitId = null;
-		UIViewRoot viewRoot = context.getViewRoot();
-		if (null != viewRoot) {
-			renderKitId = viewRoot.getRenderKitId();
-		}
-		if (null == renderKitId) {
-			renderKitId = context.getApplication().getViewHandler()
-					.calculateRenderKitId(context);
-		}
-		return getRenderKit(context, renderKitId);
-	}
-
-	protected RenderKit getRenderKit(FacesContext context, String renderKitId) {
-		RenderKit renderKit = context.getRenderKit();
-		if (null == renderKit) {
-			RenderKitFactory factory = (RenderKitFactory) FactoryFinder
-					.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
-			renderKit = factory.getRenderKit(context, renderKitId);
-		}
-		return renderKit;
-	}
-
-}
+/**
+ * License Agreement.
+ *
+ * Rich Faces - Natural Ajax for Java Server Faces (JSF)
+ *
+ * Copyright (C) 2007 Exadel, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ */
+
+package org.ajax4jsf.application;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.ObjectStreamClass;
+import java.io.OutputStream;
+import java.io.StringWriter;
+import java.lang.reflect.Constructor;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
+
+import javax.faces.FacesException;
+import javax.faces.FactoryFinder;
+import javax.faces.application.StateManager;
+import javax.faces.component.UIComponentBase;
+import javax.faces.component.UIViewRoot;
+import javax.faces.context.ExternalContext;
+import javax.faces.context.FacesContext;
+import javax.faces.context.ResponseWriter;
+import javax.faces.render.RenderKit;
+import javax.faces.render.RenderKitFactory;
+import javax.faces.render.ResponseStateManager;
+
+import org.ajax4jsf.context.AjaxContext;
+import org.ajax4jsf.context.ContextInitParameters;
+import org.ajax4jsf.model.KeepAlive;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * @author shura
+ * 
+ */
+public class AjaxStateManager extends StateManager {
+
+
+	public static final String CAPTURED_VIEW_STATE =
"org.ajax4jsf.captured_view_state";
+
+	private final class SeamStateManagerWrapper extends StateManager {
+		protected Object getComponentStateToSave(FacesContext arg0) {
+			// do nothing
+			return null;
+		}
+
+		protected Object getTreeStructureToSave(FacesContext arg0) {
+			// do nothing
+			return null;
+		}
+
+		protected void restoreComponentState(FacesContext arg0,
+				UIViewRoot arg1, String arg2) {
+			// do nothing
+
+		}
+
+		protected UIViewRoot restoreTreeStructure(FacesContext arg0,
+				String arg1, String arg2) {
+			// do nothing
+			return null;
+		}
+
+		public UIViewRoot restoreView(FacesContext arg0, String arg1,
+				String arg2) {
+			// do nothing
+			return null;
+		}
+
+		@SuppressWarnings("deprecation")
+		public SerializedView saveSerializedView(FacesContext context) {
+			// delegate to enclosed class method.
+			Object[] viewState = buildViewState(context);
+			return new SerializedView(viewState[0],viewState[1]);
+		}
+
+		@Override
+		public Object saveView(FacesContext context) {
+			// TODO Auto-generated method stub
+			return buildViewState(context);
+		}
+		@SuppressWarnings("deprecation")
+		public void writeState(FacesContext arg0, SerializedView arg1)
+		throws IOException {
+			// do nothing
+		}
+	}
+
+	private static final Class<StateManager> STATE_MANAGER_ARGUMENTS =
StateManager.class;
+
+	public static final int DEFAULT_NUMBER_OF_VIEWS = 16;
+
+	public static final String AJAX_VIEW_SEQUENCE = AjaxStateManager.class.getName()
+	+ ".AJAX_VIEW_SEQUENCE";
+	public static final String VIEW_SEQUENCE = AjaxStateManager.class.getName()
+	+ ".VIEW_SEQUENCE";
+
+	private final StateManager parent;
+
+	private StateManager seamStateManager;
+
+	private final ComponentsLoader componentLoader;
+
+	private static final Log _log = LogFactory.getLog(AjaxStateManager.class);
+
+	public static final String VIEW_SEQUENCE_ATTRIBUTE = AjaxStateManager.class
+	.getName()
+	+ ".view_sequence";
+
+	private static final int UNCOMPRESSED_FLAG = 0;
+	private static final int COMPRESSED_FLAG = 1;
+
+	/**
+	 * @param parent
+	 */
+	public AjaxStateManager(StateManager parent) {
+		super();
+		this.parent = parent;
+		componentLoader = new ComponentsLoaderImpl();
+		// HACK - Seam perform significant operations before save tree state.
+		// Try to create it instance by reflection,
+		// to call in real state saving operations.
+		ClassLoader classLoader = Thread.currentThread()
+		.getContextClassLoader();
+		if (null == classLoader) {
+			classLoader = AjaxStateManager.class.getClassLoader();
+		}
+		try {
+			Class<? extends StateManager> seamStateManagerClass = classLoader
+			.loadClass("org.jboss.seam.jsf.SeamStateManager")
+			.asSubclass(StateManager.class);
+			Constructor<? extends StateManager> constructor = seamStateManagerClass
+			.getConstructor(STATE_MANAGER_ARGUMENTS);
+			seamStateManager = constructor
+			.newInstance(new Object[] { new SeamStateManagerWrapper() });
+			if (_log.isDebugEnabled()) {
+				_log.debug("Create instance of the SeamStateManager");
+			}
+		} catch (Exception e) {
+			seamStateManager = null;
+			if (_log.isDebugEnabled()) {
+				_log.debug("SeamStateManager is not present");
+			}
+		}
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
javax.faces.application.StateManager#getComponentStateToSave(javax.faces.context.FacesContext)
+	 */
+	protected Object getComponentStateToSave(FacesContext context) {
+		Object treeState = context.getViewRoot().processSaveState(context);
+		Object state[] = { treeState, getAdditionalState(context) };
+		return state;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
javax.faces.application.StateManager#getTreeStructureToSave(javax.faces.context.FacesContext)
+	 */
+	protected Object getTreeStructureToSave(FacesContext context) {
+		TreeStructureNode treeStructure = new TreeStructureNode();
+		treeStructure.apply(context, context.getViewRoot(),
+				new HashSet<String>());
+		return treeStructure;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
javax.faces.application.StateManager#restoreComponentState(javax.faces.context.FacesContext,
+	 *      javax.faces.component.UIViewRoot, java.lang.String)
+	 */
+	protected void restoreComponentState(FacesContext context,
+			UIViewRoot viewRoot, String renderKitId) {
+		throw new UnsupportedOperationException();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
javax.faces.application.StateManager#restoreTreeStructure(javax.faces.context.FacesContext,
+	 *      java.lang.String, java.lang.String)
+	 */
+	protected UIViewRoot restoreTreeStructure(FacesContext context,
+			String viewId, String renderKitId) {
+		throw new UnsupportedOperationException();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
javax.faces.application.StateManager#writeState(javax.faces.context.FacesContext,
+	 *      javax.faces.application.StateManager.SerializedView)
+	 */
+	public void writeState(FacesContext context, Object state)
+	throws IOException {
+		RenderKit renderKit = getRenderKit(context);
+		ResponseStateManager responseStateManager = renderKit
+		.getResponseStateManager();
+		Object[] stateArray = getStateArray( state );
+		if(null == stateArray[0] && null == stateArray[1]){
+			// Myfaces https://issues.apache.org/jira/browse/MYFACES-1753 hack.
+			stateArray=new Object[]{getLogicalViewId(context),null};
+		}
+		writeState(context, responseStateManager, stateArray);
+		if (_log.isDebugEnabled()) {
+			_log.debug("Write view state to the response");
+		}
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
javax.faces.application.StateManager#writeState(javax.faces.context.FacesContext,
+	 *      javax.faces.application.StateManager.SerializedView)
+	 */
+	@SuppressWarnings("deprecation")
+	public void writeState(FacesContext context, SerializedView state)
+	throws IOException {
+		RenderKit renderKit = getRenderKit(context);
+		ResponseStateManager responseStateManager = renderKit
+		.getResponseStateManager();
+		Object[] stateArray;
+		if(null == state.getState() && null == state.getStructure()){
+			// MyFaces https://issues.apache.org/jira/browse/MYFACES-1753 hack
+			stateArray = new Object[]{getLogicalViewId(context),null};
+		} else {
+			stateArray = new Object[] {
+					state.getStructure(),state.getState() };
+		}
+		writeState(context, responseStateManager, stateArray);
+		if (_log.isDebugEnabled()) {
+			_log.debug("Write view state to the response");
+		}
+	}
+
+	/**
+	 * @param context
+	 * @param state
+	 * @param responseStateManager
+	 * @throws IOException
+	 * @throws FacesException
+	 */
+	private Object[] getStateArray(Object state) throws IOException,
+	FacesException {
+		if (null != state && state.getClass().isArray()
+				&& state.getClass().getComponentType().equals(Object.class)) {
+			Object stateArray[] = (Object[]) state;
+			if (2 == stateArray.length) {
+				return stateArray;
+			} else {
+				throw new FacesException("Unexpected length of the state object array
"+stateArray.length);
+			}
+		}  else {
+			throw new FacesException("Unexpected type of the state
"+state.getClass().getName());
+		}
+	}
+
+	private void writeState(FacesContext context,
+			ResponseStateManager responseStateManager, Object[] stateArray)
+	throws IOException {
+		// Capture writed state into string.
+		ResponseWriter originalWriter = context.getResponseWriter();
+		StringWriter buff = new StringWriter(128);
+		try {
+			ResponseWriter stateResponseWriter = originalWriter
+			.cloneWithWriter(buff);
+			context.setResponseWriter(stateResponseWriter);
+			responseStateManager.writeState(context, stateArray);
+			stateResponseWriter.flush();
+			String stateString = buff.toString();
+			originalWriter.write(stateString);
+			String stateValue = getStateValue(stateString);
+			context.getExternalContext().getRequestMap().put(CAPTURED_VIEW_STATE, stateValue);
+			if (null != stateValue) {
+			} else {
+			}
+		} finally {
+			context.setResponseWriter(originalWriter);
+		}
+	}
+
+	static final            Pattern PATTERN =
Pattern.compile(".*<input.*(?:\\svalue=[\"\'](\\S*)[\"\']\\s).*name=[\"']"+ResponseStateManager.VIEW_STATE_PARAM+"[\"'].*>");
+	static final            Pattern PATTERN2 = Pattern.compile(".*<input
.*name=[\"']"+ResponseStateManager.VIEW_STATE_PARAM+"[\"'].*(?:\\svalue=[\"\'](\\S*)[\"\']\\s).*>");
+
+
+	/**
+	 * Parse content of the writed viewState hidden input field for a state value.
+	 * @param input
+	 * @return
+	 */
+	private String getStateValue(String input) {
+		Matcher matcher = PATTERN.matcher(input);
+		if(!matcher.matches()){
+			matcher = PATTERN2.matcher(input);
+			if(!matcher.matches()){
+				return null;
+			}
+		}
+		return matcher.group(1);
+	}
+
+	private static final Map<String,Class<?>> PRIMITIVE_CLASSES =
+		new HashMap<String,Class<?>>(9, 1.0F);
+
+	static {
+		PRIMITIVE_CLASSES.put("boolean", boolean.class);
+		PRIMITIVE_CLASSES.put("byte", byte.class);
+		PRIMITIVE_CLASSES.put("char", char.class);
+		PRIMITIVE_CLASSES.put("short", short.class);
+		PRIMITIVE_CLASSES.put("int", int.class);
+		PRIMITIVE_CLASSES.put("long", long.class);
+		PRIMITIVE_CLASSES.put("float", float.class);
+		PRIMITIVE_CLASSES.put("double", double.class);
+		PRIMITIVE_CLASSES.put("void", void.class);
+	}
+
+	private static final Object handleRestoreState(FacesContext context, Object state) {
+		if (ContextInitParameters.isSerializeServerState(context)) {
+			ObjectInputStream ois = null;
+			try {
+				ByteArrayInputStream bais = new ByteArrayInputStream((byte[]) state);
+				InputStream is = bais;
+				
+				int compressionFlag = is.read();
+				if(compressionFlag == COMPRESSED_FLAG) {    
+					is = new GZIPInputStream(is);
+				}
+				
+				ois = new ObjectInputStream(is) {
+					@Override
+					protected Class<?> resolveClass(ObjectStreamClass desc)
+					throws IOException, ClassNotFoundException {
+						String name = desc.getName();
+						try {
+							return Class.forName(name, true, 
+									Thread.currentThread().getContextClassLoader());
+						} catch (ClassNotFoundException cnfe) {
+							Class<?> clazz = PRIMITIVE_CLASSES.get(name);
+							if (clazz != null) {
+								return clazz;
+							} else {
+								throw cnfe;
+							}
+						}
+					}
+				};
+				return ois.readObject();
+			} catch (Exception e) {
+				throw new FacesException(e);
+			} finally {
+				if (ois != null) {
+					try {
+						ois.close();
+					} catch (IOException ignored) { }
+				}
+			}
+		} else {
+			return state;
+		}
+	}
+
+	private static final Object handleSaveState(FacesContext context, Object state) {
+		if (ContextInitParameters.isSerializeServerState(context)) {
+			ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
+			ObjectOutputStream oas = null;
+			try {
+				OutputStream os = baos;
+				if (ContextInitParameters.isCompressServerState(context)) {
+					os.write(COMPRESSED_FLAG);
+					os = new GZIPOutputStream(os, 1024);
+				} else {
+					os.write(UNCOMPRESSED_FLAG);
+				}
+
+				oas = new ObjectOutputStream(os);
+				oas.writeObject(state);
+				oas.flush();
+			} catch (Exception e) {
+				throw new FacesException(e);
+			} finally {
+				if (oas != null) {
+					try {
+						oas.close();
+					} catch (IOException ignored) { }
+				}
+			}
+			return baos.toByteArray();
+		} else {
+			return state;
+		}
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
javax.faces.application.StateManager#restoreView(javax.faces.context.FacesContext,
+	 *      java.lang.String, java.lang.String)
+	 */
+	public UIViewRoot restoreView(FacesContext context, String viewId,
+			String renderKitId) {
+		UIViewRoot viewRoot = null;
+		ResponseStateManager responseStateManager = getRenderKit(context,
+				renderKitId).getResponseStateManager();
+		TreeStructureNode treeStructure = null;
+		Object[] state = null;
+		Object[] serializedView = null;
+		if (isSavingStateInClient(context)) {
+			serializedView = (Object[]) responseStateManager.getState(context,
+					viewId);
+
+			if (null != serializedView) {
+				treeStructure = (TreeStructureNode) serializedView[0];
+				state = (Object[]) serializedView[1];
+			}
+		} else {
+			serializedView = restoreStateFromSession(context, viewId,
+					renderKitId);
+
+			if (null != serializedView) {
+				treeStructure = (TreeStructureNode) serializedView[0];
+				state = (Object[]) handleRestoreState(context, serializedView[1]);
+			}
+		}
+
+		if (null != treeStructure) {
+			viewRoot = (UIViewRoot) treeStructure.restore(componentLoader);
+			if (null != viewRoot && null != state) {
+				viewRoot.processRestoreState(context, state[0]);
+				restoreAdditionalState(context, state[1]);
+			}
+		}
+		return viewRoot;
+
+	}
+
+	@SuppressWarnings("deprecation")
+	public SerializedView saveSerializedView(FacesContext context) {
+		Object[] stateViewArray;
+		if (null == seamStateManager) {
+			stateViewArray = buildViewState(context);
+		} else {
+			// Delegate save method to seam State Manager.
+			stateViewArray=(Object[]) seamStateManager.saveView(context);
+		}
+		return new SerializedView(stateViewArray[0],stateViewArray[1]);
+	}
+
+	@Override
+	public Object saveView(FacesContext context) {
+		if (null == seamStateManager) {
+			return buildViewState(context);
+		} else {
+			// Delegate save method to seam State Manager.
+			return seamStateManager.saveView(context);
+		}
+	}
+	/**
+	 * @param context
+	 * @return
+	 * @see
javax.faces.application.StateManager#isSavingStateInClient(javax.faces.context.FacesContext)
+	 */
+	public boolean isSavingStateInClient(FacesContext context) {
+		return parent.isSavingStateInClient(context);
+	}
+
+	protected Object[] restoreStateFromSession(FacesContext context,
+			String viewId, String renderKitId) {
+		String id = restoreLogicalViewId(context, viewId, renderKitId);
+		StateHolder stateHolder = getStateHolder(context);
+		Object[] restoredState = stateHolder.getState(context, viewId, id);
+
+		if (restoredState != null && id != null) {
+			context.getExternalContext().getRequestMap().put(AJAX_VIEW_SEQUENCE, id);
+		}
+
+		return restoredState;
+	}
+
+	/**
+	 * @param context
+	 * @return
+	 */
+	protected Object[] buildViewState(FacesContext context) {
+		Object[] viewStateArray = null;
+		UIViewRoot viewRoot = context.getViewRoot();
+		if (null != viewRoot && !viewRoot.isTransient()) {
+			TreeStructureNode treeStructure = (TreeStructureNode)
getTreeStructureToSave(context);
+			Object state = getComponentStateToSave(context);
+			if (isSavingStateInClient(context)) {
+				viewStateArray = new Object[]{treeStructure, state};
+			} else {
+				viewStateArray = saveStateInSession(context, treeStructure,
+						handleSaveState(context, state));
+			}
+
+		}
+		return viewStateArray;
+	}
+
+	/**
+	 * @param context
+	 * @param treeStructure
+	 * @param state
+	 * @return
+	 */
+	protected Object[] saveStateInSession(FacesContext context,
+			Object treeStructure, Object state) {
+		Object[] serializedView;
+		UIViewRoot viewRoot = context.getViewRoot();
+		StateHolder stateHolder = getStateHolder(context);
+		String id = getLogicalViewId(context);
+		stateHolder.saveState(context, viewRoot.getViewId(), id, new Object[] {
+			treeStructure, state });
+		serializedView = new Object[]{id, null};
+		return serializedView;
+	}
+
+	/**
+	 * @param context
+	 * @return
+	 */
+	protected StateHolder getStateHolder(FacesContext context) {
+		return AjaxStateHolder.getInstance(context);
+	}
+
+	protected Object getAdditionalState(FacesContext context) {
+		Map<String, Object> keepAliveBeans = new HashMap<String, Object>();
+		Map<String, Object> requestMap = context.getExternalContext()
+		.getRequestMap();
+		// Save all objects form request map wich marked by @KeepAlive
+		// annotations
+		for (Entry<String, Object> requestEntry : requestMap.entrySet()) {
+			Object bean = requestEntry.getValue();
+			// check value for a NULL -
+			// http://jira.jboss.com/jira/browse/RF-3576
+			if (null != bean
+					&& bean.getClass().isAnnotationPresent(KeepAlive.class)) {
+				keepAliveBeans.put(requestEntry.getKey(), bean);
+			}
+		}
+		if (keepAliveBeans.size() > 0) {
+			return UIComponentBase.saveAttachedState(context, keepAliveBeans);
+		} else {
+			return null;
+		}
+	}
+
+	@SuppressWarnings("unchecked")
+	protected void restoreAdditionalState(FacesContext context, Object state) {
+		if (null != state) {
+			boolean isAjax = AjaxContext.getCurrentInstance(context).isAjaxRequest();
+
+			// Append all saved beans to the request map.
+			Map beansMap = (Map) UIComponentBase.restoreAttachedState(context,
+					state);
+			Map<String, Object> requestMap = context.getExternalContext()
+			.getRequestMap();
+			for (Object key : beansMap.keySet()) {
+				Object bean = beansMap.get(key);
+				if (bean != null) {
+					KeepAlive annotation = bean.getClass().getAnnotation(KeepAlive.class);
+					if (annotation != null) {
+						if (!isAjax && annotation.ajaxOnly()) {
+
+							//skip ajax-only beans for non-ajax requests
+							continue;
+						}
+					}
+				}
+
+				requestMap.put((String) key, bean);
+			}
+		}
+	}
+
+	/**
+	 * Restore logical view id from request.
+	 * 
+	 * @param context
+	 * @param viewId
+	 * @param renderKitId
+	 * @return
+	 */
+	@SuppressWarnings("deprecation")
+	protected String restoreLogicalViewId(FacesContext context, String viewId,
+			String renderKitId) {
+		String id = (String) getRenderKit(context, renderKitId)
+		.getResponseStateManager().getTreeStructureToRestore(context,
+				viewId);
+		return id;
+	}
+
+	/**
+	 * Return logical Id for current request view state. For a faces requests,
+	 * generate sequence numbers. For a ajax request, attempt to re-use id from
+	 * request submit.
+	 * 
+	 * @param context
+	 * @return
+	 */
+	protected String getLogicalViewId(FacesContext context) {
+		AjaxContext ajaxContext = AjaxContext.getCurrentInstance(context);
+		ExternalContext externalContext = context.getExternalContext();
+		Object id=null;
+		Map<String, Object> requestMap = externalContext.getRequestMap();
+		id = requestMap.get(ajaxContext.isAjaxRequest()?AJAX_VIEW_SEQUENCE:VIEW_SEQUENCE);
+		if (null != id) {
+			return id.toString();
+		}
+		// Store sequence in session, to avoyd claster configuration problem
+		// see https://javaserverfaces.dev.java.net/issues/show_bug.cgi?id=662
+		Object session = externalContext.getSession(true);
+		int viewSequence;
+		synchronized (session) {
+			Map<String, Object> sessionMap = externalContext.getSessionMap();
+			Integer sequence = (Integer) sessionMap
+			.get(VIEW_SEQUENCE_ATTRIBUTE);
+			if (null != sequence) {
+				viewSequence = sequence.intValue();
+			} else {
+				viewSequence = 0;
+			}
+			if (viewSequence++ == Character.MAX_VALUE) {
+				viewSequence = 0;
+			}
+			sessionMap.put(VIEW_SEQUENCE_ATTRIBUTE, new Integer(viewSequence));
+		}
+		String logicalViewId = UIViewRoot.UNIQUE_ID_PREFIX + ((int) viewSequence);
+		// Store new viewId in the request parameters, to avoid re-increments in the same
request.
+		requestMap.put(VIEW_SEQUENCE,logicalViewId);
+		return logicalViewId;
+	}
+
+	protected RenderKit getRenderKit(FacesContext context) {
+		String renderKitId = null;
+		UIViewRoot viewRoot = context.getViewRoot();
+		if (null != viewRoot) {
+			renderKitId = viewRoot.getRenderKitId();
+		}
+		if (null == renderKitId) {
+			renderKitId = context.getApplication().getViewHandler()
+			.calculateRenderKitId(context);
+		}
+		return getRenderKit(context, renderKitId);
+	}
+
+	protected RenderKit getRenderKit(FacesContext context, String renderKitId) {
+		RenderKit renderKit = context.getRenderKit();
+		if (null == renderKit) {
+			RenderKitFactory factory = (RenderKitFactory) FactoryFinder
+			.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
+			renderKit = factory.getRenderKit(context, renderKitId);
+		}
+		return renderKit;
+	}
+
+}

Modified:
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/context/ContextInitParameters.java
===================================================================
---
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/context/ContextInitParameters.java	2009-11-20
14:32:01 UTC (rev 15943)
+++
branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf/context/ContextInitParameters.java	2009-11-20
15:16:08 UTC (rev 15944)
@@ -51,7 +51,20 @@
 		"com.sun.faces.serializeServerState",
 		"org.apache.myfaces.SERIALIZE_STATE_IN_SESSION"
 	};
+
+	/**
+	 * @since 3.3.3
+	 */
+	public static final String[] COMPRESS_SERVER_STATE = new String[] {
+		"org.ajax4jsf.COMPRESS_SERVER_STATE", 
+
+		/* detect MyFaces vs. RI */
+		"com.sun.faces.compressViewState",
+		"org.apache.myfaces.COMPRESS_STATE_IN_SESSION",
+		"com.sun.faces.COMPRESS_STATE"
+	};
 	
+	
 	public static final String[] NUMBER_OF_VIEWS_IN_SESSION =
{"com.sun.faces.numberOfViewsInSession"};
 	public static final String[] NUMBER_OF_LOGICAL_VIEWS_IN_SESSION =
{"com.sun.faces.numberOfLogicalViews"};
 
@@ -66,6 +79,15 @@
 	public static final boolean isSerializeServerState(FacesContext context) {
 		return getBoolean(context, SERIALIZE_SERVER_STATE, false);
 	} 
+
+	/**
+	 * @since 3.3.3
+	 * @param context
+	 * @return
+	 */
+	public static final boolean isCompressServerState(FacesContext context) {
+		return getBoolean(context, COMPRESS_SERVER_STATE, true);
+	} 
 	
 	/**
 	 * Get number of views for store in session by {@link AjaxStateManager} 


    

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[richfaces-svn-commits] JBoss Rich Faces SVN: r15944 - in branches/community/3.3.X/framework/impl/src/main/java/org/ajax4jsf: context and 1 other directory.