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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
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package com.sun.faces.application.view;
import com.sun.faces.context.StateContext;
import com.sun.faces.renderkit.RenderKitUtils;
import com.sun.faces.util.ComponentStruct;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.util.MessageUtils;
import com.sun.faces.util.Util;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.FacesException;
import javax.faces.component.NamingContainer;
import javax.faces.component.UIComponent;
import javax.faces.component.UIForm;
import javax.faces.component.UIViewRoot;
import javax.faces.component.visit.VisitCallback;
import javax.faces.component.visit.VisitContext;
import javax.faces.component.visit.VisitHint;
import javax.faces.component.visit.VisitResult;
import javax.faces.context.FacesContext;
import javax.faces.render.ResponseStateManager;
import javax.faces.view.StateManagementStrategy;
import static com.sun.faces.RIConstants.DYNAMIC_ACTIONS;
import static com.sun.faces.RIConstants.DYNAMIC_COMPONENT;
import javax.faces.application.ProjectStage;
/**
* The state management strategy for PSS.
*
* @author Manfred Riem ([email protected])
*/
public class FaceletPartialStateManagementStrategy extends StateManagementStrategy {
/**
* Stores the logger.
*/
private static final Logger LOGGER = FacesLogger.APPLICATION_VIEW.getLogger();
/**
* Stores the skip hint.
*/
private static String SKIP_ITERATION_HINT = "javax.faces.visit.SKIP_ITERATION";
/**
* Constructor.
*/
public FaceletPartialStateManagementStrategy() {
this(FacesContext.getCurrentInstance());
}
/**
* Constructor.
*
* @param context the Faces context.
*/
public FaceletPartialStateManagementStrategy(FacesContext context) {
}
/**
* Find the given component in the component tree.
*
* @param context the Faces context.
* @param clientId the client id of the component to find.
*/
private UIComponent locateComponentByClientId(final FacesContext context, final UIComponent subTree, final String clientId) {
if (LOGGER.isLoggable(Level.FINEST)) {
LOGGER.log(Level.FINEST, "FaceletPartialStateManagementStrategy.locateComponentByClientId", clientId);
}
final List found = new ArrayList();
UIComponent result = null;
try {
context.getAttributes().put(SKIP_ITERATION_HINT, true);
Set hints = EnumSet.of(VisitHint.SKIP_ITERATION);
VisitContext visitContext = VisitContext.createVisitContext(context, null, hints);
subTree.visitTree(visitContext, new VisitCallback() {
public VisitResult visit(VisitContext visitContext, UIComponent component) {
VisitResult result = VisitResult.ACCEPT;
if (component.getClientId(visitContext.getFacesContext()).equals(clientId)) {
/*
* If the client id matches up we have found our match.
*/
found.add(component);
result = VisitResult.COMPLETE;
} else if (component instanceof UIForm) {
/*
* If the component is a UIForm and it is prepending its
* id then we can short circuit out of here if the the
* client id of the component we are trying to find does
* not begin with the id of the UIForm.
*/
UIForm form = (UIForm) component;
if (form.isPrependId() && !clientId.startsWith(form.getClientId(visitContext.getFacesContext()))) {
result = VisitResult.REJECT;
}
} else if (component instanceof NamingContainer &&
!clientId.startsWith(component.getClientId(visitContext.getFacesContext()))) {
/*
* If the component is a naming container then assume it
* is prepending its id so if our client id we are
* looking for does not start with the naming container
* id we can skip visiting this tree.
*/
result = VisitResult.REJECT;
}
return result;
}
});
} finally {
context.getAttributes().remove(SKIP_ITERATION_HINT);
}
if (!found.isEmpty()) {
result = found.get(0);
}
return result;
}
/**
* Methods that takes care of pruning and re-adding an action to the dynamic
* action list.
*
* If you remove a component, re-add it to the same parent and then
* remove it again, you only have to capture the FIRST remove. Similarly if
* you add a component, remove it, and then re-add it to the same parent you
* only need to capture the LAST add.
*
* @param dynamicActionList the dynamic action list.
* @param struct the component struct to add.
*/
private void pruneAndReAddToDynamicActions(List dynamicActionList, ComponentStruct struct) {
if (LOGGER.isLoggable(Level.FINEST)) {
LOGGER.finest("FaceletPartialStateManagementStrategy.pruneAndReAddToDynamicActions");
}
int firstIndex = dynamicActionList.indexOf(struct);
if (firstIndex == -1) {
dynamicActionList.add(struct);
} else {
int lastIndex = dynamicActionList.lastIndexOf(struct);
if (lastIndex == -1 || lastIndex == firstIndex) {
dynamicActionList.add(struct);
} else {
if (ComponentStruct.ADD.equals(struct.action)) {
dynamicActionList.remove(lastIndex);
dynamicActionList.remove(firstIndex);
dynamicActionList.add(struct);
}
if (ComponentStruct.REMOVE.equals(struct.action)) {
dynamicActionList.remove(lastIndex);
}
}
}
}
/**
* Restore the list of dynamic actions and replay them.
*
* @param context the Faces context.
* @param stateContext the state context.
* @param stateMap the state.
* @param viewRoot the view root.
*/
private void restoreDynamicActions(FacesContext context, StateContext stateContext, Map stateMap) {
if (LOGGER.isLoggable(Level.FINEST)) {
LOGGER.finest("FaceletPartialStateManagementStrategy.restoreDynamicActions");
}
List