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1 package com.icesoft.faces.webapp.http.core;
2
3 import com.icesoft.faces.application.D2DViewHandler;
4 import com.icesoft.faces.webapp.http.common.Request;
5 import com.icesoft.faces.webapp.http.common.Server;
6
7 import javax.faces.FactoryFinder;
8 import javax.faces.component.UIComponent;
9 import javax.faces.component.UIForm;
10 import javax.faces.component.UIInput;
11 import javax.faces.el.ValueBinding;
12 import javax.faces.context.FacesContext;
13 import javax.faces.lifecycle.Lifecycle;
14 import javax.faces.lifecycle.LifecycleFactory;
15 import java.util.ArrayList  ;
16 import java.util.Arrays ;
17 import java.util.Collection ;
18 import java.util.Iterator ;
19 import java.util.List ;
20 import java.util.Map ;
21 import java.util.HashMap ;
22
23 public class ReceiveSendUpdates implements Server {
24 private static final String REQUIRED = "required";
25 private static final LifecycleFactory LifecycleFactory = (LifecycleFactory) FactoryFinder.getFactory(FactoryFinder.LIFECYCLE_FACTORY);
26 private Lifecycle lifecycle = LifecycleFactory.getLifecycle(LifecycleFactory.DEFAULT_LIFECYCLE);
27 private Map commandQueues;
28 private Collection synchronouslyUpdatedViews;
29
30 public ReceiveSendUpdates(Map commandQueues, Collection synchronouslyUpdatedViews) {
31 this.commandQueues = commandQueues;
32 this.synchronouslyUpdatedViews = synchronouslyUpdatedViews;
33 }
34
35 public void service(final Request request) throws Exception {
36 List viewIdentifiers = Arrays.asList(request.getParameterAsStrings("viewNumber"));
37 synchronouslyUpdatedViews.addAll(viewIdentifiers);
38
39 FacesContext context = FacesContext.getCurrentInstance();
40 if (request.getParameterAsBoolean("partial", false)) {
41 String componentID = request.getParameter("ice.event.captured");
42 UIComponent component = D2DViewHandler.findComponent(componentID, context.getViewRoot());
43 renderCyclePartial(context, component);
44 } else {
45 renderCycle(context);
46 }
47
48 request.respondWith(new SendUpdates.Handler(commandQueues, request));
49 }
50
51 public void shutdown() {
52 }
53
54 private void renderCycle(FacesContext context) {
55 synchronized (context) {
56 com.icesoft.util.SeamUtilities.removeSeamDebugPhaseListener(lifecycle);
57 lifecycle.execute(context);
58 lifecycle.render(context);
59 }
60 }
61
62 private void renderCyclePartial(FacesContext context,
63 UIComponent component) {
64 synchronized (context) {
65 Map alteredRequiredComponents =
66 setRequiredFalseInFormContaining(component);
67 com.icesoft.util.SeamUtilities.removeSeamDebugPhaseListener(lifecycle);
68 lifecycle.execute(context);
69 lifecycle.render(context);
70 setRequiredTrue(alteredRequiredComponents);
71 }
72 }
73
74 private void setRequiredTrue(Map requiredComponents) {
75 Iterator i = requiredComponents.keySet().iterator();
76 UIInput next = null;
77 while (i.hasNext()) {
78 next = (UIInput) i.next();
79 ValueBinding valueBinding = (ValueBinding)
80 requiredComponents.get(next);
81 if (null != valueBinding) {
82 next.setValueBinding(REQUIRED, valueBinding);
83 } else {
84 next.setRequired(true);
85 }
86 }
87 }
88
89 private Map setRequiredFalseInFormContaining(UIComponent component) {
90 Map alteredComponents = new HashMap ();
91 UIComponent form = getContainingForm(component);
92 setRequiredFalseOnAllChildrenExceptOne(form, component,
93 alteredComponents);
94 return alteredComponents;
95 }
96
97 private void setRequiredFalseOnAllChildrenExceptOne(UIComponent parent,
98 UIComponent componentToAvoid,
99 Map alteredComponents) {
100 ValueBinding FALSE_BINDING = FacesContext.getCurrentInstance()
101 .getApplication().createValueBinding("#{false}");
102 int length = parent.getChildCount();
103 UIComponent next = null;
104 for (int i = 0; i < length; i++) {
105 next = (UIComponent) parent.getChildren().get(i);
106 if (next instanceof UIInput && next != componentToAvoid) {
107 UIInput input = (UIInput) next;
108 if (input.isRequired()) {
109 ValueBinding valueBinding =
110 input.getValueBinding(REQUIRED);
111 if (null != valueBinding) {
112 input.setValueBinding(REQUIRED, FALSE_BINDING);
113 } else {
114 input.setRequired(false);
115 }
116 alteredComponents.put(input, valueBinding);
117 }
118 }
119 setRequiredFalseOnAllChildrenExceptOne(next, componentToAvoid,
120 alteredComponents);
121 }
122 }
123
124 private UIComponent getContainingForm(UIComponent component) {
125 if (null == component) {
126 return FacesContext.getCurrentInstance().getViewRoot();
127 }
128 UIComponent parent = component.getParent();
129 while (parent != null) {
130 if (parent instanceof UIForm) {
131 break;
132 }
133 parent = parent.getParent();
134 }
135 return (UIForm) parent;
136 }
137
138
139 }
140 |
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