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package org.seasar.teeda.core.util; |
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import javax.faces.application.Application; |
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import javax.faces.component.UIComponent; |
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import javax.faces.context.FacesContext; |
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import javax.faces.el.ValueBinding; |
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import org.seasar.framework.container.ExternalContext; |
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import org.seasar.framework.container.S2Container; |
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public class BindingUtil { |
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32 | 0 | private BindingUtil() { |
33 | 0 | } |
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public static String getExpression(String componentName) { |
36 | 0 | return "#{" + componentName + "}"; |
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} |
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public static String getExpression(String componentName, String propertyName) { |
40 | 0 | return "#{" + componentName + "." + propertyName + "}"; |
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} |
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public static boolean isValueReference(String value) { |
44 | 734 | if (value == null) { |
45 | 0 | return false; |
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} |
47 | 734 | int start = value.indexOf("#{"); |
48 | 734 | if (start < 0) { |
49 | 726 | return false; |
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} |
51 | 8 | int end = value.lastIndexOf('}'); |
52 | 8 | return (end >= 0 && start < end); |
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} |
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public static Object getValue(S2Container container, String name) { |
56 | 9 | Object var = getValue(container.getExternalContext(), name); |
57 | 9 | if (var != null) { |
58 | 0 | return var; |
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} |
60 | 9 | if (container.hasComponentDef(name)) { |
61 | 9 | return container.getComponent(name); |
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} |
63 | 0 | return null; |
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} |
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public static Object getValue(ExternalContext externalContext, String name) { |
67 | 9 | Object var = externalContext.getRequestMap().get(name); |
68 | 9 | if (var != null) { |
69 | 0 | return var; |
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} |
71 | 9 | var = externalContext.getRequestParameterMap().get(name); |
72 | 9 | if (var != null && !"null".equals(var)) { |
73 | 0 | return var; |
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} |
75 | 9 | var = externalContext.getSessionMap().get(name); |
76 | 9 | if (var != null) { |
77 | 0 | return var; |
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} |
79 | 9 | return null; |
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} |
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public static Object resolveBinding(String value) { |
83 | 0 | FacesContext context = FacesContext.getCurrentInstance(); |
84 | 0 | Application app = context.getApplication(); |
85 | 0 | ValueBinding vb = app.createValueBinding(value); |
86 | 0 | return vb.getValue(context); |
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} |
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public static String resolveBindingNoException(String value) { |
90 | 0 | Object ret = null; |
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try { |
92 | 0 | ret = resolveBinding(value); |
93 | 0 | } catch (Exception ignore) { |
94 | 0 | return null; |
95 | 0 | } |
96 | 0 | return (ret != null) ? ret.toString() : null; |
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} |
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public static Object getBindingValue(UIComponent component, |
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String propertyName) { |
101 | 0 | ValueBinding binding = component.getValueBinding(propertyName); |
102 | 0 | if (binding != null) { |
103 | 0 | FacesContext ctx = FacesContext.getCurrentInstance(); |
104 | 0 | return binding.getValue(ctx); |
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} |
106 | 0 | return null; |
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} |
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public static void setValueBinding(UIComponent component, String name, |
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String value) { |
111 | 2 | FacesContext ctx = FacesContext.getCurrentInstance(); |
112 | 2 | Application app = ctx.getApplication(); |
113 | 2 | ValueBinding binding = app.createValueBinding(value); |
114 | 2 | component.setValueBinding(name, binding); |
115 | 2 | } |
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} |