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package org.seasar.teeda.core.el; |
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import java.lang.reflect.Array; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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|
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import javax.faces.component.UIComponent; |
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import javax.faces.el.EvaluationException; |
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import javax.faces.el.PropertyNotFoundException; |
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import javax.faces.el.PropertyResolver; |
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import javax.faces.el.ReferenceSyntaxException; |
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|
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import org.seasar.framework.beans.BeanDesc; |
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import org.seasar.framework.beans.PropertyDesc; |
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import org.seasar.framework.beans.factory.BeanDescFactory; |
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import org.seasar.teeda.core.exception.SetterNotFoundRuntimeException; |
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|
38 | 6 | public class TeedaPropertyResolver extends PropertyResolver { |
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|
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public Object getValue(Object base, Object property) |
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throws EvaluationException, PropertyNotFoundException { |
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|
43 | 5 | if (base == null || property == null || property instanceof String |
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&& ((String) property).length() == 0) { |
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|
46 | 2 | return null; |
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} |
48 | 3 | if (base instanceof Map) { |
49 | 2 | return ((Map) base).get(property); |
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} |
51 | 1 | if (base instanceof UIComponent) { |
52 | 1 | UIComponent baseComponent = (UIComponent) base; |
53 | 1 | for (Iterator children = baseComponent.getChildren().iterator(); children |
54 | 1 | .hasNext();) { |
55 | 0 | UIComponent child = (UIComponent) children.next(); |
56 | 0 | if (property.equals(child.getId())) { |
57 | 0 | return child; |
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} |
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} |
60 | 1 | return null; |
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} |
62 | 0 | return getProperty(base, property.toString()); |
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} |
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|
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public Object getValue(Object base, int index) throws EvaluationException, |
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PropertyNotFoundException { |
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|
68 | 0 | if (base == null) { |
69 | 0 | return null; |
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} |
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try { |
72 | 0 | if (base.getClass().isArray()) { |
73 | 0 | return Array.get(base, index); |
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} |
75 | 0 | if (base instanceof List) { |
76 | 0 | return ((List) base).get(index); |
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} |
78 | 0 | if (base instanceof UIComponent) { |
79 | 0 | return ((UIComponent) base).getChildren().get(index); |
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} |
81 | 0 | } catch (IndexOutOfBoundsException e) { |
82 | 0 | return null; |
83 | 0 | } |
84 | 0 | throw new ReferenceSyntaxException("Must be array or List. Bean: " |
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+ base.getClass().getName() + ", index " + index); |
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} |
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|
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public void setValue(Object base, Object property, Object newValue) |
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throws EvaluationException, PropertyNotFoundException { |
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|
91 | 1 | if (base == null || property == null || property instanceof String |
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&& ((String) property).length() == 0) { |
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|
94 | 0 | return; |
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} |
96 | 1 | if (base instanceof Map) { |
97 | 0 | ((Map) base).put(property, newValue); |
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|
99 | 0 | return; |
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} |
101 | 1 | if (base instanceof UIComponent) { |
102 | 0 | throw new PropertyNotFoundException( |
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"Bean must not be UIComponent, property: " + property); |
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} |
105 | 1 | setProperty(base, property.toString(), newValue); |
106 | 0 | } |
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|
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public void setValue(Object base, int index, Object newValue) |
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throws EvaluationException, PropertyNotFoundException { |
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|
111 | 0 | if (base == null) { |
112 | 0 | return; |
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} |
114 | 0 | if (base.getClass().isArray()) { |
115 | 0 | Array.set(base, index, newValue); |
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|
117 | 0 | return; |
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} |
119 | 0 | if (base instanceof List) { |
120 | 0 | ((List) base).set(index, newValue); |
121 | 0 | return; |
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} |
123 | 0 | throw new EvaluationException("Bean must be array or List. Bean: " |
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+ base.getClass().getName() + ", index " + index); |
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} |
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|
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public boolean isReadOnly(Object base, Object property) { |
128 | 0 | if (base == null || property == null || property instanceof String |
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&& ((String) property).length() == 0) { |
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|
131 | 0 | return false; |
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} |
133 | 0 | if (base instanceof Map) { |
134 | 0 | return false; |
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} |
136 | 0 | if (base instanceof UIComponent) { |
137 | 0 | return true; |
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} |
139 | 0 | BeanDesc beanDesc = BeanDescFactory.getBeanDesc(base.getClass()); |
140 | 0 | String propertyName = property.toString(); |
141 | 0 | if (!beanDesc.hasPropertyDesc(propertyName)) { |
142 | 0 | return false; |
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} |
144 | 0 | PropertyDesc pd = beanDesc.getPropertyDesc(propertyName); |
145 | 0 | return !pd.isWritable(); |
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} |
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|
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public boolean isReadOnly(Object base, int index) { |
149 | 0 | if (base == null) { |
150 | 0 | return false; |
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} |
152 | 0 | if (base instanceof List || base.getClass().isArray()) { |
153 | 0 | return false; |
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} |
155 | 0 | if (base instanceof UIComponent) { |
156 | 0 | return true; |
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} |
158 | 0 | return false; |
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} |
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|
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public Class getType(Object base, Object property) { |
162 | 0 | if (base == null || property == null || property instanceof String |
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&& ((String) property).length() == 0) { |
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|
165 | 0 | return null; |
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} |
167 | 0 | if (base instanceof Map) { |
168 | 0 | Object value = ((Map) base).get(property); |
169 | 0 | return (value != null) ? value.getClass() : Object.class; |
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} |
171 | 0 | if (base instanceof UIComponent) { |
172 | 0 | return UIComponent.class; |
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} |
174 | 0 | BeanDesc beanDesc = BeanDescFactory.getBeanDesc(base.getClass()); |
175 | 0 | String propertyName = property.toString(); |
176 | 0 | if (!beanDesc.hasPropertyDesc(propertyName)) { |
177 | 0 | return null; |
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} |
179 | 0 | PropertyDesc pd = beanDesc.getPropertyDesc(propertyName); |
180 | 0 | return pd.getPropertyType(); |
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} |
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|
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public Class getType(Object base, int index) { |
184 | 0 | if (base == null) { |
185 | 0 | return null; |
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} |
187 | 0 | if (base.getClass().isArray()) { |
188 | 0 | return base.getClass().getComponentType(); |
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} |
190 | 0 | if (base instanceof List) { |
191 | 0 | Object value = ((List) base).get(index); |
192 | 0 | return (value != null) ? value.getClass() : Object.class; |
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} |
194 | 0 | if (base instanceof UIComponent) { |
195 | 0 | return UIComponent.class; |
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} |
197 | 0 | return null; |
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} |
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|
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protected void setProperty(Object base, String name, Object newValue) { |
201 | 1 | BeanDesc beanDesc = BeanDescFactory.getBeanDesc(base.getClass()); |
202 | 1 | PropertyDesc pd = beanDesc.getPropertyDesc(name); |
203 | 1 | if (pd.isWritable()) { |
204 | 0 | pd.setValue(base, newValue); |
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} else { |
206 | 1 | throw new SetterNotFoundRuntimeException(name); |
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} |
208 | 0 | } |
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|
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protected Object getProperty(Object base, String name) { |
211 | 0 | BeanDesc beanDesc = BeanDescFactory.getBeanDesc(base.getClass()); |
212 | 0 | PropertyDesc pd = beanDesc.getPropertyDesc(name); |
213 | 0 | if (pd.isReadable()) { |
214 | 0 | return pd.getValue(base); |
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} else { |
216 | 0 | return null; |
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} |
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} |
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|
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} |