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package org.apache.tapestry.services.impl; |
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import edu.emory.mathcs.backport.java.util.concurrent.ConcurrentHashMap; |
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import org.apache.hivemind.Resource; |
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import org.apache.hivemind.lib.chain.ChainBuilder; |
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import org.apache.tapestry.IComponent; |
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import org.apache.tapestry.INamespace; |
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import org.apache.tapestry.engine.IPropertySource; |
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import org.apache.tapestry.event.ResetEventListener; |
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import org.apache.tapestry.services.ComponentPropertySource; |
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import org.apache.tapestry.spec.IComponentSpecification; |
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import org.apache.tapestry.util.PropertyHolderPropertySource; |
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|
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Locale; |
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import java.util.Map; |
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|
41 | 0 | public class ComponentPropertySourceImpl implements ComponentPropertySource, ResetEventListener |
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{ |
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private IPropertySource _globalProperties; |
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private ChainBuilder _chainBuilder; |
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47 | 0 | private Map _componentSources = new ConcurrentHashMap(); |
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49 | 0 | private Map _localizedComponentSources = new ConcurrentHashMap(); |
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51 | 0 | private Map _namespaceSources = new ConcurrentHashMap(); |
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53 | 0 | private Map _localizedNamespaceSources = new ConcurrentHashMap(); |
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public void resetEventDidOccur() |
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{ |
57 | 0 | _componentSources.clear(); |
58 | 0 | _localizedComponentSources.clear(); |
59 | 0 | _namespaceSources.clear(); |
60 | 0 | _localizedNamespaceSources.clear(); |
61 | 0 | } |
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private IPropertySource getSourceForNamespace(INamespace namespace) |
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{ |
65 | 0 | Resource key = namespace.getSpecificationLocation(); |
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67 | 0 | IPropertySource result = (IPropertySource) _namespaceSources.get(key); |
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|
69 | 0 | if (result == null) |
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{ |
71 | 0 | result = createSourceForNamespace(namespace); |
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|
73 | 0 | _namespaceSources.put(key, result); |
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} |
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|
76 | 0 | return result; |
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} |
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private IPropertySource getSourceForComponent(IComponent component) |
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{ |
81 | 0 | Resource key = component.getSpecification().getSpecificationLocation(); |
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83 | 0 | IPropertySource result = (IPropertySource) _componentSources.get(key); |
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|
85 | 0 | if (result == null) |
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{ |
87 | 0 | result = createSourceForComponent(component); |
88 | 0 | _componentSources.put(key, result); |
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} |
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|
91 | 0 | return result; |
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} |
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private LocalizedPropertySource getLocalizedSourceForComponent(IComponent component) |
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{ |
96 | 0 | Resource key = component.getSpecification().getSpecificationLocation(); |
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98 | 0 | LocalizedPropertySource result = (LocalizedPropertySource) _localizedComponentSources.get(key); |
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|
100 | 0 | if (result == null) |
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{ |
102 | 0 | result = new LocalizedPropertySource(getSourceForComponent(component)); |
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|
104 | 0 | _localizedComponentSources.put(key, result); |
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} |
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107 | 0 | return result; |
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} |
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private LocalizedPropertySource getLocalizedSourceForNamespace(INamespace namespace) |
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{ |
112 | 0 | Resource key = namespace.getSpecificationLocation(); |
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114 | 0 | LocalizedPropertySource result = (LocalizedPropertySource) _localizedNamespaceSources.get(key); |
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|
116 | 0 | if (result == null) |
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{ |
118 | 0 | result = new LocalizedPropertySource(getSourceForNamespace(namespace)); |
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|
120 | 0 | _localizedNamespaceSources.put(key, result); |
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} |
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|
123 | 0 | return result; |
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} |
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private IPropertySource createSourceForComponent(IComponent component) |
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{ |
128 | 0 | IComponentSpecification specification = component.getSpecification(); |
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|
130 | 0 | List sources = new ArrayList(); |
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|
132 | 0 | sources.add(new PropertyHolderPropertySource(specification)); |
133 | 0 | sources.add(getSourceForNamespace(component.getNamespace())); |
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|
135 | 0 | return (IPropertySource) _chainBuilder.buildImplementation( |
136 | 0 | IPropertySource.class, |
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sources, |
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ImplMessages.componentPropertySourceDescription(specification)); |
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} |
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private IPropertySource createSourceForNamespace(INamespace namespace) |
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{ |
143 | 0 | List sources = new ArrayList(); |
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|
145 | 0 | sources.add(new PropertyHolderPropertySource(namespace.getSpecification())); |
146 | 0 | sources.add(_globalProperties); |
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|
148 | 0 | return (IPropertySource) _chainBuilder.buildImplementation(IPropertySource.class, |
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sources, |
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ImplMessages.namespacePropertySourceDescription(namespace)); |
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} |
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public String getComponentProperty(IComponent component, String propertyName) |
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{ |
155 | 0 | return getSourceForComponent(component).getPropertyValue(propertyName); |
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} |
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public String getLocalizedComponentProperty(IComponent component, Locale locale, String propertyName) |
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{ |
160 | 0 | return getLocalizedSourceForComponent(component).getPropertyValue(propertyName, locale); |
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} |
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public String getNamespaceProperty(INamespace namespace, String propertyName) |
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{ |
165 | 0 | return getSourceForNamespace(namespace).getPropertyValue(propertyName); |
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} |
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public String getLocalizedNamespaceProperty(INamespace namespace, Locale locale, String propertyName) |
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{ |
170 | 0 | return getLocalizedSourceForNamespace(namespace).getPropertyValue(propertyName, locale); |
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} |
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public void setChainBuilder(ChainBuilder chainBuilder) |
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{ |
175 | 0 | _chainBuilder = chainBuilder; |
176 | 0 | } |
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|
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public void setGlobalProperties(IPropertySource globalProperties) |
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{ |
180 | 0 | _globalProperties = globalProperties; |
181 | 0 | } |
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} |