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package org.apache.tapestry.annotations; |
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import java.lang.reflect.Method; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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import org.apache.hivemind.HiveMind; |
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import org.apache.hivemind.Location; |
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import org.apache.tapestry.enhance.EnhancementOperation; |
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import org.apache.tapestry.spec.BindingSpecification; |
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import org.apache.tapestry.spec.BindingType; |
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import org.apache.tapestry.spec.ContainedComponent; |
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import org.apache.tapestry.spec.IBindingSpecification; |
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import org.apache.tapestry.spec.IComponentSpecification; |
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import org.apache.tapestry.spec.IContainedComponent; |
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38 | 0 | public class ComponentAnnotationWorker implements MethodAnnotationEnhancementWorker |
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{ |
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public void performEnhancement(EnhancementOperation op, IComponentSpecification spec, |
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Method method, Location location) |
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{ |
44 | 0 | Component component = method.getAnnotation(Component.class); |
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|
46 | 0 | String propertyName = AnnotationUtils.getPropertyName(method); |
47 | 0 | String type = component.type(); |
48 | 0 | String copyOf = component.copyOf(); |
49 | 0 | boolean hasCopyOf = HiveMind.isNonBlank(copyOf); |
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|
51 | 0 | if (hasCopyOf) |
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{ |
53 | 0 | if (HiveMind.isNonBlank(type)) |
54 | 0 | throw new ApplicationRuntimeException(AnnotationMessages.bothTypeAndCopyOf(propertyName)); |
55 | 0 | type = null; |
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} |
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else |
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{ |
59 | 0 | if (type.equals("")) |
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{ |
61 | 0 | Class retTypeClazz = method.getReturnType(); |
62 | 0 | type = resolveComponentType(retTypeClazz); |
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} |
64 | 0 | copyOf = null; |
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} |
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67 | 0 | IContainedComponent cc = new ContainedComponent(); |
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69 | 0 | cc.setInheritInformalParameters(component.inheritInformalParameters()); |
70 | 0 | cc.setType(type); |
71 | 0 | cc.setCopyOf(copyOf); |
72 | 0 | cc.setPropertyName(propertyName); |
73 | 0 | cc.setLocation(location); |
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75 | 0 | for (String binding : component.bindings()) |
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{ |
77 | 0 | addBinding(cc, binding, location); |
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} |
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80 | 0 | for (String binding : component.inheritedBindings()) |
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{ |
82 | 0 | addInheritedBinding(cc, binding, location); |
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} |
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85 | 0 | String id = component.id(); |
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87 | 0 | if (id.equals("")) |
88 | 0 | id = propertyName; |
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90 | 0 | spec.addComponent(id, cc); |
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92 | 0 | if (hasCopyOf) |
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{ |
94 | 0 | IContainedComponent source = spec.getComponent(copyOf); |
95 | 0 | if (source != null) |
96 | 0 | AnnotationUtils.copyBindings(source, cc); |
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} |
98 | 0 | } |
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protected String resolveComponentType(Class retTypeClass) |
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{ |
102 | 0 | return retTypeClass.getSimpleName(); |
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} |
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void addBinding(IContainedComponent component, String binding, Location location) |
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{ |
107 | 0 | int equalsx = binding.indexOf('='); |
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109 | 0 | if (equalsx < 1) |
110 | 0 | invalidBinding(binding); |
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112 | 0 | if (equalsx + 1 >= binding.length()) |
113 | 0 | invalidBinding(binding); |
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115 | 0 | String name = binding.substring(0, equalsx).trim(); |
116 | 0 | String value = binding.substring(equalsx + 1).trim(); |
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118 | 0 | IBindingSpecification bs = new BindingSpecification(); |
119 | 0 | bs.setType(BindingType.PREFIXED); |
120 | 0 | bs.setValue(value); |
121 | 0 | bs.setLocation(location); |
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123 | 0 | component.setBinding(name, bs); |
124 | 0 | } |
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void addInheritedBinding(IContainedComponent component, String binding, Location location) |
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{ |
131 | 0 | int equalsx = binding.indexOf('='); |
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String name; |
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String containerName; |
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135 | 0 | if (equalsx < 0) |
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{ |
137 | 0 | name = binding.trim(); |
138 | 0 | containerName = name; |
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} |
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else |
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{ |
142 | 0 | name = binding.substring(0, equalsx).trim(); |
143 | 0 | containerName = binding.substring(equalsx + 1).trim(); |
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} |
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146 | 0 | IBindingSpecification bs = new BindingSpecification(); |
147 | 0 | bs.setType(BindingType.INHERITED); |
148 | 0 | bs.setValue(containerName); |
149 | 0 | bs.setLocation(location); |
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151 | 0 | component.setBinding(name, bs); |
152 | 0 | } |
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protected void invalidBinding(String binding) |
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{ |
156 | 0 | throw new ApplicationRuntimeException(AnnotationMessages.bindingWrongFormat(binding)); |
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} |
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} |