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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.ClassResolver; |
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import org.apache.hivemind.Location; |
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import org.apache.hivemind.Resource; |
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import org.apache.hivemind.util.ClasspathResource; |
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import org.apache.tapestry.enhance.EnhancementOperation; |
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import org.apache.tapestry.enhance.EnhancementWorker; |
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import org.apache.tapestry.enhance.InjectAssetWorker; |
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import org.apache.tapestry.spec.IAssetSpecification; |
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import org.apache.tapestry.spec.IComponentSpecification; |
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public class InjectAssetAnnotationWorker implements EnhancementWorker |
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{ |
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InjectAssetWorker _delegate; |
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private ClassResolver _classResolver; |
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InjectAssetAnnotationWorker(InjectAssetWorker delegate) |
45 | 0 | { |
46 | 0 | _delegate = delegate; |
47 | 0 | } |
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public InjectAssetAnnotationWorker() |
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{ |
51 | 0 | this(new InjectAssetWorker()); |
52 | 0 | } |
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public void performEnhancement(EnhancementOperation op, IComponentSpecification spec) |
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{ |
56 | 0 | Class clazz = op.getBaseClass(); |
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58 | 0 | Resource classResource = newClassResource(clazz); |
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|
60 | 0 | for (Method m : clazz.getMethods()) |
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{ |
62 | 0 | if (m.getAnnotation(InjectAsset.class) != null) { |
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|
64 | 0 | performEnhancement(op, spec, m, |
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AnnotationUtils.buildLocationForAnnotation( |
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m, |
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m.getAnnotation(InjectAsset.class), |
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classResource)); |
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} |
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} |
71 | 0 | } |
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private ClasspathResource newClassResource(Class clazz) |
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{ |
75 | 0 | return new ClasspathResource(_classResolver, clazz.getName().replace('.', '/')); |
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} |
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public void performEnhancement(EnhancementOperation op, IComponentSpecification spec, Method method, Location location) |
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{ |
80 | 0 | InjectAsset as = method.getAnnotation(InjectAsset.class); |
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82 | 0 | IAssetSpecification asset = spec.getAsset(as.value()); |
83 | 0 | if (asset == null) { |
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85 | 0 | throw new ApplicationRuntimeException(AnnotationMessages.unknownAsset(as.value(), location)); |
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} |
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88 | 0 | String propertyName = AnnotationUtils.getPropertyName(method); |
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90 | 0 | _delegate.injectAsset(op, as.value(), propertyName, location); |
91 | 0 | } |
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public void setClassResolver(ClassResolver classResolver) |
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{ |
95 | 0 | _classResolver = classResolver; |
96 | 0 | } |
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} |