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package org.apache.tapestry.enhance; |
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import java.util.Iterator; |
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import org.apache.hivemind.ErrorLog; |
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import org.apache.hivemind.Location; |
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import org.apache.tapestry.IComponent; |
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import org.apache.tapestry.event.PageDetachListener; |
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import org.apache.tapestry.spec.IComponentSpecification; |
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32 | 0 | public class AbstractPropertyWorker implements EnhancementWorker |
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{ |
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private ErrorLog _errorLog; |
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public void performEnhancement(EnhancementOperation op, IComponentSpecification spec) |
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{ |
38 | 0 | Location location = spec.getLocation(); |
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40 | 0 | Iterator i = op.findUnclaimedAbstractProperties().iterator(); |
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42 | 0 | while (i.hasNext()) |
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{ |
44 | 0 | String name = (String) i.next(); |
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try |
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{ |
48 | 0 | createProperty(op, name, location); |
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} |
50 | 0 | catch (Exception ex) |
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{ |
52 | 0 | _errorLog.error( |
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EnhanceMessages.errorAddingProperty(name, op.getBaseClass(), ex), |
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location, |
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ex); |
56 | 0 | } |
57 | 0 | } |
58 | 0 | } |
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private void createProperty(EnhancementOperation op, String name, Location location) |
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{ |
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64 | 0 | Class propertyType = op.getPropertyType(name); |
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66 | 0 | String fieldName = "_$" + name; |
67 | 0 | String defaultFieldName = fieldName + "$defaultValue"; |
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69 | 0 | op.addField(fieldName, propertyType); |
70 | 0 | op.addField(defaultFieldName, propertyType); |
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72 | 0 | EnhanceUtils.createSimpleAccessor(op, fieldName, name, propertyType, location); |
73 | 0 | EnhanceUtils.createSimpleMutator(op, fieldName, name, propertyType, location); |
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78 | 0 | op.extendMethodImplementation( |
79 | 0 | IComponent.class, |
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EnhanceUtils.FINISH_LOAD_SIGNATURE, |
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defaultFieldName + " = " + fieldName + ";"); |
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85 | 0 | op.extendMethodImplementation( |
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PageDetachListener.class, |
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EnhanceUtils.PAGE_DETACHED_SIGNATURE, |
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fieldName + " = " + defaultFieldName + ";"); |
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92 | 0 | op.claimProperty(name); |
93 | 0 | } |
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public void setErrorLog(ErrorLog errorLog) |
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{ |
97 | 0 | _errorLog = errorLog; |
98 | 0 | } |
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} |