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package org.apache.tapestry.enhance; |
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import org.apache.hivemind.ErrorLog; |
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import org.apache.hivemind.util.Defense; |
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import org.apache.tapestry.internal.event.IComponentEventInvoker; |
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import org.apache.tapestry.spec.IComponentSpecification; |
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public class InjectEventInvokerWorker implements EnhancementWorker |
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{ |
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public static final String PROPERTY_NAME = "eventInvoker"; |
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private ErrorLog _errorLog; |
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private IComponentEventInvoker _invoker; |
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public void performEnhancement(EnhancementOperation op, IComponentSpecification spec) |
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{ |
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try |
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{ |
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injectEventInvoker(op, spec); |
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} |
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catch (Exception ex) |
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{ |
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_errorLog.error(EnhanceMessages.errorAddingProperty( |
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PROPERTY_NAME, op.getBaseClass(), ex), spec |
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.getLocation(), ex); |
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} |
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} |
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public void injectEventInvoker(EnhancementOperation op, IComponentSpecification spec) |
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{ |
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Defense.notNull(op, "op"); |
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Defense.notNull(spec, "spec"); |
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op.claimReadonlyProperty(PROPERTY_NAME); |
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String fieldName = op.addInjectedField("_$" |
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+ PROPERTY_NAME, IComponentEventInvoker.class, |
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_invoker); |
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EnhanceUtils.createSimpleAccessor(op, fieldName, |
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PROPERTY_NAME, IComponentEventInvoker.class, |
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spec.getLocation()); |
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} |
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public void setErrorLog(ErrorLog errorLog) |
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{ |
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_errorLog = errorLog; |
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} |
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public void setComponentEventInvoker(IComponentEventInvoker invoker) |
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{ |
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_invoker = invoker; |
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} |
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} |