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package org.apache.tapestry.enhance; |
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import java.beans.BeanInfo; |
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import java.beans.Introspector; |
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import java.beans.PropertyDescriptor; |
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import java.lang.reflect.Method; |
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import org.apache.hivemind.ApplicationRuntimeException; |
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public class ClassInspectorImpl implements ClassInspector |
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{ |
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public MethodSignature getMethodSignature(Class implementing, Method m) |
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{ |
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return new MethodSignatureImpl(m); |
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} |
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public MethodSignature getPropertyAccessor(Class type, String propertyName) |
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{ |
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try { |
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BeanInfo info = Introspector.getBeanInfo(type); |
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PropertyDescriptor[] props = info.getPropertyDescriptors(); |
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for (int i=0; i < props.length; i++) { |
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if (!propertyName.equals(props[i].getName())) { |
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continue; |
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} |
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return new MethodSignatureImpl(props[i].getReadMethod() != null ? props[i].getReadMethod() : props[i].getWriteMethod()); |
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} |
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} catch (Throwable t) { |
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throw new ApplicationRuntimeException("Error reading property " + propertyName + " from base class : " + type, t); |
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} |
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return null; |
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} |
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} |