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| package net.sourceforge.pmd.properties; |
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| import java.lang.reflect.Method; |
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| public class MethodProperty extends AbstractPMDProperty { |
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| public MethodProperty(String theName, String theDescription, Object theDefault, float theUIOrder) {
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| super(theName, theDescription, theDefault, theUIOrder);
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| } |
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| public Class type() {
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| return Method.class;
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| } |
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| public Object valueFrom(String propertyString) throws IllegalArgumentException {
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| Class cls = classIn(propertyString);
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| String methodName = methodNameIn(propertyString);
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| Class[] parameterTypes = parameterTypesIn(propertyString);
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| try {
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| return cls.getMethod(methodName, parameterTypes);
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| } catch (Exception e) { |
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| throw new IllegalArgumentException("invalid method: " + propertyString);
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| } |
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| } |
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| private Class classIn(String propertyString) throws IllegalArgumentException {
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| int dotPos = propertyString.lastIndexOf('.');
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| String className = propertyString.substring(0, dotPos);
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| try {
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| return Class.forName(className);
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| } catch (Exception ex) { |
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| throw new IllegalArgumentException("class not found: " + className);
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| } |
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| } |
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| private String methodNameIn(String propertyString) throws IllegalArgumentException {
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| int dotPos = propertyString.lastIndexOf('.');
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| return propertyString.substring(dotPos);
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| } |
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| private Class[] parameterTypesIn(String propertyString) {
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| return null;
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| } |
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| } |