forked from LupusNobilis/java-org.hwo.ui
60 lines
1.3 KiB
Java
60 lines
1.3 KiB
Java
package org.hwo.ui.wellknown;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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public class WellKnown {
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public static WellKnownClass getWellKnownClass(Class<?> clazz)
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{
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WellKnownClass wk = clazz.getAnnotation(WellKnownClass.class);
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if (wk != null)
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return wk;
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if (clazz.getSuperclass() != null)
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return getWellKnownClass(clazz.getSuperclass());
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return null;
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}
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static public Method findAnnotatedMethod(Class<?> clazz,Class<? extends Annotation> annotationClass)
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{
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for (Method method:clazz.getDeclaredMethods())
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{
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Object anno = method.getAnnotation(annotationClass);
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if (anno != null)
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return method;
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}
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if (clazz.getSuperclass() != null)
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return findAnnotatedMethod(clazz.getSuperclass(), annotationClass);
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return null;
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}
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static public String getDisplayLabel(Object o)
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{
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Method m = findAnnotatedMethod(o.getClass(), WellKnownDisplayLabel.class);
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if (m != null)
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{
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m.setAccessible(true);
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try {
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Object result = m.invoke(o, null);
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return result.toString();
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} catch (IllegalArgumentException e) {
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e.printStackTrace();
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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} catch (InvocationTargetException e) {
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e.printStackTrace();
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}
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}
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return o.toString();
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}
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}
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