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package ysoserial.payloads.util;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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public class Reflections {
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	public static Field getField(final Class<?> clazz, final String fieldName) throws Exception {
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		Field field = clazz.getDeclaredField(fieldName);
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		if (field == null && clazz.getSuperclass() != null) {
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			field = getField(clazz.getSuperclass(), fieldName);
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		}
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		field.setAccessible(true);
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		return field;
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	}
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	public static void setFieldValue(final Object obj, final String fieldName, final Object value) throws Exception {
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		final Field field = getField(obj.getClass(), fieldName);
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		field.set(obj, value);
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	}
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	public static Object getFieldValue(final Object obj, final String fieldName) throws Exception {
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		final Field field = getField(obj.getClass(), fieldName);		
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		return field.get(obj);
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	}
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	public static Constructor<?> getFirstCtor(final String name) throws Exception {
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		final Constructor<?> ctor = Class.forName(name).getDeclaredConstructors()[0];
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	    ctor.setAccessible(true);
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	    return ctor;
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	}
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}
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