Get the type of the field. - Java Reflection

Java examples for Reflection:Field Get

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Description

Get the type of the field.

Demo Code

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 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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//package com.java2s;

import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;

import java.util.Collection;

public class Main {
    /**
     * Get the type of the field. For arrays and collections the type of the array or collection is returned.
     *
     * @param field field for which the type is extracted
     * @return type of the field (also for arrays or collections)
     */
    public static Class<?> getFieldType(Field field) {
        if (field.getType().isArray()
                || Collection.class.isAssignableFrom(field.getType())) {
            return (Class<?>) ((ParameterizedType) field.getGenericType())
                    .getActualTypeArguments()[0];
        } else {
            return field.getType();
        }
    }
}

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