Reflect反射的工具类

Reflect反射的工具类

自己写了一个工具类，希望对大家有用。

/** *  */package com;import java.lang.reflect.Constructor;import java.lang.reflect.Field;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;/** * @version 1.0.0 * @since 2010.1.25 * @author cnchenhl *  */public class JavaReflectUtil {    /**     * get Class Of Name     * @param str     * @return     * @throws ClassNotFoundException     */    public static Class<?> getReflectClass(String str) throws ClassNotFoundException {        Class<?> classReflect = null;        classReflect = Class.forName(str);        return classReflect;    }    /**     * get Method of className     * @param str     * @return     * @throws SecurityException     * @throws ClassNotFoundException     */    public static Method[] getDeclaredMethod(String str) throws SecurityException, ClassNotFoundException {        Method[] method = getReflectClass(str).getDeclaredMethods();        return method;    }    /**     *      * @param method     */    public static void printMehthodArray(Method[] method) {        for (int i = 0; i < method.length; i++) {            System.out.println(method[i].toString());        }    }    /**     *      * @param str     * @return     * @throws SecurityException     * @throws NoSuchMethodException     * @throws ClassNotFoundException     */    public static Constructor<?> getConsructorDefault(String str) throws SecurityException, NoSuchMethodException,            ClassNotFoundException {        Constructor<?> constructor = null;        constructor = getReflectClass(str).getConstructor();        return constructor;    }    /**     *      * @param str     * @param classType     * @return     * @throws SecurityException     * @throws NoSuchMethodException     * @throws ClassNotFoundException     */    public static Constructor<?> getConstructor(String str, Class<?>[] classType) throws SecurityException,            NoSuchMethodException, ClassNotFoundException {        Constructor<?> constructor = null;        constructor = getReflectClass(str).getConstructor(classType);        return constructor;    }    /**     *      * @param str     * @return     * @throws IllegalArgumentException     * @throws InstantiationException     * @throws IllegalAccessException     * @throws InvocationTargetException     * @throws SecurityException     * @throws NoSuchMethodException     * @throws ClassNotFoundException     */    public static Object getClassObject(String str) throws IllegalArgumentException, InstantiationException,            IllegalAccessException, InvocationTargetException, SecurityException, NoSuchMethodException,            ClassNotFoundException {        Object obj = null;        obj = getConsructorDefault(str).newInstance();        return obj;    }    /**     *      * @param str     * @return     * @throws SecurityException     * @throws ClassNotFoundException     */    public static Field[] getClassField(String str) throws SecurityException, ClassNotFoundException {        Field[] field = null;        field = getReflectClass(str).getDeclaredFields();        return field;    }    /**     *      * @param field     */    public static void printFieldArray(Field[] field) {        for (int i = 0; i < field.length; i++) {            System.out.println(field[i]);        }    }    /**     *      * @param method     * @return     */    public static String getMehtodName(Method method) {        String str = method.getName();        return str;    }    /**     *      * @param field     * @return     */    public static String getFieldName(Field field) {        String str = field.getName();        return str;    }    /**     *      * @param field     * @param typeofMethod     * @return     */    public static String getFieldOfGetMethod(Field field, String typeofMethod) {        String fieldName = field.getName();        String firstLetter = fieldName.substring(0, 1).toUpperCase();        String getMethodName = typeofMethod + firstLetter + fieldName.substring(1);        return getMethodName;    }    /**     *      * @param str     * @param methidName     * @return     * @throws SecurityException     * @throws NoSuchMethodException     * @throws ClassNotFoundException     */    public static Method getMethod(String str, String methidName) throws SecurityException, NoSuchMethodException,            ClassNotFoundException {        Method method = getReflectClass(str).getMethod(methidName);        return method;    }    /**     *      * @param field     * @param str     * @return     * @throws SecurityException     * @throws NoSuchMethodException     * @throws ClassNotFoundException     */    public static Method getFieldOfMethod(Field field, String str) throws SecurityException, NoSuchMethodException,            ClassNotFoundException {        String getMethodName = getFieldOfGetMethod(field, "get");        Class<?> classType = getReflectClass(str);        Method getMethod = classType.getMethod(getMethodName, new Class[] {});        return getMethod;    }    /**     *      * @param field     * @param str     * @return     * @throws SecurityException     * @throws NoSuchMethodException     * @throws ClassNotFoundException     */    public static Method setFieldOfMethod(Field field, String str) throws SecurityException, NoSuchMethodException,            ClassNotFoundException {        String setMethodName = getFieldOfGetMethod(field, "set");        Class<?> classType = getReflectClass(str);        Method setMethod = classType.getMethod(setMethodName, new Class[] { field.getType() });        return setMethod;    }    /**     *      * @param field     * @param str     * @return     * @throws SecurityException     * @throws NoSuchMethodException     * @throws IllegalArgumentException     * @throws IllegalAccessException     * @throws InvocationTargetException     * @throws ClassNotFoundException     */    public static Object invokeGetMethod(Field field, String str) throws SecurityException, NoSuchMethodException,            IllegalArgumentException, IllegalAccessException, InvocationTargetException, ClassNotFoundException {        Method method = getFieldOfMethod(field, str);        Object value = method.invoke(new Object[] {});        return value;    }    /**     *      * @param field     * @param str     * @param value     * @throws SecurityException     * @throws NoSuchMethodException     * @throws IllegalArgumentException      * @throws IllegalAccessException     * @throws InvocationTargetException     * @throws ClassNotFoundException     */    public static void invokeSetMehtod(Field field, String str, Object value) throws SecurityException, NoSuchMethodException,            IllegalArgumentException, IllegalAccessException, InvocationTargetException, ClassNotFoundException {        Method method = setFieldOfMethod(field, str);        method.invoke(new Object[] { value });    }}

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