![\"\"](\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2018\/09\/800px-Proxy_pattern_diagram.svg_.png\")
<\/p>\n<\/p>\n
\uc77c\ubc18\uc801\uc73c\ub85c \ub300\ub9ac\uc790\/\ub300\ub9ac\uc778\uc744 \uc758\ubbf8\ud558\uba70, \uc790\ubc14\uc5d0\uc11c\ub294 \ud0c0\uac9f\uc744 \uac10\uc2f8\uc11c \ud0c0\uac9f\uc744 \uc694\uccad\uc744 \ub300\uc2e0 \ubc1b\uc544\uc8fc\ub294 Wrapping Object\ub97c \ub73b\ud569\ub2c8\ub2e4. Proxy \ud328\ud134\uc740 \ub514\uc790\uc778 \ud328\ud134\uc758 \uc77c\uc885\uc73c\ub85c \uc790\ubc14\uc758 Reflect \ud328\ud0a4\uc9c0\uc5d0 \uc788\ub294 Proxy\ub97c \uc774\uc6a9\ud558\uc5ec \uc6d0\ub798 \uac1d\uccb4\uc758 \ubcc0\uacbd \uc5c6\uc774 \uae30\ub2a5\uc744 \ud2b9\uc815 \ubc29\uc2dd\uc73c\ub85c \uc81c\uc5b4 \ud558\ub294 \uad6c\uc870\ub97c \uc81c\uc548\ud569\ub2c8\ub2e4.<\/p>\n
Reflection(\ub9ac\ud50c\ub809\uc158)\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\ub824\uba74 \uc774\uc804 \ud3ec\uc2a4\ud2b8<\/a>\ub97c \ucc38\uace0\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n AOP\ub294 \ud55c\uad6d\ub9d0\ub85c \uad00\uc810(\uad00\uc2ec) \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc785\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8\uc758 \uad6c\uc870\ub97c \ubc14\ub77c\ubcf4\ub294 \uad00\uc810\uc744 \ubc14\uafb8\uc5b4 \ud504\ub85c\uadf8\ub798\ubc0d\ud569\ub2c8\ub2e4.<\/p>\n \uae30\ub2a5\uc744 \ud575\uc2ec \ube44\uc9c0\ub2c8\uc2a4 \ub85c\uc9c1\uacfc \uacf5\ud1b5 \ubaa8\ub4c8\ub85c \uad6c\ubd84\ud558\uace0, \ud575\uc2ec \ub85c\uc9c1\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uace0 \uadf8 \uc0ac\uc774\uc0ac\uc774\uc5d0 \uacf5\ud1b5 \ubaa8\ub4c8\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc798 \ub07c\uc6cc\ub123\ub3c4\ub85d \ud558\ub294 \uac1c\ubc1c \ubc29\ubc95\ub860\uc785\ub2c8\ub2e4<\/p>\n \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc804\uccb4\uc5d0 \uac78\uccd0 \uc0ac\uc6a9\ub418\ub294 \uae30\ub2a5\uc744 \uc7ac\uc0ac\uc6a9\ud558\ub3c4\ub85d \ud558\uba70,\u00a0\ud504\ub85c\uc81d\ud2b8\uc758 \uad6c\uc870\ub97c \ubc14\ub77c\ubcf4\ub294 \uad00\uc810\uc744 \ubc14\uafb8\uc5b4 \ud504\ub85c\uadf8\ub798\ubc0d\ud55c\ub2e4\ub294 \uc810 \uc785\ub2c8\ub2e4.<\/p>\n Proxy\ub97c \uc774\uc6a9\ud558\uc5ec AOP\ub97c \uad6c\ud604\ud574 \ubcf4\ub3c4\ub85d \ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n java.lang.reflect.Proxy\ud074\ub798\uc2a4\ub294 \ub3d9\uc801 \ud504\ub85d\uc2dc \ud074\ub798\uc2a4\ub97c \ub9cc\ub4e4\uae30 \uc704\ud55c \uc815\uc801 \uba54\uc18c\ub4dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n InvocationHandler\ub294 \uc790\ubc14 Reflect \ud328\ud0a4\uc9c0\uc5d0 \ud3ec\ud568\ub41c \uc778\ud130\ud398\uc774\uc2a4\uc911 \ud558\ub098\ub85c \uc0ac\uc6a9\uc790\uc5d0 \uc758\ud574 \uad6c\ud604\ub418\uc5b4, \ub3d9\uc801 \ud504\ub85d\uc2dc \ud074\ub798\uc2a4\uc758 \uba54\uc18c\ub4dc\ub97c invoke(\ud638\ucd9c) \ud569\ub2c8\ub2e4.<\/p>\n Note:\uc548\ub4dc\ub85c\uc774\ub4dc \ud504\ub808\uc784\uc6cc\ud06c\uac00 \ud544\uc694\ud55c \uc608\uc81c\ub294 \uc544\ub2c8\uc9c0\ub9cc \uc548\ub4dc\ub85c\uc774\ub4dc \ud504\ub85c\uc81d\ud2b8\ub85c \uc791\uc131\ud588\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n \uc815\uc218\ub97c \ud558\ub098 \uc778\uc790\ub85c \uc785\ub825 \ubc1b\uc544 multiply(\uacf1\uc148)\ub97c \ud558\ub294 \uac04\ub2e8\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4. \uc790\uc138\ud788 \ubcf4\uc2dc\uba74 Multiplier2x\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \ub9cc\ub4e4\uc5c8\uc9c0\ub9cc multiply() \ud638\ucd9c\uc740 \ud504\ub85d\uc2dc\ub97c \ud1b5\ud574\uc11c \ud558\uace0 \uc788\ub294\uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n MyProxyHandler\ub294 InvocationHandler\ub97c \uad6c\ud604\ud55c \ud074\ub798\uc2a4\ub85c \ud0c0\uac9f \uc624\ube0c\uc81d\ud2b8\uc758 \uc774\ubca4\ud2b8\ub97c \ubc1b\uc544 \ub300\uc2e0 invoke() \ud574\uc90d\ub2c8\ub2e4.<\/p>\n \uc774\uc640 \uac19\uc774 \uc2e4\uc81c \uc774\ubca4\ud2b8\uac00 \ubc1c\uc0dd\ud558\uae30 \uc774\uc804\/\uc774\ud6c4\uc5d0 \ud2b9\uc815 \uc561\uc158\uc744 InvocationHandler\ub97c \ud1b5\ud574 \ub07c\uc6cc\ub123\uc744\uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\uc815\uc561\uc158\uc740 \uc11c\ub450\uc5d0 \ub9d0\ud588\ub4ef\uc774 \ub85c\uae45\uc774\ub098\u00a0 \ud2b8\ub79c\uc7ad\uc158, Validation \ub4f1\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n \ud504\ub85d\uc2dc\uc758 \uc0ac\uc6a9 \uc774\ud574\ub97c \ub3d5\uae30\uc704\ud574\ub9cc\ub4e0 \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n \uc0ac\uc6a9\uc790\ub4e4\uc758 \uc571 \uc774\uc6a9 \ud328\ud134\uc744 \uc54c\uc544\ubcf4\uace0\uc790 \uac04\ub2e8\ud788 \ub9ac\uc2f8\uc774\ud074\ub7ec\ubdf0\ub97c \uc774\uc6a9\ud558\uc5ec \ud654\uba74\uc744 \uad6c\uc131\ud558\uc600\uace0, \uc5b4\ub5a4 \uc544\uc774\ud15c\uc744 \ud074\ub9ad\ud558\uc600\uc744 \ub54c \ud504\ub85d\uc2dc\ub97c \ud1b5\ud574 \uc9c4\uc785\uc810\uacfc \uc720\uc800\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc11c\ubc84\ub85c \uc804\uc1a1\ud558\ub294 \ubaa8\uc758 \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n Google Analytics\ub4f1\uacfc \ud568\uaed8 \uc0ac\uc6a9 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n AOP\ub97c \uc704\ud55c Proxy\ud328\ud134\uc740 \ub300\ud45c\uc801\uc73c\ub85c \uc11c\ubc84\ucabd \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\uc758 \uae30\ubcf8\uc774 \ub418\ub294 \uac1c\ub150\uc774\uba70, \ud604\ub300 \ud504\ub808\uc784\uc6cc\ud06c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.\u00a0Dagger2<\/a>, Koin<\/a>\uacfc \uac19\uc740 Dependency Injection \ud504\ub808\uc784\uc6cc\ud06c\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \ubaa8\ub4c8\ud654\ub97c \ud1b5\ud55c \uacf5\ud1b5\ub41c \uae30\ub2a5\uc758 \uc7ac\uc0ac\uc6a9\uc131 \uc99d\uac00\ub85c \uc778\ud574 \ud070 \ud6a8\uacfc\ub97c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \uc774\ud574\uac00 \uc798 \uc548\ub418\ub354\ub77c\ub3c4 \uae30\uc874 \uc18c\uc2a4\ub97c \ud06c\uac8c \uc218\uc815\ud558\uc9c0 \uc54a\uace0 \uac1d\uccb4\uc758 \ud589\ub3d9\uc744 \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c \uc81c\uc5b4 \ud560 \uc218 \uc788\ub2e4\ub294 \uc810\ub9cc \uae30\uc5b5\ud558\uc2dc\uba74 \ub420 \uac83 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\ud504\ub85d\uc2dc \ud328\ud134\uc758 \uc7a5\uc810<\/h3>\n
\n
AOP( Aspect-Oriented Programming)\ub780?<\/h3>\n
\uc790\ubc14\uc5d0\uc11c\uc758 Proxy \ud074\ub798\uc2a4<\/h3>\n
public static Object newProxyInstance(\r\n ClassLoader loader,\r\n Class<?>[] interfaces, \r\n InvocationHandler h\r\n)<\/pre>\n
\n
\uc790\ubc14\uc5d0\uc11c\uc758 InvocationHandler<\/h3>\n
Object invoke(Object proxy, Method m, Object[] args)<\/pre>\n
\n
\uac04\ub2e8\ud55c Dynamic Proxy \uc548\ub4dc\ub85c\uc774\ub4dc \uc608\uc81c\u00a0<\/h1>\n
public class MainActivity extends AppCompatActivity{\r\n\r\n public static final String TAG = MainActivity.class.getSimpleName();\r\n @Override\r\n protected void onCreate(@Nullable Bundle savedInstanceState) {\r\n super.onCreate(savedInstanceState);\r\n Multiplier multiplier = new Multiplier2x();\r\n Multiplier multiplierProxy = (Multiplier) Proxy.newProxyInstance(getClassLoader(), new Class[]{Multiplier.class}, new MyProxyHandler(multiplier));\r\n int result = multiplierProxy.multiply(3);\r\n Log.e(TAG,\"result = \"+result);\r\n }\r\n}<\/pre>\npublic interface Multiplier {\r\n int multiply(int value);\r\n}<\/pre>\npublic class Multiplier2x implements Multiplier {\r\n @Override\r\n public int multiply(int value) {\r\n return value * 2;\r\n }\r\n}\r\n<\/pre>\n
\nMultiplier\uc778\ud130\ud398\uc774\uc2a4\ub97c \uc815\uc758\ud558\uc600\uace0 Multipler2x\uac00 \uc774\ub97c \uad6c\ud604\ud558\uc5ec \uc785\ub825\ub41c \uac12\uc758 2\ubc30\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\npublic class MyProxyHandler implements InvocationHandler {\r\n public static final String TAG = MyProxyHandler.class.getSimpleName();\r\n private Object target;\r\n public MyProxyHandler(Object target){\r\n this.target = target;\r\n }\r\n @Override\r\n public Object invoke(Object o, Method method, Object[] objects) throws Throwable {\r\n Log.e(TAG,\"\uba54\uc18c\ub4dc invoke \ud558\uae30 \uc804\");\r\n int result = (int) method.invoke(target, objects);\r\n Log.e(TAG,\"\uba54\uc18c\ub4dc invoke \ud55c \ud6c4\");\r\n return result;\r\n }\r\n}<\/pre>\n\uc0ac\uc6a9\uc790\uc758 \uc774\uc6a9 \ud328\ud134 \ubd84\uc11d \uc608\uc81c<\/h1>\n
![\"\"](\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2018\/09\/Screenshot_1537348593-576x1024.png\")
<\/h3>\npublic class MainInvocationHandler implements InvocationHandler {\r\n public static final String TAG = MainInvocationHandler.class.getSimpleName();\r\n\r\n private Object target;\r\n public MainInvocationHandler(Object object){\r\n target =object;\r\n }\r\n\r\n @Override\r\n public Object invoke(Object o, Method method, Object[] objects) throws Throwable {\r\n sendPointToEntryToServer();\r\n Object result = method.invoke(target, objects);\r\n\r\n return result;\r\n }\r\n private void sendPointToEntryToServer(){\r\n \/\/ TODO \uc9c4\uc785\uc810 \ud074\ub9ad\uc815\ubcf4\ub97c \uc11c\ubc84\ub85c \uc804\uc1a1\r\n }\r\n}\r\n<\/pre>\nConclusion<\/h1>\n