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package jnidemo.hlq.com.hookdemo;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class Reflex {
/**
* 获取无参构造函数
* @param className
* @return
*/
public static Object createObject(String className) {
Class[] pareTyples = new Class[]{};
Object[] pareVaules = new Object[]{};
try {
Class r = Class.forName(className);
return createObject(r, pareTyples, pareVaules);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取无参构造方法
* @param clazz
* @return
*/
public static Object createObject(Class clazz) {
Class[] pareTyple = new Class[]{};
Object[] pareVaules = new Object[]{};
return createObject(clazz, pareTyple, pareVaules);
}
/**
* 获取一个参数的构造函数 已知className
*
* @param className
* @param pareTyple
* @param pareVaule
* @return
*/
public static Object createObject(String className, Class pareTyple, Object pareVaule) {
Class[] pareTyples = new Class[]{pareTyple};
Object[] pareVaules = new Object[]{pareVaule};
try {
Class r = Class.forName(className);
return createObject(r, pareTyples, pareVaules);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取单个参数的构造方法 已知类
*
* @param clazz
* @param pareTyple
* @param pareVaule
* @return
*/
public static Object createObject(Class clazz, Class pareTyple, Object pareVaule) {
Class[] pareTyples = new Class[]{pareTyple};
Object[] pareVaules = new Object[]{pareVaule};
return createObject(clazz, pareTyples, pareVaules);
}
/**
* 获取多个参数的构造方法 已知className
* @param className
* @param pareTyples
* @param pareVaules
* @return
*/
public static Object createObject(String className, Class[] pareTyples, Object[] pareVaules) {
try {
Class r = Class.forName(className);
return createObject(r, pareTyples, pareVaules);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取构造方法
*
* @param clazz
* @param pareTyples
* @param pareVaules
* @return
*/
public static Object createObject(Class clazz, Class[] pareTyples, Object[] pareVaules) {
try {
Constructor ctor = clazz.getDeclaredConstructor(pareTyples);
ctor.setAccessible(true);
return ctor.newInstance(pareVaules);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 获取多个参数的方法
* @param obj
* @param methodName
* @param pareTyples
* @param pareVaules
* @return
*/
public static Object invokeInstanceMethod(Object obj, String methodName, Class[] pareTyples, Object[] pareVaules) {
if (obj == null) {
return null;
}
try {
//调用一个private方法 //在指定类中获取指定的方法
Method method = obj.getClass().getDeclaredMethod(methodName, pareTyples);
method.setAccessible(true);
return method.invoke(obj, pareVaules);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 获取一个参数的方法
* @param obj
* @param methodName
* @param pareTyple
* @param pareVaule
* @return
*/
public static Object invokeInstanceMethod(Object obj, String methodName, Class pareTyple, Object pareVaule) {
Class[] pareTyples = {pareTyple};
Object[] pareVaules = {pareVaule};
return invokeInstanceMethod(obj, methodName, pareTyples, pareVaules);
}
/**
* 获取无参方法
* @param obj
* @param methodName
* @return
*/
public static Object invokeInstanceMethod(Object obj, String methodName) {
Class[] pareTyples = new Class[]{};
Object[] pareVaules = new Object[]{};
return invokeInstanceMethod(obj, methodName, pareTyples, pareVaules);
}
/**
* 无参静态方法
* @param className
* @param method_name
* @return
*/
public static Object invokeStaticMethod(String className, String method_name) {
Class[] pareTyples = new Class[]{};
Object[] pareVaules = new Object[]{};
return invokeStaticMethod(className, method_name, pareTyples, pareVaules);
}
/**
* 获取一个参数的静态方法
* @param className
* @param method_name
* @param pareTyple
* @param pareVaule
* @return
*/
public static Object invokeStaticMethod(String className, String method_name, Class pareTyple, Object pareVaule) {
Class[] pareTyples = new Class[]{pareTyple};
Object[] pareVaules = new Object[]{pareVaule};
return invokeStaticMethod(className, method_name, pareTyples, pareVaules);
}
/**
* 获取多个参数的静态方法
* @param className
* @param method_name
* @param pareTyples
* @param pareVaules
* @return
*/
public static Object invokeStaticMethod(String className, String method_name, Class[] pareTyples, Object[] pareVaules) {
try {
Class obj_class = Class.forName(className);
return invokeStaticMethod(obj_class, method_name, pareTyples, pareVaules);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 无参静态方法
* @param method_name
* @return
*/
public static Object invokeStaticMethod(Class clazz, String method_name) {
Class[] pareTyples = new Class[]{};
Object[] pareVaules = new Object[]{};
return invokeStaticMethod(clazz, method_name, pareTyples, pareVaules);
}
/**
* 一个参数静态方法
* @param clazz
* @param method_name
* @param classType
* @param pareVaule
* @return
*/
public static Object invokeStaticMethod(Class clazz, String method_name, Class classType, Object pareVaule) {
Class[] classTypes = new Class[]{classType};
Object[] pareVaules = new Object[]{pareVaule};
return invokeStaticMethod(clazz, method_name, classTypes, pareVaules);
}
/**
* 多个参数的静态方法
* @param clazz
* @param method_name
* @param pareTyples
* @param pareVaules
* @return
*/
public static Object invokeStaticMethod(Class clazz, String method_name, Class[] pareTyples, Object[] pareVaules) {
try {
Method method = clazz.getDeclaredMethod(method_name, pareTyples);
method.setAccessible(true);
return method.invoke(null, pareVaules);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static Object getFieldObject(String className, Object obj, String filedName) {
try {
Class obj_class = Class.forName(className);
return getFieldObject(obj_class, obj, filedName);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
return null;
}
public static Object getFieldObject(Class clazz, Object obj, String filedName) {
try {
Field field = clazz.getDeclaredField(filedName);
field.setAccessible(true);
// 当filedName是静态属性时 obj可以为null
return field.get(obj);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static void setFieldObject(Class clazz, Object obj, String filedName, Object filedVaule) {
try {
Field field = clazz.getDeclaredField(filedName);
field.setAccessible(true);
field.set(obj, filedVaule);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void setFieldObject(String className, Object obj, String filedName, Object filedVaule) {
try {
Class obj_class = Class.forName(className);
setFieldObject(obj_class, obj, filedName, filedVaule);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
public static Object getStaticFieldObject(String className, String filedName) {
return getFieldObject(className, null, filedName);
}
public static Object getStaticFieldObject(Class clazz, String filedName) {
return getFieldObject(clazz, null, filedName);
}
public static void setStaticFieldObject(String classname, String filedName, Object filedVaule) {
setFieldObject(classname, null, filedName, filedVaule);
}
public static void setStaticFieldObject(Class clazz, String filedName, Object filedVaule) {
setFieldObject(clazz, null, filedName, filedVaule);
}
}
