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NoVerify class is unnecessary

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金戟 2021-02-20 20:51:19 +08:00
parent 6237e19a32
commit a1086ff402
1 changed files with 53 additions and 73 deletions
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126
testable-core/src/main/java/com/alibaba/testable/core/accessor/PrivateAccessor.java
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@ -14,65 +14,11 @@ public class PrivateAccessor {
private static final String KOTLIN_COMPANION_FIELD = "Companion";
public static class NoVerify {
public static <T> T get(Object ref, String field) {
try {
return PrivateAccessor.get(ref, field);
} catch (MemberAccessException e) {
printError(e);
return null;
}
}
public static <T> void set(Object ref, String field, T value) {
try {
PrivateAccessor.set(ref, field, value);
} catch (MemberAccessException e) {
printError(e);
}
}
public static <T> T invoke(Object ref, String method, Object... args) {
try {
return PrivateAccessor.invoke(ref, method, args);
} catch (MemberAccessException e) {
printError(e);
return null;
}
}
public static <T> T getStatic(Class<?> clazz, String field) {
try {
return PrivateAccessor.getStatic(clazz, field);
} catch (MemberAccessException e) {
printError(e);
return null;
}
}
public static <T> void setStatic(Class<?> clazz, String field, T value) {
try {
PrivateAccessor.setStatic(clazz, field, value);
} catch (MemberAccessException e) {
printError(e);
}
}
public static <T> T invokeStatic(Class<?> clazz, String method, Object... args) {
try {
return PrivateAccessor.invokeStatic(clazz, method, args);
} catch (MemberAccessException e) {
printError(e);
return null;
}
}
private static void printError(MemberAccessException e) {
Throwable cause = e.getCause() == null ? e : e.getCause();
System.err.println(cause.toString());
}
}
/**
* 读取任意类的私有字段
* @param ref 目标对象
* @param field 目标字段名
*/
public static <T> T get(Object ref, String field) {
try {
Field declaredField = ref.getClass().getDeclaredField(field);
@ -83,6 +29,12 @@ public class PrivateAccessor {
}
}
/**
* 修改任意类的私有字段（或常量字段）
* @param ref 目标对象
* @param field 目标字段名
* @param value 目标值
*/
public static <T> void set(Object ref, String field, T value) {
try {
Field declaredField = ref.getClass().getDeclaredField(field);
@ -93,6 +45,12 @@ public class PrivateAccessor {
}
}
/**
* 调用任意类的私有方法
* @param ref 目标对象
* @param method 目标方法名
* @param args 方法参数
*/
public static <T> T invoke(Object ref, String method, Object... args) {
try {
Class<?>[] cls = TypeUtil.getClassesFromObjects(args);
@ -108,6 +66,11 @@ public class PrivateAccessor {
throw new MemberAccessException("Private method \"" + method + "\" not found");
}
/**
* 读取任意类的静态私有字段
* @param clazz 目标类型
* @param field 目标字段名
*/
public static <T> T getStatic(Class<?> clazz, String field) {
try {
Field declaredField = clazz.getDeclaredField(field);
@ -118,6 +81,12 @@ public class PrivateAccessor {
}
}
/**
* 修改任意类的静态私有字段（或静态常量字段）
* @param clazz 目标类型
* @param field 目标字段名
* @param value 目标值
*/
public static <T> void setStatic(Class<?> clazz, String field, T value) {
try {
Field declaredField = clazz.getDeclaredField(field);
@ -128,20 +97,12 @@ public class PrivateAccessor {
}
}
public static <T> T construct(Class<?> clazz, Object... args) {
try {
Constructor<?> constructor = TypeUtil.getConstructorByNameAndParameterTypes(clazz.getDeclaredConstructors(),
TypeUtil.getClassesFromObjects(args));
if (constructor != null) {
constructor.setAccessible(true);
return (T)constructor.newInstance(args);
}
} catch (Exception e) {
throw new MemberAccessException("Failed to invoke private constructor of \"" + clazz.getSimpleName() + "\"", e);
}
throw new MemberAccessException("Private static constructor of \"" + clazz.getSimpleName() + "\" not found");
}
/**
* 调用任意类的静态私有方法
* @param clazz 目标类型
* @param method 目标方法名
* @param args 方法参数
*/
public static <T> T invokeStatic(Class<?> clazz, String method, Object... args) {
try {
Class<?>[] cls = TypeUtil.getClassesFromObjects(args);
@ -164,4 +125,23 @@ public class PrivateAccessor {
}
throw new MemberAccessException("Private static method \"" + method + "\" not found");
}
/**
* 访问任意类的私有构造方法
* @param clazz 目标类型
* @param args 构造方法参数
*/
public static <T> T construct(Class<?> clazz, Object... args) {
try {
Constructor<?> constructor = TypeUtil.getConstructorByNameAndParameterTypes(clazz.getDeclaredConstructors(),
TypeUtil.getClassesFromObjects(args));
if (constructor != null) {
constructor.setAccessible(true);
return (T)constructor.newInstance(args);
}
} catch (Exception e) {
throw new MemberAccessException("Failed to invoke private constructor of \"" + clazz.getSimpleName() + "\"", e);
}
throw new MemberAccessException("Private static constructor of \"" + clazz.getSimpleName() + "\" not found");
}
}