alibaba/java-dns-cache-manipulator

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields

Classes in the sun.* or com.sun.* packages are considered implementation details, and are not part of the Java API.

They can cause problems when moving to new versions of Java because there is no backwards compatibility guarantee. Similarly, they can cause problems when moving to a different Java vendor, such as OpenJDK.

Such classes are almost always wrapped by Java API classes that should be used instead.

Noncompliant Code Example

import com.sun.jna.Native;     // Noncompliant
import sun.misc.BASE64Encoder; // Noncompliant

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields

This rule raises an issue when reflection is used to change the visibility of a class, method or field, and when it is used to directly update a field value. Altering or bypassing the accessibility of classes, methods, or fields violates the encapsulation principle and could lead to run-time errors.

Noncompliant Code Example

public void makeItPublic(String methodName) throws NoSuchMethodException {

  this.getClass().getMethod(methodName).setAccessible(true); // Noncompliant
}

public void setItAnyway(String fieldName, int value) {
  this.getClass().getDeclaredField(fieldName).setInt(this, value); // Noncompliant; bypasses controls in setter
}

See

• CERT, SEC05-J. - Do not use reflection to increase accessibility of classes, methods, or fields