Affects PMD Version:
6.20.0.
Rule:
DoNotCallSystemExit
Description:
This rule must make an exception if the exit methods are called from main(). This rule could add a property to dissuade System.exit() being called from any method other than main().
package pmdtests;
import java.util.concurrent.ThreadLocalRandom;
public final class ThrowSwitch {
private ThrowSwitch() {
throw new IllegalStateException("Private constructor");
}
@SuppressWarnings({"fallthrough", "PMD.MissingBreakInSwitch"})
public static void main(String... args) {
int errCode = getSimulatedErrorCode();
switch (errCode) {
case 1:
case 2:
case 3:
case 4:
case 5:
throw new AssertionError("Error code: " + errCode);
default:
System.exit(1);
}
}
public static int getSimulatedErrorCode() {
return ThreadLocalRandom.current().nextInt(0, 6);
}
private static void anotherExit() {
System.exit(1);
}
}
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