logback/logback-1.2.3-getCallerClass.patch

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--- logback-1.2.3/logback-classic/src/main/java/ch/qos/logback/classic/spi/PackagingDataCalculator.java 2019-11-29 12:40:38.797022563 +0100
+++ logback-1.2.3/logback-classic/src/main/java/ch/qos/logback/classic/spi/PackagingDataCalculator.java 2019-11-29 13:11:30.783272712 +0100
@@ -17,7 +17,8 @@
import java.security.CodeSource;
import java.util.HashMap;
-import sun.reflect.Reflection;
+import java.lang.reflect.Method;
+import java.lang.reflect.InvocationTargetException;
// import java.security.AccessControlException; import java.security.AccessController;import java.security.PrivilegedAction;
/**
@@ -32,27 +33,6 @@
HashMap<String, ClassPackagingData> cache = new HashMap<String, ClassPackagingData>();
- private static boolean GET_CALLER_CLASS_METHOD_AVAILABLE = false; // private static boolean
- // HAS_GET_CLASS_LOADER_PERMISSION = false;
-
- static {
- // if either the Reflection class or the getCallerClass method
- // are unavailable, then we won't invoke Reflection.getCallerClass()
- // This approach ensures that this class will *run* on JDK's lacking
- // sun.reflect.Reflection class. However, this class will *not compile*
- // on JDKs lacking sun.reflect.Reflection.
- try {
- Reflection.getCallerClass(2);
- GET_CALLER_CLASS_METHOD_AVAILABLE = true;
- } catch (NoClassDefFoundError e) {
- } catch (NoSuchMethodError e) {
- } catch (UnsupportedOperationException e) {
- } catch (Throwable e) {
- System.err.println("Unexpected exception");
- e.printStackTrace();
- }
- }
-
public void calculate(IThrowableProxy tp) {
while (tp != null) {
populateFrames(tp.getStackTraceElementProxyArray());
@@ -81,8 +61,16 @@
int missfireCount = 0;
for (int i = 0; i < commonFrames; i++) {
Class callerClass = null;
- if (GET_CALLER_CLASS_METHOD_AVAILABLE) {
- callerClass = Reflection.getCallerClass(localFirstCommon + i - missfireCount + 1);
+ try {
+ Class<?> reflect = Class.forName("sun.reflect.Reflection");
+ Method getCallerClass = reflect.getMethod("getCallerClass",Integer.TYPE);
+ callerClass = (Class<?>)(getCallerClass.invoke(null, localFirstCommon + i - missfireCount + 1));
+ } catch (ClassNotFoundException e) {
+ } catch (NoSuchMethodException e) {
+ } catch (IllegalAccessException e) {
+ } catch (InvocationTargetException e) {
+ System.err.println("Unexpected exception");
+ e.printStackTrace();
}
StackTraceElementProxy step = stepArray[stepFirstCommon + i];
String stepClassname = step.ste.getClassName();