Depend on iText snapshot. Remove redundant methods from ReflectionUtils

DEVSIX-4170

Author: ars18wrw

pdfocr-tesseract4/src/main/java/com/itextpdf/pdfocr/tesseract4/ReflectionUtils.java

@@ -58,22 +58,6 @@ final class ReflectionUtils {
     private static Map<String, Class<?>> cachedClasses = new HashMap<>();
     private static Map<MethodSignature, AccessibleObject> cachedMethods = new HashMap<>();
 
-    static {
-        try {
-            ContextManager contextManager = ContextManager.getInstance();
-            callMethod(KERNEL_PACKAGE + CONTEXT_MANAGER, REGISTER_GENERIC_CONTEXT, contextManager,
-                    new Class[] {Collection.class, Collection.class},
-                    Collections.singletonList("com.itextpdf.pdfocr"),
-                    Collections.singletonList("com.itextpdf.pdfocr.tesseract4"));
-            callMethod(KERNEL_PACKAGE + CONTEXT_MANAGER, REGISTER_GENERIC_CONTEXT, contextManager,
-                    new Class[] {Collection.class, Collection.class},
-                    Collections.singletonList("com.itextpdf.pdfocr.tesseract4"),
-                    Collections.singletonList("com.itextpdf.pdfocr.tesseract4"));
-        } catch (Exception e) {
-            logger.error(e.getMessage());
-        }
-    }
-
     private ReflectionUtils() {
     }
 
@@ -116,52 +100,6 @@ public static void scheduledCheck() {
         }
     }
 
-    private static Object callMethod(String className, String methodName, Object target, Class[] parameterTypes,
-            Object... args) {
-        try {
-            Method method = findMethod(className, methodName, parameterTypes);
-            return method.invoke(target, args);
-        } catch (NoSuchMethodException e) {
-            logger.warn(MessageFormatUtil.format("Cannot find method {0} for class {1}", methodName, className));
-        } catch (ClassNotFoundException e) {
-            logger.warn(MessageFormatUtil.format("Cannot find class {0}", className));
-        } catch (IllegalArgumentException e) {
-            logger.warn(MessageFormatUtil
-                    .format("Illegal arguments passed to {0}#{1} method call: {2}", className, methodName,
-                            e.getMessage()));
-        } catch (Exception e) {
-            // Converting checked exceptions to unchecked RuntimeException (java-specific comment).
-            //
-            // If kernel utils throws an exception at this point, we consider it as unrecoverable situation for
-            // its callers (pdfOcr methods).
-            // It's might be more suitable to wrap checked exceptions at a bit higher level, but we do it here for
-            // the sake of convenience.
-            throw new RuntimeException(e.toString(), e);
-        }
-        return null;
-    }
-
-    private static Method findMethod(String className, String methodName, Class[] parameterTypes)
-            throws NoSuchMethodException, ClassNotFoundException {
-        MethodSignature tm = new MethodSignature(className, parameterTypes, methodName);
-        Method m = (Method) cachedMethods.get(tm);
-        if (m == null) {
-            m = findClass(className).getDeclaredMethod(methodName, parameterTypes);
-            m.setAccessible(true);
-            cachedMethods.put(tm, m);
-        }
-        return m;
-    }
-
-    private static Class<?> findClass(String className) throws ClassNotFoundException {
-        Class<?> c = cachedClasses.get(className);
-        if (c == null) {
-            c = getClass(className);
-            cachedClasses.put(className, c);
-        }
-        return c;
-    }
-
     private static Class<?> getClass(String className) throws ClassNotFoundException {
         return Class.forName(className);
     }