+++ /dev/null
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.yangtools.yang.binding.util;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import com.google.common.base.Joiner;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Supplier;
-
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.ParameterizedType;
-import java.lang.reflect.Type;
-import java.util.Arrays;
-import java.util.List;
-import java.util.concurrent.Callable;
-import java.util.concurrent.locks.Lock;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * @deprecated Use {@link org.opendaylight.yangtools.util.ClassLoaderUtils} instead.
- */
-@Deprecated
-public final class ClassLoaderUtils {
- private static final Logger LOG = LoggerFactory.getLogger(ClassLoaderUtils.class);
-
- private ClassLoaderUtils() {
- throw new UnsupportedOperationException("Utility class");
- }
-
- /**
- *
- * Runs {@link Supplier} with provided {@link ClassLoader}.
- *
- * Invokes supplies function and makes sure that original {@link ClassLoader}
- * is context {@link ClassLoader} after execution.
- *
- * @param cls {@link ClassLoader} to be used.
- * @param function Function to be executed.
- * @return Result of supplier invocation.
- *
- */
- public static <V> V withClassLoader(final ClassLoader cls, final Supplier<V> function) {
- checkNotNull(cls, "Classloader should not be null");
- checkNotNull(function, "Function should not be null");
-
- final ClassLoader oldCls = Thread.currentThread().getContextClassLoader();
- try {
- Thread.currentThread().setContextClassLoader(cls);
- return function.get();
- } finally {
- Thread.currentThread().setContextClassLoader(oldCls);
- }
- }
-
- /**
- *
- * Runs {@link Callable} with provided {@link ClassLoader}.
- *
- * Invokes supplies function and makes sure that original {@link ClassLoader}
- * is context {@link ClassLoader} after execution.
- *
- * @param cls {@link ClassLoader} to be used.
- * @param function Function to be executed.
- * @return Result of callable invocation.
- *
- */
- public static <V> V withClassLoader(final ClassLoader cls, final Callable<V> function) throws Exception {
- checkNotNull(cls, "Classloader should not be null");
- checkNotNull(function, "Function should not be null");
-
- final ClassLoader oldCls = Thread.currentThread().getContextClassLoader();
- try {
- Thread.currentThread().setContextClassLoader(cls);
- return function.call();
- } finally {
- Thread.currentThread().setContextClassLoader(oldCls);
- }
- }
-
- /**
- *
- * Runs {@link Callable} with provided {@link ClassLoader} and Lock.
- *
- * Invokes supplies function after acquiring lock
- * and makes sure that original {@link ClassLoader}
- * is context {@link ClassLoader} and lock is unlocked
- * after execution.
- *
- * @param cls {@link ClassLoader} to be used.
- * @param function Function to be executed.
- * @return Result of Callable invocation.
- *
- */
- public static <V> V withClassLoaderAndLock(final ClassLoader cls, final Lock lock, final Supplier<V> function) {
- checkNotNull(lock, "Lock should not be null");
-
- lock.lock();
- try {
- return withClassLoader(cls, function);
- } finally {
- lock.unlock();
- }
- }
-
- public static Object construct(final Constructor<? extends Object> constructor, final List<Object> objects)
- throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
- final Object[] initargs = objects.toArray();
- return constructor.newInstance(initargs);
- }
-
- /**
- *
- * Loads class using this supplied classloader.
- *
- *
- * @param cls
- * @param name String name of class.
- * @return
- * @throws ClassNotFoundException
- */
- public static Class<?> loadClass(final ClassLoader cls, final String name) throws ClassNotFoundException {
- if ("byte[]".equals(name)) {
- return byte[].class;
- }
- if ("char[]".equals(name)) {
- return char[].class;
- }
-
- try {
- return cls.loadClass(name);
- } catch (ClassNotFoundException e) {
- String[] components = name.split("\\.");
- String potentialOuter;
- int length = components.length;
- if (length > 2 && (potentialOuter = components[length - 2]) != null && Character.isUpperCase(potentialOuter.charAt(0))) {
- String outerName = Joiner.on(".").join(Arrays.asList(components).subList(0, length - 1));
- String innerName = outerName + "$" + components[length-1];
- return cls.loadClass(innerName);
- } else {
- throw e;
- }
- }
- }
-
- public static Class<?> loadClassWithTCCL(final String name) throws ClassNotFoundException {
- return loadClass(Thread.currentThread().getContextClassLoader(), name);
- }
-
- public static Class<?> tryToLoadClassWithTCCL(final String fullyQualifiedName) {
- try {
- return loadClassWithTCCL(fullyQualifiedName);
- } catch (ClassNotFoundException e) {
- LOG.debug("Failed to load class {}", fullyQualifiedName, e);
- return null;
- }
- }
-
- public static <S,G,P> Class<P> findFirstGenericArgument(final Class<S> scannedClass, final Class<G> genericType) {
- return withClassLoader(scannedClass.getClassLoader(), ClassLoaderUtils.<S,G,P>findFirstGenericArgumentTask(scannedClass, genericType));
- }
-
- private static <S,G,P> Supplier<Class<P>> findFirstGenericArgumentTask(final Class<S> scannedClass, final Class<G> genericType) {
- return new Supplier<Class<P>>() {
- @Override
- @SuppressWarnings("unchecked")
- public Class<P> get() {
- final ParameterizedType augmentationGeneric = findParameterizedType(scannedClass, genericType);
- if (augmentationGeneric != null) {
- return (Class<P>) augmentationGeneric.getActualTypeArguments()[0];
- }
- return null;
- }
- };
- }
-
- public static ParameterizedType findParameterizedType(final Class<?> subclass, final Class<?> genericType) {
- Preconditions.checkNotNull(subclass);
- Preconditions.checkNotNull(genericType);
-
- for (Type type : subclass.getGenericInterfaces()) {
- if (type instanceof ParameterizedType && genericType.equals(((ParameterizedType) type).getRawType())) {
- return (ParameterizedType) type;
- }
- }
-
- LOG.debug("Class {} does not declare interface {}", subclass, genericType);
- return null;
- }
-
- public static Type getFirstGenericParameter(final Type type) {
- if (type instanceof ParameterizedType) {
- return ((ParameterizedType) type).getActualTypeArguments()[0];
- }
- return null;
- }
-}