binding/mdsal-binding-generator-impl/src/main/java/org/opendaylight/mdsal/binding/generator/impl/GeneratedClassLoadingStrategy.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.mdsal.binding.generator.impl;
   9
  10 import org.eclipse.jdt.annotation.NonNull;
  11 import org.opendaylight.mdsal.binding.generator.api.ClassLoadingStrategy;
  12 import org.opendaylight.mdsal.binding.model.api.Type;
  13 import org.opendaylight.yangtools.util.ClassLoaderUtils;
  14
  15 public abstract class GeneratedClassLoadingStrategy implements ClassLoadingStrategy {
  16     private static final class AlwaysFailClassLoadingStrategy extends GeneratedClassLoadingStrategy {
  17         static final @NonNull AlwaysFailClassLoadingStrategy INSTANCE = new AlwaysFailClassLoadingStrategy();
  18
  19         @Override
  20         public Class<?> loadClass(final String fullyQualifiedName) throws ClassNotFoundException {
  21             throw new ClassNotFoundException(fullyQualifiedName);
  22         }
  23     }
  24
  25     private static final class TCCLClassLoadingStrategy extends GeneratedClassLoadingStrategy {
  26         static final @NonNull TCCLClassLoadingStrategy INSTANCE = new TCCLClassLoadingStrategy();
  27
  28         @Override
  29         public Class<?> loadClass(final String fullyQualifiedName) throws ClassNotFoundException {
  30             return ClassLoaderUtils.loadClassWithTCCL(fullyQualifiedName);
  31         }
  32     }
  33
  34     protected GeneratedClassLoadingStrategy() {
  35
  36     }
  37
  38     public static final @NonNull GeneratedClassLoadingStrategy getTCCLClassLoadingStrategy() {
  39         return TCCLClassLoadingStrategy.INSTANCE;
  40     }
  41
  42     public static final @NonNull GeneratedClassLoadingStrategy getAlwaysFailClassLoadingStrategy() {
  43         return AlwaysFailClassLoadingStrategy.INSTANCE;
  44     }
  45
  46     @Override
  47     public Class<?> loadClass(final Type type) throws ClassNotFoundException {
  48         return loadClass(type.getFullyQualifiedName());
  49     }
  50 }