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.opendaylight.mdsal.binding.generator.api.ClassLoadingStrategy;
  11 import org.opendaylight.yangtools.util.ClassLoaderUtils;
  12
  13 public abstract class GeneratedClassLoadingStrategy implements ClassLoadingStrategy {
  14
  15     private static final GeneratedClassLoadingStrategy TCCL_STRATEGY = new TCCLClassLoadingStrategy();
  16
  17     private static final GeneratedClassLoadingStrategy ALWAYS_FAIL_STRATEGY = new GeneratedClassLoadingStrategy() {
  18         @Override
  19         public Class<?> loadClass(final String fullyQualifiedName) throws ClassNotFoundException {
  20             throw new ClassNotFoundException(fullyQualifiedName);
  21         }
  22     };
  23
  24     @Override
  25     public abstract Class<?> loadClass(String fullyQualifiedName) throws ClassNotFoundException;
  26
  27     public static final GeneratedClassLoadingStrategy getTCCLClassLoadingStrategy() {
  28         return TCCL_STRATEGY;
  29     }
  30
  31     public static final GeneratedClassLoadingStrategy getAlwaysFailClassLoadingStrategy() {
  32         return ALWAYS_FAIL_STRATEGY;
  33     }
  34
  35     private static final class TCCLClassLoadingStrategy extends GeneratedClassLoadingStrategy {
  36         @Override
  37         public Class<?> loadClass(final String fullyQualifiedName) throws ClassNotFoundException {
  38             return ClassLoaderUtils.loadClassWithTCCL(fullyQualifiedName);
  39         }
  40     }
  41 }