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.mdsal.binding.model.api.Type;
  12 import org.opendaylight.yangtools.util.ClassLoaderUtils;
  13
  14 public abstract class GeneratedClassLoadingStrategy implements ClassLoadingStrategy {
  15
  16     private static final GeneratedClassLoadingStrategy TCCL_STRATEGY = new TCCLClassLoadingStrategy();
  17
  18     private static final GeneratedClassLoadingStrategy ALWAYS_FAIL_STRATEGY = new GeneratedClassLoadingStrategy() {
  19         @Override
  20         public Class<?> loadClass(final String fullyQualifiedName) throws ClassNotFoundException {
  21             throw new ClassNotFoundException(fullyQualifiedName);
  22         }
  23     };
  24
  25     @Override
  26     public Class<?> loadClass(final Type type) throws ClassNotFoundException {
  27         return loadClass(type.getFullyQualifiedName());
  28     }
  29
  30     @Override
  31     public abstract Class<?> loadClass(String fullyQualifiedName) throws ClassNotFoundException;
  32
  33     public static final GeneratedClassLoadingStrategy getTCCLClassLoadingStrategy() {
  34         return TCCL_STRATEGY;
  35     }
  36
  37     public static final GeneratedClassLoadingStrategy getAlwaysFailClassLoadingStrategy() {
  38         return ALWAYS_FAIL_STRATEGY;
  39     }
  40
  41     private static final class TCCLClassLoadingStrategy extends GeneratedClassLoadingStrategy {
  42         @Override
  43         public Class<?> loadClass(final String fullyQualifiedName) throws ClassNotFoundException {
  44             return ClassLoaderUtils.loadClassWithTCCL(fullyQualifiedName);
  45         }
  46     }
  47 }