org.apache.accumulo.start.classloader.vfs.PostDelegatingVFSClassLoader Maven / Gradle / Ivy

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A library for launching Apache Accumulo services.

There is a newer version: 3.0.0

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.accumulo.start.classloader.vfs;

import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileSystemManager;
import org.apache.commons.vfs2.impl.VFSClassLoader;

/**
 *
 */
public class PostDelegatingVFSClassLoader extends VFSClassLoader {

  public PostDelegatingVFSClassLoader(FileObject[] files, FileSystemManager manager, ClassLoader parent) throws FileSystemException {
    super(files, manager, parent);
  }

  @Override
  protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
    Class c = findLoadedClass(name);
    if (c != null)
      return c;
    try {
      // try finding this class here instead of parent
      return findClass(name);
    } catch (ClassNotFoundException e) {

    }
    return super.loadClass(name, resolve);
  }

}