HadoopClassExcluder.java

/*
 * Copyright © 2015 Cask Data, Inc.
 *
 * Licensed 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 co.cask.cdap.common.twill;

import org.apache.twill.api.ClassAcceptor;

import java.net.URL;

/**
 * Exclude hadoop classes
 */
public class HadoopClassExcluder extends ClassAcceptor {

  @Override
  public boolean accept(String className, URL classUrl, URL classPathUrl) {
    // exclude hadoop but not hbase and hive packages
    return !(className.startsWith("org.apache.hadoop")
      && !className.startsWith("org.apache.hadoop.hbase") && !className.startsWith("org.apache.hadoop.hive"));
  }
}