content: package net.sf.expectit;
  
  /*
   * #%L
   * ExpectIt
   * %%
   * Copyright (C) 2014 Alexey Gavrilov and contributors
   * %%
   * 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.
   * #L%
   */
  
  import java.util.concurrent.Executors;
  import java.util.concurrent.ThreadFactory;
  
  /**
   * An executor thread factory which adds a prefix to the default thread name generated by
   * {@link java.util.concurrent.Executors#defaultThreadFactory()}.
   */
  final class NamedExecutorThreadFactory implements ThreadFactory {
      private final ThreadFactory defaultFactory = Executors.defaultThreadFactory();
      private final String prefix;
  
      /**
       * Constructor.
       *
       * @param prefix the string to prepend to the default thread name.
       */
      NamedExecutorThreadFactory(String prefix) {
          this.prefix = prefix;
      }
  
      @Override
      public Thread newThread(Runnable target) {
          Thread thread = defaultFactory.newThread(target);
          thread.setName(prefix + thread.getName());
          return thread;
      }
  }
  