content: /*
   * 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.kafka.common.test;
  
  
  import org.apache.kafka.server.fault.FaultHandler;
  import org.apache.kafka.server.fault.FaultHandlerException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * This is a fault handler suitable for use in JUnit tests. It will store the result of the first
   * call to handleFault that was made.
   */
  public class MockFaultHandler implements FaultHandler {
      private static final Logger log = LoggerFactory.getLogger(MockFaultHandler.class);
  
      private final String name;
      private FaultHandlerException firstException = null;
      private boolean ignore = false;
  
      public MockFaultHandler(String name) {
          this.name = name;
      }
  
      @Override
      public synchronized RuntimeException handleFault(String failureMessage, Throwable cause) {
          if (cause == null) {
              log.error("Encountered {} fault: {}", name, failureMessage);
          } else {
              log.error("Encountered {} fault: {}", name, failureMessage, cause);
          }
          FaultHandlerException e = (cause == null) ?
                  new FaultHandlerException(name + ": " + failureMessage) :
                  new FaultHandlerException(name + ": " + failureMessage +
                          ": " + cause.getMessage(), cause);
          if (firstException == null) {
              firstException = e;
          }
          return firstException;
      }
  
      public synchronized void maybeRethrowFirstException() {
          if (firstException != null && !ignore) {
              throw firstException;
          }
      }
  
      public synchronized FaultHandlerException firstException() {
          return firstException;
      }
  
      public synchronized void setIgnore(boolean ignore) {
          this.ignore = ignore;
      }
  }
  