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.camel.component.mina;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.camel.Endpoint;
  import org.apache.camel.Exchange;
  import org.apache.camel.Producer;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spi.Registry;
  import org.apache.mina.core.filterchain.IoFilter;
  import org.apache.mina.core.filterchain.IoFilterAdapter;
  import org.apache.mina.core.session.IoSession;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * For unit testing the <tt>filters</tt> option.
   */
  public class MinaFiltersTest extends BaseMinaTest {
  
      @Test
      public void testFilterListRef() throws Exception {
          testFilter(String.format("mina:tcp://localhost:%1$s?textline=true&minaLogger=true&sync=false&filters=#myFilters",
                  getPort()));
      }
  
      @Test
      public void testFilterElementRef() throws Exception {
          testFilter(String.format("mina:tcp://localhost:%1$s?textline=true&minaLogger=true&sync=false&filters=#myFilter",
                  getPort()));
      }
  
      @Override
      public void doPostTearDown() {
          TestFilter.called = 0;
      }
  
      private void testFilter(final String uri) throws Exception {
          context.addRoutes(new RouteBuilder() {
  
              public void configure() {
                  from(uri).to("mock:result");
              }
          });
  
          MockEndpoint mock = this.getMockEndpoint("mock:result");
          mock.expectedBodiesReceived("Hello World");
  
          Endpoint endpoint = context.getEndpoint(uri);
          Exchange exchange = endpoint.createExchange();
          Producer producer = endpoint.createProducer();
          producer.start();
  
          // set input and execute it
          exchange.getIn().setBody("Hello World");
          producer.process(exchange);
  
          MockEndpoint.assertIsSatisfied(context);
  
          assertEquals(2, TestFilter.called, "The filter should have been called twice (producer and consumer)");
  
          producer.stop();
      }
  
      @Override
      protected void bindToRegistry(Registry registry) {
          IoFilter myFilter = new TestFilter();
          List<IoFilter> myFilters = new ArrayList<>();
          myFilters.add(myFilter);
  
          registry.bind("myFilters", myFilters);
          registry.bind("myFilter", myFilter);
      }
  
      public static final class TestFilter extends IoFilterAdapter {
  
          public static volatile int called;
  
          @Override
          public void sessionCreated(NextFilter nextFilter, IoSession session) {
              incCalled();
              nextFilter.sessionCreated(session);
          }
  
          public static synchronized void incCalled() {
              called++;
          }
      }
  }
  