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.dataformat.zipfile.springboot;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.FileWriter;
  import java.io.IOException;
  import java.util.Iterator;
  import java.util.zip.ZipEntry;
  import java.util.zip.ZipOutputStream;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.EndpointInject;
  import org.apache.camel.Exchange;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.dataformat.zipfile.ZipFileDataFormat;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.test.annotation.DirtiesContext;
  import org.apache.camel.test.junit5.TestSupport;
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  
  @DirtiesContext
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, ZipFileSplitOneFileTest.class,
          ZipFileSplitOneFileTest.TestConfiguration.class })
  public class ZipFileSplitOneFileTest {
  
      @Autowired
      ProducerTemplate template;
  
      @Autowired
      CamelContext context;
  
      @EndpointInject("mock:end")
      MockEndpoint mockEnd;
  
      @EndpointInject("mock:input")
      MockEndpoint mockInput;
  
      @BeforeEach
      public void setUp() throws Exception {
          TestSupport.deleteDirectory("target/zip-unmarshal");
  
      }
  
      @Test
      public void testZipFileUnmarshal() throws Exception {
          mockInput.expectedHeaderReceived(Exchange.FILE_NAME_ONLY, "test.zip");
          mockEnd.expectedBodiesReceived("Hello World");
  
          createZipFile("Hello World");
          mockEnd.assertIsSatisfied();
          mockInput.assertIsSatisfied();
      }
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public static class TestConfiguration {
  
          @Bean
          public RouteBuilder routeBuilder() {
              return new RouteBuilder() {
                  @Override
                  public void configure() {
                      ZipFileDataFormat zf = new ZipFileDataFormat();
                      zf.setUsingIterator(true);
  
                      from("file://target/zip-unmarshal?noop=true&include=.*zip").to("mock:input").unmarshal(zf)
                              .split(bodyAs(Iterator.class)).streaming().convertBodyTo(String.class).to("mock:end").end();
                  }
              };
          }
      }
  
      private void createZipFile(String content) throws IOException {
          String basePath = "target" + File.separator + "zip-unmarshal" + File.separator;
          File file = new File(basePath + "test.txt");
          file.getParentFile().mkdirs();
  
          try (FileWriter fw = new FileWriter(file); FileOutputStream fos = new FileOutputStream(basePath + "test.zip");
                  ZipOutputStream zos = new ZipOutputStream(fos);
                  FileInputStream fis = new FileInputStream(basePath + "test.txt")) {
  
              fw.write(content);
              fw.close();
  
              ZipEntry entry = new ZipEntry("test.txt");
              zos.putNextEntry(entry);
  
              int len;
              byte[] buffer = new byte[1024];
  
              while ((len = fis.read(buffer)) > 0) {
                  zos.write(buffer, 0, len);
              }
  
              zos.closeEntry();
          }
      }
  
  }
  