content: package org.apache.archiva.common.filelock;
  
  /*
   * 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.
   */
  
  import edu.umd.cs.mtc.MultithreadedTestCase;
  import edu.umd.cs.mtc.TestFramework;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.test.context.ContextConfiguration;
  import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import java.io.IOException;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.nio.file.StandardCopyOption;
  import java.util.concurrent.atomic.AtomicInteger;
  
  //import org.apache.commons.io.IOUtils;
  
  /**
   * @author Olivier Lamy
   */
  @RunWith(SpringJUnit4ClassRunner.class)
  @ContextConfiguration(locations = {"classpath*:/META-INF/spring-context.xml"})
  public class DefaultFileLockManagerTest {
  
      final Logger logger = LoggerFactory.getLogger(getClass());
  
      @Inject
      @Named(value = "fileLockManager#default")
      FileLockManager fileLockManager;
  
      class ConcurrentFileWrite
              extends MultithreadedTestCase {
  
  
          AtomicInteger success = new AtomicInteger(0);
  
          FileLockManager fileLockManager;
  
          Path file = Paths.get(System.getProperty("buildDirectory"), "foo.txt");
  
          Path largeJar = Paths.get(System.getProperty("basedir"), "src/test/cassandra-all-2.0.3.jar");
  
          ConcurrentFileWrite(FileLockManager fileLockManager)
                  throws IOException {
              this.fileLockManager = fileLockManager;
              //file.createNewFile();
  
          }
  
          @Override
          public void initialize() {
  
          }
  
          // Files.copy is not atomic so have to try several times in
          // a multithreaded test
          private void copyFile(Path source, Path destination) {
              int attempts = 10;
              boolean finished = false;
              while (!finished && attempts-- > 0) {
                  try {
                      Files.copy(source, destination, StandardCopyOption.REPLACE_EXISTING,
                              StandardCopyOption.COPY_ATTRIBUTES);
                      finished = true;
                  } catch (IOException ex) {
                      //
                  }
              }
          }
  
          public void thread1()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread1");
                  Lock lock = fileLockManager.writeFileLock(this.file);
                  try {
                      Files.deleteIfExists(lock.getFile());
                      copyFile(largeJar, lock.getFile());
                  } finally {
                      fileLockManager.release(lock);
                  }
                  logger.info("thread1 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
          }
  
          public void thread2()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread2");
                  Lock lock = fileLockManager.writeFileLock(this.file);
                  try {
                      Files.deleteIfExists(lock.getFile());
                      copyFile(largeJar, lock.getFile());
                  } finally {
                      fileLockManager.release(lock);
                  }
                  logger.info("thread2 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
          public void thread3()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread3");
                  Lock lock = fileLockManager.readFileLock(this.file);
                  Path outFile = null;
                  try {
                      outFile = Files.createTempFile("foo", ".jar");
                      Files.copy(lock.getFile(),
                              Files.newOutputStream(outFile));
                  } finally {
                      fileLockManager.release(lock);
                      if (outFile!=null) Files.delete( outFile );
                  }
                  logger.info("thread3 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
          public void thread4()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread4");
                  Lock lock = fileLockManager.writeFileLock(this.file);
                  try {
                      Files.deleteIfExists(lock.getFile());
                      copyFile(largeJar, lock.getFile());
                  } finally {
                      fileLockManager.release(lock);
                  }
                  logger.info("thread4 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
          public void thread5()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread5");
                  Lock lock = fileLockManager.writeFileLock(this.file);
                  try {
                      Files.deleteIfExists(lock.getFile());
                      copyFile(largeJar, lock.getFile());
                  } finally {
                      fileLockManager.release(lock);
                  }
                  logger.info("thread5 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
          public void thread6()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread6");
                  Lock lock = fileLockManager.readFileLock(this.file);
                  Path outFile = null;
                  try {
                      outFile = Files.createTempFile("foo", ".jar");
                      Files.copy(lock.getFile(), Files.newOutputStream( outFile ));
                  } finally {
                      fileLockManager.release(lock);
                      if (outFile!=null) Files.delete( outFile );
                  }
                  logger.info("thread6 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
          public void thread7()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread7");
                  Lock lock = fileLockManager.writeFileLock(this.file);
                  try {
                      Files.deleteIfExists(lock.getFile());
                      copyFile(largeJar, lock.getFile());
                  } finally {
                      fileLockManager.release(lock);
                  }
                  logger.info("thread7 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
          public void thread8()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread8");
                  Lock lock = fileLockManager.readFileLock(this.file);
                  Path outFile = null;
                  try {
                      outFile = Files.createTempFile("foo", ".jar");
                      Files.copy(lock.getFile(), Files.newOutputStream( outFile ));
                  } finally {
                      fileLockManager.release(lock);
                      if (outFile!=null) Files.delete( outFile );
                  }
                  logger.info("thread8 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
          public void thread9()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread9");
                  Lock lock = fileLockManager.writeFileLock(this.file);
                  try {
                      Files.deleteIfExists(lock.getFile());
                      copyFile(largeJar, lock.getFile());
                  } finally {
                      fileLockManager.release(lock);
                  }
                  logger.info("thread9 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
          }
  
          public void thread10()
                  throws FileLockException, FileLockTimeoutException, IOException {
              try {
                  logger.info("thread10");
                  Lock lock = fileLockManager.readFileLock(this.file);
                  Path outFile = null;
                  try {
                      outFile = Files.createTempFile("foo", ".jar");
                      Files.copy(lock.getFile(), Files.newOutputStream( outFile ));
                  } finally {
                      fileLockManager.release(lock);
                      if (outFile!=null) Files.delete(outFile);
                  }
                  logger.info("thread10 ok");
                  success.incrementAndGet();
              } catch (Throwable e) {
                  logger.error("Error occured {}", e.getMessage());
                  e.printStackTrace();
                  throw e;
              }
  
          }
  
  
      }
  
  
      @Before
      public void initialize() {
          fileLockManager.setSkipLocking(false);
          fileLockManager.clearLockFiles();
      }
  
      @Test
      public void testWrite()
              throws Throwable {
          ConcurrentFileWrite concurrentFileWrite = new ConcurrentFileWrite(fileLockManager);
          //concurrentFileWrite.setTrace( true );
          TestFramework.runManyTimes(concurrentFileWrite, 10, TestFramework.DEFAULT_CLOCKPERIOD, 20);
          logger.info("success: {}", concurrentFileWrite.success);
          Assert.assertEquals(100, concurrentFileWrite.success.intValue());
      }
  
  
  }
  