java.nio.file.FileSystems.getFileSystem()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中java.nio.file.FileSystems.getFileSystem()方法的一些代码示例，展示了FileSystems.getFileSystem()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。FileSystems.getFileSystem()方法的具体详情如下：
包路径：java.nio.file.FileSystems
类名称：FileSystems
方法名：getFileSystem

FileSystems.getFileSystem介绍

暂无

代码示例

代码示例来源：origin: Graylog2/graylog2-server

@Override
  public FileSystem load(@Nonnull URI key) throws Exception {
    try {
      return FileSystems.getFileSystem(key);
    } catch (FileSystemNotFoundException e) {
      try {
        return FileSystems.newFileSystem(key, Collections.emptyMap());
      } catch (FileSystemAlreadyExistsException f) {
        return FileSystems.getFileSystem(key);
      }
    }
  }
});

代码示例来源：origin: pmd/pmd

private static FileSystem getFileSystem(URI uri) throws IOException {
  try {
    return FileSystems.getFileSystem(uri);
  } catch (FileSystemNotFoundException e) {
    return FileSystems.newFileSystem(uri, Collections.<String, String>emptyMap());
  }
}

代码示例来源：origin: spring-projects/spring-batch

private void initFileSystem(URI uri) throws IOException {
  try {
    FileSystems.getFileSystem(uri);
  }
  catch (FileSystemNotFoundException e) {
    FileSystems.newFileSystem(uri, Collections.emptyMap());
  }
  catch (IllegalArgumentException e) {
    FileSystems.getDefault();
  }
}

代码示例来源：origin: googleapis/google-cloud-java

public static void main(String... args) throws IOException {
  FileSystem fs = FileSystems.getFileSystem(URI.create("gs://bucket"));
  byte[] data = "hello world".getBytes(StandardCharsets.UTF_8);
  Path path = fs.getPath("/object");
  Files.write(path, data);
  List<String> lines = Files.readAllLines(path, StandardCharsets.UTF_8);
 }
}

代码示例来源：origin: googleapis/google-cloud-java

private static void checkGcs() {
  FileSystem fs = FileSystems.getFileSystem(URI.create("gs://domain-registry-alpha"));
  System.out.println("Success! We can instantiate a gs:// filesystem.");
  System.out.println("isOpen: " + fs.isOpen());
  System.out.println("isReadOnly: " + fs.isReadOnly());
 }
}

代码示例来源：origin: micronaut-projects/micronaut-core

try {
  try {
    fileSystem = FileSystems.getFileSystem(uri);
  } catch (FileSystemNotFoundException e) {
    fileSystem = FileSystems.newFileSystem(uri, Collections.emptyMap(), classLoader);

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testResolve_willWorkWithRecursiveCopy() throws IOException {
 // See: http://stackoverflow.com/a/10068306
 try (FileSystem fsSource = FileSystems.getFileSystem(URI.create("gs://hello"));
   FileSystem fsTarget = FileSystems.getFileSystem(URI.create("gs://cat"))) {
  Path targetPath = fsTarget.getPath("/some/folder/");
  Path relSrcPath = fsSource.getPath("file.txt");
  assertThat((Object) targetPath.resolve(relSrcPath))
    .isEqualTo(fsTarget.getPath("/some/folder/file.txt"));
 }
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testRelativize_willWorkWithRecursiveCopy() throws IOException {
 // See: http://stackoverflow.com/a/10068306
 try (FileSystem fsSource = FileSystems.getFileSystem(URI.create("gs://hello"));
   FileSystem fsTarget = FileSystems.getFileSystem(URI.create("gs://cat"))) {
  Path targetPath = fsTarget.getPath("/some/folder/");
  Path sourcePath = fsSource.getPath("/sloth/");
  Path file = fsSource.getPath("/sloth/file.txt");
  assertThat((Object) targetPath.resolve(sourcePath.relativize(file)))
    .isEqualTo(fsTarget.getPath("/some/folder/file.txt"));
 }
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testExists_false() throws IOException {
 try (FileSystem fs = FileSystems.getFileSystem(URI.create("gs://bucket"))) {
  assertThat(Files.exists(fs.getPath("/angel"))).isFalse();
 }
}

代码示例来源：origin: kaaproject/kaa

protected String readSchemaFileAsString(String filePath) throws IOException {
 try {
  URI uri = this.getClass().getClassLoader().getResource(filePath).toURI();
  String[] array = uri.toString().split("!");
  Path path;
  if (array.length > 1) {
   LOG.info("Creating fs for {}", array[0]);
   FileSystem fs;
   try {
    fs = FileSystems.newFileSystem(URI.create(array[0]), new HashMap<String, String>());
   } catch (FileSystemAlreadyExistsException e) {
    fs = FileSystems.getFileSystem(URI.create(array[0]));
   }
   path = fs.getPath(array[1]);
  } else {
   path = Paths.get(uri);
  }
  return new String(Files.readAllBytes(path));
 } catch (URISyntaxException e) {
  LOG.error("Can't generate configs {}", e);
 }
 return null;
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testIsDirectory() throws Exception {
 try (FileSystem fs = FileSystems.getFileSystem(URI.create("gs://doodle"))) {
  assertThat(Files.isDirectory(fs.getPath(""))).isTrue();
  assertThat(Files.isDirectory(fs.getPath("/"))).isTrue();
  assertThat(Files.isDirectory(fs.getPath("."))).isTrue();
  assertThat(Files.isDirectory(fs.getPath("./"))).isTrue();
  assertThat(Files.isDirectory(fs.getPath("cat/.."))).isTrue();
  assertThat(Files.isDirectory(fs.getPath("hello/cat/.."))).isTrue();
  assertThat(Files.isDirectory(fs.getPath("cat/../"))).isTrue();
  assertThat(Files.isDirectory(fs.getPath("hello/cat/../"))).isTrue();
 }
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testEquals() throws IOException {
 try (FileSystem bucket1 = CloudStorageFileSystem.forBucket("bucket");
   FileSystem bucket2 = FileSystems.getFileSystem(URI.create("gs://bucket"));
   FileSystem doge1 = CloudStorageFileSystem.forBucket("doge");
   FileSystem doge2 = FileSystems.getFileSystem(URI.create("gs://doge"))) {
  new EqualsTester()
    .addEqualityGroup(bucket1, bucket2)
    .addEqualityGroup(doge1, doge2)
    .testEquals();
 }
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testNullness() throws Exception {
 try (FileSystem fs = FileSystems.getFileSystem(URI.create("gs://blood"))) {
  NullPointerTester tester = new NullPointerTester();
  tester.ignore(CloudStorageFileSystemProvider.class.getMethod("equals", Object.class));
  tester.setDefault(URI.class, URI.create("gs://blood"));
  tester.setDefault(Path.class, fs.getPath("and/one"));
  tester.setDefault(OpenOption.class, CREATE);
  tester.setDefault(CopyOption.class, COPY_ATTRIBUTES);
  tester.testAllPublicStaticMethods(CloudStorageFileSystemProvider.class);
  tester.testAllPublicInstanceMethods(new CloudStorageFileSystemProvider());
 }
}

代码示例来源：origin: googleapis/google-cloud-java

@Test
public void testNullness() throws IOException, NoSuchMethodException, SecurityException {
 try (FileSystem fs = FileSystems.getFileSystem(URI.create("gs://bucket"))) {
  NullPointerTester tester =
    new NullPointerTester()
      .ignore(CloudStorageFileSystem.class.getMethod("equals", Object.class))
      .setDefault(CloudStorageConfiguration.class, CloudStorageConfiguration.DEFAULT)
      .setDefault(StorageOptions.class, LocalStorageHelper.getOptions());
  tester.testAllPublicStaticMethods(CloudStorageFileSystem.class);
  tester.testAllPublicInstanceMethods(fs);
 }
}

代码示例来源：origin: pf4j/pf4j

private static FileSystem getFileSystem(URI uri) throws IOException {
  try {
    return FileSystems.getFileSystem(uri);
  } catch (FileSystemNotFoundException e) {
    return FileSystems.newFileSystem(uri, Collections.<String, String>emptyMap());
  }
}

代码示例来源：origin: opensourceBIM/BIMserver

public FileSystem getOrCreateFileSystem(URI uri) throws IOException {
  FileSystem fileSystem = null;
  try {
    fileSystem = FileSystems.getFileSystem(uri);
  } catch (FileSystemNotFoundException e) {
    Map<String, String> env = new HashMap<>();
    env.put("create", "true");
    fileSystem = FileSystems.newFileSystem(uri, env, null);
    LOGGER.debug("Created VFS for " + uri);
  }
  return fileSystem;
}

代码示例来源：origin: schemaspy/schemaspy

private void ensureFileSystemExists(URL url) throws URISyntaxException, IOException {
    try {
      FileSystems.getFileSystem(url.toURI());
    } catch (FileSystemNotFoundException notFound) {
      FileSystems.newFileSystem(url.toURI(), Collections.singletonMap("create","false"));
    }
  }
}

代码示例来源：origin: winder/Universal-G-Code-Sender

try {
  fileSystem = FileSystems.getFileSystem(location);
} catch (FileSystemNotFoundException e) {

代码示例来源：origin: boonproject/boon

private static void eachLine( String location, URI uri, EachLine eachLine ) throws Exception {
  try {
    FileSystem fileSystem = FileSystems.getFileSystem( uri );
    Path fsPath = fileSystem.getPath( location );
    BufferedReader buf = Files.newBufferedReader( fsPath, DEFAULT_CHARSET );
    eachLine( buf, eachLine );
  } catch ( ProviderNotFoundException ex ) {
    eachLine( uri.toURL().openStream(), eachLine );
  }
}

代码示例来源：origin: boonproject/boon

private static void eachLine( String location, URI uri, EachLine eachLine ) throws Exception {
  try {
    FileSystem fileSystem = FileSystems.getFileSystem( uri );
    Path fsPath = fileSystem.getPath( location );
    BufferedReader buf = Files.newBufferedReader( fsPath, DEFAULT_CHARSET );
    eachLine( buf, eachLine );
  } catch ( ProviderNotFoundException ex ) {
    eachLine( uri.toURL().openStream(), eachLine );
  }
}

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