java.nio.file.Files.createSymbolicLink()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中java.nio.file.Files.createSymbolicLink()方法的一些代码示例，展示了Files.createSymbolicLink()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。Files.createSymbolicLink()方法的具体详情如下：
包路径：java.nio.file.Files
类名称：Files
方法名：createSymbolicLink

Files.createSymbolicLink介绍

暂无

代码示例

代码示例来源：origin: google/guava

@Override
 public void run() {
  boolean createSymlink = false;
  while (!Thread.interrupted()) {
   try {
    // trying to switch between a real directory and a symlink (dir -> /a)
    if (Files.deleteIfExists(file)) {
     if (createSymlink) {
      Files.createSymbolicLink(file, target);
     } else {
      Files.createDirectory(file);
     }
     createSymlink = !createSymlink;
    }
   } catch (IOException tolerated) {
    // it's expected that some of these will fail
   }
   Thread.yield();
  }
 }
});

代码示例来源：origin: google/guava

public void testCreateParentDirectories_symlinkParentExists() throws IOException {
 Path symlink = tempDir.resolve("linkToDir");
 Files.createSymbolicLink(symlink, root());
 Path file = symlink.resolve("foo");
 MoreFiles.createParentDirectories(file);
}

代码示例来源：origin: eclipse-vertx/vert.x

public Void perform() {
  try {
   Path source = vertx.resolveFile(link).toPath();
   Path target = vertx.resolveFile(existing).toPath();
   if (symbolic) {
    Files.createSymbolicLink(source, target);
   } else {
    Files.createLink(source, target);
   }
  } catch (IOException e) {
   throw new FileSystemException(e);
  }
  return null;
 }
};

代码示例来源：origin: google/guava

@AndroidIncompatible // Path (for symlink creation)
public void testScanDirectory_symlinkToRootCycle() throws IOException {
 ClassLoader loader = ClassPathTest.class.getClassLoader();
 // directory with a cycle,
 // /root
 //    /child
 //       /[grandchild -> root]
 java.nio.file.Path root = createTempDirectory("ClassPathTest");
 try {
  createFile(root.resolve("some.txt"));
  java.nio.file.Path child = createDirectory(root.resolve("child"));
  createSymbolicLink(child.resolve("grandchild"), root);
  ClassPath.DefaultScanner scanner = new ClassPath.DefaultScanner();
  scanner.scan(root.toFile(), loader);
  assertEquals(ImmutableSet.of(new ResourceInfo("some.txt", loader)), scanner.getResources());
 } finally {
  deleteRecursivelyOrLog(root);
 }
}

代码示例来源：origin: google/guava

public void testByteSource_size_ofSymlinkToRegularFile() throws IOException {
 try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
  Path file = fs.getPath("file");
  Files.write(file, new byte[10]);
  Path link = fs.getPath("link");
  Files.createSymbolicLink(link, file);
  ByteSource source = MoreFiles.asByteSource(link);
  assertEquals(10L, (long) source.sizeIfKnown().get());
  assertEquals(10L, source.size());
 }
}

代码示例来源：origin: neo4j/neo4j

@Test
@DisabledOnOs( OS.WINDOWS )
void shouldHandleSymlinkToDatabaseDir() throws IOException, CommandFailed, IncorrectUsage, IncorrectFormat
{
  Path symDir = testDirectory.directory( "path-to-links" ).toPath();
  Path realDatabaseDir = symDir.resolve( "foo.db" );
  Path dataDir = testDirectory.directory( "some-other-path" ).toPath();
  Path databaseDir = dataDir.resolve( "databases/foo.db" );
  Files.createDirectories( realDatabaseDir );
  Files.createDirectories( dataDir.resolve( "databases" ) );
  Files.createSymbolicLink( databaseDir, realDatabaseDir );
  Files.write( configDir.resolve( Config.DEFAULT_CONFIG_FILE_NAME ), singletonList( formatProperty( data_directory, dataDir ) ) );
  execute( "foo.db" );
  verify( loader ).load( any(), eq( realDatabaseDir ), eq( realDatabaseDir ) );
}

代码示例来源：origin: google/guava

@AndroidIncompatible // Path (for symlink creation)
public void testScanDirectory_symlinkCycle() throws IOException {
 ClassLoader loader = ClassPathTest.class.getClassLoader();
 // directory with a cycle,
 // /root
 //    /left
 //       /[sibling -> right]
 //    /right
 //       /[sibling -> left]
 java.nio.file.Path root = createTempDirectory("ClassPathTest");
 try {
  java.nio.file.Path left = createDirectory(root.resolve("left"));
  createFile(left.resolve("some.txt"));
  java.nio.file.Path right = createDirectory(root.resolve("right"));
  createFile(right.resolve("another.txt"));
  createSymbolicLink(left.resolve("sibling"), right);
  createSymbolicLink(right.resolve("sibling"), left);
  ClassPath.DefaultScanner scanner = new ClassPath.DefaultScanner();
  scanner.scan(root.toFile(), loader);
  assertEquals(
    ImmutableSet.of(
      new ResourceInfo("left/some.txt", loader),
      new ResourceInfo("left/sibling/another.txt", loader),
      new ResourceInfo("right/another.txt", loader),
      new ResourceInfo("right/sibling/some.txt", loader)),
    scanner.getResources());
 } finally {
  deleteRecursivelyOrLog(root);
 }
}

代码示例来源：origin: gocd/gocd

@Test
  public void shouldNotValidateNestingOfMaterialDirectoriesBasedOnServerSideFileSystem() throws IOException {
    final File workingDir = temporaryFolder.newFolder("go-working-dir");
    final File material1 = new File(workingDir, "material1");
    material1.mkdirs();

    final Path material2 = Files.createSymbolicLink(Paths.get(new File(workingDir, "material2").getPath()), Paths.get(material1.getPath()));

    pluggableSCMMaterialConfig.setFolder(material1.getAbsolutePath());
    pluggableSCMMaterialConfig.validateNotSubdirectoryOf(material2.toAbsolutePath().toString());

    assertNull(pluggableSCMMaterialConfig.errors().getAllOn(FOLDER));
  }
}

代码示例来源：origin: google/guava

public void testByteSource_size_ofSymlinkToDirectory() throws IOException {
 try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
  Path dir = fs.getPath("dir");
  Files.createDirectory(dir);
  Path link = fs.getPath("link");
  Files.createSymbolicLink(link, dir);
  ByteSource source = MoreFiles.asByteSource(link);
  assertThat(source.sizeIfKnown()).isAbsent();
  try {
   source.size();
   fail();
  } catch (IOException expected) {
  }
 }
}

代码示例来源：origin: gocd/gocd

@Test
  public void shouldNotValidateNestingOfMaterialDirectoriesBasedOnServerSideFileSystem() throws IOException {
    final File workingDir = temporaryFolder.newFolder("go-working-dir");
    final File material1 = new File(workingDir, "material1");
    material1.mkdirs();

    final Path material2 = Files.createSymbolicLink(Paths.get(new File(workingDir, "material2").getPath()), Paths.get(material1.getPath()));

    material.setFolder(material1.getAbsolutePath());
    material.validateNotSubdirectoryOf(material2.toAbsolutePath().toString());

    assertNull(material.errors().getAllOn(FOLDER));
  }
}

代码示例来源：origin: google/guava

public void testByteSource_size_ofSymlinkToRegularFile_nofollowLinks() throws IOException {
 try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
  Path file = fs.getPath("file");
  Files.write(file, new byte[10]);
  Path link = fs.getPath("link");
  Files.createSymbolicLink(link, file);
  ByteSource source = MoreFiles.asByteSource(link, NOFOLLOW_LINKS);
  assertThat(source.sizeIfKnown()).isAbsent();
  try {
   source.size();
   fail();
  } catch (IOException expected) {
  }
 }
}

代码示例来源：origin: google/guava

public void testEqual_links() throws IOException {
 try (FileSystem fs = Jimfs.newFileSystem(Configuration.unix())) {
  Path fooPath = fs.getPath("foo");
  MoreFiles.asCharSink(fooPath, UTF_8).write("foo");
  Path fooSymlink = fs.getPath("symlink");
  Files.createSymbolicLink(fooSymlink, fooPath);
  Path fooHardlink = fs.getPath("hardlink");
  Files.createLink(fooHardlink, fooPath);
  assertThat(MoreFiles.equal(fooPath, fooSymlink)).isTrue();
  assertThat(MoreFiles.equal(fooPath, fooHardlink)).isTrue();
  assertThat(MoreFiles.equal(fooSymlink, fooHardlink)).isTrue();
 }
}

代码示例来源：origin: SonarSource/sonarqube

@Test
public void deleteQuietly_deletes_symbolicLink() throws IOException {
 assumeTrue(SystemUtils.IS_OS_UNIX);
 Path folder = temporaryFolder.newFolder().toPath();
 Path file1 = Files.createFile(folder.resolve("file1.txt"));
 Path symLink = Files.createSymbolicLink(folder.resolve("link1"), file1);
 assertThat(file1).isRegularFile();
 assertThat(symLink).isSymbolicLink();
 FileUtils.deleteQuietly(symLink.toFile());
 assertThat(symLink).doesNotExist();
 assertThat(file1).isRegularFile();
}

代码示例来源：origin: SonarSource/sonarqube

@Test
public void deleteQuietly_deletes_symbolicLink() throws IOException {
 assumeTrue(SystemUtils.IS_OS_UNIX);
 Path folder = temporaryFolder.newFolder().toPath();
 Path file1 = Files.createFile(folder.resolve("file1.txt"));
 Path symLink = Files.createSymbolicLink(folder.resolve("link1"), file1);
 assertThat(file1).isRegularFile();
 assertThat(symLink).isSymbolicLink();
 FileUtils2.deleteQuietly(symLink.toFile());
 assertThat(symLink).doesNotExist();
 assertThat(file1).isRegularFile();
}

代码示例来源：origin: neo4j/neo4j

@Test
void storeLayoutResolvesLinks() throws IOException
{
  Path basePath = testDirectory.directory().toPath();
  File storeDir = testDirectory.storeDir("notAbsolute");
  Path linkPath = basePath.resolve( "link" );
  Path symbolicLink = Files.createSymbolicLink( linkPath, storeDir.toPath() );
  StoreLayout storeLayout = StoreLayout.of( symbolicLink.toFile() );
  assertEquals( storeDir, storeLayout.storeDirectory() );
}

代码示例来源：origin: neo4j/neo4j

@Test
void databaseLayoutResolvesLinks() throws IOException
{
  Path basePath = testDirectory.directory().toPath();
  File databaseDir = testDirectory.databaseDir("notAbsolute");
  Path linkPath = basePath.resolve( "link" );
  Path symbolicLink = Files.createSymbolicLink( linkPath, databaseDir.toPath() );
  DatabaseLayout databaseLayout = DatabaseLayout.of( symbolicLink.toFile() );
  assertEquals( databaseLayout.databaseDirectory(), databaseDir );
}

代码示例来源：origin: SonarSource/sonarqube

@Test
public void deleteDirectory_throws_IOE_if_file_is_symbolicLink() throws IOException {
 assumeTrue(SystemUtils.IS_OS_UNIX);
 Path folder = temporaryFolder.newFolder().toPath();
 Path file1 = Files.createFile(folder.resolve("file1.txt"));
 Path symLink = Files.createSymbolicLink(folder.resolve("link1"), file1);
 assertThat(file1).isRegularFile();
 assertThat(symLink).isSymbolicLink();
 expectedException.expect(IOException.class);
 expectedException.expectMessage("Directory '" + symLink.toFile().getAbsolutePath() + "' is a symbolic link");
 FileUtils.deleteDirectory(symLink.toFile());
}

代码示例来源：origin: google/guava

public void testPredicates() throws IOException {
 Path file = createTempFile();
 Path dir = tempDir.resolve("dir");
 Files.createDirectory(dir);
 assertTrue(MoreFiles.isDirectory().apply(dir));
 assertFalse(MoreFiles.isRegularFile().apply(dir));
 assertFalse(MoreFiles.isDirectory().apply(file));
 assertTrue(MoreFiles.isRegularFile().apply(file));
 Path symlinkToDir = tempDir.resolve("symlinkToDir");
 Path symlinkToFile = tempDir.resolve("symlinkToFile");
 Files.createSymbolicLink(symlinkToDir, dir);
 Files.createSymbolicLink(symlinkToFile, file);
 assertTrue(MoreFiles.isDirectory().apply(symlinkToDir));
 assertFalse(MoreFiles.isRegularFile().apply(symlinkToDir));
 assertFalse(MoreFiles.isDirectory().apply(symlinkToFile));
 assertTrue(MoreFiles.isRegularFile().apply(symlinkToFile));
 assertFalse(MoreFiles.isDirectory(NOFOLLOW_LINKS).apply(symlinkToDir));
 assertFalse(MoreFiles.isRegularFile(NOFOLLOW_LINKS).apply(symlinkToFile));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testReadSymLink() throws Exception {
 // Symlinks require a modified security policy in Windows. -- See http://stackoverflow.com/questions/23217460/how-to-create-soft-symbolic-link-using-java-nio-files
 Assume.assumeFalse(Utils.isWindows());
 String fileName = "some-file.txt";
 long fileSize = 1234;
 createFileWithJunk(fileName, fileSize);
 String linkName = "some-link.txt";
 Files.createSymbolicLink(Paths.get(testDir + pathSep + linkName), Paths.get(fileName));
 vertx.fileSystem().readSymlink(testDir + pathSep + linkName, ar -> {
  if (ar.failed()) {
   fail(ar.cause().getMessage());
  } else {
   assertEquals(fileName, ar.result());
   testComplete();
  }
 });
 await();
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testPropsDontFollowLink() throws Exception {
 // Symlinks require a modified security policy in Windows. -- See http://stackoverflow.com/questions/23217460/how-to-create-soft-symbolic-link-using-java-nio-files
 Assume.assumeFalse(Utils.isWindows());
 String fileName = "some-file.txt";
 long fileSize = 1234;
 createFileWithJunk(fileName, fileSize);
 String linkName = "some-link.txt";
 Files.createSymbolicLink(Paths.get(testDir + pathSep + linkName), Paths.get(fileName));
 testProps(linkName, true, true, st -> {
  assertNotNull(st != null);
  assertTrue(st.isSymbolicLink());
 });
 await();
}

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