java.io.File.setReadable java code examples

/**
 * Equivalent to setReadable(readable, true).
 * @see #setReadable(boolean, boolean)
 * @since 1.6
 */
public boolean setReadable(boolean readable) {
  return setReadable(readable, true);
}

/**
 * create directory
 *
 * @param directoryPath
 */
public static void createDirectory(final String directoryPath) {
  File file = new File(directoryPath);
  if (!file.exists()) {
    file.setReadable(true, false);
    file.setWritable(true, true);
    file.mkdirs();
  }
}

private static void writeYarnProperties(Properties properties, File propertiesFile) {
  try (final OutputStream out = new FileOutputStream(propertiesFile)) {
    properties.store(out, "Generated YARN properties file");
  } catch (IOException e) {
    throw new RuntimeException("Error writing the properties file", e);
  }
  propertiesFile.setReadable(true, false); // readable for all.
}

@SuppressWarnings("ResultOfMethodCallIgnored") //intended, nothing useful can be done
@SuppressLint("SetWorldReadable") //intended, default permission
private static void setFilePermissions(File outputFile) {
  // Try change permission to rwxr-xr-x
  outputFile.setReadable(true, false);
  outputFile.setExecutable(true, false);
  outputFile.setWritable(true);
}

 @Override protected void plusRWX(File file) {
  file.setReadable(true, false);
  file.setWritable(true, false);
  file.setExecutable(true, false);
 }
}

 public static Path createSecuredTempDirectory(String prefix) throws IOException {
  Path tempDir = Files.createTempDirectory(prefix);
  tempDir.toFile().setExecutable(true, true);
  tempDir.toFile().setWritable(true, true);
  tempDir.toFile().setReadable(true, true);

  return tempDir;
 }
}

/**
 * create file,full filename,signle empty file.
 *
 * @param fullFilename
 * @return boolean
 */
public static boolean createFile(final String fullFilename) {
  boolean result = false;
  File file = new File(fullFilename);
  createDirectory(file.getParent());
  try {
    file.setReadable(true, false);
    file.setWritable(true, true);
    result = file.createNewFile();
  } catch (Exception e) {
    throw new FileUtilException(e);
  }
  return result;
}

  private void writePem( String type, byte[] encodedContent, File path ) throws IOException
  {
    path.getParentFile().mkdirs();
    try ( PemWriter writer = new PemWriter( new FileWriter( path ) ) )
    {
      writer.writeObject( new PemObject( type, encodedContent ) );
      writer.flush();
    }
    path.setReadable( false, false );
    path.setWritable( false, false );
    path.setReadable( true );
    path.setWritable( true );
  }
}

private void shareHeapDump(BlockInfoEx blockInfo) {
  File heapDumpFile = blockInfo.logFile;
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
    heapDumpFile.setReadable(true, false);
  }
  Intent intent = new Intent(Intent.ACTION_SEND);
  intent.setType("application/octet-stream");
  intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(heapDumpFile));
  startActivity(Intent.createChooser(intent, getString(R.string.block_canary_share_with)));
}

 @Override public void run() {
  //noinspection ResultOfMethodCallIgnored
  heapDumpFile.setReadable(true, false);
  final Uri heapDumpUri = getUriForFile(getBaseContext(),
    "com.squareup.leakcanary.fileprovider." + getApplication().getPackageName(),
    heapDumpFile);
  runOnUiThread(new Runnable() {
   @Override public void run() {
    startShareIntentChooser(heapDumpUri);
   }
  });
 }
});

@BeforeClass
public static void setupContent() throws FileNotFoundException {
  contentFolder.mkdir();
  contentFolder.setReadable(true, false);
  contentFolder.setWritable(true, false);
  contentFolder.setExecutable(true, false);
  File indexFile = new File(contentFolder, "index.html");
  indexFile.setReadable(true, false);
  indexFile.setWritable(true, false);
  indexFile.setExecutable(true, false);
  @Cleanup PrintStream printStream = new PrintStream(new FileOutputStream(indexFile));
  printStream.println("<html><body>This worked</body></html>");
}

@Before
public void prepDestDirectory() throws IOException {
  final File targetDir = new File("target/move-target");
  if (!targetDir.exists()) {
    Files.createDirectories(targetDir.toPath());
    return;
  }
  targetDir.setReadable(true);
  for (final File file : targetDir.listFiles()) {
    Files.delete(file.toPath());
  }
}

@SuppressWarnings({"Duplicates", "ResultOfMethodCallIgnored"})
@BeforeClass
public static void setupContent() throws FileNotFoundException {
  contentFolder.mkdir();
  contentFolder.setReadable(true, false);
  contentFolder.setWritable(true, false);
  contentFolder.setExecutable(true, false);
  File indexFile = new File(contentFolder, "index.html");
  indexFile.setReadable(true, false);
  indexFile.setWritable(true, false);
  indexFile.setExecutable(true, false);
  @Cleanup PrintStream printStream = new PrintStream(new FileOutputStream(indexFile));
  printStream.println("<html><body>This worked</body></html>");
}

public void testAReadableFile() { // Not all OSes will allow setting readability so have to be forgiving here.
  file.setReadable(true);
  assertMatches("matches readable file", FileMatchers.aReadableFile(), file);
  if (file.setReadable(false)) {
    assertDoesNotMatch("doesn't match unreadable file", FileMatchers.aReadableFile(), file);
  }
}

@Test
public void testUnreadableFileInput() throws Exception {
  //skip this test on Windows, coverage on Linux
  assumeTrue(!org.apache.zookeeper.Shell.WINDOWS);
  File file = File.createTempFile("test", ".junit", testData);
  file.setReadable(false, false);
  file.deleteOnExit();
  String absolutePath = file.getAbsolutePath();
  String error = ZKUtil.validateFileInput(absolutePath);
  assertNotNull(error);
  String expectedMessage = "Read permission is denied on the file '" + absolutePath + "'";
  assertEquals(expectedMessage, error);
}

@Test
void lockFileAndFailToDeleteDirectory()
{
  File nonDeletableDirectory = directory.directory( "c" );
  CONTEXT.setValue( LOCKED_TEST_FILE_KEY, nonDeletableDirectory );
  assertTrue( nonDeletableDirectory.setReadable( false, false ) );
}

@Test
public void shouldLogIfConfigFileCouldNotBeRead() throws IOException
{
  Log log = mock( Log.class );
  File confFile = testDirectory.file( "test.conf" );
  assertTrue( confFile.createNewFile() );
  assumeTrue( confFile.setReadable( false ) );
  Config config = Config.fromFile( confFile ).withNoThrowOnFileLoadFailure().build();
  config.setLogger( log );
  verify( log ).error( "Unable to load config file [%s]: %s", confFile, confFile + " (Permission denied)" );
}

@Test( expected = ConfigLoadIOException.class )
public void mustThrowIfConfigFileCoutNotBeRead() throws IOException
{
  File confFile = testDirectory.file( "test.conf" );
  assertTrue( confFile.createNewFile() );
  assumeTrue( confFile.setReadable( false ) );
  Config.fromFile( confFile ).build();
}

@Test
public void ignoreUnreadableFile() throws Exception {
  File file = createZipFile();
  file.deleteOnExit();
  file.setReadable(false);
  assumeFalse("File cannot be marked as unreadable, skipping test.", file.canRead());
  FilesystemCodeBaseLocator locator = buildLocator(file);
  assertHasNoCodeBase(ClassFactory.createFilesystemCodeBase(locator));
}

@Test
@EnabledOnOs( OS.LINUX )
void exceptionOnDirectoryDeletionIncludeTestDisplayName() throws IOException
{
  CONTEXT.clear();
  FailedTestExecutionListener failedTestListener = new FailedTestExecutionListener();
  execute( "lockFileAndFailToDeleteDirectory", failedTestListener );
  File lockedFile = CONTEXT.getValue( LOCKED_TEST_FILE_KEY );
  assertNotNull( lockedFile );
  assertTrue( lockedFile.setReadable( true, true ) );
  FileUtils.deleteRecursively( lockedFile );
  failedTestListener.assertTestObserver();
}

Javadoc

Equivalent to setReadable(readable, true).

Popular methods of File

<init>
Creates a new File instance by converting the givenfile: URI into an abstract pathname. The exact fo
exists
Tests whether the file or directory denoted by this abstract pathname exists.
getAbsolutePath
Returns the absolute pathname string of this abstract pathname. If this abstract pathname is already
getName
Returns the name of the file or directory denoted by this abstract pathname. This is just the last n
isDirectory
mkdirs
delete
Deletes the file or directory denoted by this abstract pathname. If this pathname denotes a director
listFiles
Returns an array of abstract pathnames denoting the files and directories in the directory denoted b
getParentFile
Returns the abstract pathname of this abstract pathname's parent, or null if this pathname does not
getPath
Converts this abstract pathname into a pathname string. The resulting string uses the #separator to
isFile
length
Returns the length of the file denoted by this abstract pathname. The return value is unspecified if

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This exception is thrown when a timeout expired on a socket read or accept operation.
Charset (java.nio.charset)
A charset is a named mapping between Unicode characters and byte sequences. Every Charset can decode
Permission (java.security)
Legacy security code; do not use.
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A specific moment in time, with millisecond precision. Values typically come from System#currentTime
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The annotation structure.An instance of this class is returned bygetAnnotations() in AnnotationsAttr
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How to use setReadablemethodin java.io.File

Best Java code snippets using java.io.File.setReadable (Showing top 20 results out of 2,322)

How to use
setReadable
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java.io.File