Okio Extensions

OkioExtensions.kt

// TODO: Actually convert the below to Kotlin

/**
 * Reads file and returns a String.
 *
 * @param file the file to read
 * @return the string with file content or null
 */
@Nullable
public static String tryReadFile(@NonNull final File file) {
  try (final BufferedSource source = Okio.buffer(FileSystem.SYSTEM.source(file))) {
    return source.readUtf8();
  } catch (final IOException exception) {
    //ignored exception
    return null;
  }
}

/**
 * Reads InputStream and returns a String. It will close stream after usage.
 *
 * @param stream the stream to read
 * @return the string with file content or null
 */
@Nullable
public static String tryReadFile(@NonNull final InputStream stream) {
  try (final BufferedSource source = Okio.buffer(Okio.source(stream))) {
    return source.readUtf8();
  } catch (final IOException exception) {
    //ignored exception
    return null;
  }
}

/**
 * Reads file and returns a String.
 *
 * @param file the file to read
 * @return the string content
 */
@NonNull
public static String readFile(@NonNull final File file) throws IOException {
  try (final BufferedSource source = Okio.buffer(FileSystem.SYSTEM.source(file))) {
    return source.readUtf8();
  }
}

/**
 * Reads InputStream and returns a String. It will close stream after usage.
 *
 * @param stream the stream to read
 * @return the string content
 */
@NonNull
public static String readFile(@NonNull final InputStream stream) throws IOException {
  try (final BufferedSource source = Okio.buffer(Okio.source(stream))) {
    return source.readUtf8();
  }
}