Method copyTo

output/java_guava/1.4.19/CharSource.java:195–207

Appends the contents of this source to the given Appendable (such as a Writer). Does not close appendable if it is Closeable. @return the number of characters copied @throws IOException if an I/O error occurs in the process of reading from this source or writing

(Appendable appendable)

   */

  @CanIgnoreReturnValue
  public long copyTo(Appendable appendable) throws IOException {
    checkNotNull(appendable);
    Closer closer = Closer.create();
    try {
      Reader reader = closer.register(openStream());
      return CharStreams.copy(reader, appendable);
    } catch (Throwable e) {
      throw closer.rethrow(e);
    } finally {
      closer.close();
    }
  }

  /**
   * Copies the contents of this source to the given sink.