Ian Lance Taylor <******@****.***> 1765577893 -0800

@GwtIncompatible
final class AppendableWriter extends Writer {
  private final Appendable target;
  private boolean closed;

  /**
   * Creates a new writer that appends everything it writes to {@code target}.
   *
   * @param target target to which to append output
   */
  AppendableWriter(Appendable target) {
    this.target = checkNotNull(target);
  }

  /*
   * Abstract methods from Writer
   */

  @Override

                                writer.write(hit.getSourceAsString());
                                writer.write("\n");
                            } catch (final IOException e) {
                                throw new IORuntimeException(e);
                            }
                            return true;
                        });
                        writer.flush();
                    }

                                writer.write(hit.getSourceAsString());
                                writer.write("\n");
                            } catch (final IOException e) {
                                throw new IORuntimeException(e);
                            }
                            return true;
                        });
                        writer.flush();
                    }

        final int result = copy(url, "UTF-8", writer);
        assertThat(result, is(urlString.length()));
        assertThat(writer.toString(), is(urlString));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testFileToWriter() throws Exception {
        final int result = copy(inputFile, "UTF-8", writer);
        assertThat(result, is(urlString.length()));

        assertArgumentNotNull("props", props);
        assertArgumentNotNull("writer", writer);

        try {
            props.store(writer, comments);
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**

        File lmhostsFile = tempDir.resolve("lmhosts_empty").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168.1.100 HOST1\n");
            writer.write("\n");
            writer.write("   \n");
            writer.write("192.168.1.101 HOST2\n");
        }

        when(mockConfig.getLmHostsFileName()).thenReturn(lmhostsFile.getAbsolutePath());

    }

    /**
     * Wraps the writer with a {@link BufferedWriter} if necessary.
     *
     * @param writer the writer
     * @return the wrapped writer
     */
    protected static Writer wrap(final Writer writer) {
        if (writer instanceof BufferedWriter) {
            return writer;
        }
        if (writer instanceof StringWriter) {
            return writer;
        }

   * writer will close the target if it is {@link Closeable}, and flushing the writer will flush the
   * target if it is {@link java.io.Flushable}.
   *
   * @param target the object to which output will be sent
   * @return a new Writer object, unless target is a Writer, in which case the target is returned
   */
  public static Writer asWriter(Appendable target) {
    if (target instanceof Writer) {
      return (Writer) target;
    }

import java.io.OutputStreamWriter;
import java.io.Writer;

import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link Writer} operations.
 *
 * @author koichik
 */
public abstract class WriterUtil {

    /**
     * Do not instantiate.
     */
    protected WriterUtil() {
    }

    /**
     * Creates a {@link Writer} to output to a stream with the specified encoding.
     *