Examples with Writer java.io.Writer used on opensource projects

Example 76 with Writer

use of java.io.Writer in project guava by google.

the class CharSink method writeFrom.

/**
   * Writes all the text from the given {@link Readable} (such as a {@link Reader}) to this sink.
   * Does not close {@code readable} if it is {@code Closeable}.
   *
   * @return the number of characters written
   * @throws IOException if an I/O error occurs while reading from {@code readable} or writing to
   *     this sink
   */
@CanIgnoreReturnValue
public long writeFrom(Readable readable) throws IOException {
    checkNotNull(readable);
    Closer closer = Closer.create();
    try {
        Writer out = closer.register(openStream());
        long written = CharStreams.copy(readable, out);
        // https://code.google.com/p/guava-libraries/issues/detail?id=1330
        out.flush();
        return written;
    } catch (Throwable e) {
        throw closer.rethrow(e);
    } finally {
        closer.close();
    }
}

Example 77 with Writer

use of java.io.Writer in project guava by google.

the class CharSource method copyTo.

/**
   * Copies the contents of this source to the given sink.
   *
   * @return the number of characters copied
   * @throws IOException if an I/O error occurs while reading from this source or writing to
   *     {@code sink}
   */
@CanIgnoreReturnValue
public long copyTo(CharSink sink) throws IOException {
    checkNotNull(sink);
    Closer closer = Closer.create();
    try {
        Reader reader = closer.register(openStream());
        Writer writer = closer.register(sink.openStream());
        return CharStreams.copy(reader, writer);
    } catch (Throwable e) {
        throw closer.rethrow(e);
    } finally {
        closer.close();
    }
}

Example 78 with Writer

use of java.io.Writer in project guava by google.

the class AppendableWriterTest method testAppendMethods.

public void testAppendMethods() throws IOException {
    StringBuilder builder = new StringBuilder();
    Writer writer = new AppendableWriter(builder);
    writer.append("Hello,");
    writer.append(' ');
    writer.append("The World Wide Web", 4, 9);
    writer.append("!");
    assertEquals("Hello, World!", builder.toString());
}

Example 79 with Writer

use of java.io.Writer in project guava by google.

the class CharSinkTest method testOpenBufferedStream.

public void testOpenBufferedStream() throws IOException {
    Writer writer = sink.openBufferedStream();
    assertTrue(sink.wasStreamOpened());
    assertFalse(sink.wasStreamClosed());
    writer.write(STRING);
    writer.close();
    assertTrue(sink.wasStreamClosed());
    assertEquals(STRING, sink.getString());
}

Example 80 with Writer

use of java.io.Writer in project guava by google.

the class AppendableWriterTest method testCloseFlush.

public void testCloseFlush() throws IOException {
    SpyAppendable spy = new SpyAppendable();
    Writer writer = new AppendableWriter(spy);
    writer.write("Hello");
    assertFalse(spy.flushed);
    assertFalse(spy.closed);
    writer.flush();
    assertTrue(spy.flushed);
    assertFalse(spy.closed);
    writer.close();
    assertTrue(spy.flushed);
    assertTrue(spy.closed);
}