- /*
- * @(#)FilterWriter.java 1.15 03/01/23
- *
- * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package java.io;
-
-
- /**
- * Abstract class for writing filtered character streams.
- * The abstract class <code>FilterWriter</code> itself
- * provides default methods that pass all requests to the
- * contained stream. Subclasses of <code>FilterWriter</code>
- * should override some of these methods and may also
- * provide additional methods and fields.
- *
- * @version 1.15, 03/01/23
- * @author Mark Reinhold
- * @since JDK1.1
- */
-
- public abstract class FilterWriter extends Writer {
-
- /**
- * The underlying character-output stream.
- */
- protected Writer out;
-
- /**
- * Create a new filtered writer.
- *
- * @param out a Writer object to provide the underlying stream.
- * @throws NullPointerException if <code>out</code> is <code>null</code>
- */
- protected FilterWriter(Writer out) {
- super(out);
- this.out = out;
- }
-
- /**
- * Write a single character.
- *
- * @exception IOException If an I/O error occurs
- */
- public void write(int c) throws IOException {
- out.write(c);
- }
-
- /**
- * Write a portion of an array of characters.
- *
- * @param cbuf Buffer of characters to be written
- * @param off Offset from which to start reading characters
- * @param len Number of characters to be written
- *
- * @exception IOException If an I/O error occurs
- */
- public void write(char cbuf[], int off, int len) throws IOException {
- out.write(cbuf, off, len);
- }
-
- /**
- * Write a portion of a string.
- *
- * @param str String to be written
- * @param off Offset from which to start reading characters
- * @param len Number of characters to be written
- *
- * @exception IOException If an I/O error occurs
- */
- public void write(String str, int off, int len) throws IOException {
- out.write(str, off, len);
- }
-
- /**
- * Flush the stream.
- *
- * @exception IOException If an I/O error occurs
- */
- public void flush() throws IOException {
- out.flush();
- }
-
- /**
- * Close the stream.
- *
- * @exception IOException If an I/O error occurs
- */
- public void close() throws IOException {
- out.close();
- }
-
- }