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Java Source | 1997-05-20 | 2.9 KB | 121 lines |
- /*
- * @(#)FilterReader.java 1.5 97/01/27
- *
- * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- * CopyrightVersion 1.1_beta
- *
- */
-
- package java.io;
-
-
- /**
- * Abstract class for reading filtered character streams.
- *
- * @version 1.5, 97/01/27
- * @author Mark Reinhold
- * @since JDK1.1
- */
-
- public abstract class FilterReader extends Reader {
-
- /**
- * The underlying character-input stream, or null if the stream has been
- * closed
- */
- protected Reader in;
-
- /**
- * Create a new filtered reader.
- */
- protected FilterReader(Reader in) {
- super(in);
- this.in = in;
- }
-
- /**
- * Read a single character.
- *
- * @exception IOException If an I/O error occurs
- */
- public int read() throws IOException {
- return in.read();
- }
-
- /**
- * Read characters into a portion of an array.
- *
- * @exception IOException If an I/O error occurs
- */
- public int read(char cbuf[], int off, int len) throws IOException {
- return in.read(cbuf, off, len);
- }
-
- /**
- * Skip characters.
- *
- * @exception IOException If an I/O error occurs
- */
- public long skip(long n) throws IOException {
- return in.skip(n);
- }
-
- /**
- * Tell whether this stream is ready to be read.
- *
- * @exception IOException If an I/O error occurs
- */
- public boolean ready() throws IOException {
- return in.ready();
- }
-
- /**
- * Tell whether this stream supports the mark() operation.
- */
- public boolean markSupported() {
- return in.markSupported();
- }
-
- /**
- * Mark the present position in the stream.
- *
- * @exception IOException If an I/O error occurs
- */
- public void mark(int readAheadLimit) throws IOException {
- in.mark(readAheadLimit);
- }
-
- /**
- * Reset the stream.
- *
- * @exception IOException If an I/O error occurs
- */
- public void reset() throws IOException {
- in.reset();
- }
-
- /**
- * Close the stream.
- *
- * @exception IOException If an I/O error occurs
- */
- public void close() throws IOException {
- in.close();
- }
-
- }
-