0N/A/*
2362N/A * Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/Apackage java.io;
0N/A
0N/A
0N/A/**
0N/A * Abstract class for reading filtered character streams.
0N/A * The abstract class <code>FilterReader</code> itself
0N/A * provides default methods that pass all requests to
0N/A * the contained stream. Subclasses of <code>FilterReader</code>
0N/A * should override some of these methods and may also provide
0N/A * additional methods and fields.
0N/A *
0N/A * @author Mark Reinhold
0N/A * @since JDK1.1
0N/A */
0N/A
0N/Apublic abstract class FilterReader extends Reader {
0N/A
0N/A /**
0N/A * The underlying character-input stream.
0N/A */
0N/A protected Reader in;
0N/A
0N/A /**
0N/A * Creates a new filtered reader.
0N/A *
0N/A * @param in a Reader object providing the underlying stream.
0N/A * @throws NullPointerException if <code>in</code> is <code>null</code>
0N/A */
0N/A protected FilterReader(Reader in) {
0N/A super(in);
0N/A this.in = in;
0N/A }
0N/A
0N/A /**
0N/A * Reads a single character.
0N/A *
0N/A * @exception IOException If an I/O error occurs
0N/A */
0N/A public int read() throws IOException {
0N/A return in.read();
0N/A }
0N/A
0N/A /**
0N/A * Reads characters into a portion of an array.
0N/A *
0N/A * @exception IOException If an I/O error occurs
0N/A */
0N/A public int read(char cbuf[], int off, int len) throws IOException {
0N/A return in.read(cbuf, off, len);
0N/A }
0N/A
0N/A /**
0N/A * Skips characters.
0N/A *
0N/A * @exception IOException If an I/O error occurs
0N/A */
0N/A public long skip(long n) throws IOException {
0N/A return in.skip(n);
0N/A }
0N/A
0N/A /**
0N/A * Tells whether this stream is ready to be read.
0N/A *
0N/A * @exception IOException If an I/O error occurs
0N/A */
0N/A public boolean ready() throws IOException {
0N/A return in.ready();
0N/A }
0N/A
0N/A /**
0N/A * Tells whether this stream supports the mark() operation.
0N/A */
0N/A public boolean markSupported() {
0N/A return in.markSupported();
0N/A }
0N/A
0N/A /**
0N/A * Marks the present position in the stream.
0N/A *
0N/A * @exception IOException If an I/O error occurs
0N/A */
0N/A public void mark(int readAheadLimit) throws IOException {
0N/A in.mark(readAheadLimit);
0N/A }
0N/A
0N/A /**
0N/A * Resets the stream.
0N/A *
0N/A * @exception IOException If an I/O error occurs
0N/A */
0N/A public void reset() throws IOException {
0N/A in.reset();
0N/A }
0N/A
0N/A public void close() throws IOException {
0N/A in.close();
0N/A }
0N/A
0N/A}