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JDK 1.1 Source Code Directory
JDK 1.1 source code directory contains Java source code for JDK 1.1 core classes: "C:\fyicenter\jdk-1.1.8\src".
Here is the list of Java classes of the JDK 1.1 source code:
✍: FYIcenter
⏎ java/io/PushbackReader.java
/* * @(#)PushbackReader.java 1.9 01/12/10 * * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package java.io; /** * A character-stream reader that allows characters to be pushed back into the * stream. * * @version 1.9, 01/12/10 * @author Mark Reinhold * @since JDK1.1 */ public class PushbackReader extends FilterReader { /** Pushback buffer */ private char[] buf; /** Current position in buffer */ private int pos; /** * Create a new pushback reader with a pushback buffer of the given size. * * @param in The reader from which characters will be read * @param size The size of the pushback buffer */ public PushbackReader(Reader in, int size) { super(in); this.buf = new char[size]; this.pos = size; } /** * Create a new pushback reader with a one-character pushback buffer. * * @param in The reader from which characters will be read */ public PushbackReader(Reader in) { this(in, 1); } /** Check to make sure that the stream has not been closed. */ private void ensureOpen() throws IOException { if (buf == null) throw new IOException("Stream closed"); } /** * Read a single character. * * @return The character read, or -1 if the end of the stream has been * reached * * @exception IOException If an I/O error occurs */ public int read() throws IOException { synchronized (lock) { ensureOpen(); if (pos < buf.length) return buf[pos++]; else return super.read(); } } /** * Read characters into a portion of an array. * * @param cbuf Destination buffer * @param off Offset at which to start writing characters * @param len Maximum number of characters to read * * @return The number of characters read, or -1 if the end of the * stream has been reached * * @exception IOException If an I/O error occurs */ public int read(char cbuf[], int off, int len) throws IOException { synchronized (lock) { ensureOpen(); if (len <= 0) return 0; int avail = buf.length - pos; if (avail > 0) { if (len < avail) avail = len; System.arraycopy(buf, pos, cbuf, off, avail); pos += avail; off += avail; len -= avail; } if (len > 0) { len = super.read(cbuf, off, len); if (len == -1) { return (avail == 0) ? -1 : avail; } return avail + len; } return avail; } } /** * Push back a single character. * * @param c The character to push back * * @exception IOException If the pushback buffer is full, * or if some other I/O error occurs */ public void unread(int c) throws IOException { synchronized (lock) { ensureOpen(); if (pos == 0) throw new IOException("Pushback buffer overflow"); buf[--pos] = (char) c; } } /** * Push back a portion of an array of characters by copying it to the * front of the pushback buffer. After this method returns, the next * character to be read will have the value <code>cbuf[off]</code>, the * character after that will have the value <code>cbuf[off+1]</code>, and * so forth. * * @param cbuf Character array * @param off Offset of first character to push back * @param len Number of characters to push back * * @exception IOException If there is insufficient room in the pushback * buffer, or if some other I/O error occurs */ public void unread(char cbuf[], int off, int len) throws IOException { synchronized (lock) { ensureOpen(); if (len > pos) throw new IOException("Pushback buffer overflow"); pos -= len; System.arraycopy(cbuf, off, buf, pos, len); } } /** * Push back an array of characters by copying it to the front of the * pushback buffer. After this method returns, the next character to be * read will have the value <code>cbuf[0]</code>, the character after that * will have the value <code>cbuf[1]</code>, and so forth. * * @param cbuf Character array to push back * * @exception IOException If there is insufficient room in the pushback * buffer, or if some other I/O error occurs */ public void unread(char cbuf[]) throws IOException { unread(cbuf, 0, cbuf.length); } /** * Tell whether this stream is ready to be read. * * @exception IOException If an I/O error occurs */ public boolean ready() throws IOException { synchronized (lock) { ensureOpen(); return (pos < buf.length) || super.ready(); } } /** * Tell whether this stream supports the mark() operation, which it does * not. */ public boolean markSupported() { return false; } /** * Close the stream. * * @exception IOException If an I/O error occurs */ public void close() throws IOException { super.close(); buf = null; } }
⏎ java/io/PushbackReader.java
Or download all of them as a single archive file:
File name: jdk-1.1.8-src.zip File size: 1574187 bytes Release date: 2018-11-16 Download
⇒ Backup JDK 1.1 Installation Directory
2018-11-17, 152090👍, 0💬
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