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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/BufferedWriter.java
/* * @(#)BufferedWriter.java 1.14 01/12/10 * * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package java.io; /** * Write text to a character-output stream, buffering characters so as to * provide for the efficient writing of single characters, arrays, and strings. * * <p> The buffer size may be specified, or the default size may be accepted. * The default is large enough for most purposes. * * <p> A newLine() method is provided, which uses the platform's own notion of * line separator as defined by the system property <tt>line.separator</tt>. * Not all platforms use the newline character ('\n') to terminate lines. * Calling this method to terminate each output line is therefore preferred to * writing a newline character directly. * * <p> In general, a Writer sends its output immediately to the underlying * character or byte stream. Unless prompt output is required, it is advisable * to wrap a BufferedWriter around any Writer whose write() operations may be * costly, such as FileWriters and OutputStreamWriters. For example, * * <pre> * PrintWriter out * = new PrintWriter(new BufferedWriter(new FileWriter("foo.out"))); * </pre> * * will buffer the PrintWriter's output to the file. Without buffering, each * invocation of a print() method would cause characters to be converted into * bytes that would then be written immediately to the file, which can be very * inefficient. * * @see PrintWriter * @see FileWriter * @see OutputStreamWriter * * @version 1.14, 01/12/10 * @author Mark Reinhold * @since JDK1.1 */ public class BufferedWriter extends Writer { private Writer out; private char cb[]; private int nChars, nextChar; private static int defaultCharBufferSize = 8192; /** * Line separator string. This is the value of the line.separator * property at the moment that the stream was created. */ private String lineSeparator; /** * Create a buffered character-output stream that uses a default-sized * output buffer. * * @param out A Writer */ public BufferedWriter(Writer out) { this(out, defaultCharBufferSize); } /** * Create a new buffered character-output stream that uses an output * buffer of the given size. * * @param out A Writer * @param sz Output-buffer size, a positive integer * * @exception IllegalArgumentException If sz is <= 0 */ public BufferedWriter(Writer out, int sz) { super(out); if (sz <= 0) throw new IllegalArgumentException("Buffer size <= 0"); this.out = out; cb = new char[sz]; nChars = sz; nextChar = 0; lineSeparator = System.getProperty("line.separator"); } /** Check to make sure that the stream has not been closed */ private void ensureOpen() throws IOException { if (out == null) throw new IOException("Stream closed"); } /** * Flush the output buffer to the underlying character stream, without * flushing the stream itself. This method is non-private only so that it * may be invoked by PrintStream. */ void flushBuffer() throws IOException { synchronized (lock) { ensureOpen(); if (nextChar == 0) return; out.write(cb, 0, nextChar); nextChar = 0; } } /** * Write a single character. * * @exception IOException If an I/O error occurs */ public void write(int c) throws IOException { synchronized (lock) { ensureOpen(); if (nextChar >= nChars) flushBuffer(); cb[nextChar++] = (char) c; } } /** * Write a portion of an array of characters. * * <p> Ordinarily this method stores characters from the given array into * this stream's buffer, flushing the buffer to the underlying stream as * needed. If the requested length is at least as large as the buffer, * however, then this method will flush the buffer and write the characters * directly to the underlying stream. Thus redundant * <code>BufferedWriter</code>s will not copy data unnecessarily. * * @param cbuf A character array * @param off Offset from which to start reading characters * @param len Number of characters to write * * @exception IOException If an I/O error occurs */ public void write(char cbuf[], int off, int len) throws IOException { synchronized (lock) { ensureOpen(); if (len >= nChars) { /* If the request length exceeds the size of the output buffer, flush the buffer and then write the data directly. In this way buffered streams will cascade harmlessly. */ flushBuffer(); out.write(cbuf, off, len); return; } int b = off, t = off + len; while (b < t) { int d = Math.min(nChars - nextChar, t - b); System.arraycopy(cbuf, b, cb, nextChar, d); b += d; nextChar += d; if (nextChar >= nChars) flushBuffer(); } } } /** * Write a portion of a String. * * @param s 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 s, int off, int len) throws IOException { synchronized (lock) { ensureOpen(); int b = off, t = off + len; while (b < t) { int d = Math.min(nChars - nextChar, t - b); s.getChars(b, b + d, cb, nextChar); b += d; nextChar += d; if (nextChar >= nChars) flushBuffer(); } } } /** * Write a line separator. The line separator string is defined by the * system property <tt>line.separator</tt>, and is not necessarily a single * newline ('\n') character. * * @exception IOException If an I/O error occurs */ public void newLine() throws IOException { write(lineSeparator); } /** * Flush the stream. * * @exception IOException If an I/O error occurs */ public void flush() throws IOException { synchronized (lock) { flushBuffer(); out.flush(); } } /** * Close the stream. * * @exception IOException If an I/O error occurs */ public void close() throws IOException { synchronized (lock) { if (out == null) return; flushBuffer(); out.close(); out = null; cb = null; } } }
⏎ java/io/BufferedWriter.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, 176030👍, 0💬
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