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JDK 17 java.base.jmod - Base Module
JDK 17 java.base.jmod is the JMOD file for JDK 17 Base module.
JDK 17 Base module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.base.jmod.
JDK 17 Base module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.
JDK 17 Base module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.base.
You can click and view the content of each source code file in the list below.
✍: FYIcenter
⏎ java/io/CharArrayWriter.java
/* * Copyright (c) 1996, 2021, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.io; import java.util.Arrays; /** * This class implements a character buffer that can be used as an Writer. * The buffer automatically grows when data is written to the stream. The data * can be retrieved using toCharArray() and toString(). * <P> * Note: Invoking close() on this class has no effect, and methods * of this class can be called after the stream has closed * without generating an IOException. * * @author Herb Jellinek * @since 1.1 */ public class CharArrayWriter extends Writer { /** * The buffer where data is stored. */ protected char buf[]; /** * The number of chars in the buffer. */ protected int count; /** * Creates a new CharArrayWriter. */ public CharArrayWriter() { this(32); } /** * Creates a new CharArrayWriter with the specified initial size. * * @param initialSize an int specifying the initial buffer size. * @throws IllegalArgumentException if initialSize is negative */ public CharArrayWriter(int initialSize) { if (initialSize < 0) { throw new IllegalArgumentException("Negative initial size: " + initialSize); } buf = new char[initialSize]; } /** * Writes a character to the buffer. */ public void write(int c) { synchronized (lock) { int newcount = count + 1; if (newcount > buf.length) { buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount)); } buf[count] = (char)c; count = newcount; } } /** * Writes characters to the buffer. * @param c the data to be written * @param off the start offset in the data * @param len the number of chars that are written * * @throws IndexOutOfBoundsException * If {@code off} is negative, or {@code len} is negative, * or {@code off + len} is negative or greater than the length * of the given array */ public void write(char c[], int off, int len) { if ((off < 0) || (off > c.length) || (len < 0) || ((off + len) > c.length) || ((off + len) < 0)) { throw new IndexOutOfBoundsException(); } else if (len == 0) { return; } synchronized (lock) { int newcount = count + len; if (newcount > buf.length) { buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount)); } System.arraycopy(c, off, buf, count, len); count = newcount; } } /** * Write a portion of a string to the buffer. * @param str String to be written from * @param off Offset from which to start reading characters * @param len Number of characters to be written * * @throws IndexOutOfBoundsException * If {@code off} is negative, or {@code len} is negative, * or {@code off + len} is negative or greater than the length * of the given string */ public void write(String str, int off, int len) { synchronized (lock) { int newcount = count + len; if (newcount > buf.length) { buf = Arrays.copyOf(buf, Math.max(buf.length << 1, newcount)); } str.getChars(off, off + len, buf, count); count = newcount; } } /** * Writes the contents of the buffer to another character stream. * * @param out the output stream to write to * @throws IOException If an I/O error occurs. */ public void writeTo(Writer out) throws IOException { synchronized (lock) { out.write(buf, 0, count); } } /** * Appends the specified character sequence to this writer. * * <p> An invocation of this method of the form {@code out.append(csq)} * behaves in exactly the same way as the invocation * * <pre> * out.write(csq.toString()) </pre> * * <p> Depending on the specification of {@code toString} for the * character sequence {@code csq}, the entire sequence may not be * appended. For instance, invoking the {@code toString} method of a * character buffer will return a subsequence whose content depends upon * the buffer's position and limit. * * @param csq * The character sequence to append. If {@code csq} is * {@code null}, then the four characters {@code "null"} are * appended to this writer. * * @return This writer * * @since 1.5 */ public CharArrayWriter append(CharSequence csq) { String s = String.valueOf(csq); write(s, 0, s.length()); return this; } /** * Appends a subsequence of the specified character sequence to this writer. * * <p> An invocation of this method of the form * {@code out.append(csq, start, end)} when * {@code csq} is not {@code null}, behaves in * exactly the same way as the invocation * * <pre> * out.write(csq.subSequence(start, end).toString()) </pre> * * @param csq * The character sequence from which a subsequence will be * appended. If {@code csq} is {@code null}, then characters * will be appended as if {@code csq} contained the four * characters {@code "null"}. * * @param start * The index of the first character in the subsequence * * @param end * The index of the character following the last character in the * subsequence * * @return This writer * * @throws IndexOutOfBoundsException * If {@code start} or {@code end} are negative, {@code start} * is greater than {@code end}, or {@code end} is greater than * {@code csq.length()} * * @since 1.5 */ public CharArrayWriter append(CharSequence csq, int start, int end) { if (csq == null) csq = "null"; return append(csq.subSequence(start, end)); } /** * Appends the specified character to this writer. * * <p> An invocation of this method of the form {@code out.append(c)} * behaves in exactly the same way as the invocation * * <pre> * out.write(c) </pre> * * @param c * The 16-bit character to append * * @return This writer * * @since 1.5 */ public CharArrayWriter append(char c) { write(c); return this; } /** * Resets the buffer so that you can use it again without * throwing away the already allocated buffer. */ public void reset() { count = 0; } /** * Returns a copy of the input data. * * @return an array of chars copied from the input data. */ public char[] toCharArray() { synchronized (lock) { return Arrays.copyOf(buf, count); } } /** * Returns the current size of the buffer. * * @return an int representing the current size of the buffer. */ public int size() { return count; } /** * Converts input data to a string. * @return the string. */ public String toString() { synchronized (lock) { return new String(buf, 0, count); } } /** * Flush the stream. * * <p> The {@code flush} method of {@code CharArrayWriter} does nothing. */ public void flush() { } /** * Close the stream. This method does not release the buffer, since its * contents might still be required. Note: Invoking this method in this class * will have no effect. */ public void close() { } }
⏎ java/io/CharArrayWriter.java
Or download all of them as a single archive file:
File name: java.base-17.0.5-src.zip File size: 8883851 bytes Release date: 2022-09-13 Download
2023-09-26, 94514👍, 1💬
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