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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/StringReader.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.Objects; /** * A character stream whose source is a string. * * @author Mark Reinhold * @since 1.1 */ public class StringReader extends Reader { private String str; private int length; private int next = 0; private int mark = 0; /** * Creates a new string reader. * * @param s String providing the character stream. */ public StringReader(String s) { this.str = s; this.length = s.length(); } /** Check to make sure that the stream has not been closed */ private void ensureOpen() throws IOException { if (str == null) throw new IOException("Stream closed"); } /** * Reads a single character. * * @return The character read, or -1 if the end of the stream has been * reached * * @throws IOException If an I/O error occurs */ public int read() throws IOException { synchronized (lock) { ensureOpen(); if (next >= length) return -1; return str.charAt(next++); } } /** * Reads characters into a portion of an array. * * <p> If {@code len} is zero, then no characters are read and {@code 0} is * returned; otherwise, there is an attempt to read at least one character. * If no character is available because the stream is at its end, the value * {@code -1} is returned; otherwise, at least one character is read and * stored into {@code cbuf}. * * @param cbuf {@inheritDoc} * @param off {@inheritDoc} * @param len {@inheritDoc} * * @return {@inheritDoc} * * @throws IndexOutOfBoundsException {@inheritDoc} * @throws IOException {@inheritDoc} */ public int read(char[] cbuf, int off, int len) throws IOException { synchronized (lock) { ensureOpen(); Objects.checkFromIndexSize(off, len, cbuf.length); if (len == 0) { return 0; } if (next >= length) return -1; int n = Math.min(length - next, len); str.getChars(next, next + n, cbuf, off); next += n; return n; } } /** * Skips characters. If the stream is already at its end before this method * is invoked, then no characters are skipped and zero is returned. * * <p>The {@code n} parameter may be negative, even though the * {@code skip} method of the {@link Reader} superclass throws * an exception in this case. Negative values of {@code n} cause the * stream to skip backwards. Negative return values indicate a skip * backwards. It is not possible to skip backwards past the beginning of * the string. * * <p>If the entire string has been read or skipped, then this method has * no effect and always returns {@code 0}. * * @param n {@inheritDoc} * * @return {@inheritDoc} * * @throws IOException {@inheritDoc} */ public long skip(long n) throws IOException { synchronized (lock) { ensureOpen(); if (next >= length) return 0; // Bound skip by beginning and end of the source long r = Math.min(length - next, n); r = Math.max(-next, r); next += r; return r; } } /** * Tells whether this stream is ready to be read. * * @return True if the next read() is guaranteed not to block for input * * @throws IOException If the stream is closed */ public boolean ready() throws IOException { synchronized (lock) { ensureOpen(); return true; } } /** * Tells whether this stream supports the mark() operation, which it does. */ public boolean markSupported() { return true; } /** * Marks the present position in the stream. Subsequent calls to reset() * will reposition the stream to this point. * * @param readAheadLimit Limit on the number of characters that may be * read while still preserving the mark. Because * the stream's input comes from a string, there * is no actual limit, so this argument must not * be negative, but is otherwise ignored. * * @throws IllegalArgumentException If {@code readAheadLimit < 0} * @throws IOException If an I/O error occurs */ public void mark(int readAheadLimit) throws IOException { if (readAheadLimit < 0){ throw new IllegalArgumentException("Read-ahead limit < 0"); } synchronized (lock) { ensureOpen(); mark = next; } } /** * Resets the stream to the most recent mark, or to the beginning of the * string if it has never been marked. * * @throws IOException If an I/O error occurs */ public void reset() throws IOException { synchronized (lock) { ensureOpen(); next = mark; } } /** * Closes the stream and releases any system resources associated with * it. Once the stream has been closed, further read(), * ready(), mark(), or reset() invocations will throw an IOException. * Closing a previously closed stream has no effect. This method will block * while there is another thread blocking on the reader. */ public void close() { synchronized (lock) { str = null; } } }
⏎ java/io/StringReader.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, 44367👍, 1💬
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