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JRE 8 rt.jar - com.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the com.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ com/sun/imageio/plugins/common/BitFile.java
/* * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package com.sun.imageio.plugins.common; import java.io.IOException; import javax.imageio.stream.ImageOutputStream; /* * Came from GIFEncoder initially. * Modified - to allow for output compressed data without the block counts * which breakup the compressed data stream for GIF. */ public class BitFile { ImageOutputStream output; byte buffer[]; int index; int bitsLeft; // bits left at current index that are avail. /** note this also indicates gif format BITFile. **/ boolean blocks = false; /* * @param output destination for output data * @param blocks GIF LZW requires block counts for output data */ public BitFile(ImageOutputStream output, boolean blocks) { this.output = output; this.blocks = blocks; buffer = new byte[256]; index = 0; bitsLeft = 8; } public void flush() throws IOException { int numBytes = index + (bitsLeft == 8 ? 0 : 1); if (numBytes > 0) { if (blocks) { output.write(numBytes); } output.write(buffer, 0, numBytes); buffer[0] = 0; index = 0; bitsLeft = 8; } } public void writeBits(int bits, int numbits) throws IOException { int bitsWritten = 0; int numBytes = 255; // gif block count do { // This handles the GIF block count stuff if ((index == 254 && bitsLeft == 0) || index > 254) { if (blocks) { output.write(numBytes); } output.write(buffer, 0, numBytes); buffer[0] = 0; index = 0; bitsLeft = 8; } if (numbits <= bitsLeft) { // bits contents fit in current index byte if (blocks) { // GIF buffer[index] |= (bits & ((1 << numbits) - 1)) << (8 - bitsLeft); bitsWritten += numbits; bitsLeft -= numbits; numbits = 0; } else { buffer[index] |= (bits & ((1 << numbits) - 1)) << (bitsLeft - numbits); bitsWritten += numbits; bitsLeft -= numbits; numbits = 0; } } else { // bits overflow from current byte to next. if (blocks) { // GIF // if bits > space left in current byte then the lowest order bits // of code are taken and put in current byte and rest put in next. buffer[index] |= (bits & ((1 << bitsLeft) - 1)) << (8 - bitsLeft); bitsWritten += bitsLeft; bits >>= bitsLeft; numbits -= bitsLeft; buffer[++index] = 0; bitsLeft = 8; } else { // if bits > space left in current byte then the highest order bits // of code are taken and put in current byte and rest put in next. // at highest order bit location !! int topbits = (bits >>> (numbits - bitsLeft)) & ((1 << bitsLeft) - 1); buffer[index] |= topbits; numbits -= bitsLeft; // ok this many bits gone off the top bitsWritten += bitsLeft; buffer[++index] = 0; // next index bitsLeft = 8; } } } while (numbits != 0); } }
⏎ com/sun/imageio/plugins/common/BitFile.java
Or download all of them as a single archive file:
File name: jre-rt-com-1.8.0_191-src.zip File size: 8099783 bytes Release date: 2018-10-28 Download
⇒ Backup JDK 8 Installation Directory
2023-02-07, 253920👍, 3💬
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