Categories:
Audio (13)
Biotech (29)
Bytecode (36)
Database (77)
Framework (7)
Game (7)
General (507)
Graphics (53)
I/O (35)
IDE (2)
JAR Tools (101)
JavaBeans (21)
JDBC (121)
JDK (426)
JSP (20)
Logging (108)
Mail (58)
Messaging (8)
Network (84)
PDF (97)
Report (7)
Scripting (84)
Security (32)
Server (121)
Servlet (26)
SOAP (24)
Testing (54)
Web (15)
XML (309)
Collections:
Other Resources:
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/org/apache/bcel/internal/classfile/ConstantPool.java
/* * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package com.sun.org.apache.bcel.internal.classfile; /* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2001 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software Foundation" and * "Apache BCEL" must not be used to endorse or promote products * derived from this software without prior written permission. For * written permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", * "Apache BCEL", nor may "Apache" appear in their name, without * prior written permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */ import com.sun.org.apache.bcel.internal.Constants; import java.io.*; /** * This class represents the constant pool, i.e., a table of constants, of * a parsed classfile. It may contain null references, due to the JVM * specification that skips an entry after an 8-byte constant (double, * long) entry. Those interested in generating constant pools * programatically should see <a href="../generic/ConstantPoolGen.html"> * ConstantPoolGen</a>. * @see Constant * @see com.sun.org.apache.bcel.internal.generic.ConstantPoolGen * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> */ public class ConstantPool implements Cloneable, Node, Serializable { private int constant_pool_count; private Constant[] constant_pool; /** * @param constant_pool Array of constants */ public ConstantPool(Constant[] constant_pool) { setConstantPool(constant_pool); } /** * Read constants from given file stream. * * @param file Input stream * @throws IOException * @throws ClassFormatException */ ConstantPool(DataInputStream file) throws IOException, ClassFormatException { byte tag; constant_pool_count = file.readUnsignedShort(); constant_pool = new Constant[constant_pool_count]; /* constant_pool[0] is unused by the compiler and may be used freely * by the implementation. */ for(int i=1; i < constant_pool_count; i++) { constant_pool[i] = Constant.readConstant(file); /* Quote from the JVM specification: * "All eight byte constants take up two spots in the constant pool. * If this is the n'th byte in the constant pool, then the next item * will be numbered n+2" * * Thus we have to increment the index counter. */ tag = constant_pool[i].getTag(); if((tag == Constants.CONSTANT_Double) || (tag == Constants.CONSTANT_Long)) i++; } } /** * Called by objects that are traversing the nodes of the tree implicitely * defined by the contents of a Java class. I.e., the hierarchy of methods, * fields, attributes, etc. spawns a tree of objects. * * @param v Visitor object */ public void accept(Visitor v) { v.visitConstantPool(this); } /** * Resolve constant to a string representation. * * @param constant Constant to be printed * @return String representation */ public String constantToString(Constant c) throws ClassFormatException { String str; int i; byte tag = c.getTag(); switch(tag) { case Constants.CONSTANT_Class: i = ((ConstantClass)c).getNameIndex(); c = getConstant(i, Constants.CONSTANT_Utf8); str = Utility.compactClassName(((ConstantUtf8)c).getBytes(), false); break; case Constants.CONSTANT_String: i = ((ConstantString)c).getStringIndex(); c = getConstant(i, Constants.CONSTANT_Utf8); str = "\"" + escape(((ConstantUtf8)c).getBytes()) + "\""; break; case Constants.CONSTANT_Utf8: str = ((ConstantUtf8)c).getBytes(); break; case Constants.CONSTANT_Double: str = "" + ((ConstantDouble)c).getBytes(); break; case Constants.CONSTANT_Float: str = "" + ((ConstantFloat)c).getBytes(); break; case Constants.CONSTANT_Long: str = "" + ((ConstantLong)c).getBytes(); break; case Constants.CONSTANT_Integer: str = "" + ((ConstantInteger)c).getBytes(); break; case Constants.CONSTANT_NameAndType: str = (constantToString(((ConstantNameAndType)c).getNameIndex(), Constants.CONSTANT_Utf8) + " " + constantToString(((ConstantNameAndType)c).getSignatureIndex(), Constants.CONSTANT_Utf8)); break; case Constants.CONSTANT_InterfaceMethodref: case Constants.CONSTANT_Methodref: case Constants.CONSTANT_Fieldref: str = (constantToString(((ConstantCP)c).getClassIndex(), Constants.CONSTANT_Class) + "." + constantToString(((ConstantCP)c).getNameAndTypeIndex(), Constants.CONSTANT_NameAndType)); break; default: // Never reached throw new RuntimeException("Unknown constant type " + tag); } return str; } private static final String escape(String str) { int len = str.length(); StringBuffer buf = new StringBuffer(len + 5); char[] ch = str.toCharArray(); for(int i=0; i < len; i++) { switch(ch[i]) { case '\n' : buf.append("\\n"); break; case '\r' : buf.append("\\r"); break; case '\t' : buf.append("\\t"); break; case '\b' : buf.append("\\b"); break; case '"' : buf.append("\\\""); break; default: buf.append(ch[i]); } } return buf.toString(); } /** * Retrieve constant at `index' from constant pool and resolve it to * a string representation. * * @param index of constant in constant pool * @param tag expected type * @return String representation */ public String constantToString(int index, byte tag) throws ClassFormatException { Constant c = getConstant(index, tag); return constantToString(c); } /** * Dump constant pool to file stream in binary format. * * @param file Output file stream * @throws IOException */ public void dump(DataOutputStream file) throws IOException { file.writeShort(constant_pool_count); for(int i=1; i < constant_pool_count; i++) if(constant_pool[i] != null) constant_pool[i].dump(file); } /** * Get constant from constant pool. * * @param index Index in constant pool * @return Constant value * @see Constant */ public Constant getConstant(int index) { if (index >= constant_pool.length || index < 0) throw new ClassFormatException("Invalid constant pool reference: " + index + ". Constant pool size is: " + constant_pool.length); return constant_pool[index]; } /** * Get constant from constant pool and check whether it has the * expected type. * * @param index Index in constant pool * @param tag Tag of expected constant, i.e., its type * @return Constant value * @see Constant * @throws ClassFormatException */ public Constant getConstant(int index, byte tag) throws ClassFormatException { Constant c; c = getConstant(index); if(c == null) throw new ClassFormatException("Constant pool at index " + index + " is null."); if(c.getTag() == tag) return c; else throw new ClassFormatException("Expected class `" + Constants.CONSTANT_NAMES[tag] + "' at index " + index + " and got " + c); } /** * @return Array of constants. * @see Constant */ public Constant[] getConstantPool() { return constant_pool; } /** * Get string from constant pool and bypass the indirection of * `ConstantClass' and `ConstantString' objects. I.e. these classes have * an index field that points to another entry of the constant pool of * type `ConstantUtf8' which contains the real data. * * @param index Index in constant pool * @param tag Tag of expected constant, either ConstantClass or ConstantString * @return Contents of string reference * @see ConstantClass * @see ConstantString * @throws ClassFormatException */ public String getConstantString(int index, byte tag) throws ClassFormatException { Constant c; int i; c = getConstant(index, tag); /* This switch() is not that elegant, since the two classes have the * same contents, they just differ in the name of the index * field variable. * But we want to stick to the JVM naming conventions closely though * we could have solved these more elegantly by using the same * variable name or by subclassing. */ switch(tag) { case Constants.CONSTANT_Class: i = ((ConstantClass)c).getNameIndex(); break; case Constants.CONSTANT_String: i = ((ConstantString)c).getStringIndex(); break; default: throw new RuntimeException("getConstantString called with illegal tag " + tag); } // Finally get the string from the constant pool c = getConstant(i, Constants.CONSTANT_Utf8); return ((ConstantUtf8)c).getBytes(); } /** * @return Length of constant pool. */ public int getLength() { return constant_pool_count; } /** * @param constant Constant to set */ public void setConstant(int index, Constant constant) { constant_pool[index] = constant; } /** * @param constant_pool */ public void setConstantPool(Constant[] constant_pool) { this.constant_pool = constant_pool; constant_pool_count = (constant_pool == null)? 0 : constant_pool.length; } /** * @return String representation. */ public String toString() { StringBuffer buf = new StringBuffer(); for(int i=1; i < constant_pool_count; i++) buf.append(i + ")" + constant_pool[i] + "\n"); return buf.toString(); } /** * @return deep copy of this constant pool */ public ConstantPool copy() { ConstantPool c = null; try { c = (ConstantPool)clone(); } catch(CloneNotSupportedException e) {} c.constant_pool = new Constant[constant_pool_count]; for(int i=1; i < constant_pool_count; i++) { if(constant_pool[i] != null) c.constant_pool[i] = constant_pool[i].copy(); } return c; } }
⏎ com/sun/org/apache/bcel/internal/classfile/ConstantPool.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, 250397👍, 3💬
Popular Posts:
How to download and install Apache XMLBeans-2.6.0.zip? If you want to try the XMLBeans Java library,...
JRE 5 sunjce_provider.jar is the JAR file for JRE 5 Sun JCE Provider, which provides implementations...
What Is activation.jar? I heard it's related to JAF (JavaBeans Activation Framework) 1.0.2? The if y...
What Is activation.jar? I heard it's related to JAF (JavaBeans Activation Framework) 1.0.2? The if y...
What Is HttpComponents httpcore-4.2.2.jar? HttpComponents httpcore-4.2.2.jar is the JAR file for Apa...