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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/org/apache/bcel/internal/classfile/Code.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 a chunk of Java byte code contained in a * method. It is instantiated by the * <em>Attribute.readAttribute()</em> method. A <em>Code</em> * attribute contains informations about operand stack, local * variables, byte code and the exceptions handled within this * method. * * This attribute has attributes itself, namely <em>LineNumberTable</em> which * is used for debugging purposes and <em>LocalVariableTable</em> which * contains information about the local variables. * * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> * @see Attribute * @see CodeException * @see LineNumberTable * @see LocalVariableTable */ public final class Code extends Attribute { private int max_stack; // Maximum size of stack used by this method private int max_locals; // Number of local variables private int code_length; // Length of code in bytes private byte[] code; // Actual byte code private int exception_table_length; private CodeException[] exception_table; // Table of handled exceptions private int attributes_count; // Attributes of code: LineNumber private Attribute[] attributes; // or LocalVariable /** * Initialize from another object. Note that both objects use the same * references (shallow copy). Use copy() for a physical copy. */ public Code(Code c) { this(c.getNameIndex(), c.getLength(), c.getMaxStack(), c.getMaxLocals(), c.getCode(), c.getExceptionTable(), c.getAttributes(), c.getConstantPool()); } /** * @param name_index Index pointing to the name <em>Code</em> * @param length Content length in bytes * @param file Input stream * @param constant_pool Array of constants */ Code(int name_index, int length, DataInputStream file, ConstantPool constant_pool) throws IOException { // Initialize with some default values which will be overwritten later this(name_index, length, file.readUnsignedShort(), file.readUnsignedShort(), (byte[])null, (CodeException[])null, (Attribute[])null, constant_pool); code_length = file.readInt(); code = new byte[code_length]; // Read byte code file.readFully(code); /* Read exception table that contains all regions where an exception * handler is active, i.e., a try { ... } catch() block. */ exception_table_length = file.readUnsignedShort(); exception_table = new CodeException[exception_table_length]; for(int i=0; i < exception_table_length; i++) exception_table[i] = new CodeException(file); /* Read all attributes, currently `LineNumberTable' and * `LocalVariableTable' */ attributes_count = file.readUnsignedShort(); attributes = new Attribute[attributes_count]; for(int i=0; i < attributes_count; i++) attributes[i] = Attribute.readAttribute(file, constant_pool); /* Adjust length, because of setAttributes in this(), s.b. length * is incorrect, because it didn't take the internal attributes * into account yet! Very subtle bug, fixed in 3.1.1. */ this.length = length; } /** * @param name_index Index pointing to the name <em>Code</em> * @param length Content length in bytes * @param max_stack Maximum size of stack * @param max_locals Number of local variables * @param code Actual byte code * @param exception_table Table of handled exceptions * @param attributes Attributes of code: LineNumber or LocalVariable * @param constant_pool Array of constants */ public Code(int name_index, int length, int max_stack, int max_locals, byte[] code, CodeException[] exception_table, Attribute[] attributes, ConstantPool constant_pool) { super(Constants.ATTR_CODE, name_index, length, constant_pool); this.max_stack = max_stack; this.max_locals = max_locals; setCode(code); setExceptionTable(exception_table); setAttributes(attributes); // Overwrites length! } /** * 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.visitCode(this); } /** * Dump code attribute to file stream in binary format. * * @param file Output file stream * @throws IOException */ public final void dump(DataOutputStream file) throws IOException { super.dump(file); file.writeShort(max_stack); file.writeShort(max_locals); file.writeInt(code_length); file.write(code, 0, code_length); file.writeShort(exception_table_length); for(int i=0; i < exception_table_length; i++) exception_table[i].dump(file); file.writeShort(attributes_count); for(int i=0; i < attributes_count; i++) attributes[i].dump(file); } /** * @return Collection of code attributes. * @see Attribute */ public final Attribute[] getAttributes() { return attributes; } /** * @return LineNumberTable of Code, if it has one */ public LineNumberTable getLineNumberTable() { for(int i=0; i < attributes_count; i++) if(attributes[i] instanceof LineNumberTable) return (LineNumberTable)attributes[i]; return null; } /** * @return LocalVariableTable of Code, if it has one */ public LocalVariableTable getLocalVariableTable() { for(int i=0; i < attributes_count; i++) if(attributes[i] instanceof LocalVariableTable) return (LocalVariableTable)attributes[i]; return null; } /** * @return Actual byte code of the method. */ public final byte[] getCode() { return code; } /** * @return Table of handled exceptions. * @see CodeException */ public final CodeException[] getExceptionTable() { return exception_table; } /** * @return Number of local variables. */ public final int getMaxLocals() { return max_locals; } /** * @return Maximum size of stack used by this method. */ public final int getMaxStack() { return max_stack; } /** * @return the internal length of this code attribute (minus the first 6 bytes) * and excluding all its attributes */ private final int getInternalLength() { return 2 /*max_stack*/ + 2 /*max_locals*/ + 4 /*code length*/ + code_length /*byte-code*/ + 2 /*exception-table length*/ + 8 * exception_table_length /* exception table */ + 2 /* attributes count */; } /** * @return the full size of this code attribute, minus its first 6 bytes, * including the size of all its contained attributes */ private final int calculateLength() { int len = 0; for(int i=0; i < attributes_count; i++) len += attributes[i].length + 6 /*attribute header size*/; return len + getInternalLength(); } /** * @param attributes. */ public final void setAttributes(Attribute[] attributes) { this.attributes = attributes; attributes_count = (attributes == null)? 0 : attributes.length; length = calculateLength(); // Adjust length } /** * @param code byte code */ public final void setCode(byte[] code) { this.code = code; code_length = (code == null)? 0 : code.length; } /** * @param exception_table exception table */ public final void setExceptionTable(CodeException[] exception_table) { this.exception_table = exception_table; exception_table_length = (exception_table == null)? 0 : exception_table.length; } /** * @param max_locals maximum number of local variables */ public final void setMaxLocals(int max_locals) { this.max_locals = max_locals; } /** * @param max_stack maximum stack size */ public final void setMaxStack(int max_stack) { this.max_stack = max_stack; } /** * @return String representation of code chunk. */ public final String toString(boolean verbose) { StringBuffer buf; buf = new StringBuffer("Code(max_stack = " + max_stack + ", max_locals = " + max_locals + ", code_length = " + code_length + ")\n" + Utility.codeToString(code, constant_pool, 0, -1, verbose)); if(exception_table_length > 0) { buf.append("\nException handler(s) = \n" + "From\tTo\tHandler\tType\n"); for(int i=0; i < exception_table_length; i++) buf.append(exception_table[i].toString(constant_pool, verbose) + "\n"); } if(attributes_count > 0) { buf.append("\nAttribute(s) = \n"); for(int i=0; i < attributes_count; i++) buf.append(attributes[i].toString() + "\n"); } return buf.toString(); } /** * @return String representation of code chunk. */ public final String toString() { return toString(true); } /** * @return deep copy of this attribute */ public Attribute copy(ConstantPool constant_pool) { Code c = (Code)clone(); c.code = (byte[])code.clone(); c.constant_pool = constant_pool; c.exception_table = new CodeException[exception_table_length]; for(int i=0; i < exception_table_length; i++) c.exception_table[i] = exception_table[i].copy(); c.attributes = new Attribute[attributes_count]; for(int i=0; i < attributes_count; i++) c.attributes[i] = attributes[i].copy(constant_pool); return c; } }
⏎ com/sun/org/apache/bcel/internal/classfile/Code.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
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