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JRE 8 rt.jar - java.* 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 java.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ java/beans/XMLEncoder.java
/* * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.beans; import java.io.*; import java.util.*; import java.lang.reflect.*; import java.nio.charset.Charset; import java.nio.charset.CharsetEncoder; import java.nio.charset.IllegalCharsetNameException; import java.nio.charset.UnsupportedCharsetException; /** * The <code>XMLEncoder</code> class is a complementary alternative to * the <code>ObjectOutputStream</code> and can used to generate * a textual representation of a <em>JavaBean</em> in the same * way that the <code>ObjectOutputStream</code> can * be used to create binary representation of <code>Serializable</code> * objects. For example, the following fragment can be used to create * a textual representation the supplied <em>JavaBean</em> * and all its properties: * <pre> * XMLEncoder e = new XMLEncoder( * new BufferedOutputStream( * new FileOutputStream("Test.xml"))); * e.writeObject(new JButton("Hello, world")); * e.close(); * </pre> * Despite the similarity of their APIs, the <code>XMLEncoder</code> * class is exclusively designed for the purpose of archiving graphs * of <em>JavaBean</em>s as textual representations of their public * properties. Like Java source files, documents written this way * have a natural immunity to changes in the implementations of the classes * involved. The <code>ObjectOutputStream</code> continues to be recommended * for interprocess communication and general purpose serialization. * <p> * The <code>XMLEncoder</code> class provides a default denotation for * <em>JavaBean</em>s in which they are represented as XML documents * complying with version 1.0 of the XML specification and the * UTF-8 character encoding of the Unicode/ISO 10646 character set. * The XML documents produced by the <code>XMLEncoder</code> class are: * <ul> * <li> * <em>Portable and version resilient</em>: they have no dependencies * on the private implementation of any class and so, like Java source * files, they may be exchanged between environments which may have * different versions of some of the classes and between VMs from * different vendors. * <li> * <em>Structurally compact</em>: The <code>XMLEncoder</code> class * uses a <em>redundancy elimination</em> algorithm internally so that the * default values of a Bean's properties are not written to the stream. * <li> * <em>Fault tolerant</em>: Non-structural errors in the file, * caused either by damage to the file or by API changes * made to classes in an archive remain localized * so that a reader can report the error and continue to load the parts * of the document which were not affected by the error. * </ul> * <p> * Below is an example of an XML archive containing * some user interface components from the <em>swing</em> toolkit: * <pre> * <?xml version="1.0" encoding="UTF-8"?> * <java version="1.0" class="java.beans.XMLDecoder"> * <object class="javax.swing.JFrame"> * <void property="name"> * <string>frame1</string> * </void> * <void property="bounds"> * <object class="java.awt.Rectangle"> * <int>0</int> * <int>0</int> * <int>200</int> * <int>200</int> * </object> * </void> * <void property="contentPane"> * <void method="add"> * <object class="javax.swing.JButton"> * <void property="label"> * <string>Hello</string> * </void> * </object> * </void> * </void> * <void property="visible"> * <boolean>true</boolean> * </void> * </object> * </java> * </pre> * The XML syntax uses the following conventions: * <ul> * <li> * Each element represents a method call. * <li> * The "object" tag denotes an <em>expression</em> whose value is * to be used as the argument to the enclosing element. * <li> * The "void" tag denotes a <em>statement</em> which will * be executed, but whose result will not be used as an * argument to the enclosing method. * <li> * Elements which contain elements use those elements as arguments, * unless they have the tag: "void". * <li> * The name of the method is denoted by the "method" attribute. * <li> * XML's standard "id" and "idref" attributes are used to make * references to previous expressions - so as to deal with * circularities in the object graph. * <li> * The "class" attribute is used to specify the target of a static * method or constructor explicitly; its value being the fully * qualified name of the class. * <li> * Elements with the "void" tag are executed using * the outer context as the target if no target is defined * by a "class" attribute. * <li> * Java's String class is treated specially and is * written <string>Hello, world</string> where * the characters of the string are converted to bytes * using the UTF-8 character encoding. * </ul> * <p> * Although all object graphs may be written using just these three * tags, the following definitions are included so that common * data structures can be expressed more concisely: * <p> * <ul> * <li> * The default method name is "new". * <li> * A reference to a java class is written in the form * <class>javax.swing.JButton</class>. * <li> * Instances of the wrapper classes for Java's primitive types are written * using the name of the primitive type as the tag. For example, an * instance of the <code>Integer</code> class could be written: * <int>123</int>. Note that the <code>XMLEncoder</code> class * uses Java's reflection package in which the conversion between * Java's primitive types and their associated "wrapper classes" * is handled internally. The API for the <code>XMLEncoder</code> class * itself deals only with <code>Object</code>s. * <li> * In an element representing a nullary method whose name * starts with "get", the "method" attribute is replaced * with a "property" attribute whose value is given by removing * the "get" prefix and decapitalizing the result. * <li> * In an element representing a monadic method whose name * starts with "set", the "method" attribute is replaced * with a "property" attribute whose value is given by removing * the "set" prefix and decapitalizing the result. * <li> * In an element representing a method named "get" taking one * integer argument, the "method" attribute is replaced * with an "index" attribute whose value the value of the * first argument. * <li> * In an element representing a method named "set" taking two arguments, * the first of which is an integer, the "method" attribute is replaced * with an "index" attribute whose value the value of the * first argument. * <li> * A reference to an array is written using the "array" * tag. The "class" and "length" attributes specify the * sub-type of the array and its length respectively. * </ul> * *<p> * For more information you might also want to check out * <a href="http://java.sun.com/products/jfc/tsc/articles/persistence4">Using XMLEncoder</a>, * an article in <em>The Swing Connection.</em> * @see XMLDecoder * @see java.io.ObjectOutputStream * * @since 1.4 * * @author Philip Milne */ public class XMLEncoder extends Encoder implements AutoCloseable { private final CharsetEncoder encoder; private final String charset; private final boolean declaration; private OutputStreamWriter out; private Object owner; private int indentation = 0; private boolean internal = false; private Map<Object, ValueData> valueToExpression; private Map<Object, List<Statement>> targetToStatementList; private boolean preambleWritten = false; private NameGenerator nameGenerator; private class ValueData { public int refs = 0; public boolean marked = false; // Marked -> refs > 0 unless ref was a target. public String name = null; public Expression exp = null; } /** * Creates a new XML encoder to write out <em>JavaBeans</em> * to the stream <code>out</code> using an XML encoding. * * @param out the stream to which the XML representation of * the objects will be written * * @throws IllegalArgumentException * if <code>out</code> is <code>null</code> * * @see XMLDecoder#XMLDecoder(InputStream) */ public XMLEncoder(OutputStream out) { this(out, "UTF-8", true, 0); } /** * Creates a new XML encoder to write out <em>JavaBeans</em> * to the stream <code>out</code> using the given <code>charset</code> * starting from the given <code>indentation</code>. * * @param out the stream to which the XML representation of * the objects will be written * @param charset the name of the requested charset; * may be either a canonical name or an alias * @param declaration whether the XML declaration should be generated; * set this to <code>false</code> * when embedding the contents in another XML document * @param indentation the number of space characters to indent the entire XML document by * * @throws IllegalArgumentException * if <code>out</code> or <code>charset</code> is <code>null</code>, * or if <code>indentation</code> is less than 0 * * @throws IllegalCharsetNameException * if <code>charset</code> name is illegal * * @throws UnsupportedCharsetException * if no support for the named charset is available * in this instance of the Java virtual machine * * @throws UnsupportedOperationException * if loaded charset does not support encoding * * @see Charset#forName(String) * * @since 1.7 */ public XMLEncoder(OutputStream out, String charset, boolean declaration, int indentation) { if (out == null) { throw new IllegalArgumentException("the output stream cannot be null"); } if (indentation < 0) { throw new IllegalArgumentException("the indentation must be >= 0"); } Charset cs = Charset.forName(charset); this.encoder = cs.newEncoder(); this.charset = charset; this.declaration = declaration; this.indentation = indentation; this.out = new OutputStreamWriter(out, cs.newEncoder()); valueToExpression = new IdentityHashMap<>(); targetToStatementList = new IdentityHashMap<>(); nameGenerator = new NameGenerator(); } /** * Sets the owner of this encoder to <code>owner</code>. * * @param owner The owner of this encoder. * * @see #getOwner */ public void setOwner(Object owner) { this.owner = owner; writeExpression(new Expression(this, "getOwner", new Object[0])); } /** * Gets the owner of this encoder. * * @return The owner of this encoder. * * @see #setOwner */ public Object getOwner() { return owner; } /** * Write an XML representation of the specified object to the output. * * @param o The object to be written to the stream. * * @see XMLDecoder#readObject */ public void writeObject(Object o) { if (internal) { super.writeObject(o); } else { writeStatement(new Statement(this, "writeObject", new Object[]{o})); } } private List<Statement> statementList(Object target) { List<Statement> list = targetToStatementList.get(target); if (list == null) { list = new ArrayList<>(); targetToStatementList.put(target, list); } return list; } private void mark(Object o, boolean isArgument) { if (o == null || o == this) { return; } ValueData d = getValueData(o); Expression exp = d.exp; // Do not mark liternal strings. Other strings, which might, // for example, come from resource bundles should still be marked. if (o.getClass() == String.class && exp == null) { return; } // Bump the reference counts of all arguments if (isArgument) { d.refs++; } if (d.marked) { return; } d.marked = true; Object target = exp.getTarget(); mark(exp); if (!(target instanceof Class)) { statementList(target).add(exp); // Pending: Why does the reference count need to // be incremented here? d.refs++; } } private void mark(Statement stm) { Object[] args = stm.getArguments(); for (int i = 0; i < args.length; i++) { Object arg = args[i]; mark(arg, true); } mark(stm.getTarget(), stm instanceof Expression); } /** * Records the Statement so that the Encoder will * produce the actual output when the stream is flushed. * <P> * This method should only be invoked within the context * of initializing a persistence delegate. * * @param oldStm The statement that will be written * to the stream. * @see java.beans.PersistenceDelegate#initialize */ public void writeStatement(Statement oldStm) { // System.out.println("XMLEncoder::writeStatement: " + oldStm); boolean internal = this.internal; this.internal = true; try { super.writeStatement(oldStm); /* Note we must do the mark first as we may require the results of previous values in this context for this statement. Test case is: os.setOwner(this); os.writeObject(this); */ mark(oldStm); Object target = oldStm.getTarget(); if (target instanceof Field) { String method = oldStm.getMethodName(); Object[] args = oldStm.getArguments(); if ((method == null) || (args == null)) { } else if (method.equals("get") && (args.length == 1)) { target = args[0]; } else if (method.equals("set") && (args.length == 2)) { target = args[0]; } } statementList(target).add(oldStm); } catch (Exception e) { getExceptionListener().exceptionThrown(new Exception("XMLEncoder: discarding statement " + oldStm, e)); } this.internal = internal; } /** * Records the Expression so that the Encoder will * produce the actual output when the stream is flushed. * <P> * This method should only be invoked within the context of * initializing a persistence delegate or setting up an encoder to * read from a resource bundle. * <P> * For more information about using resource bundles with the * XMLEncoder, see * http://java.sun.com/products/jfc/tsc/articles/persistence4/#i18n * * @param oldExp The expression that will be written * to the stream. * @see java.beans.PersistenceDelegate#initialize */ public void writeExpression(Expression oldExp) { boolean internal = this.internal; this.internal = true; Object oldValue = getValue(oldExp); if (get(oldValue) == null || (oldValue instanceof String && !internal)) { getValueData(oldValue).exp = oldExp; super.writeExpression(oldExp); } this.internal = internal; } /** * This method writes out the preamble associated with the * XML encoding if it has not been written already and * then writes out all of the values that been * written to the stream since the last time <code>flush</code> * was called. After flushing, all internal references to the * values that were written to this stream are cleared. */ public void flush() { if (!preambleWritten) { // Don't do this in constructor - it throws ... pending. if (this.declaration) { writeln("<?xml version=" + quote("1.0") + " encoding=" + quote(this.charset) + "?>"); } writeln("<java version=" + quote(System.getProperty("java.version")) + " class=" + quote(XMLDecoder.class.getName()) + ">"); preambleWritten = true; } indentation++; List<Statement> statements = statementList(this); while (!statements.isEmpty()) { Statement s = statements.remove(0); if ("writeObject".equals(s.getMethodName())) { outputValue(s.getArguments()[0], this, true); } else { outputStatement(s, this, false); } } indentation--; Statement statement = getMissedStatement(); while (statement != null) { outputStatement(statement, this, false); statement = getMissedStatement(); } try { out.flush(); } catch (IOException e) { getExceptionListener().exceptionThrown(e); } clear(); } void clear() { super.clear(); nameGenerator.clear(); valueToExpression.clear(); targetToStatementList.clear(); } Statement getMissedStatement() { for (List<Statement> statements : this.targetToStatementList.values()) { for (int i = 0; i < statements.size(); i++) { if (Statement.class == statements.get(i).getClass()) { return statements.remove(i); } } } return null; } /** * This method calls <code>flush</code>, writes the closing * postamble and then closes the output stream associated * with this stream. */ public void close() { flush(); writeln("</java>"); try { out.close(); } catch (IOException e) { getExceptionListener().exceptionThrown(e); } } private String quote(String s) { return "\"" + s + "\""; } private ValueData getValueData(Object o) { ValueData d = valueToExpression.get(o); if (d == null) { d = new ValueData(); valueToExpression.put(o, d); } return d; } /** * Returns <code>true</code> if the argument, * a Unicode code point, is valid in XML documents. * Unicode characters fit into the low sixteen bits of a Unicode code point, * and pairs of Unicode <em>surrogate characters</em> can be combined * to encode Unicode code point in documents containing only Unicode. * (The <code>char</code> datatype in the Java Programming Language * represents Unicode characters, including unpaired surrogates.) * <par> * [2] Char ::= #x0009 | #x000A | #x000D * | [#x0020-#xD7FF] * | [#xE000-#xFFFD] * | [#x10000-#x10ffff] * </par> * * @param code the 32-bit Unicode code point being tested * @return <code>true</code> if the Unicode code point is valid, * <code>false</code> otherwise */ private static boolean isValidCharCode(int code) { return (0x0020 <= code && code <= 0xD7FF) || (0x000A == code) || (0x0009 == code) || (0x000D == code) || (0xE000 <= code && code <= 0xFFFD) || (0x10000 <= code && code <= 0x10ffff); } private void writeln(String exp) { try { StringBuilder sb = new StringBuilder(); for(int i = 0; i < indentation; i++) { sb.append(' '); } sb.append(exp); sb.append('\n'); this.out.write(sb.toString()); } catch (IOException e) { getExceptionListener().exceptionThrown(e); } } private void outputValue(Object value, Object outer, boolean isArgument) { if (value == null) { writeln("<null/>"); return; } if (value instanceof Class) { writeln("<class>" + ((Class)value).getName() + "</class>"); return; } ValueData d = getValueData(value); if (d.exp != null) { Object target = d.exp.getTarget(); String methodName = d.exp.getMethodName(); if (target == null || methodName == null) { throw new NullPointerException((target == null ? "target" : "methodName") + " should not be null"); } if (isArgument && target instanceof Field && methodName.equals("get")) { Field f = (Field)target; writeln("<object class=" + quote(f.getDeclaringClass().getName()) + " field=" + quote(f.getName()) + "/>"); return; } Class<?> primitiveType = primitiveTypeFor(value.getClass()); if (primitiveType != null && target == value.getClass() && methodName.equals("new")) { String primitiveTypeName = primitiveType.getName(); // Make sure that character types are quoted correctly. if (primitiveType == Character.TYPE) { char code = ((Character) value).charValue(); if (!isValidCharCode(code)) { writeln(createString(code)); return; } value = quoteCharCode(code); if (value == null) { value = Character.valueOf(code); } } writeln("<" + primitiveTypeName + ">" + value + "</" + primitiveTypeName + ">"); return; } } else if (value instanceof String) { writeln(createString((String) value)); return; } if (d.name != null) { if (isArgument) { writeln("<object idref=" + quote(d.name) + "/>"); } else { outputXML("void", " idref=" + quote(d.name), value); } } else if (d.exp != null) { outputStatement(d.exp, outer, isArgument); } } private static String quoteCharCode(int code) { switch(code) { case '&': return "&"; case '<': return "<"; case '>': return ">"; case '"': return """; case '\'': return "'"; case '\r': return " "; default: return null; } } private static String createString(int code) { return "<char code=\"#" + Integer.toString(code, 16) + "\"/>"; } private String createString(String string) { StringBuilder sb = new StringBuilder(); sb.append("<string>"); int index = 0; while (index < string.length()) { int point = string.codePointAt(index); int count = Character.charCount(point); if (isValidCharCode(point) && this.encoder.canEncode(string.substring(index, index + count))) { String value = quoteCharCode(point); if (value != null) { sb.append(value); } else { sb.appendCodePoint(point); } index += count; } else { sb.append(createString(string.charAt(index))); index++; } } sb.append("</string>"); return sb.toString(); } private void outputStatement(Statement exp, Object outer, boolean isArgument) { Object target = exp.getTarget(); String methodName = exp.getMethodName(); if (target == null || methodName == null) { throw new NullPointerException((target == null ? "target" : "methodName") + " should not be null"); } Object[] args = exp.getArguments(); boolean expression = exp.getClass() == Expression.class; Object value = (expression) ? getValue((Expression)exp) : null; String tag = (expression && isArgument) ? "object" : "void"; String attributes = ""; ValueData d = getValueData(value); // Special cases for targets. if (target == outer) { } else if (target == Array.class && methodName.equals("newInstance")) { tag = "array"; attributes = attributes + " class=" + quote(((Class)args[0]).getName()); attributes = attributes + " length=" + quote(args[1].toString()); args = new Object[]{}; } else if (target.getClass() == Class.class) { attributes = attributes + " class=" + quote(((Class)target).getName()); } else { d.refs = 2; if (d.name == null) { getValueData(target).refs++; List<Statement> statements = statementList(target); if (!statements.contains(exp)) { statements.add(exp); } outputValue(target, outer, false); } if (expression) { outputValue(value, outer, isArgument); } return; } if (expression && (d.refs > 1)) { String instanceName = nameGenerator.instanceName(value); d.name = instanceName; attributes = attributes + " id=" + quote(instanceName); } // Special cases for methods. if ((!expression && methodName.equals("set") && args.length == 2 && args[0] instanceof Integer) || (expression && methodName.equals("get") && args.length == 1 && args[0] instanceof Integer)) { attributes = attributes + " index=" + quote(args[0].toString()); args = (args.length == 1) ? new Object[]{} : new Object[]{args[1]}; } else if ((!expression && methodName.startsWith("set") && args.length == 1) || (expression && methodName.startsWith("get") && args.length == 0)) { if (3 < methodName.length()) { attributes = attributes + " property=" + quote(Introspector.decapitalize(methodName.substring(3))); } } else if (!methodName.equals("new") && !methodName.equals("newInstance")) { attributes = attributes + " method=" + quote(methodName); } outputXML(tag, attributes, value, args); } private void outputXML(String tag, String attributes, Object value, Object... args) { List<Statement> statements = statementList(value); // Use XML's short form when there is no body. if (args.length == 0 && statements.size() == 0) { writeln("<" + tag + attributes + "/>"); return; } writeln("<" + tag + attributes + ">"); indentation++; for(int i = 0; i < args.length; i++) { outputValue(args[i], null, true); } while (!statements.isEmpty()) { Statement s = statements.remove(0); outputStatement(s, value, false); } indentation--; writeln("</" + tag + ">"); } @SuppressWarnings("rawtypes") static Class primitiveTypeFor(Class wrapper) { if (wrapper == Boolean.class) return Boolean.TYPE; if (wrapper == Byte.class) return Byte.TYPE; if (wrapper == Character.class) return Character.TYPE; if (wrapper == Short.class) return Short.TYPE; if (wrapper == Integer.class) return Integer.TYPE; if (wrapper == Long.class) return Long.TYPE; if (wrapper == Float.class) return Float.TYPE; if (wrapper == Double.class) return Double.TYPE; if (wrapper == Void.class) return Void.TYPE; return null; } }
⏎ java/beans/XMLEncoder.java
Or download all of them as a single archive file:
File name: jre-rt-java-1.8.0_191-src.zip File size: 6664831 bytes Release date: 2018-10-28 Download
⇒ JRE 8 rt.jar - javax.* Package Source Code
2023-08-23, 247988👍, 4💬
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