--- old/src/java.corba/share/classes/com/sun/jndi/cosnaming/CNNameParser.java 2018-01-30 20:23:34.000000000 -0500 +++ /dev/null 2018-01-30 20:23:34.000000000 -0500 @@ -1,500 +0,0 @@ -/* - * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package com.sun.jndi.cosnaming; - -import javax.naming.*; -import java.util.Properties; -import java.util.Vector; -import java.util.Enumeration; - -import org.omg.CosNaming.NameComponent; - -/** - * Parsing routines for NameParser as well as COS Naming stringified names. - * This is used by CNCtx to create a NameComponent[] object and vice versa. - * It follows Section 4.5 of Interoperable Naming Service (INS) 98-10-11. - * In summary, the stringified form is a left-to-right, forward-slash - * separated name. id and kinds are separated by '.'. backslash is the - * escape character. - * - * @author Rosanna Lee - */ - -final public class CNNameParser implements NameParser { - - private static final Properties mySyntax = new Properties(); - private static final char kindSeparator = '.'; - private static final char compSeparator = '/'; - private static final char escapeChar = '\\'; - static { - mySyntax.put("jndi.syntax.direction", "left_to_right"); - mySyntax.put("jndi.syntax.separator", ""+compSeparator); - mySyntax.put("jndi.syntax.escape", ""+escapeChar); - }; - - /** - * Constructs a new name parser for parsing names in INS syntax. - */ - public CNNameParser() { - } - - /** - * Returns a CompoundName given a string in INS syntax. - * @param name The non-null string representation of the name. - * @return a non-null CompoundName - */ - public Name parse(String name) throws NamingException { - Vector comps = insStringToStringifiedComps(name); - return new CNCompoundName(comps.elements()); - } - - /** - * Creates a NameComponent[] from a Name structure. - * Used by CNCtx to convert the input Name arg into a NameComponent[]. - * @param a CompoundName or a CompositeName; - * each component must be the stringified form of a NameComponent. - */ - static NameComponent[] nameToCosName(Name name) - throws InvalidNameException { - int len = name.size(); - if (len == 0) { - return new NameComponent[0]; - } - - NameComponent[] answer = new NameComponent[len]; - for (int i = 0; i < len; i++) { - answer[i] = parseComponent(name.get(i)); - } - return answer; - } - - /** - * Returns the INS stringified form of a NameComponent[]. - * Used by CNCtx.getNameInNamespace(), CNCompoundName.toString(). - */ - static String cosNameToInsString(NameComponent[] cname) { - StringBuilder str = new StringBuilder(); - for ( int i = 0; i < cname.length; i++) { - if ( i > 0) { - str.append(compSeparator); - } - str.append(stringifyComponent(cname[i])); - } - return str.toString(); - } - - /** - * Creates a CompositeName from a NameComponent[]. - * Used by ExceptionMapper and CNBindingEnumeration to convert - * a NameComponent[] into a composite name. - */ - static Name cosNameToName(NameComponent[] cname) { - Name nm = new CompositeName(); - for ( int i = 0; cname != null && i < cname.length; i++) { - try { - nm.add(stringifyComponent(cname[i])); - } catch (InvalidNameException e) { - // ignore - } - } - return nm; - } - - /** - * Converts an INS-syntax string name into a Vector in which - * each element of the vector contains a stringified form of - * a NameComponent. - */ - private static Vector insStringToStringifiedComps(String str) - throws InvalidNameException { - - int len = str.length(); - Vector components = new Vector<>(10); - char[] id = new char[len]; - char[] kind = new char[len]; - int idCount, kindCount; - boolean idMode; - for (int i = 0; i < len; ) { - idCount = kindCount = 0; // reset for new component - idMode = true; // always start off parsing id - while (i < len) { - if (str.charAt(i) == compSeparator) { - break; - - } else if (str.charAt(i) == escapeChar) { - if (i + 1 >= len) { - throw new InvalidNameException(str + - ": unescaped \\ at end of component"); - } else if (isMeta(str.charAt(i+1))) { - ++i; // skip escape and let meta through - if (idMode) { - id[idCount++] = str.charAt(i++); - } else { - kind[kindCount++] = str.charAt(i++); - } - } else { - throw new InvalidNameException(str + - ": invalid character being escaped"); - } - - } else if (idMode && str.charAt(i) == kindSeparator) { - // just look for the first kindSeparator - ++i; // skip kind separator - idMode = false; - - } else { - if (idMode) { - id[idCount++] = str.charAt(i++); - } else { - kind[kindCount++] = str.charAt(i++); - } - } - } - components.addElement(stringifyComponent( - new NameComponent(new String(id, 0, idCount), - new String(kind, 0, kindCount)))); - - if (i < len) { - ++i; // skip separator - } - } - - return components; - } - - /** - * Return a NameComponent given its stringified form. - */ - private static NameComponent parseComponent(String compStr) - throws InvalidNameException { - NameComponent comp = new NameComponent(); - int kindSep = -1; - int len = compStr.length(); - - int j = 0; - char[] newStr = new char[len]; - boolean escaped = false; - - // Find the kind separator - for (int i = 0; i < len && kindSep < 0; i++) { - if (escaped) { - newStr[j++] = compStr.charAt(i); - escaped = false; - } else if (compStr.charAt(i) == escapeChar) { - if (i + 1 >= len) { - throw new InvalidNameException(compStr + - ": unescaped \\ at end of component"); - } else if (isMeta(compStr.charAt(i+1))) { - escaped = true; - } else { - throw new InvalidNameException(compStr + - ": invalid character being escaped"); - } - } else if (compStr.charAt(i) == kindSeparator) { - kindSep = i; - } else { - newStr[j++] = compStr.charAt(i); - } - } - - // Set id - comp.id = new String(newStr, 0, j); - - // Set kind - if (kindSep < 0) { - comp.kind = ""; // no kind separator - } else { - // unescape kind - j = 0; - escaped = false; - for (int i = kindSep+1; i < len; i++) { - if (escaped) { - newStr[j++] = compStr.charAt(i); - escaped = false; - } else if (compStr.charAt(i) == escapeChar) { - if (i + 1 >= len) { - throw new InvalidNameException(compStr + - ": unescaped \\ at end of component"); - } else if (isMeta(compStr.charAt(i+1))) { - escaped = true; - } else { - throw new InvalidNameException(compStr + - ": invalid character being escaped"); - } - } else { - newStr[j++] = compStr.charAt(i); - } - } - comp.kind = new String(newStr, 0, j); - } - return comp; - } - - private static String stringifyComponent(NameComponent comp) { - StringBuilder one = new StringBuilder(escape(comp.id)); - if (comp.kind != null && !comp.kind.equals("")) { - one.append(kindSeparator).append(escape(comp.kind)); - } - if (one.length() == 0) { - return ""+kindSeparator; // if neither id nor kind specified - } else { - return one.toString(); - } - } - - /** - * Returns a string with '.', '\', '/' escaped. Used when - * stringifying the name into its INS stringified form. - */ - private static String escape(String str) { - if (str.indexOf(kindSeparator) < 0 && - str.indexOf(compSeparator) < 0 && - str.indexOf(escapeChar) < 0) { - return str; // no meta characters to escape - } else { - int len = str.length(); - int j = 0; - char[] newStr = new char[len+len]; - for (int i = 0; i < len; i++) { - if (isMeta(str.charAt(i))) { - newStr[j++] = escapeChar; // escape meta character - } - newStr[j++] = str.charAt(i); - } - return new String(newStr, 0, j); - } - } - - /** - * In INS, there are three meta characters: '.', '/' and '\'. - */ - private static boolean isMeta(char ch) { - switch (ch) { - case kindSeparator: - case compSeparator: - case escapeChar: - return true; - } - return false; - } - - /** - * An implementation of CompoundName that bypasses the parsing - * and stringifying code of the default CompoundName. - */ - static final class CNCompoundName extends CompoundName { - CNCompoundName(Enumeration enum_) { - super(enum_, CNNameParser.mySyntax); - } - - public Object clone() { - return new CNCompoundName(getAll()); - } - - public Name getPrefix(int posn) { - Enumeration comps = super.getPrefix(posn).getAll(); - return new CNCompoundName(comps); - } - - public Name getSuffix(int posn) { - Enumeration comps = super.getSuffix(posn).getAll(); - return new CNCompoundName(comps); - } - - public String toString() { - try { - // Convert Name to NameComponent[] then stringify - return cosNameToInsString(nameToCosName(this)); - } catch (InvalidNameException e) { - return super.toString(); - } - } - - private static final long serialVersionUID = -6599252802678482317L; - } - -// for testing only -/* - private static void print(String input) { - try { - System.out.println("\n >>>>>> input: " + input); - - System.out.println("--Compound Name: "); - NameParser parser = new CNNameParser(); - Name name = parser.parse(input); - for (int i = 0; i < name.size(); i++) { - System.out.println("\t" + i + ": " + name.get(i)); - NameComponent cp = parseComponent(name.get(i)); - System.out.println("\t\t" + "id: " + cp.id + ";kind: " + cp.kind); - } - System.out.println("\t" + name.toString()); - - System.out.println("--Composite Name: "); - Name composite = new CompositeName(input); - for (int i = 0; i < composite.size(); i++) { - System.out.println("\t" + i+": " + composite.get(i)); - } - System.out.println("\t" + composite.toString()); - - System.out.println("--Composite To NameComponent"); - NameComponent[] names = nameToCosName(composite); - for (int i = 0; i < composite.size(); i++) { - System.out.println("\t" + i+": id: " + names[i].id + "; kind: " + names[i].kind); - } - System.out.println("\t" + cosNameToInsString(names)); - } catch (NamingException e) { - System.out.println(e); - } - } - - private static void checkName(Name name, String[] comps) throws Exception { - if (name.size() != comps.length) { - throw new Exception( - "test failed; incorrect component count in " + name + "; " + - "expecting " + comps.length + " got " + name.size()); - } - for (int i = 0; i < name.size(); i++) { - if (!comps[i].equals(name.get(i))) { - throw new Exception ( - "test failed; invalid component in " + name + "; " + - "expecting '" + comps[i] + "' got '" + name.get(i) + "'"); - } - } - } - - private static void checkCompound(NameParser parser, - String input, String[] comps) throws Exception { - checkName(parser.parse(input), comps); - } - - private static void checkComposite(String input, String[] comps) - throws Exception { - checkName(new CompositeName(input), comps); - } - - private static String[] compounds = { - "a/b/c", - "a.b/c.d", - "a", - ".", - "a.", - "c.d", - ".e", - "a/x\\/y\\/z/b", - "a\\.b.c\\.d/e.f", - "a/b\\\\/c", - "x\\\\.y", - "x\\.y", - "x.\\\\y", - "x.y\\\\", - "\\\\x.y", - "a.b\\.c/d" - }; - private static String[][] compoundComps = { - {"a", "b", "c"}, - {"a.b", "c.d"}, - {"a"}, - {"."}, - {"a"}, - {"c.d"}, - {".e"}, - {"a", "x\\/y\\/z", "b"}, - {"a\\.b.c\\.d", "e.f"}, - {"a", "b\\\\", "c"}, - {"x\\\\.y"}, - {"x\\.y"}, - {"x.\\\\y"}, - {"x.y\\\\"}, - {"\\\\x.y"}, - {"a.b\\.c", "d"}, - }; - - private static String[] composites = { - "a/b/c", - "a.b/c.d", - "a", - ".", - "a.", - "c.d", - ".e", - "a/x\\\\\\/y\\\\\\/z/b", - "a\\\\.b.c\\\\.d/e.f", - "a/b\\\\\\\\/c", - "x\\\\\\.y", - "x\\\\.y", - "x.\\\\\\\\y", - "x.y\\\\\\\\", - "\\\\\\\\x.y" - }; - - private static String[][] compositeComps = { - {"a", "b", "c"}, - {"a.b", "c.d"}, - {"a"}, - {"."}, - {"a."}, // unlike compound, kind sep is not consumed - {"c.d"}, - {".e"}, - {"a", "x\\/y\\/z", "b"}, - {"a\\.b.c\\.d", "e.f"}, - {"a", "b\\\\", "c"}, - {"x\\\\.y"}, - {"x\\.y"}, - {"x.\\\\y"}, - {"x.y\\\\"}, - {"\\\\x.y"} - }; - - public static void main(String[] args) throws Exception { - if (args.length > 0) { - for (int i = 0; i < args.length; i++) { - print(args[0]); - } - } else { - print("x\\\\.y"); - print("x\\.y"); - print("x.\\\\y"); - print("x.y\\\\"); - print("\\\\x.y"); - } - - NameParser parser = new com.sun.jndi.cosnaming.CNNameParser(); - for (int i = 0; i < compounds.length; i++) { - checkCompound(parser, compounds[i], compoundComps[i]); - } - for (int i = 0; i < composites.length; i++) { - checkComposite(composites[i], compositeComps[i]); - } - - System.out.println("hardwire"); - NameComponent[] foo = new NameComponent[1]; - foo[0] = new NameComponent("foo\\", "bar"); - - System.out.println(cosNameToInsString(foo)); - System.out.println(cosNameToName(foo)); - } -*/ -}