jaxws/src/jdk.xml.bind/share/classes/org/relaxng/datatype/helpers/DatatypeLibraryLoader.java
--- a/jaxws/src/jdk.xml.bind/share/classes/org/relaxng/datatype/helpers/DatatypeLibraryLoader.java Wed Jul 05 20:51:37 2017 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,261 +0,0 @@
-/**
- * Copyright (c) 2001, Thai Open Source Software Center Ltd
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 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.
- *
- * Neither the name of the Thai Open Source Software Center Ltd nor
- * the names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS 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 REGENTS OR
- * 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.
- */
-package org.relaxng.datatype.helpers;
-
-import org.relaxng.datatype.DatatypeLibraryFactory;
-import org.relaxng.datatype.DatatypeLibrary;
-import java.util.Enumeration;
-import java.util.NoSuchElementException;
-import java.util.Vector;
-import java.io.Reader;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.net.URL;
-
-/**
- * Discovers the datatype library implementation from the classpath.
- *
- * <p>
- * The call of the createDatatypeLibrary method finds an implementation
- * from a given datatype library URI at run-time.
- */
-public class DatatypeLibraryLoader implements DatatypeLibraryFactory {
- private final Service service = new Service(DatatypeLibraryFactory.class);
-
- public DatatypeLibrary createDatatypeLibrary(String uri) {
- for (Enumeration e = service.getProviders();
- e.hasMoreElements();) {
- DatatypeLibraryFactory factory
- = (DatatypeLibraryFactory)e.nextElement();
- DatatypeLibrary library = factory.createDatatypeLibrary(uri);
- if (library != null)
- return library;
- }
- return null;
- }
-
- private static class Service {
- private final Class serviceClass;
- private final Enumeration configFiles;
- private Enumeration classNames = null;
- private final Vector providers = new Vector();
- private Loader loader;
-
- private class ProviderEnumeration implements Enumeration {
- private int nextIndex = 0;
-
- public boolean hasMoreElements() {
- return nextIndex < providers.size() || moreProviders();
- }
-
- public Object nextElement() {
- try {
- return providers.elementAt(nextIndex++);
- }
- catch (ArrayIndexOutOfBoundsException e) {
- throw new NoSuchElementException();
- }
- }
- }
-
- private static class Singleton implements Enumeration {
- private Object obj;
- private Singleton(Object obj) {
- this.obj = obj;
- }
-
- public boolean hasMoreElements() {
- return obj != null;
- }
-
- public Object nextElement() {
- if (obj == null)
- throw new NoSuchElementException();
- Object tem = obj;
- obj = null;
- return tem;
- }
- }
-
- // JDK 1.1
- private static class Loader {
- Enumeration getResources(String resName) {
- ClassLoader cl = Loader.class.getClassLoader();
- URL url;
- if (cl == null)
- url = ClassLoader.getSystemResource(resName);
- else
- url = cl.getResource(resName);
- return new Singleton(url);
- }
-
- Class loadClass(String name) throws ClassNotFoundException {
- return Class.forName(name);
- }
- }
-
- // JDK 1.2+
- private static class Loader2 extends Loader {
- private ClassLoader cl;
-
- Loader2() {
- cl = Loader2.class.getClassLoader();
- // If the thread context class loader has the class loader
- // of this class as an ancestor, use the thread context class
- // loader. Otherwise, the thread context class loader
- // probably hasn't been set up properly, so don't use it.
- ClassLoader clt = Thread.currentThread().getContextClassLoader();
- for (ClassLoader tem = clt; tem != null; tem = tem.getParent())
- if (tem == cl) {
- cl = clt;
- break;
- }
- }
-
- Enumeration getResources(String resName) {
- try {
- return cl.getResources(resName);
- }
- catch (IOException e) {
- return new Singleton(null);
- }
- }
-
- Class loadClass(String name) throws ClassNotFoundException {
- return Class.forName(name, true, cl);
- }
- }
-
- public Service(Class cls) {
- try {
- loader = new Loader2();
- }
- catch (NoSuchMethodError e) {
- loader = new Loader();
- }
- serviceClass = cls;
- String resName = "META-INF/services/" + serviceClass.getName();
- configFiles = loader.getResources(resName);
- }
-
- public Enumeration getProviders() {
- return new ProviderEnumeration();
- }
-
- synchronized private boolean moreProviders() {
- for (;;) {
- while (classNames == null) {
- if (!configFiles.hasMoreElements())
- return false;
- classNames = parseConfigFile((URL)configFiles.nextElement());
- }
- while (classNames.hasMoreElements()) {
- String className = (String)classNames.nextElement();
- try {
- Class cls = loader.loadClass(className);
- Object obj = cls.newInstance();
- if (serviceClass.isInstance(obj)) {
- providers.addElement(obj);
- return true;
- }
- }
- catch (ClassNotFoundException e) { }
- catch (InstantiationException e) { }
- catch (IllegalAccessException e) { }
- catch (LinkageError e) { }
- }
- classNames = null;
- }
- }
-
- private static final int START = 0;
- private static final int IN_NAME = 1;
- private static final int IN_COMMENT = 2;
-
- private static Enumeration parseConfigFile(URL url) {
- try {
- InputStream in = url.openStream();
- Reader r;
- try {
- r = new InputStreamReader(in, "UTF-8");
- }
- catch (UnsupportedEncodingException e) {
- r = new InputStreamReader(in, "UTF8");
- }
- r = new BufferedReader(r);
- Vector tokens = new Vector();
- StringBuffer tokenBuf = new StringBuffer();
- int state = START;
- for (;;) {
- int n = r.read();
- if (n < 0)
- break;
- char c = (char)n;
- switch (c) {
- case '\r':
- case '\n':
- state = START;
- break;
- case ' ':
- case '\t':
- break;
- case '#':
- state = IN_COMMENT;
- break;
- default:
- if (state != IN_COMMENT) {
- state = IN_NAME;
- tokenBuf.append(c);
- }
- break;
- }
- if (tokenBuf.length() != 0 && state != IN_NAME) {
- tokens.addElement(tokenBuf.toString());
- tokenBuf.setLength(0);
- }
- }
- if (tokenBuf.length() != 0)
- tokens.addElement(tokenBuf.toString());
- return tokens.elements();
- }
- catch (IOException e) {
- return null;
- }
- }
- }
-
-}