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/**
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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*
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* Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
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*
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* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
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* Other names may be trademarks of their respective owners.
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*
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common
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* Development and Distribution License("CDDL") (collectively, the
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* "License"). You may not use this file except in compliance with the
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* License. You can obtain a copy of the License at
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* http://www.netbeans.org/cddl-gplv2.html
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* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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* specific language governing permissions and limitations under the
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* License. When distributing the software, include this License Header
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* Notice in each file and include the License file at
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* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the
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* License Header, with the fields enclosed by brackets [] replaced by
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* your own identifying information:
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* "Portions Copyrighted [year] [name of copyright owner]"
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*
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* Contributor(s):
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*
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* The Original Software is NetBeans. The Initial Developer of the Original
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* Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
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*
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* If you wish your version of this file to be governed by only the CDDL
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* or only the GPL Version 2, indicate your decision by adding
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* "[Contributor] elects to include this software in this distribution
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* under the [CDDL or GPL Version 2] license." If you do not indicate a
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* single choice of license, a recipient has the option to distribute
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* your version of this file under either the CDDL, the GPL Version 2 or
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* to extend the choice of license to its licensees as provided above.
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* However, if you add GPL Version 2 code and therefore, elected the GPL
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* Version 2 license, then the option applies only if the new code is
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* made subject to such option by the copyright holder.
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*/
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package org.netbeans.html.boot.impl;
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import org.apidesign.html.boot.spi.Fn;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.Reader;
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import java.net.URL;
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import java.util.Enumeration;
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/**
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*
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* @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*/
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abstract class JsClassLoader extends ClassLoader {
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JsClassLoader(ClassLoader parent) {
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super(parent);
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setDefaultAssertionStatus(JsClassLoader.class.desiredAssertionStatus());
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}
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@Override
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protected abstract URL findResource(String name);
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@Override
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protected abstract Enumeration<URL> findResources(String name);
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@Override
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protected Class<?> findClass(String name) throws ClassNotFoundException {
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if (name.startsWith("javafx")) {
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return Class.forName(name);
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}
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if (name.startsWith("netscape")) {
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return Class.forName(name);
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}
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if (name.startsWith("com.sun")) {
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return Class.forName(name);
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}
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if (name.equals(JsClassLoader.class.getName())) {
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return JsClassLoader.class;
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}
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if (name.equals(Fn.class.getName())) {
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return Fn.class;
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}
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if (name.equals(Fn.Presenter.class.getName())) {
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return Fn.Presenter.class;
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}
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if (name.equals(FnUtils.class.getName())) {
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return FnUtils.class;
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}
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if (
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name.equals("org.apidesign.html.boot.spi.Fn") ||
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name.equals("org.netbeans.html.boot.impl.FnUtils") ||
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name.equals("org.netbeans.html.boot.impl.FnContext")
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) {
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return Class.forName(name);
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}
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URL u = findResource(name.replace('.', '/') + ".class");
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if (u != null) {
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InputStream is = null;
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try {
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is = u.openStream();
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byte[] arr = new byte[is.available()];
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int len = 0;
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while (len < arr.length) {
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int read = is.read(arr, len, arr.length - len);
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if (read == -1) {
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throw new IOException("Can't read " + u);
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}
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len += read;
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}
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is.close();
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is = null;
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arr = FnUtils.transform(JsClassLoader.this, arr);
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if (arr != null) {
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return defineClass(name, arr, 0, arr.length);
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}
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} catch (IOException ex) {
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throw new ClassNotFoundException("Can't load " + name, ex);
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} finally {
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try {
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if (is != null) is.close();
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} catch (IOException ex) {
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throw new ClassNotFoundException(null, ex);
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}
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}
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}
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return super.findClass(name);
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}
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protected abstract Fn defineFn(String code, String... names);
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protected abstract void loadScript(Reader code) throws Exception;
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}
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