1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/boot/src/main/java/org/netbeans/html/boot/impl/JsClassLoader.java Mon Dec 16 16:59:43 2013 +0100
1.3 @@ -0,0 +1,133 @@
1.4 +/**
1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 + *
1.7 + * Copyright 1997-2010 Oracle and/or its affiliates. All rights reserved.
1.8 + *
1.9 + * Oracle and Java are registered trademarks of Oracle and/or its affiliates.
1.10 + * Other names may be trademarks of their respective owners.
1.11 + *
1.12 + * The contents of this file are subject to the terms of either the GNU
1.13 + * General Public License Version 2 only ("GPL") or the Common
1.14 + * Development and Distribution License("CDDL") (collectively, the
1.15 + * "License"). You may not use this file except in compliance with the
1.16 + * License. You can obtain a copy of the License at
1.17 + * http://www.netbeans.org/cddl-gplv2.html
1.18 + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
1.19 + * specific language governing permissions and limitations under the
1.20 + * License. When distributing the software, include this License Header
1.21 + * Notice in each file and include the License file at
1.22 + * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
1.23 + * particular file as subject to the "Classpath" exception as provided
1.24 + * by Oracle in the GPL Version 2 section of the License file that
1.25 + * accompanied this code. If applicable, add the following below the
1.26 + * License Header, with the fields enclosed by brackets [] replaced by
1.27 + * your own identifying information:
1.28 + * "Portions Copyrighted [year] [name of copyright owner]"
1.29 + *
1.30 + * Contributor(s):
1.31 + *
1.32 + * The Original Software is NetBeans. The Initial Developer of the Original
1.33 + * Software is Oracle. Portions Copyright 2013-2013 Oracle. All Rights Reserved.
1.34 + *
1.35 + * If you wish your version of this file to be governed by only the CDDL
1.36 + * or only the GPL Version 2, indicate your decision by adding
1.37 + * "[Contributor] elects to include this software in this distribution
1.38 + * under the [CDDL or GPL Version 2] license." If you do not indicate a
1.39 + * single choice of license, a recipient has the option to distribute
1.40 + * your version of this file under either the CDDL, the GPL Version 2 or
1.41 + * to extend the choice of license to its licensees as provided above.
1.42 + * However, if you add GPL Version 2 code and therefore, elected the GPL
1.43 + * Version 2 license, then the option applies only if the new code is
1.44 + * made subject to such option by the copyright holder.
1.45 + */
1.46 +package org.netbeans.html.boot.impl;
1.47 +
1.48 +import org.apidesign.html.boot.spi.Fn;
1.49 +import java.io.IOException;
1.50 +import java.io.InputStream;
1.51 +import java.io.Reader;
1.52 +import java.net.URL;
1.53 +import java.util.Enumeration;
1.54 +
1.55 +/**
1.56 + *
1.57 + * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.58 + */
1.59 +abstract class JsClassLoader extends ClassLoader {
1.60 + JsClassLoader(ClassLoader parent) {
1.61 + super(parent);
1.62 + setDefaultAssertionStatus(JsClassLoader.class.desiredAssertionStatus());
1.63 + }
1.64 +
1.65 + @Override
1.66 + protected abstract URL findResource(String name);
1.67 +
1.68 + @Override
1.69 + protected abstract Enumeration<URL> findResources(String name);
1.70 +
1.71 + @Override
1.72 + protected Class<?> findClass(String name) throws ClassNotFoundException {
1.73 + if (name.startsWith("javafx")) {
1.74 + return Class.forName(name);
1.75 + }
1.76 + if (name.startsWith("netscape")) {
1.77 + return Class.forName(name);
1.78 + }
1.79 + if (name.startsWith("com.sun")) {
1.80 + return Class.forName(name);
1.81 + }
1.82 + if (name.equals(JsClassLoader.class.getName())) {
1.83 + return JsClassLoader.class;
1.84 + }
1.85 + if (name.equals(Fn.class.getName())) {
1.86 + return Fn.class;
1.87 + }
1.88 + if (name.equals(Fn.Presenter.class.getName())) {
1.89 + return Fn.Presenter.class;
1.90 + }
1.91 + if (name.equals(FnUtils.class.getName())) {
1.92 + return FnUtils.class;
1.93 + }
1.94 + if (
1.95 + name.equals("org.apidesign.html.boot.spi.Fn") ||
1.96 + name.equals("org.netbeans.html.boot.impl.FnUtils") ||
1.97 + name.equals("org.netbeans.html.boot.impl.FnContext")
1.98 + ) {
1.99 + return Class.forName(name);
1.100 + }
1.101 + URL u = findResource(name.replace('.', '/') + ".class");
1.102 + if (u != null) {
1.103 + InputStream is = null;
1.104 + try {
1.105 + is = u.openStream();
1.106 + byte[] arr = new byte[is.available()];
1.107 + int len = 0;
1.108 + while (len < arr.length) {
1.109 + int read = is.read(arr, len, arr.length - len);
1.110 + if (read == -1) {
1.111 + throw new IOException("Can't read " + u);
1.112 + }
1.113 + len += read;
1.114 + }
1.115 + is.close();
1.116 + is = null;
1.117 + arr = FnUtils.transform(JsClassLoader.this, arr);
1.118 + if (arr != null) {
1.119 + return defineClass(name, arr, 0, arr.length);
1.120 + }
1.121 + } catch (IOException ex) {
1.122 + throw new ClassNotFoundException("Can't load " + name, ex);
1.123 + } finally {
1.124 + try {
1.125 + if (is != null) is.close();
1.126 + } catch (IOException ex) {
1.127 + throw new ClassNotFoundException(null, ex);
1.128 + }
1.129 + }
1.130 + }
1.131 + return super.findClass(name);
1.132 + }
1.133 +
1.134 + protected abstract Fn defineFn(String code, String... names);
1.135 + protected abstract void loadScript(Reader code) throws Exception;
1.136 +}