| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.netbinox; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.security.ProtectionDomain; |
| import java.util.logging.Level; |
| import org.eclipse.osgi.baseadaptor.BaseData; |
| import org.eclipse.osgi.baseadaptor.bundlefile.BundleEntry; |
| import org.eclipse.osgi.baseadaptor.bundlefile.BundleFile; |
| import org.eclipse.osgi.baseadaptor.loader.BaseClassLoader; |
| import org.eclipse.osgi.baseadaptor.loader.ClasspathEntry; |
| import org.eclipse.osgi.baseadaptor.loader.ClasspathManager; |
| import org.eclipse.osgi.framework.adaptor.ClassLoaderDelegate; |
| import org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader; |
| import org.osgi.framework.FrameworkEvent; |
| |
| /** Classloader that eliminates some unnecessary disk touches. |
| * |
| * @author Jaroslav Tulach <jtulach@netbeans.org> |
| */ |
| final class NetbinoxLoader extends DefaultClassLoader { |
| static { |
| registerAsParallelCapable(); |
| } |
| |
| public NetbinoxLoader(ClassLoader parent, ClassLoaderDelegate delegate, ProtectionDomain domain, BaseData bd, String[] classpath) { |
| super(parent, delegate, domain, bd, classpath); |
| this.manager = new NoTouchCPM(bd, classpath, this); |
| } |
| |
| @Override |
| protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException { |
| assert !Thread.holdsLock(this) : |
| "Classloading while holding classloader lock!"; |
| return super.loadClass(name, resolve); |
| } |
| |
| @Override |
| public String toString() { |
| return "NetbinoxLoader delegating to " + delegate; |
| } |
| |
| private static class NoTouchCPM extends ClasspathManager { |
| public NoTouchCPM(BaseData data, String[] classpath, BaseClassLoader classloader) { |
| super(data, classpath, classloader); |
| } |
| |
| @Override |
| public ClasspathEntry getClasspath(String cp, BaseData sourcedata, ProtectionDomain sourcedomain) { |
| BundleFile bundlefile = null; |
| File file; |
| BundleEntry cpEntry = sourcedata.getBundleFile().getEntry(cp); |
| // check for internal library directories in a bundle jar file |
| if (cpEntry != null && cpEntry.getName().endsWith("/")) //$NON-NLS-1$ |
| { |
| bundlefile = createBundleFile(cp, sourcedata); |
| } // check for internal library jars |
| else if ((file = sourcedata.getBundleFile().getFile(cp, false)) != null) { |
| bundlefile = createBundleFile(file, sourcedata); |
| } |
| if (bundlefile != null) { |
| return createClassPathEntry(bundlefile, sourcedomain, sourcedata); |
| } |
| return null; |
| } |
| |
| @Override |
| public ClasspathEntry getExternalClassPath(String cp, BaseData sourcedata, ProtectionDomain sourcedomain) { |
| File file; |
| if (cp.startsWith("file:")) { // NOI18N |
| try { |
| file = org.openide.util.Utilities.toFile(new URI(cp)); |
| } catch (URISyntaxException ex) { |
| NetbinoxFactory.LOG.log(Level.SEVERE, "Cannot convert to file: " + cp, ex); // NOI18N |
| return null; |
| } |
| } else { |
| file = new File(cp); |
| } |
| if (!file.isAbsolute() && !cp.startsWith("file:")) { // NOI18N |
| return null; |
| } |
| BundleFile bundlefile = createBundleFile(file, sourcedata); |
| if (bundlefile != null) { |
| return createClassPathEntry(bundlefile, sourcedomain, sourcedata); |
| } |
| return null; |
| } |
| |
| private static BundleFile createBundleFile(Object content, BaseData sourcedata) { |
| try { |
| return sourcedata.getAdaptor().createBundleFile(content, sourcedata); |
| } catch (IOException e) { |
| sourcedata.getAdaptor().getEventPublisher().publishFrameworkEvent(FrameworkEvent.ERROR, sourcedata.getBundle(), e); |
| } |
| return null; |
| } |
| private ClasspathEntry createClassPathEntry(BundleFile bundlefile, ProtectionDomain cpDomain, final BaseData data) { |
| return new ClasspathEntry(bundlefile, createProtectionDomain(bundlefile, cpDomain)) { |
| @Override |
| public BaseData getBaseData() { |
| return data; |
| } |
| }; |
| } |
| } // end of NoTouchCPM |
| } |