| /* |
| * 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; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.net.URL; |
| import java.util.Collections; |
| import java.util.Enumeration; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.jar.Manifest; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.openide.util.Enumerations; |
| import org.openide.util.Exceptions; |
| |
| /** Special module for representing OSGi bundles |
| * @author Jaroslav Tulach |
| */ |
| final class NetigsoModule extends Module { |
| private static final Logger LOG = Logger.getLogger(NetigsoModule.class.getName()); |
| |
| private final File jar; |
| private final Manifest manifest; |
| private int startLevel = -1; |
| private InvalidException problem; |
| |
| public NetigsoModule(Manifest mani, File jar, ModuleManager mgr, Events ev, Object history, boolean reloadable, boolean autoload, boolean eager) throws IOException { |
| super(mgr, ev, history, reloadable, autoload, eager); |
| this.jar = jar; |
| this.manifest = mani; |
| } |
| |
| @Override |
| ModuleData createData(ObjectInput in, Manifest mf) throws IOException { |
| if (in != null) { |
| return new ModuleData(in); |
| } else { |
| return new ModuleData(mf, this); |
| } |
| } |
| |
| @Override |
| boolean isNetigsoImpl() { |
| return true; |
| } |
| |
| @Override |
| protected void parseManifest() throws InvalidException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public File getJarFile() { |
| return jar; |
| } |
| |
| @Override |
| public List<File> getAllJars() { |
| return Collections.singletonList(jar); |
| } |
| |
| @Override |
| public void setReloadable(boolean r) { |
| reloadable = true; |
| } |
| |
| @Override |
| public void reload() throws IOException { |
| mgr.netigso().reload(this); |
| } |
| |
| final void start() throws IOException { |
| ProxyClassLoader pcl = (ProxyClassLoader)classloader; |
| try { |
| Set<String> pkgs = mgr.netigso().createLoader(this, pcl, this.jar); |
| pcl.addCoveredPackages(pkgs); |
| } catch (IOException ex) { |
| classloader = null; |
| throw ex; |
| } |
| } |
| |
| @Override |
| protected void classLoaderUp(Set<Module> parents) throws IOException { |
| NetigsoModule.LOG.log(Level.FINE, "classLoaderUp {0}", getCodeNameBase()); // NOI18N |
| assert classloader == null : "already had " + classloader + " for " + this; |
| classloader = new DelegateCL(); |
| mgr.netigsoLoaderUp(this); |
| } |
| |
| @Override |
| protected void classLoaderDown() { |
| NetigsoModule.LOG.log(Level.FINE, "classLoaderDown {0}", getCodeNameBase()); // NOI18N |
| ProxyClassLoader pcl = (ProxyClassLoader)classloader; |
| classloader = null; |
| ClassLoader l = pcl.firstParent(); |
| if (l == null) { |
| mgr.netigsoLoaderDown(this); |
| return; |
| } |
| mgr.netigso().stopLoader(this, l); |
| } |
| |
| @Override |
| public ClassLoader getClassLoader() throws IllegalArgumentException { |
| if (classloader == null) { |
| try { |
| classLoaderUp(null); |
| } catch (IOException ex) { |
| Exceptions.printStackTrace(ex); |
| } |
| } |
| if (classloader == null) { |
| throw new IllegalArgumentException("No classloader for " + getCodeNameBase()); // NOI18N |
| } |
| return classloader; |
| } |
| |
| @Override |
| public Set<Object> getProblems() { |
| InvalidException ie = problem; |
| return ie == null ? Collections.emptySet() : |
| Collections.<Object>singleton(ie); |
| } |
| |
| final void setProblem(InvalidException ie) { |
| problem = ie; |
| } |
| |
| @Override |
| public Enumeration<URL> findResources(String resources) { |
| return mgr.netigso().findResources(this, resources); |
| } |
| |
| @Override |
| protected void cleanup() { |
| } |
| |
| @Override |
| protected void destroy() { |
| } |
| |
| @Override |
| public boolean isFixed() { |
| return false; |
| } |
| |
| @Override |
| public Manifest getManifest() { |
| if (manifest != null) { |
| return manifest; |
| } |
| // XXX #210310: is anyone actually getting here? |
| try { |
| return getManager().loadManifest(jar); |
| } catch (IOException x) { |
| Util.err.log(Level.WARNING, "While loading manifest for " + this, x); |
| return new Manifest(); |
| } |
| } |
| |
| @Override |
| public Object getLocalizedAttribute(String attr) { |
| // TBD; |
| return null; |
| } |
| |
| @Override |
| public String toString() { |
| return "Netigso: " + jar; |
| } |
| |
| @Override |
| final int getStartLevelImpl() { |
| return startLevel; |
| } |
| |
| final void setStartLevel(int startLevel) { |
| this.startLevel = startLevel; |
| } |
| |
| private final class DelegateCL extends ProxyClassLoader |
| implements Util.ModuleProvider { |
| public DelegateCL() { |
| super(new ClassLoader[0], false); |
| } |
| |
| private ProxyClassLoader delegate() { |
| ClassLoader l = firstParent(); |
| assert l != null; |
| return (ProxyClassLoader)l; |
| } |
| |
| @Override |
| public URL findResource(String name) { |
| try { |
| return delegate().findResource(name); |
| } catch (IllegalStateException ex) { |
| LOG.log(Level.SEVERE, "Can't load " + name, ex); |
| return null; |
| } |
| } |
| |
| @Override |
| public Enumeration<URL> findResources(String name) throws IOException { |
| try { |
| return delegate().findResources(name); |
| } catch (IllegalStateException ex) { |
| throw new IOException("Can't load " + name, ex); |
| } |
| } |
| |
| @Override |
| protected Class<?> doLoadClass(String pkg, String name) { |
| try { |
| return delegate().doLoadClass(pkg, name); |
| } catch (IllegalStateException ex) { |
| LOG.log(Level.INFO, "Can't load " + name + " in package " + pkg, ex); |
| return null; |
| } |
| } |
| |
| @Override |
| protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException { |
| try { |
| return delegate().loadClass(name, resolve); |
| } catch (IllegalStateException ex) { |
| throw new ClassNotFoundException("Can't load " + name, ex); |
| } |
| } |
| |
| |
| @Override |
| public String toString() { |
| ClassLoader l = firstParent(); |
| return l == null ? "Netigso[uninitialized]" : "Netigso[" + l.toString() + "]"; // NOI18N |
| } |
| |
| @Override |
| public Module getModule() { |
| return NetigsoModule.this; |
| } |
| } |
| } |