private static void resetURLStreamHandlers() throws IllegalAccessException { Field handlersField = getField(URL.class, Hashtable.class, false); if (handlersField != null) { @SuppressWarnings("rawtypes") Hashtable<?, ?> handlers = (Hashtable) handlersField.get(null); if (handlers != null) handlers.clear(); } }
public void installHandlerFactories(BundleContext context) { installURLStreamHandlerFactory(context); installContentHandlerFactory(context); }
private void uninstallURLStreamHandlerFactory() { try { Field factoryField = getField(URL.class, URLStreamHandlerFactory.class, false); if (factoryField == null) return; // oh well, we tried Object lock = getURLStreamHandlerFactoryLock(); synchronized (lock) { URLStreamHandlerFactory factory = (URLStreamHandlerFactory) factoryField.get(null); if (factory == urlStreamHandlerFactory) { factory = (URLStreamHandlerFactory) urlStreamHandlerFactory.designateSuccessor(); } else { Method unregister = factory.getClass().getMethod("unregister", new Class[] {Object.class}); //$NON-NLS-1$ unregister.invoke(factory, new Object[] {urlStreamHandlerFactory}); } factoryField.set(null, null); // always attempt to clear the handlers cache // This allows an optimization for the single framework use-case // Note that the call to setURLStreamHandlerFactory below may clear this cache // but we want to be sure to clear it here just in case the parent is null. // In this case the call below would not occur. resetURLStreamHandlers(); if (factory != null) URL.setURLStreamHandlerFactory(factory); } } catch (Exception e) { // ignore and continue closing the framework } }
private static void forceContentHandlerFactory(ContentHandlerFactoryImpl chf) throws Exception { Field factoryField = getField(URLConnection.class, java.net.ContentHandlerFactory.class, false); if (factoryField == null) throw new Exception("Could not find ContentHandlerFactory field"); //$NON-NLS-1$ synchronized (URLConnection.class) { java.net.ContentHandlerFactory factory = (java.net.ContentHandlerFactory) factoryField.get(null); // doing a null check here just in case, but it would be really strange if it was null, // because we failed to set the factory normally!! if (factory != null) { try { factory.getClass().getMethod("isMultiplexing", (Class[]) null); //$NON-NLS-1$ Method register = factory.getClass().getMethod("register", new Class[] {Object.class}); //$NON-NLS-1$ register.invoke(factory, new Object[] {chf}); } catch (NoSuchMethodException e) { // current factory does not support multiplexing, ok we'll wrap it chf.setParentFactory(factory); factory = chf; } } // null out the field so that we can successfully call setContentHandlerFactory factoryField.set(null, null); // always attempt to clear the handlers cache // This allows an optomization for the single framework use-case resetContentHandlers(); URLConnection.setContentHandlerFactory(factory); } }
bundle.getEquinoxContainer().getLogServices().start(bc); urlFactoryManager = new EquinoxFactoryManager(bundle.getEquinoxContainer()); urlFactoryManager.installHandlerFactories(bc);
private void installURLStreamHandlerFactory(BundleContext context) { URLStreamHandlerFactoryImpl shf = new URLStreamHandlerFactoryImpl(context, container); try { // first try the standard way URL.setURLStreamHandlerFactory(shf); } catch (Error err) { try { // ok we failed now use more drastic means to set the factory forceURLStreamHandlerFactory(shf); } catch (Exception ex) { container.getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, ex.getMessage(), ex); throw err; } } urlStreamHandlerFactory = shf; }
private void installContentHandlerFactory(BundleContext context) { ContentHandlerFactoryImpl chf = new ContentHandlerFactoryImpl(context, container); try { // first try the standard way URLConnection.setContentHandlerFactory(chf); } catch (Error err) { // ok we failed now use more drastic means to set the factory try { forceContentHandlerFactory(chf); } catch (Exception ex) { // this is unexpected, log the exception and throw the original error container.getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, ex.getMessage(), ex); throw err; } } contentHandlerFactory = chf; }
private void uninstallURLStreamHandlerFactory() { try { Field factoryField = getField(URL.class, URLStreamHandlerFactory.class, false); if (factoryField == null) return; // oh well, we tried Object lock = getURLStreamHandlerFactoryLock(); synchronized (lock) { URLStreamHandlerFactory factory = (URLStreamHandlerFactory) factoryField.get(null); if (factory == urlStreamHandlerFactory) { factory = (URLStreamHandlerFactory) urlStreamHandlerFactory.designateSuccessor(); } else { Method unregister = factory.getClass().getMethod("unregister", new Class[] {Object.class}); //$NON-NLS-1$ unregister.invoke(factory, new Object[] {urlStreamHandlerFactory}); } factoryField.set(null, null); // always attempt to clear the handlers cache // This allows an optimization for the single framework use-case // Note that the call to setURLStreamHandlerFactory below may clear this cache // but we want to be sure to clear it here just in case the parent is null. // In this case the call below would not occur. resetURLStreamHandlers(); if (factory != null) URL.setURLStreamHandlerFactory(factory); } } catch (Exception e) { // ignore and continue closing the framework } }
private static void forceContentHandlerFactory(ContentHandlerFactoryImpl chf) throws Exception { Field factoryField = getField(URLConnection.class, java.net.ContentHandlerFactory.class, false); if (factoryField == null) throw new Exception("Could not find ContentHandlerFactory field"); //$NON-NLS-1$ synchronized (URLConnection.class) { java.net.ContentHandlerFactory factory = (java.net.ContentHandlerFactory) factoryField.get(null); // doing a null check here just in case, but it would be really strange if it was null, // because we failed to set the factory normally!! if (factory != null) { try { factory.getClass().getMethod("isMultiplexing", (Class[]) null); //$NON-NLS-1$ Method register = factory.getClass().getMethod("register", new Class[] {Object.class}); //$NON-NLS-1$ register.invoke(factory, new Object[] {chf}); } catch (NoSuchMethodException e) { // current factory does not support multiplexing, ok we'll wrap it chf.setParentFactory(factory); factory = chf; } } // null out the field so that we can successfully call setContentHandlerFactory factoryField.set(null, null); // always attempt to clear the handlers cache // This allows an optomization for the single framework use-case resetContentHandlers(); URLConnection.setContentHandlerFactory(factory); } }
bundle.getEquinoxContainer().getLogServices().start(bc); urlFactoryManager = new EquinoxFactoryManager(bundle.getEquinoxContainer()); urlFactoryManager.installHandlerFactories(bc);
private void installURLStreamHandlerFactory(BundleContext context) { URLStreamHandlerFactoryImpl shf = new URLStreamHandlerFactoryImpl(context, container); try { // first try the standard way URL.setURLStreamHandlerFactory(shf); } catch (Error err) { try { // ok we failed now use more drastic means to set the factory forceURLStreamHandlerFactory(shf); } catch (Exception ex) { container.getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, ex.getMessage(), ex); throw err; } } urlStreamHandlerFactory = shf; }
private void installContentHandlerFactory(BundleContext context) { ContentHandlerFactoryImpl chf = new ContentHandlerFactoryImpl(context, container); try { // first try the standard way URLConnection.setContentHandlerFactory(chf); } catch (Error err) { // ok we failed now use more drastic means to set the factory try { forceContentHandlerFactory(chf); } catch (Exception ex) { // this is unexpected, log the exception and throw the original error container.getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, ex.getMessage(), ex); throw err; } } contentHandlerFactory = chf; }
private static void forceURLStreamHandlerFactory(URLStreamHandlerFactoryImpl shf) throws Exception { Field factoryField = getField(URL.class, URLStreamHandlerFactory.class, false); if (factoryField == null) throw new Exception("Could not find URLStreamHandlerFactory field"); //$NON-NLS-1$ // look for a lock to synchronize on Object lock = getURLStreamHandlerFactoryLock(); synchronized (lock) { URLStreamHandlerFactory factory = (URLStreamHandlerFactory) factoryField.get(null); // doing a null check here just in case, but it would be really strange if it was null, // because we failed to set the factory normally!! if (factory != null) { try { factory.getClass().getMethod("isMultiplexing", (Class[]) null); //$NON-NLS-1$ Method register = factory.getClass().getMethod("register", new Class[] {Object.class}); //$NON-NLS-1$ register.invoke(factory, new Object[] {shf}); } catch (NoSuchMethodException e) { // current factory does not support multiplexing, ok we'll wrap it shf.setParentFactory(factory); factory = shf; } } factoryField.set(null, null); // always attempt to clear the handlers cache // This allows an optomization for the single framework use-case resetURLStreamHandlers(); URL.setURLStreamHandlerFactory(factory); } }
private static void forceContentHandlerFactory(ContentHandlerFactoryImpl chf) throws Exception { Field factoryField = getField(URLConnection.class, java.net.ContentHandlerFactory.class, false); if (factoryField == null) throw new Exception("Could not find ContentHandlerFactory field"); //$NON-NLS-1$ synchronized (URLConnection.class) { java.net.ContentHandlerFactory factory = (java.net.ContentHandlerFactory) factoryField.get(null); // doing a null check here just in case, but it would be really strange if it was null, // because we failed to set the factory normally!! if (factory != null) { try { factory.getClass().getMethod("isMultiplexing", (Class[]) null); //$NON-NLS-1$ Method register = factory.getClass().getMethod("register", new Class[] {Object.class}); //$NON-NLS-1$ register.invoke(factory, new Object[] {chf}); } catch (NoSuchMethodException e) { // current factory does not support multiplexing, ok we'll wrap it chf.setParentFactory(factory); factory = chf; } } // null out the field so that we can successfully call setContentHandlerFactory factoryField.set(null, null); // always attempt to clear the handlers cache // This allows an optomization for the single framework use-case resetContentHandlers(); URLConnection.setContentHandlerFactory(factory); } }
public void installHandlerFactories(BundleContext context) { installURLStreamHandlerFactory(context); installContentHandlerFactory(context); }
bundle.getEquinoxContainer().getLogServices().start(bc); urlFactoryManager = new EquinoxFactoryManager(bundle.getEquinoxContainer()); urlFactoryManager.installHandlerFactories(bc);
private static void resetContentHandlers() throws IllegalAccessException { Field handlersField = getField(URLConnection.class, Hashtable.class, false); if (handlersField != null) { @SuppressWarnings("rawtypes") Hashtable<?, ?> handlers = (Hashtable) handlersField.get(null); if (handlers != null) handlers.clear(); } }
private void installURLStreamHandlerFactory(BundleContext context) { URLStreamHandlerFactoryImpl shf = new URLStreamHandlerFactoryImpl(context, container); try { // first try the standard way URL.setURLStreamHandlerFactory(shf); } catch (Error err) { try { // ok we failed now use more drastic means to set the factory forceURLStreamHandlerFactory(shf); } catch (Exception ex) { container.getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, ex.getMessage(), ex); throw err; } } urlStreamHandlerFactory = shf; }
private void installContentHandlerFactory(BundleContext context) { ContentHandlerFactoryImpl chf = new ContentHandlerFactoryImpl(context, container); try { // first try the standard way URLConnection.setContentHandlerFactory(chf); } catch (Error err) { // ok we failed now use more drastic means to set the factory try { forceContentHandlerFactory(chf); } catch (Exception ex) { // this is unexpected, log the exception and throw the original error container.getLogServices().log(EquinoxContainer.NAME, FrameworkLogEntry.ERROR, ex.getMessage(), ex); throw err; } } contentHandlerFactory = chf; }
private void uninstallURLStreamHandlerFactory() { try { Field factoryField = getField(URL.class, URLStreamHandlerFactory.class, false); if (factoryField == null) return; // oh well, we tried Object lock = getURLStreamHandlerFactoryLock(); synchronized (lock) { URLStreamHandlerFactory factory = (URLStreamHandlerFactory) factoryField.get(null); if (factory == urlStreamHandlerFactory) { factory = (URLStreamHandlerFactory) urlStreamHandlerFactory.designateSuccessor(); } else { Method unregister = factory.getClass().getMethod("unregister", new Class[] {Object.class}); //$NON-NLS-1$ unregister.invoke(factory, new Object[] {urlStreamHandlerFactory}); } factoryField.set(null, null); // always attempt to clear the handlers cache // This allows an optimization for the single framework use-case // Note that the call to setURLStreamHandlerFactory below may clear this cache // but we want to be sure to clear it here just in case the parent is null. // In this case the call below would not occur. resetURLStreamHandlers(); if (factory != null) URL.setURLStreamHandlerFactory(factory); } } catch (Exception e) { // ignore and continue closing the framework } }