| /** |
| * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany) |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Florian Pirchner - Initial implementation |
| */ |
| package org.eclipse.osbp.runtime.web.common.context; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.osbp.runtime.common.dispose.IDisposable; |
| import org.eclipse.osbp.runtime.web.common.IWebContext; |
| import org.eclipse.osbp.runtime.web.common.IWebContextRegistry; |
| import org.osgi.service.component.ComponentFactory; |
| |
| // TODO: Auto-generated Javadoc |
| /** |
| * The Class AbstractWebContextRegistry. |
| */ |
| public abstract class AbstractWebContextRegistry implements |
| IDisposable.Listener, IWebContextRegistry { |
| |
| /** The factory. */ |
| private ComponentFactory factory; |
| |
| /** The contexts. */ |
| private Map<String, IWebContext> contexts = Collections |
| .synchronizedMap(new HashMap<String, IWebContext>()); |
| |
| /** |
| * Called by OSGi-DS. Sets the component factory that is used to create |
| * instances of web context. |
| * |
| * @param factory |
| * the new factory |
| */ |
| protected void setFactory(ComponentFactory factory) { |
| this.factory = factory; |
| } |
| |
| /** |
| * Called by OSGi-DS. Unsets the component factory that is used to create |
| * instances of web context. |
| * |
| * @param factory |
| * the factory |
| */ |
| protected void unsetFactory(ComponentFactory factory) { |
| this.factory = null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.common.IWebContextRegistry#size() |
| */ |
| @Override |
| public int size() { |
| return contexts.size(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.common.IWebContextRegistry#getContext(java.lang.String) |
| */ |
| @Override |
| public IWebContext getContext(String id) { |
| return (IWebContext) (contexts.containsKey(id) ? contexts.get(id) |
| : null); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.osbp.runtime.web.common.IWebContextRegistry#createContext(java.lang.String, java.util.Map) |
| */ |
| @Override |
| public IWebContext createContext(String user, Map<String, Object> properties) { |
| IWebContext context = doCreateContext(factory, user, properties); |
| contexts.put(context.getId(), context); |
| return context; |
| } |
| |
| /** |
| * Delegates the creation of the context to the subclass. |
| * |
| * @param factory |
| * the factory |
| * @param user |
| * the user |
| * @param properties |
| * the properties |
| * @return the i web context |
| */ |
| protected abstract IWebContext doCreateContext(ComponentFactory factory, |
| String user, Map<String, Object> properties); |
| |
| /** |
| * Notifies that a web context was disposed. |
| * |
| * @param notifier |
| * the notifier |
| */ |
| @Override |
| public void notifyDisposed(IDisposable notifier) { |
| |
| // remove this as a dispose listener |
| // |
| notifier.removeDisposeListener(this); |
| |
| // look for the context |
| // |
| String disposedId = null; |
| synchronized (contexts) { |
| for (Map.Entry<String, IWebContext> entry : contexts.entrySet()) { |
| if (notifier == entry.getValue()) { |
| disposedId = entry.getKey(); |
| break; |
| } |
| } |
| |
| if (disposedId != null) { |
| contexts.remove(disposedId); |
| } |
| } |
| } |
| } |