| /******************************************************************************* |
| * Copyright (c) 2005, 2007 Cognos Incorporated, IBM Corporation and others. |
| * |
| * 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: |
| * Cognos Incorporated - initial API and implementation |
| * IBM Corporation - bug fixes and enhancements |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.http.registry.internal; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.equinox.http.registry.internal.ExtensionPointTracker.Listener; |
| import org.osgi.framework.AdminPermission; |
| import org.osgi.framework.Bundle; |
| import org.osgi.service.http.HttpContext; |
| |
| public class HttpContextManager implements Listener { |
| |
| private static final String HTTPCONTEXTS_EXTENSION_POINT = "org.eclipse.equinox.http.registry.httpcontexts"; //$NON-NLS-1$ |
| private static final String HTTPCONTEXT = "httpcontext"; //$NON-NLS-1$ |
| private static final String NAME = "name"; //$NON-NLS-1$ |
| private static final String ID = "id"; //$NON-NLS-1$ |
| private static final String CLASS = "class"; //$NON-NLS-1$ |
| private static final String PATH = "path"; //$NON-NLS-1$ |
| private static final String MIMEMAPPING = "mime-mapping"; //$NON-NLS-1$ |
| private static final String MIMEEXTENSION = "extension"; //$NON-NLS-1$ |
| private static final String MIMETYPE = "mime-type"; //$NON-NLS-1$ |
| private static final String RESOURCEMAPPING = "resource-mapping"; //$NON-NLS-1$ |
| private static final String BUNDLE = "bundle"; //$NON-NLS-1$ |
| |
| private List<IConfigurationElement> registered = new ArrayList<>(); |
| private HttpRegistryManager httpRegistryManager; |
| private ExtensionPointTracker tracker; |
| |
| public HttpContextManager(HttpRegistryManager httpRegistryManager, IExtensionRegistry registry) { |
| this.httpRegistryManager = httpRegistryManager; |
| tracker = new ExtensionPointTracker(registry, HTTPCONTEXTS_EXTENSION_POINT, this); |
| } |
| |
| public void start() { |
| tracker.open(); |
| } |
| |
| public void stop() { |
| tracker.close(); |
| } |
| |
| public void added(IExtension extension) { |
| IConfigurationElement[] elements = extension.getConfigurationElements(); |
| for (IConfigurationElement httpContextElement : elements) { |
| if (!HTTPCONTEXT.equals(httpContextElement.getName())) |
| continue; |
| |
| String httpContextId = httpContextElement.getAttribute(ID); |
| if (httpContextId == null) { |
| httpContextId = httpContextElement.getAttribute(NAME); |
| if (httpContextId == null) |
| continue; |
| } |
| |
| if (httpContextId.indexOf('.') == -1) |
| httpContextId = httpContextElement.getNamespaceIdentifier() + "." + httpContextId; //$NON-NLS-1$ |
| |
| HttpContext context = null; |
| String clazz = httpContextElement.getAttribute(CLASS); |
| if (clazz != null) { |
| try { |
| context = (HttpContext) httpContextElement.createExecutableExtension(CLASS); |
| } catch (CoreException e) { |
| // log it. |
| e.printStackTrace(); |
| continue; |
| } |
| } else { |
| Bundle contributingBundle = httpRegistryManager.getBundle(extension.getContributor()); |
| DefaultRegistryHttpContext defaultContext = httpRegistryManager.createDefaultRegistryHttpContext(); |
| |
| String oldPath = httpContextElement.getAttribute(PATH); |
| if (oldPath != null) |
| defaultContext.addResourceMapping(contributingBundle, oldPath); |
| |
| IConfigurationElement[] resourceMappingElements = httpContextElement.getChildren(RESOURCEMAPPING); |
| for (IConfigurationElement resourceMappingElement : resourceMappingElements) { |
| String path = resourceMappingElement.getAttribute(PATH); |
| Bundle resourceBundle = contributingBundle; |
| String bundleName = resourceMappingElement.getAttribute(BUNDLE); |
| if (bundleName != null) { |
| resourceBundle = httpRegistryManager.getBundle(bundleName); |
| if (resourceBundle == null) |
| continue; |
| if (System.getSecurityManager() != null) { |
| AdminPermission resourcePermission = new AdminPermission(resourceBundle, "resource"); //$NON-NLS-1$ |
| if (!contributingBundle.hasPermission(resourcePermission)) |
| continue; |
| } |
| } |
| defaultContext.addResourceMapping(resourceBundle, path); |
| } |
| |
| IConfigurationElement[] mimeMappingElements = httpContextElement.getChildren(MIMEMAPPING); |
| for (IConfigurationElement mimeMappingElement : mimeMappingElements) { |
| String mimeExtension = mimeMappingElement.getAttribute(MIMEEXTENSION); |
| String mimeType = mimeMappingElement.getAttribute(MIMETYPE); |
| defaultContext.addMimeMapping(mimeExtension, mimeType); |
| } |
| context = defaultContext; |
| } |
| |
| if (httpRegistryManager.addHttpContextContribution(httpContextId, context, extension.getContributor())) |
| registered.add(httpContextElement); |
| } |
| } |
| |
| public void removed(IExtension extension) { |
| IConfigurationElement[] elements = extension.getConfigurationElements(); |
| for (IConfigurationElement httpContextElement : elements) { |
| if (!HTTPCONTEXT.equals(httpContextElement.getName())) |
| continue; |
| |
| String httpContextId = httpContextElement.getAttribute(ID); |
| if (httpContextId == null) { |
| httpContextId = httpContextElement.getAttribute(NAME); |
| if (httpContextId == null) |
| continue; |
| } |
| if (httpContextId.indexOf('.') == -1) |
| httpContextId = httpContextElement.getNamespaceIdentifier() + "." + httpContextId; //$NON-NLS-1$ |
| |
| if (registered.remove(httpContextElement)) |
| httpRegistryManager.removeHttpContextContribution(httpContextId); |
| } |
| } |
| } |