001/* 002 * $Header: /cvshome/build/org.osgi.service.obr/src/org/osgi/service/obr/CapabilityProvider.java,v 1.3 2006/03/16 14:56:17 hargrave Exp $ 003 * 004 * Copyright (c) OSGi Alliance (2006). All Rights Reserved. 005 * 006 * Licensed under the Apache License, Version 2.0 (the "License"); 007 * you may not use this file except in compliance with the License. 008 * You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019// This document is an experimental draft to enable interoperability 020// between bundle repositories. There is currently no commitment to 021// turn this draft into an official specification. 022package org.osgi.service.obr; 023 024/** 025 * This service interface allows third parties to provide capabilities that are 026 * present on the system but not encoded in the bundle's manifests. For example, 027 * a capability provider could provide: 028 * <ol> 029 * <li>A Set of certificates</li> 030 * <li>Dimensions of the screen</li> 031 * <li>Amount of memory</li> 032 * <li>...</li> 033 * </ol> 034 * 035 * @version $Revision: 1.3 $ 036 */ 037public interface CapabilityProvider 038{ 039 /** 040 * Return a set of capabilities. 041 * 042 * These capabilities are considered part of the platform. Bundles can 043 * require these capabilities during selection. All capabilities from 044 * different providers are considered part of the platform. 045 * 046 * @return Set of capabilities 047 */ 048 Capability[] getCapabilities(); 049}