001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 *
019 * $Id$
020 */
021
022package org.nuxeo.runtime.osgi;
023
024/**
025 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
026 */
027public abstract class OSGiHostAdapter {
028
029    private static OSGiHostAdapter instance;
030
031    public static void setInstance(OSGiHostAdapter instance) {
032        OSGiHostAdapter.instance = instance;
033    }
034
035    public static OSGiHostAdapter getInstance() {
036        return instance;
037    }
038
039    public abstract Object invoke(Object... args);
040
041    public abstract Object getProperty(String key);
042
043    public abstract Object getProperty(String key, Object defValue);
044
045    public abstract void setProperty(String key, Object value);
046
047}