eclipse-core/src/org/apache/sling/ide/eclipse/core/ServiceUtil.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.sling.ide.eclipse.core;

import org.osgi.util.tracker.ServiceTracker;

public class ServiceUtil {

    public static <S, T> T getNotNull(ServiceTracker<S, T> serviceTracker) {
        T service = serviceTracker.getService();
        if (service == null)
            throw new IllegalStateException("Service is null");

        return service;
    }
}