001/*
002 * (C) Copyright 2006-2017 Nuxeo (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 */
019package org.nuxeo.runtime.test.runner;
020
021import org.nuxeo.runtime.api.Framework;
022
023import com.google.inject.Provider;
024import com.google.inject.Scope;
025import com.google.inject.Scopes;
026
027/**
028 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
029 */
030public class ServiceProvider<T> implements Provider<T> {
031
032    protected final Class<T> clazz;
033
034    public ServiceProvider(Class<T> clazz) {
035        this.clazz = clazz;
036    }
037
038    public Class<T> getServiceClass() {
039        return clazz;
040    }
041
042    @Override
043    public T get() {
044        try {
045            return clazz.cast(Framework.getService(clazz));
046        } catch (Exception e) {
047            throw new RuntimeException("Failed to get service: " + clazz, e);
048        }
049    }
050
051    public Scope getScope() {
052        return Scopes.NO_SCOPE;
053    }
054
055}