001/* 002 * (C) Copyright 2019 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 * bdelbosc 018 */ 019package org.nuxeo.ecm.core.scroll; 020 021import java.util.List; 022import java.util.stream.Collectors; 023 024import org.nuxeo.ecm.core.api.scroll.ScrollService; 025import org.nuxeo.runtime.model.ComponentContext; 026import org.nuxeo.runtime.model.DefaultComponent; 027 028/** 029 * @since 11.1 030 */ 031public class ScrollComponent extends DefaultComponent { 032 033 public static final String XP_SCROLL = "scroll"; 034 035 protected ScrollService scrollService; 036 037 @Override 038 @SuppressWarnings("unchecked") 039 public <T> T getAdapter(Class<T> adapter) { 040 if (adapter.isAssignableFrom(ScrollService.class)) { 041 return (T) scrollService; 042 } 043 return null; 044 } 045 046 @Override 047 public void start(ComponentContext context) { 048 super.start(context); 049 scrollService = new ScrollServiceImpl(getEnabledDescriptors()); 050 } 051 052 protected List<ScrollDescriptor> getEnabledDescriptors() { 053 List<ScrollDescriptor> descriptors = getDescriptors(XP_SCROLL); 054 return descriptors.stream().filter(ScrollDescriptor::isEnabled).collect(Collectors.toList()); 055 } 056 057}