001/* 002 * (C) Copyright 2015 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 * Nuxeo 018 */ 019 020package org.nuxeo.ecm.showcase.content.service; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024import org.nuxeo.ecm.core.api.CoreSession; 025import org.nuxeo.ecm.core.api.impl.blob.URLBlob; 026import org.nuxeo.ecm.showcase.content.ShowcaseContentImporter; 027import org.nuxeo.runtime.model.ComponentInstance; 028import org.nuxeo.runtime.model.ContributionFragmentRegistry; 029import org.nuxeo.runtime.model.DefaultComponent; 030import org.nuxeo.runtime.model.SimpleContributionRegistry; 031 032import java.io.IOException; 033import java.util.Arrays; 034import java.util.List; 035import java.util.stream.Collectors; 036 037/** 038 * @since 8.4 039 */ 040public class ShowcaseContentServiceImpl extends DefaultComponent implements ShowcaseContentService { 041 042 private static final Log log = LogFactory.getLog(ShowcaseContentServiceImpl.class); 043 044 public static final String EP_CONTENTS = "contents"; 045 046 private ContributionFragmentRegistry<ShowcaseContentDescriptor> registry = new ShowcaseContentDescriptorSimpleContributionRegistry(); 047 048 private static class ShowcaseContentDescriptorSimpleContributionRegistry 049 extends SimpleContributionRegistry<ShowcaseContentDescriptor> { 050 @Override 051 public String getContributionId(ShowcaseContentDescriptor contrib) { 052 return contrib.getName(); 053 } 054 } 055 056 @Override 057 public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 058 if (EP_CONTENTS.equals(extensionPoint)) { 059 ShowcaseContentDescriptor content = (ShowcaseContentDescriptor) contribution; 060 content.computeBlobUrl(contributor); 061 registry.addContribution(content); 062 } 063 } 064 065 @Override 066 public void unregisterContribution(Object contribution, String extensionPoint, ComponentInstance contributor) { 067 if (EP_CONTENTS.equals(extensionPoint)) { 068 registry.removeContribution((ShowcaseContentDescriptor) contribution); 069 } 070 } 071 072 @Override 073 public void triggerImporters(CoreSession session) { 074 getContributions().forEach(c -> { 075 // XXX Should use a dedicated Worker... 076 URLBlob blob = new URLBlob(c.blobUrl); 077 try { 078 ShowcaseContentImporter.run(session, c.getName(), blob); 079 } catch (IOException e) { 080 log.warn(String.format("Unable to import %s: %s", c.getName(), e), e); 081 } 082 }); 083 } 084 085 protected List<ShowcaseContentDescriptor> getContributions() { 086 return Arrays.stream(registry.getFragments()) 087 .map(f -> f.object) 088 .filter(c -> c.enabled) 089 .collect(Collectors.toList()); 090 } 091}