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 * Florent Guillaume 018 */ 019package org.nuxeo.ecm.platform.ui.web.component.file; 020 021import java.util.ArrayList; 022import java.util.Collections; 023import java.util.List; 024 025import org.nuxeo.runtime.model.ComponentInstance; 026import org.nuxeo.runtime.model.DefaultComponent; 027import org.nuxeo.runtime.model.SimpleContributionRegistry; 028 029/** 030 * Service holding the registered JSF Blob Uploaders. 031 * 032 * @since 7.2 033 */ 034public class JSFBlobUploaderService extends DefaultComponent { 035 036 public static final String XP_UPLOADER = "uploader"; 037 038 protected JSFBlobUploaderDescriptorRegistry registry = new JSFBlobUploaderDescriptorRegistry(); 039 040 protected static class JSFBlobUploaderDescriptorRegistry extends 041 SimpleContributionRegistry<JSFBlobUploaderDescriptor> { 042 043 @Override 044 public String getContributionId(JSFBlobUploaderDescriptor contrib) { 045 return contrib.id; 046 } 047 048 @Override 049 public JSFBlobUploaderDescriptor clone(JSFBlobUploaderDescriptor orig) { 050 return new JSFBlobUploaderDescriptor(orig); 051 } 052 053 @Override 054 public void merge(JSFBlobUploaderDescriptor src, JSFBlobUploaderDescriptor dst) { 055 dst.merge(src); 056 } 057 058 @Override 059 public boolean isSupportingMerge() { 060 return true; 061 } 062 063 public List<JSFBlobUploader> getJSFBlobUploaders() { 064 List<JSFBlobUploader> uploaders = new ArrayList<>(currentContribs.size()); 065 List<JSFBlobUploaderDescriptor> descs = new ArrayList<>(currentContribs.values()); 066 Collections.sort(descs); // sort according to order 067 for (JSFBlobUploaderDescriptor desc : descs) { 068 JSFBlobUploader uploader = desc.getJSFBlobUploader(); 069 if (uploader != null && uploader.isEnabled()) { 070 uploaders.add(uploader); 071 } 072 } 073 return uploaders; 074 } 075 076 public JSFBlobUploader getJSFBlobUploader(String choice) { 077 for (JSFBlobUploaderDescriptor desc : currentContribs.values()) { 078 JSFBlobUploader uploader = desc.getJSFBlobUploader(); 079 if (uploader != null && uploader.getChoice().equals(choice) && uploader.isEnabled()) { 080 return uploader; 081 } 082 } 083 return null; 084 } 085 } 086 087 @Override 088 public void registerContribution(Object contrib, String xpoint, ComponentInstance contributor) { 089 if (XP_UPLOADER.equals(xpoint)) { 090 registry.addContribution((JSFBlobUploaderDescriptor) contrib); 091 } else { 092 throw new RuntimeException("Unknown extension point: " + xpoint); 093 } 094 } 095 096 @Override 097 public void unregisterContribution(Object contrib, String xpoint, ComponentInstance contributor) { 098 if (XP_UPLOADER.equals(xpoint)) { 099 registry.removeContribution((JSFBlobUploaderDescriptor) contrib); 100 } else { 101 throw new RuntimeException("Unknown extension point: " + xpoint); 102 } 103 } 104 105 public List<JSFBlobUploader> getJSFBlobUploaders() { 106 return registry.getJSFBlobUploaders(); 107 } 108 109 public JSFBlobUploader getJSFBlobUploader(String choice) { 110 return registry.getJSFBlobUploader(choice); 111 } 112 113}