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.lang.reflect.Constructor; 022 023import org.apache.commons.logging.Log; 024import org.apache.commons.logging.LogFactory; 025import org.nuxeo.common.xmap.annotation.XNode; 026import org.nuxeo.common.xmap.annotation.XObject; 027 028/** 029 * Descriptor for a JSF blob uploader. 030 */ 031@XObject("uploader") 032public class JSFBlobUploaderDescriptor implements Comparable<JSFBlobUploaderDescriptor> { 033 034 private static final Log log = LogFactory.getLog(JSFBlobUploaderDescriptor.class); 035 036 @XNode("@id") 037 public String id; 038 039 @XNode("@order") 040 public Integer order; 041 042 protected int getOrder() { 043 return order == null ? 0 : order.intValue(); 044 } 045 046 @Override 047 public int compareTo(JSFBlobUploaderDescriptor other) { 048 return getOrder() - other.getOrder(); 049 } 050 051 @XNode("@class") 052 public Class<JSFBlobUploader> klass; 053 054 private transient JSFBlobUploader instance; 055 056 public JSFBlobUploader getJSFBlobUploader() { 057 if (instance != null) { 058 return instance; 059 } 060 if (klass == null) { 061 return null; 062 } 063 try { 064 Constructor<JSFBlobUploader> ctor = klass.getDeclaredConstructor(String.class); 065 instance = ctor.newInstance(id); 066 return instance; 067 } catch (ReflectiveOperationException e) { 068 throw new RuntimeException("Cannot instantiate class: " + klass, e); 069 } catch (IllegalStateException e) { 070 log.error("Cannot instantiate " + klass.getName() + ", " + e.getMessage()); 071 log.debug(e, e); 072 return null; 073 } 074 } 075 076 /** Default constructor. */ 077 public JSFBlobUploaderDescriptor() { 078 } 079 080 /** Copy constructor. */ 081 public JSFBlobUploaderDescriptor(JSFBlobUploaderDescriptor other) { 082 id = other.id; 083 order = other.order; 084 klass = other.klass; 085 } 086 087 public void merge(JSFBlobUploaderDescriptor other) { 088 if (other.id != null) { 089 id = other.id; 090 } 091 if (other.order != null) { 092 order = other.order; 093 } 094 if (other.klass != null) { 095 klass = other.klass; 096 } 097 } 098 099}