001/* ***** BEGIN LICENSE BLOCK ***** 002 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 003 * 004 * The contents of this file are subject to the Mozilla Public License Version 005 * 1.1 (the "License"); you may not use this file except in compliance with 006 * the License. You may obtain a copy of the License at 007 * http://www.mozilla.org/MPL/ 008 * 009 * Software distributed under the License is distributed on an "AS IS" basis, 010 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 011 * for the specific language governing rights and limitations under the 012 * License. 013 * 014 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in 015 * Java(TM), hosted at https://github.com/gunterze/dcm4che. 016 * 017 * The Initial Developer of the Original Code is 018 * Agfa Healthcare. 019 * Portions created by the Initial Developer are Copyright (C) 2011 020 * the Initial Developer. All Rights Reserved. 021 * 022 * Contributor(s): 023 * See @authors listed below 024 * 025 * Alternatively, the contents of this file may be used under the terms of 026 * either the GNU General Public License Version 2 or later (the "GPL"), or 027 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), 028 * in which case the provisions of the GPL or the LGPL are applicable instead 029 * of those above. If you wish to allow use of your version of this file only 030 * under the terms of either the GPL or the LGPL, and not to allow others to 031 * use your version of this file under the terms of the MPL, indicate your 032 * decision by deleting the provisions above and replace them with the notice 033 * and other provisions required by the GPL or the LGPL. If you do not delete 034 * the provisions above, a recipient may use your version of this file under 035 * the terms of any one of the MPL, the GPL or the LGPL. 036 * 037 * ***** END LICENSE BLOCK ***** */ 038 039package org.dcm4che3.data; 040 041import java.util.ServiceLoader; 042 043import org.dcm4che3.data.StandardElementDictionary; 044 045public abstract class ElementDictionary { 046 private static final ServiceLoader<ElementDictionary> loader = 047 ServiceLoader.load(ElementDictionary.class); 048 private final String privateCreator; 049 private final Class<?> tagClass; 050 051 protected ElementDictionary(String privateCreator, Class<?> tagClass) { 052 this.privateCreator = privateCreator; 053 this.tagClass = tagClass; 054 } 055 056 public static ElementDictionary getStandardElementDictionary() { 057 return StandardElementDictionary.INSTANCE; 058 } 059 060 public static ElementDictionary getElementDictionary( 061 String privateCreator) { 062 if (privateCreator != null) 063 synchronized (loader) { 064 for (ElementDictionary dict : loader) 065 if (privateCreator.equals(dict.getPrivateCreator())) 066 return dict; 067 } 068 return getStandardElementDictionary(); 069 } 070 071 public static void reload() { 072 synchronized (loader) { 073 loader.reload(); 074 } 075 } 076 077 public static VR vrOf(int tag, String privateCreator) { 078 return getElementDictionary(privateCreator).vrOf(tag); 079 } 080 081 public static String keywordOf(int tag, String privateCreator) { 082 return getElementDictionary(privateCreator).keywordOf(tag); 083 } 084 085 public static int tagForKeyword(String keyword, String privateCreatorID) { 086 return getElementDictionary(privateCreatorID).tagForKeyword(keyword); 087 } 088 089 public final String getPrivateCreator() { 090 return privateCreator; 091 } 092 093 public Class<?> getTagClass() { 094 return tagClass; 095 } 096 097 public abstract VR vrOf(int tag); 098 099 public abstract String keywordOf(int tag); 100 101 public int tmTagOf(int daTag) { 102 return 0; 103 } 104 105 public int daTagOf(int tmTag) { 106 return 0; 107 } 108 109 public int tagForKeyword(String keyword) { 110 if (tagClass != null) 111 try { 112 return tagClass.getField(keyword).getInt(null); 113 } catch (Exception ignore) { } 114 return -1; 115 } 116}