001package org.hl7.fhir.dstu2016may.utils;
002
003/*
004  Copyright (c) 2011+, HL7, Inc.
005  All rights reserved.
006  
007  Redistribution and use in source and binary forms, with or without modification, 
008  are permitted provided that the following conditions are met:
009    
010   * Redistributions of source code must retain the above copyright notice, this 
011     list of conditions and the following disclaimer.
012   * Redistributions in binary form must reproduce the above copyright notice, 
013     this list of conditions and the following disclaimer in the documentation 
014     and/or other materials provided with the distribution.
015   * Neither the name of HL7 nor the names of its contributors may be used to 
016     endorse or promote products derived from this software without specific 
017     prior written permission.
018  
019  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
020  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
021  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
022  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
023  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
024  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
025  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
026  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
027  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
028  POSSIBILITY OF SUCH DAMAGE.
029  
030 */
031
032
033
034import java.io.File;
035import java.io.FileInputStream;
036import java.io.FileOutputStream;
037import java.util.ArrayList;
038import java.util.HashMap;
039import java.util.List;
040
041import org.hl7.fhir.dstu2016may.formats.IParser.OutputStyle;
042import org.hl7.fhir.dstu2016may.formats.XmlParser;
043import org.hl7.fhir.dstu2016may.metamodel.Element;
044import org.hl7.fhir.dstu2016may.metamodel.Manager;
045import org.hl7.fhir.dstu2016may.metamodel.Manager.FhirFormat;
046import org.hl7.fhir.dstu2016may.model.Bundle;
047import org.hl7.fhir.dstu2016may.model.StructureMap;
048import org.hl7.fhir.utilities.TextFile;
049import org.hl7.fhir.utilities.Utilities;
050
051public class Transformer {
052
053        private String txServer;
054        private String definitions;
055        private List<String> folders = new ArrayList<String>();
056        private String source;
057        private String mapUri;
058        private String output;
059        private String message;
060        private StructureMapUtilities scu;
061
062        public String getTxServer() {
063                return txServer;
064        }
065        public void setTxServer(String txServer) {
066                this.txServer = txServer;
067        }
068        public String getDefinitions() {
069                return definitions;
070        }
071        public void setDefinitions(String definitions) {
072                this.definitions = definitions;
073        }
074        public List<String> getFolders() {
075                return folders;
076        }
077
078        public void addFolder(String value) {
079                folders.add(value);
080        }
081
082        public String getSource() {
083                return source;
084        }
085        public void setSource(String source) {
086                this.source = source;
087        }
088        public String getOutput() {
089                return output;
090        }
091        public void setOutput(String output) {
092                this.output = output;
093        }
094
095
096
097
098
099        public String getMapUri() {
100                return mapUri;
101        }
102        public void setMapUri(String mapUri) {
103                this.mapUri = mapUri;
104        }
105        public boolean process() {
106                try {
107            System.out.println("  .. load definitions from "+definitions);
108                        IWorkerContext context = SimpleWorkerContext.fromPack(definitions);
109                        scu = new StructureMapUtilities(context, new HashMap<String, StructureMap>(), null);
110
111                        for (String folder : folders) {
112                    System.out.println("  .. load additional definitions from "+folder);
113                                ((SimpleWorkerContext) context).loadFromFolder(folder);
114                                loadMaps(folder);
115                        }
116            System.out.println("  .. load source from "+source);
117                        Element e = Manager.parse(context, new FileInputStream(source), FhirFormat.XML);
118
119                        Bundle bundle = new Bundle();
120                        StructureMap map = scu.getLibrary().get(mapUri);
121                        if (map == null)
122                                throw new Error("Unable to find map "+mapUri+" (Known Maps = "+Utilities.listCanonicalUrls(scu.getLibrary().keySet())+")");
123                        scu.transform(null, e, map, bundle);
124                        new XmlParser().setOutputStyle(OutputStyle.PRETTY).compose(new FileOutputStream(output), bundle);
125                        return true;
126                } catch (Exception e) {
127                        e.printStackTrace();
128                        message = e.getMessage();
129                        return false;
130                } 
131        }
132        
133        private void loadMaps(String folder) {
134                for (String f : new File(folder).list()) {
135                        try {
136                                StructureMap map = scu.parse(TextFile.fileToString(Utilities.path(folder, f)));
137                                scu.getLibrary().put(map.getUrl(), map);
138                        } catch (Exception e) {
139                        }
140                }
141
142        }
143        public String getMessage() {
144                return message;
145        }
146
147
148}