001package org.hl7.fhir.r5.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.IOException;
037import java.net.URISyntaxException;
038import java.util.UUID;
039import java.util.zip.ZipEntry;
040import java.util.zip.ZipInputStream;
041
042import org.hl7.fhir.exceptions.FHIRException;
043import org.hl7.fhir.r5.formats.IParser;
044import org.hl7.fhir.r5.formats.JsonParser;
045import org.hl7.fhir.r5.model.Bundle;
046import org.hl7.fhir.r5.model.Bundle.BundleEntryComponent;
047import org.hl7.fhir.r5.model.Bundle.BundleType;
048import org.hl7.fhir.r5.model.Bundle.HTTPVerb;
049import org.hl7.fhir.r5.model.Resource;
050import org.hl7.fhir.r5.utils.client.FHIRToolingClient;
051import org.hl7.fhir.utilities.Utilities;
052import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
053
054public class BatchLoader {
055
056        public static void main(String[] args) throws IOException, Exception {
057          if (args.length < 4) {
058                System.out.println("Batch uploader takes 4 parameters in order: server base url, file/folder to upload, xml/json, and batch size");
059          } else {
060                String server = args[0];
061                String file = args[1];
062                IParser p = new JsonParser(); // args[2].equals("json") ? new JsonParser() : new XmlParser();
063                int size = Integer.parseInt(args[3]);
064                size = 500;
065                if (file.endsWith(".xml")) {
066                        throw new FHIRException("Unimplemented file type "+file);
067                } else if (file.endsWith(".json")) {
068                        throw new FHIRException("Unimplemented file type "+file);
069                } else if (file.endsWith(".zip")) {
070                        LoadZipFile(server, file, p, size, 0, -1);
071                } else if (ManagedFileAccess.file(file).isDirectory()) {
072                  LoadDirectory(server, file, p, size);
073                } else 
074                        throw new FHIRException("Unknown file type "+file);
075          }
076        }
077
078        private static void LoadDirectory(String server, String file, IParser p, int size) throws IOException, Exception {
079//    LoadZipFile(server, Utilities.path(file, "Patient.json.zip"), p, size, 1000, -1);
080//    LoadZipFile(server, Utilities.path(file, "Binary.json.zip"), p, size, 0, -1);
081//        LoadZipFile(server, Utilities.path(file, "DocumentReference.json.zip"), p, size, 0, -1);
082//        LoadZipFile(server, Utilities.path(file, "Encounter.json.zip"), p, size, 0, -1);
083//        LoadZipFile(server, Utilities.path(file, "Organization.json.zip"), p, size, 0, -1);
084//          LoadZipFile(server, Utilities.path(file, "Procedure.json.zip"), p, size, 0, -1);
085//        LoadZipFile(server, Utilities.path(file, "AllergyIntolerance.json.zip"), p, size, 1500, -1);
086//          LoadZipFile(server, Utilities.path(file, "Condition.json.zip"), p, size, 0, -1);
087            LoadZipFile(server, Utilities.path(file, "Immunization.json.zip"), p, size, 0, -1);
088//        LoadZipFile(server, Utilities.path(file, "MedicationStatement.json.zip"), p, size, 0, -1);
089//        LoadZipFile(server, Utilities.path(file, "Observation-res.json.zip"), p, size, 0, -1);
090//        LoadZipFile(server, Utilities.path(file, "Observation-sh.json.zip"), p, size, 0, -1);
091//        LoadZipFile(server, Utilities.path(file, "Observation-vs.json.zip"), p, size, 0, -1);
092//        LoadZipFile(server, Utilities.path(file, "Observation-gen.json.zip"), p, size, 0, -1);
093//        LoadZipFile(server, Utilities.path(file, "List.json.zip"), p, size, 6500, -1);
094//        LoadZipFile(server, Utilities.path(file, "List-res.json.zip"), p, size, 0, -1);
095//        LoadZipFile(server, Utilities.path(file, "List-vs.json.zip"), p, size, 0, -1);
096  }
097
098        
099  private static void LoadZipFile(String server, String file, IParser p, int size, int start, int end) throws IOException, Exception {
100                System.out.println("Load Zip file "+file);
101                Bundle b = new Bundle();
102                b.setType(BundleType.COLLECTION);
103                b.setId(UUID.randomUUID().toString().toLowerCase());
104                ZipInputStream zip = new ZipInputStream(ManagedFileAccess.inStream(file));
105                ZipEntry entry;
106    while((entry = zip.getNextEntry())!=null)
107    {
108        try {
109          Resource r = p.parse(zip);
110          b.addEntry().setResource(r);
111        } catch (Exception e) {
112                throw new Exception("Error parsing "+entry.getName()+": "+e.getMessage(), e);
113        }
114    }
115                loadBundle(server, b, size, start, end);
116        }
117
118  
119        private static int loadBundle(String server, Bundle b, int size, int start, int end) throws URISyntaxException {
120                System.out.println("Post to "+server+". size = "+Integer.toString(size)+", start = "+Integer.toString(start)+", total = "+Integer.toString(b.getEntry().size()));
121                FHIRToolingClient client = new FHIRToolingClient(server, "fhir/batch-loader");
122          int c = start;
123          if (end == -1)
124            end = b.getEntry().size();
125          while (c < end) {
126                        Bundle bt = new Bundle();
127                        bt.setType(BundleType.BATCH);                   
128                        bt.setId(UUID.randomUUID().toString().toLowerCase());
129                        for (int i = c; i < Math.min(b.getEntry().size(), c+size); i++) {
130                                BundleEntryComponent be = bt.addEntry();
131                                be.setResource(b.getEntry().get(i).getResource());
132                                be.getRequest().setMethod(HTTPVerb.PUT);
133                                be.getRequest().setUrl(be.getResource().getResourceType().toString()+"/"+be.getResource().getId());
134                        }
135                        System.out.print("  posting..");
136                        long ms = System.currentTimeMillis();
137                        Bundle resp = client.transaction(bt);
138                        
139                        for (int i = 0; i < resp.getEntry().size(); i++) {
140                          BundleEntryComponent t = resp.getEntry().get(i);
141                          if (!t.getResponse().getStatus().startsWith("2")) { 
142                            System.out.println("failed status at "+Integer.toString(i)+": "+t.getResponse().getStatus());
143                            return c+i;
144                          }
145                        }
146                        c = c + size;
147      System.out.println("  ..done: "+Integer.toString(c)+". ("+Long.toString(System.currentTimeMillis()-ms)+" ms)");
148          }
149                System.out.println(" done");
150                return c;
151        }
152
153}