001package org.hl7.fhir.dstu2.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
032import java.io.File;
033import java.io.FileInputStream;
034import java.io.IOException;
035import java.net.URISyntaxException;
036import java.util.UUID;
037import java.util.zip.ZipEntry;
038import java.util.zip.ZipInputStream;
039
040import org.hl7.fhir.dstu2.formats.IParser;
041import org.hl7.fhir.dstu2.formats.JsonParser;
042import org.hl7.fhir.dstu2.model.Bundle;
043import org.hl7.fhir.dstu2.model.Bundle.BundleEntryComponent;
044import org.hl7.fhir.dstu2.model.Bundle.BundleType;
045import org.hl7.fhir.dstu2.model.Bundle.HTTPVerb;
046import org.hl7.fhir.dstu2.model.Resource;
047import org.hl7.fhir.dstu2.utils.client.FHIRToolingClient;
048import org.hl7.fhir.exceptions.FHIRException;
049import org.hl7.fhir.utilities.Utilities;
050
051public class BatchLoader {
052
053  public static void main(String[] args) throws IOException, Exception {
054    if (args.length < 4) {
055      System.out.println(
056          "Batch uploader takes 4 parameters in order: server base url, file/folder to upload, xml/json, and batch size");
057    } else {
058      String server = args[0];
059      String file = args[1];
060      IParser p = new JsonParser(); // args[2].equals("json") ? new JsonParser() : new XmlParser();
061      int size = Integer.parseInt(args[3]);
062      size = 500;
063      if (file.endsWith(".xml")) {
064        throw new FHIRException("Unimplemented file type " + file);
065      } else if (file.endsWith(".json")) {
066        throw new FHIRException("Unimplemented file type " + file);
067      } else if (file.endsWith(".zip")) {
068        LoadZipFile(server, file, p, size, 0, -1);
069      } else if (new File(file).isDirectory()) {
070        LoadDirectory(server, file, p, size);
071      } else
072        throw new FHIRException("Unknown file type " + file);
073    }
074  }
075
076  private static void LoadDirectory(String server, String file, IParser p, int size) throws IOException, Exception {
077//    LoadZipFile(server, Utilities.path(file, "Patient.json.zip"), p, size, 1000, -1);
078//    LoadZipFile(server, Utilities.path(file, "Binary.json.zip"), p, size, 0, -1);
079//        LoadZipFile(server, Utilities.path(file, "DocumentReference.json.zip"), p, size, 0, -1);
080//        LoadZipFile(server, Utilities.path(file, "Encounter.json.zip"), p, size, 0, -1);
081//        LoadZipFile(server, Utilities.path(file, "Organization.json.zip"), p, size, 0, -1);
082//          LoadZipFile(server, Utilities.path(file, "Procedure.json.zip"), p, size, 0, -1);
083//        LoadZipFile(server, Utilities.path(file, "AllergyIntolerance.json.zip"), p, size, 1500, -1);
084//          LoadZipFile(server, Utilities.path(file, "Condition.json.zip"), p, size, 0, -1);
085    LoadZipFile(server, Utilities.path(file, "Immunization.json.zip"), p, size, 0, -1);
086//        LoadZipFile(server, Utilities.path(file, "MedicationStatement.json.zip"), p, size, 0, -1);
087//        LoadZipFile(server, Utilities.path(file, "Observation-res.json.zip"), p, size, 0, -1);
088//        LoadZipFile(server, Utilities.path(file, "Observation-sh.json.zip"), p, size, 0, -1);
089//        LoadZipFile(server, Utilities.path(file, "Observation-vs.json.zip"), p, size, 0, -1);
090//        LoadZipFile(server, Utilities.path(file, "Observation-gen.json.zip"), p, size, 0, -1);
091//        LoadZipFile(server, Utilities.path(file, "List.json.zip"), p, size, 6500, -1);
092//        LoadZipFile(server, Utilities.path(file, "List-res.json.zip"), p, size, 0, -1);
093//        LoadZipFile(server, Utilities.path(file, "List-vs.json.zip"), p, size, 0, -1);
094  }
095
096  private static void LoadZipFile(String server, String file, IParser p, int size, int start, int end)
097      throws IOException, Exception {
098    System.out.println("Load Zip file " + file);
099    Bundle b = new Bundle();
100    b.setType(BundleType.COLLECTION);
101    b.setId(UUID.randomUUID().toString().toLowerCase());
102    ZipInputStream zip = new ZipInputStream(new FileInputStream(file));
103    ZipEntry entry;
104    while ((entry = zip.getNextEntry()) != null) {
105      try {
106        Resource r = p.parse(zip);
107        b.addEntry().setResource(r);
108      } catch (Exception e) {
109        throw new Exception("Error parsing " + entry.getName() + ": " + e.getMessage(), e);
110      }
111    }
112    loadBundle(server, b, size, start, end);
113  }
114
115  private static int loadBundle(String server, Bundle b, int size, int start, int end) throws URISyntaxException {
116    System.out.println("Post to " + server + ". size = " + Integer.toString(size) + ", start = "
117        + Integer.toString(start) + ", total = " + Integer.toString(b.getEntry().size()));
118    FHIRToolingClient client = new FHIRToolingClient(server, "fhir/batch-loader");
119    int c = start;
120    if (end == -1)
121      end = b.getEntry().size();
122    while (c < end) {
123      Bundle bt = new Bundle();
124      bt.setType(BundleType.BATCH);
125      bt.setId(UUID.randomUUID().toString().toLowerCase());
126      for (int i = c; i < Math.min(b.getEntry().size(), c + size); i++) {
127        BundleEntryComponent be = bt.addEntry();
128        be.setResource(b.getEntry().get(i).getResource());
129        be.getRequest().setMethod(HTTPVerb.PUT);
130        be.getRequest().setUrl(be.getResource().getResourceType().toString() + "/" + be.getResource().getId());
131      }
132      System.out.print("  posting..");
133      long ms = System.currentTimeMillis();
134      Bundle resp = client.transaction(bt);
135
136      for (int i = 0; i < resp.getEntry().size(); i++) {
137        BundleEntryComponent t = resp.getEntry().get(i);
138        if (!t.getResponse().getStatus().startsWith("2")) {
139          System.out.println("failed status at " + Integer.toString(i) + ": " + t.getResponse().getStatus());
140          return c + i;
141        }
142      }
143      c = c + size;
144      System.out.println(
145          "  ..done: " + Integer.toString(c) + ". (" + Long.toString(System.currentTimeMillis() - ms) + " ms)");
146    }
147    System.out.println(" done");
148    return c;
149  }
150
151}