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