001package org.hl7.fhir.dstu3.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.FileNotFoundException;
037import java.io.IOException;
038import java.net.URISyntaxException;
039import java.text.SimpleDateFormat;
040import java.util.Date;
041import java.util.UUID;
042import java.util.zip.ZipEntry;
043import java.util.zip.ZipInputStream;
044
045import org.hl7.fhir.dstu3.formats.IParser;
046import org.hl7.fhir.dstu3.formats.JsonParser;
047import org.hl7.fhir.dstu3.formats.XmlParser;
048import org.hl7.fhir.dstu3.model.Bundle;
049import org.hl7.fhir.dstu3.model.Bundle.BundleEntryComponent;
050import org.hl7.fhir.dstu3.model.Bundle.BundleType;
051import org.hl7.fhir.dstu3.model.Bundle.HTTPVerb;
052import org.hl7.fhir.dstu3.model.Resource;
053import org.hl7.fhir.dstu3.utils.client.FHIRToolingClient;
054import org.hl7.fhir.exceptions.FHIRException;
055import org.hl7.fhir.exceptions.FHIRFormatError;
056import org.hl7.fhir.utilities.IniFile;
057import org.hl7.fhir.utilities.Utilities;
058
059public class BatchLoader {
060
061  public static void main(String[] args) throws IOException, Exception {
062    if (args.length < 3) {
063      System.out.println("Batch uploader takes 3 parameters in order: server base url, file/folder to upload, and batch size");
064    } else {
065      String server = args[0];
066      String file = args[1];
067      int size = Integer.parseInt(args[2]);
068      if (file.endsWith(".xml")) {
069        throw new FHIRException("Unimplemented file type "+file);
070      } else if (file.endsWith(".json")) {
071        throw new FHIRException("Unimplemented file type "+file);
072//      } else if (file.endsWith(".zip")) {
073//        LoadZipFile(server, file, p, size, 0, -1);
074      } else if (new File(file).isDirectory()) {
075        LoadDirectory(server, file, size);
076      } else 
077        throw new FHIRException("Unknown file type "+file);
078    }
079  }
080
081  private static void LoadDirectory(String server, String folder, int size) throws IOException, Exception {
082    System.out.print("Connecting to "+server+".. ");
083    FHIRToolingClient client = new FHIRToolingClient(server, "fhir/batch-loader");
084    System.out.println("Done");
085    
086    IniFile ini = new IniFile(Utilities.path(folder, "batch-load-progress.ini"));
087    for (File f : new File(folder).listFiles()) {
088      if (f.getName().endsWith(".json") || f.getName().endsWith(".xml")) {
089        if (!ini.getBooleanProperty("finished", f.getName())) {
090          sendFile(client, f, size, ini);
091        }
092      }
093    }
094  }
095
096  
097  private static void sendFile(FHIRToolingClient client, File f, int size, IniFile ini) throws FHIRFormatError, FileNotFoundException, IOException {
098    long ms = System.currentTimeMillis();
099    System.out.print("Loading "+f.getName()+".. ");
100    IParser parser = f.getName().endsWith(".json") ? new JsonParser() : new XmlParser();
101    Resource res = parser.parse(new FileInputStream(f));
102    System.out.println("  done: ("+Long.toString(System.currentTimeMillis()-ms)+" ms)");
103    
104    if (res instanceof Bundle) {
105      Bundle bnd = (Bundle) res;
106      int cursor = ini.hasProperty("progress", f.getName()) ? ini.getIntegerProperty("progress", f.getName()) : 0;
107      while (cursor < bnd.getEntry().size()) {
108        Bundle bt = new Bundle();
109        bt.setType(BundleType.BATCH);     
110        bt.setId(UUID.randomUUID().toString().toLowerCase());
111        for (int i = cursor; i < Math.min(bnd.getEntry().size(), cursor+size); i++) {
112          if (i >=0 && i < bnd.getEntry().size()) {
113            BundleEntryComponent be = bt.addEntry();
114            be.setResource(bnd.getEntry().get(i).getResource());
115            be.getRequest().setMethod(HTTPVerb.PUT);
116            be.getRequest().setUrl(be.getResource().getResourceType().toString()+"/"+be.getResource().getId());
117          }
118        }
119        System.out.print(f.getName()+" ("+cursor+"/"+bnd.getEntry().size()+"): ");
120        ms = System.currentTimeMillis();
121        Bundle resp = client.transaction(bt);
122
123        int ncursor = cursor+size;
124        for (int i = 0; i < resp.getEntry().size(); i++) {
125          BundleEntryComponent t = resp.getEntry().get(i);
126          if (!t.getResponse().getStatus().startsWith("2")) { 
127            System.out.println("failed status at "+Integer.toString(i)+": "+t.getResponse().getStatus());
128            ncursor = cursor+i-1;
129            break;
130          }
131        }
132        cursor = ncursor;
133        System.out.println("  .. done: ("+Long.toString(System.currentTimeMillis()-ms)+" ms) "+SimpleDateFormat.getInstance().format(new Date()));
134        ini.setIntegerProperty("progress", f.getName(), cursor, null);
135        ini.save();
136      }
137      ini.setBooleanProperty("finished", f.getName(), true, null);
138      ini.save();
139    } else {
140      client.update(res);
141      ini.setBooleanProperty("finished", f.getName(), true, null);
142      ini.save();
143    }    
144  }
145//
146//  private static void LoadZipFile(String server, String file, IParser p, int size, int start, int end) throws IOException, Exception {
147//    System.out.println("Load Zip file "+file);
148//    Bundle b = new Bundle();
149//    b.setType(BundleType.COLLECTION);
150//    b.setId(UUID.randomUUID().toString().toLowerCase());
151//    ZipInputStream zip = new ZipInputStream(new FileInputStream(file));
152//    ZipEntry entry;
153//    while((entry = zip.getNextEntry())!=null)
154//    {
155//      try {
156//        Resource r = p.parse(zip);
157//        b.addEntry().setResource(r);
158//      } catch (Exception e) {
159//        throw new Exception("Error parsing "+entry.getName()+": "+e.getMessage(), e);
160//      }
161//    }
162//    loadBundle(server, b, size, start, end);
163//  }
164//
165//  
166//  private static int loadBundle(String server, Bundle b, int size, int start, int end) throws URISyntaxException {
167//    System.out.println("Post to "+server+". size = "+Integer.toString(size)+", start = "+Integer.toString(start)+", total = "+Integer.toString(b.getEntry().size()));
168//    FHIRToolingClient client = new FHIRToolingClient(server);
169//    int c = start;
170//    if (end == -1)
171//      end = b.getEntry().size();
172//    while (c < end) {
173//      Bundle bt = new Bundle();
174//      bt.setType(BundleType.BATCH);     
175//      bt.setId(UUID.randomUUID().toString().toLowerCase());
176//      for (int i = c; i < Math.min(b.getEntry().size(), c+size); i++) {
177//        BundleEntryComponent be = bt.addEntry();
178//        be.setResource(b.getEntry().get(i).getResource());
179//        be.getRequest().setMethod(HTTPVerb.PUT);
180//        be.getRequest().setUrl(be.getResource().getResourceType().toString()+"/"+be.getResource().getId());
181//      }
182//      System.out.print("  posting..");
183//      long ms = System.currentTimeMillis();
184//      Bundle resp = client.transaction(bt);
185//      
186//      for (int i = 0; i < resp.getEntry().size(); i++) {
187//        BundleEntryComponent t = resp.getEntry().get(i);
188//        if (!t.getResponse().getStatus().startsWith("2")) { 
189//          System.out.println("failed status at "+Integer.toString(i)+": "+t.getResponse().getStatus());
190//          return c+i;
191//        }
192//      }
193//      c = c + size;
194//      System.out.println("  ..done: "+Integer.toString(c)+". ("+Long.toString(System.currentTimeMillis()-ms)+" ms)");
195//    }
196//    System.out.println(" done");
197//    return c;
198//  }
199
200}