001package org.hl7.fhir.r4.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.FileNotFoundException; 035import java.io.IOException; 036import java.text.SimpleDateFormat; 037import java.util.Date; 038import java.util.UUID; 039 040import org.hl7.fhir.exceptions.FHIRException; 041import org.hl7.fhir.exceptions.FHIRFormatError; 042import org.hl7.fhir.r4.formats.IParser; 043import org.hl7.fhir.r4.formats.JsonParser; 044import org.hl7.fhir.r4.formats.XmlParser; 045import org.hl7.fhir.r4.model.Bundle; 046import org.hl7.fhir.r4.model.Bundle.BundleEntryComponent; 047import org.hl7.fhir.r4.model.Bundle.BundleType; 048import org.hl7.fhir.r4.model.Bundle.HTTPVerb; 049import org.hl7.fhir.r4.model.Resource; 050import org.hl7.fhir.r4.utils.client.FHIRToolingClient; 051import org.hl7.fhir.utilities.IniFile; 052import org.hl7.fhir.utilities.Utilities; 053import org.hl7.fhir.utilities.filesystem.ManagedFileAccess; 054 055public class BatchLoader { 056 057 public static void main(String[] args) throws IOException, Exception { 058 if (args.length < 3) { 059 System.out.println( 060 "Batch uploader takes 3 parameters in order: server base url, file/folder to upload, and batch size"); 061 } else { 062 String server = args[0]; 063 String file = args[1]; 064 int size = Integer.parseInt(args[2]); 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, size); 073 } else 074 throw new FHIRException("Unknown file type " + file); 075 } 076 } 077 078 private static void LoadDirectory(String server, String folder, int size) throws IOException, Exception { 079 System.out.print("Connecting to " + server + ".. "); 080 FHIRToolingClient client = new FHIRToolingClient(server, "fhir/batch-loader"); 081 System.out.println("Done"); 082 083 IniFile ini = new IniFile(Utilities.path(folder, "batch-load-progress.ini")); 084 for (File f : ManagedFileAccess.file(folder).listFiles()) { 085 if (f.getName().endsWith(".json") || f.getName().endsWith(".xml")) { 086 if (!ini.getBooleanProperty("finished", f.getName())) { 087 sendFile(client, f, size, ini); 088 } 089 } 090 } 091 } 092 093 private static void sendFile(FHIRToolingClient client, File f, int size, IniFile ini) 094 throws FHIRFormatError, FileNotFoundException, IOException { 095 long ms = System.currentTimeMillis(); 096 System.out.print("Loading " + f.getName() + ".. "); 097 IParser parser = f.getName().endsWith(".json") ? new JsonParser() : new XmlParser(); 098 Resource res = parser.parse(new FileInputStream(f)); 099 System.out.println(" done: (" + Long.toString(System.currentTimeMillis() - ms) + " ms)"); 100 101 if (res instanceof Bundle) { 102 Bundle bnd = (Bundle) res; 103 int cursor = ini.hasProperty("progress", f.getName()) ? ini.getIntegerProperty("progress", f.getName()) : 0; 104 while (cursor < bnd.getEntry().size()) { 105 Bundle bt = new Bundle(); 106 bt.setType(BundleType.BATCH); 107 bt.setId(UUID.randomUUID().toString().toLowerCase()); 108 for (int i = cursor; i < Math.min(bnd.getEntry().size(), cursor + size); i++) { 109 BundleEntryComponent be = bt.addEntry(); 110 be.setResource(bnd.getEntry().get(i).getResource()); 111 be.getRequest().setMethod(HTTPVerb.PUT); 112 be.getRequest().setUrl(be.getResource().getResourceType().toString() + "/" + be.getResource().getId()); 113 } 114 System.out.print(f.getName() + " (" + cursor + "/" + bnd.getEntry().size() + "): "); 115 ms = System.currentTimeMillis(); 116 Bundle resp = client.transaction(bt); 117 118 int ncursor = cursor + size; 119 for (int i = 0; i < resp.getEntry().size(); i++) { 120 BundleEntryComponent t = resp.getEntry().get(i); 121 if (!t.getResponse().getStatus().startsWith("2")) { 122 System.out.println("failed status at " + Integer.toString(i) + ": " + t.getResponse().getStatus()); 123 ncursor = cursor + i - 1; 124 break; 125 } 126 } 127 cursor = ncursor; 128 System.out.println(" .. done: (" + Long.toString(System.currentTimeMillis() - ms) + " ms) " 129 + SimpleDateFormat.getInstance().format(new Date())); 130 ini.setIntegerProperty("progress", f.getName(), cursor, null); 131 ini.save(); 132 } 133 ini.setBooleanProperty("finished", f.getName(), true, null); 134 ini.save(); 135 } else { 136 client.update(res); 137 ini.setBooleanProperty("finished", f.getName(), true, null); 138 ini.save(); 139 } 140 } 141// 142// private static void LoadZipFile(String server, String file, IParser p, int size, int start, int end) throws IOException, Exception { 143// System.out.println("Load Zip file "+file); 144// Bundle b = new Bundle(); 145// b.setType(BundleType.COLLECTION); 146// b.setId(UUID.randomUUID().toString().toLowerCase()); 147// ZipInputStream zip = new ZipInputStream(ManagedFileAccess.inStream(file)); 148// ZipEntry entry; 149// while((entry = zip.getNextEntry())!=null) 150// { 151// try { 152// Resource r = p.parse(zip); 153// b.addEntry().setResource(r); 154// } catch (Exception e) { 155// throw new Exception("Error parsing "+entry.getName()+": "+e.getMessage(), e); 156// } 157// } 158// loadBundle(server, b, size, start, end); 159// } 160// 161// 162// private static int loadBundle(String server, Bundle b, int size, int start, int end) throws URISyntaxException { 163// System.out.println("Post to "+server+". size = "+Integer.toString(size)+", start = "+Integer.toString(start)+", total = "+Integer.toString(b.getEntry().size())); 164// FHIRToolingClient client = new FHIRToolingClient(server); 165// int c = start; 166// if (end == -1) 167// end = b.getEntry().size(); 168// while (c < end) { 169// Bundle bt = new Bundle(); 170// bt.setType(BundleType.BATCH); 171// bt.setId(UUID.randomUUID().toString().toLowerCase()); 172// for (int i = c; i < Math.min(b.getEntry().size(), c+size); i++) { 173// BundleEntryComponent be = bt.addEntry(); 174// be.setResource(b.getEntry().get(i).getResource()); 175// be.getRequest().setMethod(HTTPVerb.PUT); 176// be.getRequest().setUrl(be.getResource().getResourceType().toString()+"/"+be.getResource().getId()); 177// } 178// System.out.print(" posting.."); 179// long ms = System.currentTimeMillis(); 180// Bundle resp = client.transaction(bt); 181// 182// for (int i = 0; i < resp.getEntry().size(); i++) { 183// BundleEntryComponent t = resp.getEntry().get(i); 184// if (!t.getResponse().getStatus().startsWith("2")) { 185// System.out.println("failed status at "+Integer.toString(i)+": "+t.getResponse().getStatus()); 186// return c+i; 187// } 188// } 189// c = c + size; 190// System.out.println(" ..done: "+Integer.toString(c)+". ("+Long.toString(System.currentTimeMillis()-ms)+" ms)"); 191// } 192// System.out.println(" done"); 193// return c; 194// } 195 196}