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.FileOutputStream;
036import java.io.IOException;
037
038import org.apache.commons.lang3.StringUtils;
039import org.hl7.fhir.exceptions.FHIRFormatError;
040import org.hl7.fhir.r4.formats.JsonParser;
041import org.hl7.fhir.r4.model.Bundle;
042import org.hl7.fhir.r4.model.Bundle.BundleEntryComponent;
043import org.hl7.fhir.r4.model.MetadataResource;
044import org.hl7.fhir.r4.model.Resource;
045import org.hl7.fhir.utilities.Utilities;
046import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
047
048public class Unbundler {
049
050  public static void main(String[] args) throws Exception {
051    unbundle(args[0]);
052  }
053
054  private static void unbundle(String src) throws FHIRFormatError, FileNotFoundException, IOException {
055    String folder = Utilities.getDirectoryForFile(src);
056    Bundle bnd = (Bundle) new JsonParser().parse(ManagedFileAccess.inStream(src));
057    for (BundleEntryComponent be : bnd.getEntry()) {
058      Resource r = be.getResource();
059      if (r != null) {
060        if (StringUtils.isBlank(r.getId())) {
061          if (r instanceof MetadataResource)
062            r.setId(tail((MetadataResource) r));
063        }
064        if (!StringUtils.isBlank(r.getId())) {
065          String tgt = Utilities.path(folder, r.fhirType() + "-" + r.getId() + ".json");
066          if (!ManagedFileAccess.file(tgt).exists())
067            new JsonParser().compose(ManagedFileAccess.outStream(tgt), r);
068        }
069      }
070    }
071  }
072
073  private static String tail(MetadataResource r) {
074    return r.getUrl().contains("/") ? r.getUrl().substring(r.getUrl().lastIndexOf("/") + 1) : null;
075  }
076}