001package org.hl7.fhir.r4.conformance;
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.FileOutputStream;
034import java.io.IOException;
035import java.io.OutputStreamWriter;
036
037import org.hl7.fhir.exceptions.FHIRException;
038import org.hl7.fhir.r4.context.IWorkerContext;
039import org.hl7.fhir.r4.model.StructureDefinition;
040import org.hl7.fhir.utilities.Utilities;
041import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
042
043public class ConstraintJavaGenerator {
044
045  private IWorkerContext context; // for doing expansions
046  private String version; // for getting includes correct
047  private String folder; // dest dir where the profile will be generated into
048  private String packageName;
049
050  public ConstraintJavaGenerator(IWorkerContext context, String version, String folder, String packageName) {
051    super();
052    this.context = context;
053    this.version = version;
054    this.folder = folder;
055    this.packageName = packageName;
056  }
057
058  public String generate(StructureDefinition sd) throws FHIRException, IOException {
059    String name = sd.hasName()
060        ? Utilities.titleize(sd.getName().replace(".", "").replace("-", "").replace("\"", "")).replace(" ", "")
061        : "";
062    if (!Utilities.nmtokenize(name).equals(name)) {
063      System.out.println("Cannot generate Java code for profile " + sd.getUrl() + " because the name \"" + name
064          + "\" is not a valid Java class name");
065      return null;
066    }
067    File destFile = ManagedFileAccess.file(Utilities.path(folder, name + ".java"));
068    OutputStreamWriter dest = new OutputStreamWriter(ManagedFileAccess.outStream(destFile), "UTF-8");
069
070    dest.write("package " + packageName + ";\r\n");
071    dest.write("\r\n");
072    dest.write("import org.hl7.fhir.r4.model.ProfilingWrapper;\r\n");
073    dest.write("\r\n");
074    dest.write("public class " + name + " {\r\n");
075    dest.write("\r\n");
076
077    dest.write("}\r\n");
078    dest.flush();
079    dest.close();
080    return destFile.getAbsolutePath();
081  }
082
083}