Java tutorial
/******************************************************************************* * Copyright (c) 2015, 2016 Substance Abuse and Mental Health Services Administration (SAMHSA) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Contributors: * Eversolve, LLC - initial IExHub implementation for Health Information Exchange (HIE) integration * Anthony Sute, Ioana Singureanu *******************************************************************************/ package org.iexhub.services; import java.io.File; import java.io.FileOutputStream; import java.util.ArrayList; import java.util.Map; import javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.Response; import jersey.repackaged.com.google.common.base.Equivalence; import jersey.repackaged.com.google.common.base.Predicate; import jersey.repackaged.com.google.common.collect.Collections2; import jersey.repackaged.com.google.common.collect.MapDifference; import jersey.repackaged.com.google.common.collect.Maps; import org.apache.commons.lang3.StringUtils; import org.iexhub.config.IExHubConfig; import org.iexhub.exceptions.InvalidExchangeFormatException; import org.iexhub.exceptions.InvalidSourceModelException; import org.iexhub.exceptions.InvalidTargetModelException; import org.iexhub.exceptions.MessageTransformException; import org.iexhub.exceptions.SourceMapMissingException; import org.iexhub.exceptions.SourceMsgMissingException; import org.iexhub.exceptions.TargetMapMissingException; import org.iexhub.exceptions.UnexpectedServerException; import org.openhealthtools.mdht.mdmi.Mdmi; import org.openhealthtools.mdht.mdmi.MdmiConfig; import org.openhealthtools.mdht.mdmi.MdmiMessage; import org.openhealthtools.mdht.mdmi.MdmiModelRef; import org.openhealthtools.mdht.mdmi.MdmiTransferInfo; import org.openhealthtools.mdht.mdmi.model.MdmiBusinessElementReference; /** * @author A. Sute * */ @Deprecated @Path("/TranslateInbound") public class TranslateInboundService { private final String testOutputPath; public TranslateInboundService() { this.testOutputPath = IExHubConfig.getProperty("TestOutputPath"); assert StringUtils.isNotBlank(this.testOutputPath) : "'TestOutputPath' property must be configured"; } @GET @Produces("application/xml") public Response translateInbound(@QueryParam("applicationId") String applicationId, @QueryParam("exchangeFormat") String exchangeFormat, @QueryParam("sourceDataSet") String sourceDataSet) { String trgMap = this.testOutputPath + "/EhrMap.xmi"; String trgMdl = "EHR1.ModelName"; String trgMsg = this.testOutputPath + "/targetehr.xml"; String srcMap = null; String srcMdl = null; String cnvElm = ""; File sourceDataSetFile = null; File rootDir = new File(System.getProperties().getProperty(this.testOutputPath)); // initialize the runtime, using the current folder as the root folder Mdmi.INSTANCE.initialize(rootDir); Mdmi.INSTANCE.start(); String retVal = null; try { if (exchangeFormat.compareToIgnoreCase("ccda") == 0) { srcMap = this.testOutputPath + "/CCDAMap.9.1.xmi"; srcMdl = "CCDMessageGroup.CCD"; } else if (exchangeFormat.compareToIgnoreCase("fhir") == 0) { srcMap = this.testOutputPath + "/FhirPatient.xmi"; srcMdl = "FHIRLocalTestMap.FHIRTest99"; } else { throw new InvalidExchangeFormatException( "Error - invalid exchange format specified. 'CCDA' or 'FHIR' supported. '" + srcMap + "' does not exist"); } // 1. check to make sure the maps and messages exist File f = Mdmi.INSTANCE.fileFromRelPath(srcMap); if (!f.exists() || !f.isFile()) { throw new SourceMapMissingException("Error - source map file '" + srcMap + "' does not exist"); } else { f = Mdmi.INSTANCE.fileFromRelPath(trgMap); if (!f.exists() || !f.isFile()) { throw new TargetMapMissingException("Error - target map file '" + trgMap + "' does not exist"); } else { sourceDataSetFile = Mdmi.INSTANCE.fileFromRelPath(sourceDataSet); if (!sourceDataSetFile.exists() || !sourceDataSetFile.isFile()) { // The source message may be a URI - verify if that's the case... sourceDataSetFile = new File(sourceDataSet); } if (!sourceDataSetFile.exists() || !sourceDataSetFile.isFile()) { throw new SourceMsgMissingException( "Error - source message file '" + sourceDataSet + "' does not exist"); } else { f = Mdmi.INSTANCE.fileFromRelPath(trgMsg); if (!f.exists() || !f.isFile()) { throw new TargetMapMissingException( "Error - target message file '" + trgMsg + "' does not exist"); } else { // 2. make sure the qualified message names are spelled right String[] a = srcMdl.split("\\."); if (a == null || a.length != 2) { throw new InvalidSourceModelException("Error - invalid source model '" + srcMdl + "', must be formatted as MapName.MessageName"); } else { String srcMapName = a[0]; String srcMsgMdl = a[1]; a = trgMdl.split("\\."); if (a == null || a.length != 2) { throw new InvalidTargetModelException("Error - invalid target model '" + trgMdl + "', must be formatted as MapName.MessageName"); } else { try { String trgMapName = a[0]; String trgMsgMdl = a[1]; // 3. parse the elements array final ArrayList<String> elements = new ArrayList<String>(); String[] ss = cnvElm.split(";"); for (String s : ss) { if (s != null && s.trim().length() > 0) { elements.add(s); } } // 4. load the maps into the runtime. Mdmi.INSTANCE.getConfig() .putMapInfo(new MdmiConfig.MapInfo(srcMapName, srcMap)); Mdmi.INSTANCE.getConfig() .putMapInfo(new MdmiConfig.MapInfo(trgMapName, trgMap)); Mdmi.INSTANCE.getResolver().resolveConfig(Mdmi.INSTANCE.getConfig()); // 5. Construct the parameters to the call based on the values passed in MdmiModelRef sMod = new MdmiModelRef(srcMapName, srcMsgMdl); MdmiMessage sMsg = new MdmiMessage(sourceDataSetFile); MdmiModelRef tMod = new MdmiModelRef(trgMapName, trgMsgMdl); MdmiMessage tMsg = new MdmiMessage(Mdmi.INSTANCE.fileFromRelPath(trgMsg)); Map<String, MdmiBusinessElementReference> left = sMod.getModel() .getBusinessElementHashMap(); Map<String, MdmiBusinessElementReference> right = tMod.getModel() .getBusinessElementHashMap(); Equivalence<MdmiBusinessElementReference> valueEquivalence = new Equivalence<MdmiBusinessElementReference>() { @Override protected boolean doEquivalent(MdmiBusinessElementReference a, MdmiBusinessElementReference b) { return a.getUniqueIdentifier().equals(b.getUniqueIdentifier()); } @Override protected int doHash(MdmiBusinessElementReference t) { return t.getUniqueIdentifier().hashCode(); } }; MapDifference<String, MdmiBusinessElementReference> differences = Maps .difference(left, right, valueEquivalence); Predicate<MdmiBusinessElementReference> predicate = new Predicate<MdmiBusinessElementReference>() { @Override public boolean apply(MdmiBusinessElementReference input) { if (!elements.isEmpty()) { for (String element : elements) { if (input.getName().equalsIgnoreCase(element)) { return true; } } return false; } return true; } }; ; ArrayList<MdmiBusinessElementReference> bers = new ArrayList<MdmiBusinessElementReference>(); bers.addAll(Collections2.filter(differences.entriesInCommon().values(), predicate)); MdmiTransferInfo ti = new MdmiTransferInfo(sMod, sMsg, tMod, tMsg, bers); ti.useDictionary = true; // 6. call the runtime Mdmi.INSTANCE.executeTransfer(ti); // 7. set the return value retVal = tMsg.getDataAsString(); } catch (Exception e) { throw new MessageTransformException(e.getMessage()); } } } } } } } } catch (InvalidSourceModelException | InvalidTargetModelException | MessageTransformException | SourceMapMissingException | SourceMsgMissingException | TargetMapMissingException ex) { throw ex; } catch (Exception ex) { throw new UnexpectedServerException("Error - " + ex.getMessage()); } finally { Mdmi.INSTANCE.stop(); } return Response.status(Response.Status.OK).entity(retVal).type(MediaType.APPLICATION_XML).build(); } public static void saveResults(String content) throws Exception { FileOutputStream fop = null; File file; file = new File("resultsInbound.xml"); fop = new FileOutputStream(file); // if file doesn't exist, then create it if (!file.exists()) { file.createNewFile(); } // get the content in bytes byte[] contentInBytes = content.getBytes(); fop.write(contentInBytes); fop.flush(); fop.close(); } }