Added support for resource Id with type UUID and OID

src/main/java/io/github/linuxforhealth/hl7/data/DataEnum.java

@@ -0,0 +1,7 @@
+package io.github.linuxforhealth.hl7.data;
+
+public class DataEnum {
+    public enum ResourceIdType {
+        UUID, OID
+    }
+}

src/main/java/io/github/linuxforhealth/hl7/data/Hl7RelatedGeneralUtils.java

@@ -18,6 +18,7 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.UUID;
+
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.text.StringEscapeUtils;
 import org.apache.commons.text.StringTokenizer;
@@ -172,6 +173,25 @@ public static String generateResourceId() {
         return nano.toString() + "." + UUID.randomUUID().toString();
     }
 
+    /**
+     * Generates a resource id when provide type.
+     * Format can be urn:uuid:<random-uuid>, urn:oid:<random-int> default is <current nano second>.<random-uuid>
+     */
+    public static String generateResourceId(String type) {
+        if(type == null || type.isEmpty()) {
+            return generateResourceId();
+        }
+        DataEnum.ResourceIdType resourceIdType = DataEnum.ResourceIdType.valueOf(type);
+        switch (resourceIdType) {
+            case UUID:
+                return "urn:uuid:" + UUID.randomUUID();
+            case OID:
+                return "urn:oid:" + (int)(Math.random() * 1000000);
+            default:
+                return generateResourceId();
+        }
+    }
+
     // Special extractor only for use with PV1 records.
     // Extract the admit and discharge time and calculate duration length.
     // Returns null if for any reason the data is not usable, which

src/test/java/io/github/linuxforhealth/hl7/data/Hl7RelatedGeneralUtilsTest.java

@@ -9,10 +9,14 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
+
 import com.google.common.collect.Lists;
 
 import org.hl7.fhir.r4.model.codesystems.EncounterStatus;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -424,4 +428,18 @@ void get_datetime_value_null() {
         assertThat(Hl7RelatedGeneralUtils.dateTimeWithZoneId(null,null)).isNull();
     }
 
+    @ParameterizedTest
+    @ValueSource(strings = { "UUID", "OID", ""})
+    void getResourceIdWithType(String type) {
+        String resourceId = Hl7RelatedGeneralUtils.generateResourceId(type);
+        System.out.println("ResourceId: " + resourceId);
+        assertThat(resourceId).isNotNull();
+        if(type.equals("UUID")) {
+            assertThat(resourceId).startsWith("urn:uuid:");
+        } else if (type.equals("OID")) {
+            assertThat(resourceId).startsWith("urn:oid:");
+        } else {
+            assertThat(resourceId).contains(".");
+        }
+    }
 }