Add getControlSchema to SchemaFactory, add Multi-Release to MANIFEST

pom.xml

@@ -3,7 +3,7 @@
 
   <groupId>io.xlate</groupId>
   <artifactId>staedi</artifactId>
-  <version>1.4.2-SNAPSHOT</version>
+  <version>1.5.0-SNAPSHOT</version>
 
   <name>StAEDI : Streaming API for EDI for Java</name>
   <description>Streaming API for EDI for Java</description>
@@ -106,6 +106,13 @@
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jar-plugin</artifactId>
           <version>3.2.0</version>
+          <configuration>
+            <archive>
+              <manifestEntries>
+                <Multi-Release>true</Multi-Release>
+              </manifestEntries>
+            </archive>
+          </configuration>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>

src/main/java/io/xlate/edi/internal/schema/StaEDISchemaFactory.java

@@ -107,6 +107,11 @@ public Schema createSchema(URL location) throws EDISchemaException {
         }
     }
 
+    @Override
+    public Schema getControlSchema(String standard, String[] version) throws EDISchemaException {
+        return SchemaUtils.getControlSchema(standard, version);
+    }
+
     @Override
     public boolean isPropertySupported(String name) {
         return supportedProperties.contains(name);

src/main/java/io/xlate/edi/schema/SchemaFactory.java

@@ -37,6 +37,19 @@ public static SchemaFactory newFactory() {
 
     public abstract Schema createSchema(InputStream stream) throws EDISchemaException;
 
+    /**
+     * Retrieve the control schema for the provided standard and version. This method
+     * loads an internal, immutable schema provided by StAEDI.
+     *
+     * @param standard the standard, e.g. X12 or EDIFACT
+     * @param version the version of the standard
+     * @return the control schema corresponding to the standard and version
+     * @throws EDISchemaException when the schema can not be loaded.
+     *
+     * @since 1.5
+     */
+    public Schema getControlSchema(String standard, String[] version) throws EDISchemaException;
+
     /**
      * Query the set of properties that this factory supports.
      *