Adds missing string import for binary schema

Author: spacether

samples/client/petstore/java/src/main/java/org/openapijsonschematools/paths/fakeuploaddownloadfile/post/requestbody/content/applicationoctetstream/Schema.java

@@ -1,4 +1,5 @@
 package org.openapijsonschematools.paths.fakeuploaddownloadfile.post.requestbody.content.applicationoctetstream;
+import org.openapijsonschematools.schemas.JsonSchema;
 
 public class Schema {
     // nest classes so all schemas and input/output classes can be public

samples/client/petstore/java/src/main/java/org/openapijsonschematools/paths/fakeuploaddownloadfile/post/responses/response200/content/applicationoctetstream/Schema.java

@@ -1,4 +1,5 @@
 package org.openapijsonschematools.paths.fakeuploaddownloadfile.post.responses.response200.content.applicationoctetstream;
+import org.openapijsonschematools.schemas.JsonSchema;
 
 public class Schema {
     // nest classes so all schemas and input/output classes can be public

src/main/java/org/openapijsonschematools/codegen/generators/JavaClientGenerator.java

@@ -1241,6 +1241,9 @@ public Set<String> getImports(String sourceJsonPath, CodegenSchema schema, Featu
                         } else if (schema.format.equals("byte")) {
                             // todo implement this
                             imports.add("import "+packageName + ".schemas.StringJsonSchema;");
+                        } else if (schema.format.equals("binary")) {
+                            // todo implement this
+                            imports.add("import "+packageName + ".schemas.JsonSchema;");
                         }
                     } else {
                         imports.add("import "+packageName + ".configurations.SchemaConfiguration;");