#91: fixes serialization issue

modules/lib/minio/docclient/src/main/java/org/incode/module/minio/docclient/archive/ArchiveArgs.java

@@ -4,9 +4,13 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ObjectWriter;
 
+import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import lombok.Setter;
 
+@NoArgsConstructor
+@AllArgsConstructor
 public class ArchiveArgs {
 
     private static final ObjectWriter writer;

modules/lib/minio/docclient/src/main/java/org/incode/module/minio/docclient/archive/StringValue.java

@@ -1,10 +1,16 @@
 package org.incode.module.minio.docclient.archive;
 
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@NoArgsConstructor
+@AllArgsConstructor
 public class StringValue {
-    final String value;
-    public StringValue(final String value) {
-        this.value = value;
-    }
+
+    @Getter @Setter
+    String value;
 
     @Override
     public String toString() {

modules/lib/minio/docclient/src/test/java/org/incode/module/minio/docclient/archive/ArchiveArgs_asJson_Test.java

@@ -0,0 +1,22 @@
+package org.incode.module.minio.docclient.archive;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.CoreMatchers.nullValue;
+
+public class ArchiveArgs_asJson_Test {
+
+    @Test
+    public void xxx() throws Exception {
+        final ArchiveArgs archiveArgs = new ArchiveArgs();
+        archiveArgs.setDocBookmark(new StringValue("incode.Document:123"));
+        archiveArgs.setExternalUrl(new StringValue("http://yadayada"));
+
+        final String s = archiveArgs.asJson();
+
+        Assert.assertThat(s, is(not(nullValue())));
+    }
+
+}