Added method U.jsonToXmlMinimum(json, step)

Author: javadev

src/main/java/com/github/underscore/U.java

@@ -95,6 +95,7 @@ public class U<T> extends Underscore<T> {
     private static final String SELF_CLOSING = "-self-closing";
     private static final String NIL_KEY = "-nil";
     private static final String OMIT_XML_DECL = "#omit-xml-declaration";
+    private static final String YES = "yes";
     private static final java.util.regex.Pattern RE_WORDS =
             java.util.regex.Pattern.compile(
                     UPPER
@@ -2701,6 +2702,20 @@ public static String jsonToXml(String json) {
         return jsonToXml(json, Xml.XmlStringBuilder.Step.TWO_SPACES, null, null);
     }
 
+    @SuppressWarnings("unchecked")
+    public static String jsonToXmlMinimum(String json, Xml.XmlStringBuilder.Step identStep) {
+        Object object = Json.fromJson(json);
+        if (object instanceof Map) {
+            ((Map<String, Object>) object).put(OMIT_XML_DECL, YES);
+            return Xml.toXml(replaceNumberAndBooleanWithString((Map) object), identStep);
+        }
+        return Xml.toXmlWithoutRoot((List) object, identStep);
+    }
+
+    public static String jsonToXmlMinimum(String json) {
+        return jsonToXmlMinimum(json, Xml.XmlStringBuilder.Step.TWO_SPACES);
+    }
+
     @SuppressWarnings("unchecked")
     public static String xmlToJson(
             String xml, Json.JsonStringBuilder.Step identStep, XmlToJsonMode mode) {

src/main/java/com/github/underscore/Xml.java

@@ -1118,6 +1118,12 @@ public static String toXml(Collection collection, XmlStringBuilder.Step identSte
         return builder.toString();
     }
 
+    public static String toXmlWithoutRoot(Collection collection, XmlStringBuilder.Step identStep) {
+        final XmlStringBuilder builder = new XmlStringBuilderWithoutHeader(identStep, 0);
+        writeArray(collection, builder, ARRAY_TRUE);
+        return builder.toString();
+    }
+
     public static String toXml(Collection collection) {
         return toXml(collection, XmlStringBuilder.Step.TWO_SPACES);
     }

src/test/java/com/github/underscore/LodashTest.java

@@ -1343,6 +1343,25 @@ void jsonToXml() {
                 U.jsonToXml("{\"a\" : {\n \"b\" : \"v1\" }, \"c\" : [\"v1\", \"v2\", \"v3\"]}"));
     }
 
+    @Test
+    void jsonToXmlMinimum() {
+        assertEquals("<a></a>",
+                U.jsonToXmlMinimum("{\n  \"a\": {\n  }\n}"));
+        assertEquals("<a></a>",
+                U.jsonToXmlMinimum("{\n  \"a\": {\n  }\n}", Xml.XmlStringBuilder.Step.TWO_SPACES));
+        assertEquals("<root empty-array=\"true\"></root>",
+                U.jsonToXmlMinimum("[]"));
+        assertEquals("<root>\n"
+                        + "  <a>\n"
+                        + "    <b>1</b>\n"
+                        + "  </a>\n"
+                        + "  <c>v1</c>\n"
+                        + "  <c>v2</c>\n"
+                        + "  <c>v3</c>\n"
+                        + "</root>",
+                U.jsonToXmlMinimum("{\"a\" : {\n \"b\" : 1 }, \"c\" : [\"v1\", \"v2\", \"v3\"]}"));
+    }
+
     @Test
     void getTextType() {
         assertEquals(