From 46b5ec48899ef15081da57f25b16aea57b087eaa Mon Sep 17 00:00:00 2001
From: thevpc <taha.bensalah@gmail.com>
Date: Wed, 15 May 2024 00:52:30 +0100
Subject: [PATCH] 20240515

---
 .../extension/CoreServiceUtils.java           |  3 +-
 .../nuts/boot/NWorkspaceCmdLineParser.java    |  1 +
 .../java/net/thevpc/nuts/util/NCreated.java   | 22 ++++++++++---
 .../net/thevpc/nuts/util/NCreatedDto.java     | 31 +++++++++++++++++++
 4 files changed, 51 insertions(+), 6 deletions(-)
 create mode 100644 core/nuts/src/main/java/net/thevpc/nuts/util/NCreatedDto.java

diff --git a/core/nuts-runtime/src/main/java/net/thevpc/nuts/runtime/standalone/extension/CoreServiceUtils.java b/core/nuts-runtime/src/main/java/net/thevpc/nuts/runtime/standalone/extension/CoreServiceUtils.java
index b85a20e77..de9ef4304 100644
--- a/core/nuts-runtime/src/main/java/net/thevpc/nuts/runtime/standalone/extension/CoreServiceUtils.java
+++ b/core/nuts-runtime/src/main/java/net/thevpc/nuts/runtime/standalone/extension/CoreServiceUtils.java
@@ -31,10 +31,9 @@
 import net.thevpc.nuts.runtime.standalone.io.util.ZipUtils;
 import net.thevpc.nuts.runtime.standalone.repository.impl.maven.pom.URLPart;
 import net.thevpc.nuts.runtime.standalone.repository.impl.maven.pom.URLParts;
-import net.thevpc.nuts.runtime.standalone.util.collections.CoreCollectionUtils;
 import net.thevpc.nuts.util.NCollections;
 import net.thevpc.nuts.util.NMsg;
-import sun.misc.URLClassPath;
+
 
 import java.io.*;
 import java.net.URL;
diff --git a/core/nuts/src/main/java/net/thevpc/nuts/boot/NWorkspaceCmdLineParser.java b/core/nuts/src/main/java/net/thevpc/nuts/boot/NWorkspaceCmdLineParser.java
index 7129714ec..020a3b6e5 100644
--- a/core/nuts/src/main/java/net/thevpc/nuts/boot/NWorkspaceCmdLineParser.java
+++ b/core/nuts/src/main/java/net/thevpc/nuts/boot/NWorkspaceCmdLineParser.java
@@ -1425,6 +1425,7 @@ public static NOptional<List<NArg>> nextNutsArgument(NCmdLine cmdLine, NWorkspac
                                 List<NMsg> showError = options.getErrors().orNull();
                                 if (showError == null) {
                                     showError = new ArrayList<>();
+                                    options.setErrors(showError);
                                 }
                                 showError.add(NMsg.ofC("nuts: invalid option %s", a.asString().orNull()));
                             }
diff --git a/core/nuts/src/main/java/net/thevpc/nuts/util/NCreated.java b/core/nuts/src/main/java/net/thevpc/nuts/util/NCreated.java
index 0e11db050..92020f12e 100644
--- a/core/nuts/src/main/java/net/thevpc/nuts/util/NCreated.java
+++ b/core/nuts/src/main/java/net/thevpc/nuts/util/NCreated.java
@@ -1,5 +1,7 @@
 package net.thevpc.nuts.util;
 
+import java.util.function.Function;
+
 public class NCreated<T> {
     private final T value;
     private final boolean newValue;
@@ -10,18 +12,30 @@ public NCreated(T value, boolean newValue) {
     }
 
     public static <T> NCreated<T> ofNew(T item) {
-        return new NCreated<>(item,true);
+        return new NCreated<>(item, true);
     }
 
     public static <T> NCreated<T> ofExisting(T item) {
-        return new NCreated<>(item,false);
+        return new NCreated<>(item, false);
     }
 
-    public T getValue() {
+    public T get() {
         return value;
     }
 
-    public boolean isNewValue() {
+    public boolean isNew() {
         return newValue;
     }
+
+    public boolean isExisting() {
+        return !newValue;
+    }
+
+    public <V> NCreated<V> map(Function<? super T, ? extends V> mapper) {
+        return new NCreated<>(mapper.apply(value), newValue);
+    }
+
+    public NCreatedDto<T> toDto() {
+        return new NCreatedDto<>(value, newValue);
+    }
 }
diff --git a/core/nuts/src/main/java/net/thevpc/nuts/util/NCreatedDto.java b/core/nuts/src/main/java/net/thevpc/nuts/util/NCreatedDto.java
new file mode 100644
index 000000000..89d297ec8
--- /dev/null
+++ b/core/nuts/src/main/java/net/thevpc/nuts/util/NCreatedDto.java
@@ -0,0 +1,31 @@
+package net.thevpc.nuts.util;
+
+import net.thevpc.nuts.NDTO;
+
+import java.util.function.Function;
+
+/**
+ * serializable friendly NCreated
+ * @param <T>
+ */
+public class NCreatedDto<T> implements NDTO {
+    private final T value;
+    private final boolean newValue;
+
+    public NCreatedDto(T value, boolean newValue) {
+        this.value = value;
+        this.newValue = newValue;
+    }
+
+    public T getValue() {
+        return value;
+    }
+
+    public boolean isNewValue() {
+        return newValue;
+    }
+
+    public <V> NCreatedDto<V> map(Function<? super T, ? extends V> mapper) {
+        return new NCreatedDto<>(mapper.apply(value), newValue);
+    }
+}