replaced util.copy package with object-copier

Author: clausnagel

build.gradle

@@ -9,7 +9,7 @@ plugins {
 }
 
 group = 'org.xmlobjects'
-version = '1.4.0'
+version = '2.0.0-SNAPSHOT'
 description = 'A simple and lightweight XML-to-object mapping library'
 ext.date = new Date()
 
@@ -33,12 +33,16 @@ repositories {
 }
 
 dependencies {
+    api 'org.xmlobjects:object-copier:1.0.0-SNAPSHOT'
     api 'org.glassfish.jaxb:xsom:4.0.7'
     api 'org.xmlobjects:classindex:3.13.1'
     annotationProcessor 'org.xmlobjects:classindex:3.13.1'
 }
 
 javadoc {
+    def name = project.name
+    def version = project.version
+
     options {
         overview = "$projectDir/build/tmp/javadoc/overview.html"
         header = "$project.name $project.version"

src/main/java/module-info.java

@@ -1,4 +1,5 @@
 module org.xmlobjects {
+    requires transitive org.xmlobjects.copy;
     requires transitive java.xml;
     requires transitive com.sun.xml.xsom;
     requires transitive org.xmlobjects.classindex;
@@ -12,7 +13,6 @@
     exports org.xmlobjects.stream;
     exports org.xmlobjects.util;
     exports org.xmlobjects.util.composite;
-    exports org.xmlobjects.util.copy;
     exports org.xmlobjects.util.xml;
     exports org.xmlobjects.xml;
 }

src/main/java/org/xmlobjects/model/Child.java

@@ -5,7 +5,11 @@
 
 package org.xmlobjects.model;
 
-public interface Child {
+import org.xmlobjects.copy.CopyCallback;
+import org.xmlobjects.copy.CopyContext;
+import org.xmlobjects.copy.CopyMode;
+
+public interface Child extends CopyCallback {
     Child getParent();
 
     void setParent(Child parent);
@@ -20,4 +24,19 @@ default <T extends Child> T getParent(Class<T> type) {
 
         return null;
     }
+
+    @Override
+    default void preCopy(CopyContext context, CopyMode mode, boolean isRoot) {
+        Child parent = getParent();
+        if (parent != null) {
+            context.withCloneIfAbsent(parent, parent);
+        }
+    }
+
+    @Override
+    default void postCopy(CopyContext context, CopyMode mode, boolean isRoot) {
+        if (isRoot) {
+            setParent(null);
+        }
+    }
 }

src/main/java/org/xmlobjects/model/ChildList.java

@@ -5,11 +5,15 @@
 
 package org.xmlobjects.model;
 
+import org.xmlobjects.copy.CopyContext;
+import org.xmlobjects.copy.CopyMode;
+import org.xmlobjects.copy.Copyable;
+
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.function.UnaryOperator;
 
-public class ChildList<T extends Child> extends ArrayList<T> {
+public class ChildList<T extends Child> extends ArrayList<T> implements Copyable<ChildList<T>> {
     private Child parent;
 
     public ChildList(Child parent) {
@@ -85,4 +89,24 @@ private void applyParent(Collection<? extends T> c) {
             }
         }
     }
+
+    @Override
+    public ChildList<T> newInstance(CopyMode mode, CopyContext context) {
+        return new ChildList<>(size(), switch (mode) {
+            case SHALLOW -> getParent();
+            case DEEP -> context.deepCopy(getParent());
+        });
+    }
+
+    @Override
+    public void shallowCopyTo(ChildList<T> dest, CopyContext context) {
+        dest.addAll(this);
+    }
+
+    @Override
+    public void deepCopyTo(ChildList<T> dest, CopyContext context) {
+        for (T element : this) {
+            dest.add(context.deepCopy(element));
+        }
+    }
 }