Factory provider interface

src/main/java/org/cqfn/astranaut/core/base/FactoryProvider.java

@@ -0,0 +1,39 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2024 Ivan Kniazkov
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.cqfn.astranaut.core.base;
+
+/**
+ * Provider interface for obtaining {@link Factory} instances based on specific criteria.
+ * @since 2.0.0
+ */
+public interface FactoryProvider {
+    /**
+     * Retrieves a {@link Factory} instance associated with the specified language.
+     * @param language The name of the language for which a {@link Factory} is requested,
+     *  e.g., "Java", "Python", "JavaScript". It should be a non-null and non-empty string.
+     * @return The {@link Factory} instance associated with the specified language,
+     *  or {@code null} if no matching factory is found
+     */
+    Factory getFactory(String language);
+}

src/main/java/org/cqfn/astranaut/core/utils/JsonDeserializer.java

@@ -26,7 +26,7 @@
 import com.kniazkov.json.Json;
 import com.kniazkov.json.JsonException;
 import org.cqfn.astranaut.core.base.EmptyTree;
-import org.cqfn.astranaut.core.base.Factory;
+import org.cqfn.astranaut.core.base.FactoryProvider;
 import org.cqfn.astranaut.core.base.Tree;
 import org.cqfn.astranaut.core.utils.deserializer.TreeDescriptor;
 
@@ -42,18 +42,18 @@ public final class JsonDeserializer {
     private final String source;
 
     /**
-     * The factory selector.
+     * The factory provider.
      */
-    private final FactorySelector selector;
+    private final FactoryProvider provider;
 
     /**
      * Constructor.
      * @param source String that contains JSON object
-     * @param selector The factory selector
+     * @param provider The factory provider
      */
-    public JsonDeserializer(final String source, final FactorySelector selector) {
+    public JsonDeserializer(final String source, final FactoryProvider provider) {
         this.source = source;
-        this.selector = selector;
+        this.provider = provider;
     }
 
     /**
@@ -65,26 +65,10 @@ public Tree convert() {
         try {
             final TreeDescriptor tree = Json.parse(this.source, TreeDescriptor.class);
             if (tree != null) {
-                result = tree.convert(this.selector);
+                result = tree.convert(this.provider);
             }
         } catch (final JsonException ignored) {
         }
         return result;
     }
-
-    /**
-     * Interface for factories selection that selects a suitable factory
-     * for the specified programming language.
-     * In other words, it's a factory of factories.
-     *
-     * @since 1.0.2
-     */
-    public interface FactorySelector {
-        /**
-         * Selects a suitable factory for the specified programming language.
-         * @param language The language name
-         * @return A suitable factory
-         */
-        Factory select(String language);
-    }
 }

src/main/java/org/cqfn/astranaut/core/utils/deserializer/TreeDescriptor.java

@@ -30,9 +30,9 @@
 import org.cqfn.astranaut.core.base.DiffTree;
 import org.cqfn.astranaut.core.base.EmptyTree;
 import org.cqfn.astranaut.core.base.Factory;
+import org.cqfn.astranaut.core.base.FactoryProvider;
 import org.cqfn.astranaut.core.base.Node;
 import org.cqfn.astranaut.core.base.Tree;
-import org.cqfn.astranaut.core.utils.JsonDeserializer;
 
 /**
  * Tree descriptor represented as it is stored in the JSON file.
@@ -52,12 +52,12 @@ public class TreeDescriptor {
 
     /**
      * Converts tree into node.
-     * @param selector The node factory selector
+     * @param provider The node factory provider
      * @return A root node
      */
-    public Tree convert(final JsonDeserializer.FactorySelector selector) {
+    public Tree convert(final FactoryProvider provider) {
         Tree result = EmptyTree.INSTANCE;
-        final Factory factory = selector.select(this.language);
+        final Factory factory = provider.getFactory(this.language);
         do {
             if (factory == null) {
                 break;