From 01503a84d9ec248db1cc859cff22e27af2318813 Mon Sep 17 00:00:00 2001
From: Denis Zharkov <denis.zharkov@jetbrains.com>
Date: Fri, 20 Jul 2018 17:23:57 +0300
Subject: [PATCH] Partially revert 79e776e9d7e5d9c015cab98a07a7e113bce78766

---
 .../kotlin/psi/KtImportsFactory.java          | 63 +++++++++++++++++++
 .../org/jetbrains/kotlin/psi/KtPsiFactory.kt  | 13 ++++
 2 files changed, 76 insertions(+)
 create mode 100644 compiler/psi/src/org/jetbrains/kotlin/psi/KtImportsFactory.java

diff --git a/compiler/psi/src/org/jetbrains/kotlin/psi/KtImportsFactory.java b/compiler/psi/src/org/jetbrains/kotlin/psi/KtImportsFactory.java
new file mode 100644
index 00000000000..1ca4bb0483b
--- /dev/null
+++ b/compiler/psi/src/org/jetbrains/kotlin/psi/KtImportsFactory.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.psi;
+
+import com.intellij.openapi.project.Project;
+import kotlin.collections.CollectionsKt;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.kotlin.resolve.ImportPath;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @deprecated This class is not used in the kotlin plugin/compiler and will be removed soon
+ */
+@Deprecated
+public class KtImportsFactory {
+    @NotNull private final Project project;
+
+    private final Map<ImportPath, KtImportDirective> importsCache = new HashMap<>();
+
+    public KtImportsFactory(@NotNull Project project) {
+        this.project = project;
+    }
+
+    @NotNull
+    private KtImportDirective createImportDirective(@NotNull ImportPath importPath) {
+        KtImportDirective directive = importsCache.get(importPath);
+        if (directive != null) {
+            return directive;
+        }
+
+        KtImportDirective createdDirective = KtPsiFactoryKt.KtPsiFactory(project, false).createImportDirective(importPath);
+        importsCache.put(importPath, createdDirective);
+
+        return createdDirective;
+    }
+
+    @NotNull
+    public Collection<KtImportDirective> createImportDirectives(@NotNull Collection<ImportPath> importPaths) {
+        return CollectionsKt.map(importPaths, this::createImportDirective);
+    }
+
+    @NotNull
+    public Collection<KtImportDirective> createImportDirectivesNotCached(@NotNull Collection<ImportPath> importPaths) {
+        return KtPsiFactoryKt.KtPsiFactory(project, false).createImportDirectives(importPaths);
+    }
+}
diff --git a/compiler/psi/src/org/jetbrains/kotlin/psi/KtPsiFactory.kt b/compiler/psi/src/org/jetbrains/kotlin/psi/KtPsiFactory.kt
index fd240126c61..13da8534d8e 100644
--- a/compiler/psi/src/org/jetbrains/kotlin/psi/KtPsiFactory.kt
+++ b/compiler/psi/src/org/jetbrains/kotlin/psi/KtPsiFactory.kt
@@ -437,6 +437,19 @@ class KtPsiFactory @JvmOverloads constructor(private val project: Project, val m
         }
     }
 
+    @Deprecated("function is not used in the kotlin plugin/compiler and will be removed soon")
+    fun createImportDirectives(paths: Collection<ImportPath>): List<KtImportDirective> {
+        val fileContent = buildString {
+            for (path in paths) {
+                appendImport(path)
+                append('\n')
+            }
+        }
+
+        val file = createFile(fileContent)
+        return file.importDirectives
+    }
+
     fun createPrimaryConstructor(text: String = ""): KtPrimaryConstructor {
         return createClass(if (text.isNotEmpty()) "class A $text" else "class A()").primaryConstructor!!
     }