Import analysis_services.dart into analysis_server.dart.

pkg/analysis_services/lib/src/refactoring/rename_import.dart

-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library services.src.refactoring.rename_import;
-
-import 'dart:async';
-
-import 'package:analysis_services/correction/change.dart';
-import 'package:analysis_services/correction/status.dart';
-import 'package:analysis_services/refactoring/refactoring.dart';
-import 'package:analysis_services/search/search_engine.dart';
-import 'package:analysis_services/src/correction/source_range.dart';
-import 'package:analysis_services/src/refactoring/naming_conventions.dart';
-import 'package:analysis_services/src/refactoring/rename.dart';
-import 'package:analyzer/src/generated/element.dart';
-import 'package:analyzer/src/generated/source.dart';
-
-
-/**
- * A [Refactoring] for renaming [ImportElement]s.
- */
-class RenameImportRefactoringImpl extends RenameRefactoringImpl {
-  RenameImportRefactoringImpl(SearchEngine searchEngine, ImportElement element)
-      : super(searchEngine, element);
-
-  @override
-  ImportElement get element => super.element as ImportElement;
-
-  @override
-  String get refactoringName {
-    return "Rename Import Prefix";
-  }
-
-  @override
-  Future<RefactoringStatus> checkFinalConditions() {
-    RefactoringStatus result = new RefactoringStatus();
-    return new Future.value(result);
-  }
-
-  @override
-  RefactoringStatus checkNewName() {
-    RefactoringStatus result = super.checkNewName();
-    result.addStatus(validateImportPrefixName(newName));
-    return result;
-  }
-
-  @override
-  Future<Change> createChange() {
-    Change change = new Change(refactoringName);
-    // update declaration
-    {
-      String file = getElementFile(element);
-      PrefixElement prefix = element.prefix;
-      Edit edit = null;
-      if (newName.isEmpty) {
-        int uriEnd = element.uriEnd;
-        int prefixEnd = element.prefixOffset + prefix.displayName.length;
-        SourceRange range = rangeStartEnd(uriEnd, prefixEnd);
-        edit = new Edit.range(range, "");
-      } else {
-        if (prefix == null) {
-          SourceRange range = rangeStartLength(element.uriEnd, 0);
-          edit = new Edit.range(range, " as ${newName}");
-        } else {
-          int offset = element.prefixOffset;
-          int length = prefix.displayName.length;
-          SourceRange range = rangeStartLength(offset, length);
-          edit = new Edit.range(range, newName);
-        }
-      }
-      if (edit != null) {
-        change.addEdit(file, edit);
-      }
-    }
-    // update references
-    return searchEngine.searchReferences(element).then((refMatches) {
-      List<SourceReference> references = getSourceReferences(refMatches);
-      for (SourceReference reference in references) {
-        Edit edit;
-        if (newName.isEmpty) {
-          edit = createReferenceEdit(reference, newName);
-        } else {
-          edit = createReferenceEdit(reference, "${newName}.");
-        }
-        change.addEdit(reference.file, edit);
-      }
-      return change;
-    });
-  }
-}