Issue 17024. Quick Fix to find imported library.

pkg/analysis_server/lib/src/services/correction/fix_internal.dart

Index: pkg/analysis_server/lib/src/services/correction/fix_internal.dart
diff --git a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
index e8e3350b2a77c2aa5241262e3186491610ed5c7a..9fed0c4c76535f7bd4ff725486a588f658860044 100644
--- a/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
+++ b/pkg/analysis_server/lib/src/services/correction/fix_internal.dart
@@ -130,6 +130,9 @@ class FixProcessor {
         CompileTimeErrorCode.UNDEFINED_CONSTRUCTOR_IN_INITIALIZER_DEFAULT) {
       _addFix_createConstructorSuperExplicit();
     }
+    if (errorCode == CompileTimeErrorCode.URI_DOES_NOT_EXIST) {
+      _addFix_replaceImportUri();
+    }
     if (errorCode == HintCode.DIVISION_OPTIMIZATION) {
       _addFix_useEffectiveIntegerDivision();
     }
@@ -970,6 +973,33 @@ class FixProcessor {
     _addFix(FixKind.REMOVE_UNUSED_IMPORT, []);
   }
 
+  void _addFix_replaceImportUri() {
+    if (node is SimpleStringLiteral) {
+      SimpleStringLiteral stringLiteral = node;
+      String uri = stringLiteral.value;
+      String uriName = substringAfterLast(uri, '/');
+      AnalysisContext context = unitLibraryElement.context;
+      for (Source libSource in context.librarySources) {
+        String libFile = libSource.fullName;
+        if (substringAfterLast(libFile, '/') == uriName) {
+          String fixedUri;
+          // may be "package:" URI
+          String libPackageUri = _findPackageUri(context, libFile);
+          if (libPackageUri != null) {
+            fixedUri = libPackageUri;
+          } else {
+            String relativeFile = relative(libFile, from: unitLibraryFolder);
+            fixedUri = split(relativeFile).join('/');
+          }
+          // add fix
+          SourceRange range = rf.rangeNode(node);
+          _addReplaceEdit(range, "'$fixedUri'");
+          _addFix(FixKind.REPLACE_IMPORT_URI, [fixedUri]);
+        }
+      }
+    }
+  }
+
   void _addFix_replaceWithConstInstanceCreation() {
     if (coveredNode is InstanceCreationExpression) {
       var instanceCreation = coveredNode as InstanceCreationExpression;
@@ -1819,7 +1849,6 @@ class FixProcessor {
    * Returns the "package" URI, may be `null`.
    */
   static String _findPackageUri(AnalysisContext context, String path) {
-//    Source fileSource = new FileBasedSource.con1(path);
     Source fileSource = new NonExistingSource(path, UriKind.FILE_URI);
     Uri uri = context.sourceFactory.restoreUri(fileSource);
     if (uri == null) {