Version 0.5.13.1 .

pkg/analyzer_experimental/lib/src/generated/java_io.dart

 library java.io;
 
 import "dart:io";
 
 class JavaSystemIO {
   static Map<String, String> _properties = new Map();
   static String getProperty(String name) {
     {
       String value = _properties[name];
       if (value != null) {
         return value;
       }
     }
     if (name == 'os.name') {
       return Platform.operatingSystem;
     }
     if (name == 'line.separator') {
       if (Platform.operatingSystem == 'windows') {
         return '\r\n';
       }
       return '\n';
     }
     if (name == 'com.google.dart.sdk') {
+      String value = Platform.environment['DART_SDK'];
+      if (value != null) {
+        _properties[name] = value;
+        return value;
+      }
+    }
+    if (name == 'com.google.dart.sdk') {
       String exec = new Options().executable;
       if (exec.length != 0) {
         String sdkPath;
         // may be "xcodebuild/ReleaseIA32/dart" with "dart-sdk" sibling
         {
           sdkPath = new Path(exec).directoryPath.append("dart-sdk").toNativePath();
           if (new Directory(sdkPath).existsSync()) {
             _properties[name] = sdkPath;
             return sdkPath;
           }
@@ skipping 45 matching lines @@
       return true;
     }
     return false;
   }
   bool isDirectory() {
     return _newDirectory().existsSync();
   }
   Uri toURI() => new Uri(path: _path.toString());
   String readAsStringSync() => _newFile().readAsStringSync();
   int lastModified() => _newFile().lastModifiedSync().millisecondsSinceEpoch;
+  List<JavaFile> listFiles() {
+    List<JavaFile> files = [];
+    List<FileSystemEntity> entities = _newDirectory().listSync();
+    for (FileSystemEntity entity in entities) {
+      files.add(new JavaFile(entity.path));
+    }
+    return files;
+  }
   File _newFile() => new File.fromPath(_path);
   Directory _newDirectory() => new Directory.fromPath(_path);
 }