1 files changed, 29 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/common/options/OptionsClassProvider.java b/src/main/java/com/google/devtools/common/options/OptionsClassProvider.java
new file mode 100644
index 0000000000..1868e23985
--- /dev/null
+++ b/src/main/java/com/google/devtools/common/options/OptionsClassProvider.java
@@ -0,0 +1,29 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// 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 com.google.devtools.common.options;
+
+/**
+ * A read-only interface for options parser results, which only allows to query the options of
+ * a specific class, but not e.g. the residue any other information pertaining to the command line.
+ */
+public interface OptionsClassProvider {
+  /**
+   * Returns the options instance for the given {@code optionsClass}, that is,
+   * the parsed options, or null if it is not among those available.
+   *
+   * <p>The returned options should be treated by library code as immutable and
+   * a provider is permitted to return the same options instance multiple times.
+   */
+  <O extends OptionsBase> O getOptions(Class<O> optionsClass);
+}