auto import from //depot/cupcake/@135843

tools/idegen/src/Excludes.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * 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.
+ */
+
+import java.util.regex.Pattern;
+import java.util.List;
+
+/**
+ * Decides whether or not to exclude certain paths.
+ */
+public class Excludes {
+
+    private final List<Pattern> patterns;
+
+    /**
+     * Constructs a set of excludes matching the given patterns.
+     */
+    public Excludes(List<Pattern> patterns) {
+        this.patterns = patterns;
+    }
+
+    /**
+     * Returns true if the given path should be excluded.
+     */
+    public boolean exclude(String path) {
+        for (Pattern pattern : patterns) {
+            if (pattern.matcher(path).find()) {
+                return true;
+            }
+        }
+        return false;
+    }
+}