1 files changed, 40 insertions, 0 deletions
diff --git a/src/java_tools/singlejar/java/com/google/devtools/build/singlejar/PrefixListPathFilter.java b/src/java_tools/singlejar/java/com/google/devtools/build/singlejar/PrefixListPathFilter.java
new file mode 100644
index 0000000000..a6e30d4478
--- /dev/null
+++ b/src/java_tools/singlejar/java/com/google/devtools/build/singlejar/PrefixListPathFilter.java
@@ -0,0 +1,40 @@
+// 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.build.singlejar;
+
+import com.google.devtools.build.singlejar.DefaultJarEntryFilter.PathFilter;
+
+import java.util.List;
+
+/**
+ * A predicate used to filter jar entries according to a list of path prefixes.
+ */
+final class PrefixListPathFilter implements PathFilter {
+  private final List<String> prefixes;
+
+  public PrefixListPathFilter(List<String> prefixes) {
+    this.prefixes = prefixes;
+  }
+
+  @Override
+  public boolean allowed(String path) {
+    for (String prefix : prefixes) {
+      if (path.startsWith(prefix)) {
+        return true;
+      }
+    }
+    return false;
+  }
+}
+\ No newline at end of file