src/java_tools/singlejar/java/com/google/devtools/build/singlejar/PrefixListPathFilter.java

// Copyright 2014 The Bazel Authors. 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;
  }
}