heron/common/src/java/com/twitter/heron/common/basics/PackageType.java

// Copyright 2016 Twitter. 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.twitter.heron.common.basics;

/***
 * This enum defines commands topology package type
 */
public enum PackageType {
  PEX,
  JAR,
  TAR;

  public static PackageType getPackageType(String packageFile) {
    int dotIndex = packageFile.lastIndexOf('.');
    String extension = packageFile.substring(dotIndex + 1);
    return PackageType.valueOf(extension.toUpperCase());
  }

}