/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.hadoop.hdfs.tools.offlineEditsViewer; import java.io.IOException; import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.classification.InterfaceStability; /** * TokenizerFactory for different implementations of Tokenizer * */ @InterfaceAudience.Private @InterfaceStability.Unstable public class TokenizerFactory { /** * Factory function that creates a Tokenizer object, the input format * is set based on filename (*.xml is XML, otherwise binary) * * @param filename input filename */ static public Tokenizer getTokenizer(String filename) throws IOException { if(filename.toLowerCase().endsWith("xml")) { return new XmlTokenizer(filename); } else { return new BinaryTokenizer(filename); } } }