| // 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.impala.util; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.impala.common.AnalysisException; |
| import org.apache.impala.common.FileSystemUtil; |
| |
| /** |
| * Provides common utilities for ORCSchemeExtractor and ParquetSchemeExtractor. |
| */ |
| public class FileAnalysisUtil { |
| |
| /** |
| * Throws if the given path is not a file. |
| */ |
| public static void CheckIfFile(Path pathToFile) throws AnalysisException { |
| try { |
| if (!FileSystemUtil.isFile(pathToFile)) { |
| throw new AnalysisException("Cannot infer schema, path is not a file: " + |
| pathToFile); |
| } |
| } catch (FileNotFoundException e) { |
| throw new AnalysisException("Cannot infer schema, path does not exist: " + |
| pathToFile); |
| } catch (IOException e) { |
| throw new AnalysisException("Failed to connect to filesystem:" + e); |
| } catch (IllegalArgumentException e) { |
| throw new AnalysisException(e.getMessage()); |
| } |
| } |
| } |