| /* |
| * 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 |
| * |
| * https://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.trevni.avro; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.FSDataInputStream; |
| |
| import org.apache.trevni.Input; |
| |
| /** Adapt a Hadoop {@link FSDataInputStream} to Trevni's {@link Input}. */ |
| public class HadoopInput implements Input { |
| private final FSDataInputStream stream; |
| private final long len; |
| |
| /** Construct given a path and a configuration. */ |
| public HadoopInput(Path path, Configuration conf) throws IOException { |
| this.stream = path.getFileSystem(conf).open(path); |
| this.len = path.getFileSystem(conf).getFileStatus(path).getLen(); |
| } |
| |
| @Override |
| public long length() { |
| return len; |
| } |
| |
| @Override |
| public int read(long p, byte[] b, int s, int l) throws IOException { |
| return stream.read(p, b, s, l); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| stream.close(); |
| } |
| } |