Java tutorial
/** * 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.lens.regression.util; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.Path; import lombok.extern.slf4j.Slf4j; @Slf4j public class HadoopUtil { private HadoopUtil() { } static String rmIp = Util.getProperty("lens.remote.host"); public static Configuration getHadoopConfiguration() { Configuration conf = new Configuration(); conf.set("fs.hdfs.impl", "org.apache.hadoop.hdfs.DistributedFileSystem"); conf.set("fs.default.name", Util.getProperty("lens.server.hdfsurl")); return conf; } public static void uploadJars(String sourcePath, String hdfsDestinationPath) throws IOException { Configuration conf = HadoopUtil.getHadoopConfiguration(); FileSystem fs = FileSystem.get(conf); Path localFilePath = new Path(sourcePath); Path hdfsFilePath = new Path(hdfsDestinationPath); log.info("Copying " + sourcePath + " to " + hdfsDestinationPath); fs.copyFromLocalFile(localFilePath, hdfsFilePath); log.info("Copied Successfully " + sourcePath + " to " + hdfsDestinationPath); } }