| /* |
| * 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.phoenix.mapreduce; |
| |
| import java.sql.SQLException; |
| import java.util.List; |
| |
| import org.apache.commons.cli.CommandLine; |
| import org.apache.commons.cli.Option; |
| import org.apache.commons.cli.Options; |
| import org.apache.commons.lang.StringEscapeUtils; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapreduce.Job; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.apache.phoenix.util.ColumnInfo; |
| |
| public class CsvBulkLoadTool extends AbstractBulkLoadTool { |
| |
| static final Option DELIMITER_OPT = new Option("d", "delimiter", true, "Input delimiter, defaults to comma"); |
| static final Option QUOTE_OPT = new Option("q", "quote", true, "Supply a custom phrase delimiter, defaults to double quote character"); |
| static final Option ESCAPE_OPT = new Option("e", "escape", true, "Supply a custom escape character, default is a backslash"); |
| static final Option ARRAY_DELIMITER_OPT = new Option("a", "array-delimiter", true, "Array element delimiter (optional)"); |
| static final Option binaryEncodingOption = new Option("b", "binaryEncoding", true, "Specifies binary encoding"); |
| |
| @Override |
| protected Options getOptions() { |
| Options options = super.getOptions(); |
| options.addOption(DELIMITER_OPT); |
| options.addOption(QUOTE_OPT); |
| options.addOption(ESCAPE_OPT); |
| options.addOption(ARRAY_DELIMITER_OPT); |
| options.addOption(binaryEncodingOption); |
| return options; |
| } |
| |
| @Override |
| protected void configureOptions(CommandLine cmdLine, List<ColumnInfo> importColumns, |
| Configuration conf) throws SQLException { |
| |
| // we don't parse ZK_QUORUM_OPT here because we need it in order to |
| // create the connection we need to build importColumns. |
| |
| char delimiterChar = ','; |
| if (cmdLine.hasOption(DELIMITER_OPT.getOpt())) { |
| String delimString = StringEscapeUtils.unescapeJava(cmdLine.getOptionValue(DELIMITER_OPT.getOpt())); |
| if (delimString.length() != 1) { |
| throw new IllegalArgumentException("Illegal delimiter character: " + delimString); |
| } |
| delimiterChar = delimString.charAt(0); |
| } |
| |
| char quoteChar = '"'; |
| if (cmdLine.hasOption(QUOTE_OPT.getOpt())) { |
| String quoteString = cmdLine.getOptionValue(QUOTE_OPT.getOpt()); |
| if (quoteString.length() != 1) { |
| throw new IllegalArgumentException("Illegal quote character: " + quoteString); |
| } |
| quoteChar = quoteString.charAt(0); |
| } |
| |
| char escapeChar = '\\'; |
| if (cmdLine.hasOption(ESCAPE_OPT.getOpt())) { |
| String escapeString = cmdLine.getOptionValue(ESCAPE_OPT.getOpt()); |
| if (escapeString.length() != 1) { |
| throw new IllegalArgumentException("Illegal escape character: " + escapeString); |
| } |
| escapeChar = escapeString.charAt(0); |
| } |
| |
| String binaryEncoding = null; |
| if (cmdLine.hasOption(binaryEncodingOption.getOpt())) { |
| binaryEncoding = cmdLine.getOptionValue(binaryEncodingOption.getOpt()); |
| } |
| |
| CsvBulkImportUtil.initCsvImportJob( |
| conf, |
| delimiterChar, |
| quoteChar, |
| escapeChar, |
| cmdLine.getOptionValue(ARRAY_DELIMITER_OPT.getOpt()), |
| binaryEncoding); |
| } |
| |
| @Override |
| protected void setupJob(Job job) { |
| // Allow overriding the job jar setting by using a -D system property at startup |
| if (job.getJar() == null) { |
| job.setJarByClass(CsvToKeyValueMapper.class); |
| } |
| job.setMapperClass(CsvToKeyValueMapper.class); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| int exitStatus = ToolRunner.run(new CsvBulkLoadTool(), args); |
| System.exit(exitStatus); |
| } |
| } |