| /* |
| * 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.pirk.utils; |
| |
| import org.apache.hadoop.io.Text; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Utils class for CSV value output |
| * <p> |
| * If setting the optional generic String value, can embed a list by encapsulating in quotations: i.e., "thing1,thing2,thing3" |
| * |
| */ |
| public class CSVOutputUtils |
| { |
| public static String EMPTYFIELD = ""; |
| |
| private static final Logger logger = LoggerFactory.getLogger(CSVOutputUtils.class); |
| |
| public static Text setCSVOutput(String domain, String ip, String timestamp) |
| { |
| Text value = new Text(); |
| |
| String csvOut = domain + "," + ip + "," + timestamp; |
| value.set(csvOut); |
| |
| return value; |
| } |
| |
| public static Text setCSVOutput(String domain, String ip, String timestamp, String generic) |
| { |
| Text value = new Text(); |
| |
| String csvOut = domain + "," + ip + "," + timestamp + "," + generic; |
| |
| value.set(csvOut); |
| |
| return value; |
| } |
| |
| public static void setCSVOutput(Text value, String domain, String ip, String timestamp) |
| { |
| String csvOut = domain + "," + ip + "," + timestamp; |
| value.set(csvOut); |
| } |
| |
| public static void setCSVOutput(Text value, String domain, String ip, String timestamp, String generic) |
| { |
| String csvOut = domain + "," + ip + "," + timestamp + "," + generic; |
| |
| value.set(csvOut); |
| } |
| |
| public static String[] extractCSVOutput(Text value) |
| { |
| String csvOut = value.toString(); |
| return csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| } |
| |
| public static String[] extractCSVOutput(String value) |
| { |
| return value.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| } |
| |
| public static void extractCSVOutputIdentity(Text key, Text value, Text input) |
| { |
| String csvOut = input.toString(); |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| key.set(tokens[0]); |
| if (tokens.length > 4) |
| { |
| setCSVOutput(value, tokens[1], tokens[2], tokens[3], tokens[4]); |
| } |
| else |
| { |
| setCSVOutput(value, tokens[1], tokens[2], tokens[3]); |
| } |
| } |
| |
| public static void extractCSVOutputIdentityStripFirstField(Text value, Text input) |
| { |
| String csvOut = input.toString(); |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| if (tokens.length > 4) |
| { |
| setCSVOutput(value, tokens[1], tokens[2], tokens[3], tokens[4]); |
| } |
| else if (tokens.length == 4) |
| { |
| setCSVOutput(value, tokens[1], tokens[2], tokens[3]); |
| } |
| else |
| { |
| logger.info("WARN: tokens.length = " + tokens.length + " != 4 for input = " + csvOut); |
| value.set(input.toString()); |
| } |
| } |
| |
| public static String extractCSVOutputDomain(Text value) |
| { |
| String csvOut = value.toString(); |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| return tokens[0]; |
| } |
| |
| public static String extractCSVOutputIP(Text value) |
| { |
| String csvOut = value.toString(); |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| return tokens[1]; |
| } |
| |
| public static String extractCSVOutputTimestamp(Text value) |
| { |
| String csvOut = value.toString(); |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| return tokens[2]; |
| } |
| |
| /** |
| * Used for testing |
| */ |
| public static String extractCSVOutputByFieldNum(String csvOut, int fieldNum) |
| { |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| return tokens[fieldNum]; |
| } |
| |
| /** |
| * Used for testing -- input is a full csv line: <freq,domain,ip,ts,opt:generic> |
| */ |
| public static String extractCSVOutputLineDomain(String csvOut) |
| { |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| return tokens[1]; |
| } |
| |
| /** |
| * Used for testing -- input is a full csv line: <freq,domain,ip,ts,opt:generic> |
| */ |
| public static String extractCSVOutputLineFreq(String csvOut) |
| { |
| String tokens[] = csvOut.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)", -1); |
| |
| return tokens[0]; |
| } |
| |
| /** |
| * Used for testing |
| */ |
| public static String setFullCSVLine(int frequency, String domain, String ip, String timestamp) |
| { |
| return frequency + "," + domain + "," + ip + "," + timestamp; |
| } |
| |
| /** |
| * Used for testing |
| */ |
| public static String setFullCSVLine(int frequency, String domain, String ip, String timestamp, String generic) |
| { |
| return frequency + "," + domain + "," + ip + "," + timestamp + "," + generic; |
| } |
| |
| /** |
| * Used for testing |
| */ |
| public static String setFullCSVLine(String frequency, String domain, String ip, String timestamp) |
| { |
| return frequency + "," + domain + "," + ip + "," + timestamp; |
| } |
| } |