001 /*-----------------------------------------------------------------------
002 * Copyright (C) 2006
003 * Associated Universities, Inc. Washington DC, USA.
004 * This program is free software; you can redistribute it and/or
005 * modify it under the terms of the GNU General Public License as
006 * published by the Free Software Foundation; either version 2 of
007 * the License, or (at your option) any later version.
008 *
009 * This program is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
012 * GNU General Public License for more details.
013 *
014 * Correspondence concerning this software should be addressed as follows:
015 * Internet email: switz@nrao.edu
016 * Postal address: SSS Software
017 * National Radio Astronomy Observatory
018 * Post Office Box 0
019 * Socorro, NM 87801 USA
020 *-----------------------------------------------------------------------*/
021 package edu.nrao.sss.model.parameter;
022
023 import java.util.regex.Pattern;
024
025 public class BatchUpdateLine {
026 public static final Pattern pattern = Pattern.compile(",");
027 private String entity, parameterName, band, value;
028 private String line;
029
030 BatchUpdateLine(String line) {
031 this.line = trim(line);
032 if (!isComment() && numCommas() == 3) {
033 String[] tokens = pattern.split(line);
034 entity = trim(tokens[0]);
035 band = trim(tokens[1]);
036 if (band != null && band.trim().length() == 0)
037 band = null;
038 parameterName = trim(tokens[2]);
039 if (tokens.length == 4)
040 value = trim(tokens[3]);
041 else
042 value = null;
043 } else {
044 entity = parameterName = band = value = null;
045 }
046 }
047
048 public String getBand() {
049 return band;
050 }
051
052 public String getEntity() {
053 return entity;
054 }
055
056 public String getLine() {
057 return line;
058 }
059
060 public String getParameterName() {
061 return parameterName;
062 }
063
064 public String getValue() {
065 return value;
066 }
067
068 public boolean isComment() {
069 return (line == null || line.isEmpty() || line.startsWith("#")) ? true : false;
070 }
071
072 public int numCommas() {
073 return (line == null || line.isEmpty()) ? 0 : line.replaceAll("[^,]", "").length();
074 }
075
076 public String toString() {
077 return line;
078 }
079
080 private String trim(String token) {
081 return (token != null) ? token.trim() : null;
082 }
083 }