Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/WstWriter.java @ 8202:e4606eae8ea5

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sed src/**/*.java 's/logger/log/g'
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 12:58:17 +0200
parents 7c89a545617a
children 4a6cc7c6716a 0a5239a1e46e
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import java.io.BufferedWriter;
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12 import java.io.OutputStream;
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13 import java.io.OutputStreamWriter;
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14 import java.io.PrintWriter;
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15
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16 import java.util.ArrayList;
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17 import java.util.Collection;
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18 import java.util.HashMap;
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19 import java.util.List;
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20 import java.util.Locale;
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21 import java.util.Map;
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22 import java.util.TreeMap;
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23
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24 import org.apache.log4j.Logger;
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25 import org.apache.commons.lang.StringUtils;
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26
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27 import org.dive4elements.river.artifacts.model.WstLine;
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28
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29
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30 /**
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31 * A writer that creates WSTs.
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32 *
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33 * Wst files follow this basic structure:
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34 *
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35 * HEADER
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36 * Q-LINE
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37 * W-LINES
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38 * Q-LINE
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39 * W-LINES
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40 * ...
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41 *
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42 * where each *LINE consists of X columns that are specified in the header.
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43 *
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44 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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45 */
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46 public class WstWriter {
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47
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48 /** The log used in this class. */
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49 private static Logger log = Logger.getLogger(WstWriter.class);
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50
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51 /** The default unit that is written into the header of the WST. */
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52 public static final String DEFAULT_UNIT = "Wassserstand [NN + m]";
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53
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54 /** The lines that need to be included for the export. */
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55 protected Map<Double, WstLine> lines;
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56
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57 /** The column names. */
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58 protected List<String> columnNames;
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59
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60 /** The locale used to format the values. */
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61 protected Locale locale;
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62
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63 /** The number of discharge columns. */
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64 protected int cols;
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65
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66 /** The last Q values. */
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67 protected double[] qs;
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68
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69 /** Workaround for one use of wrongly imported files: ignore the Qs at
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70 * all. */
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71 protected boolean ignoreQs;
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72
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73 /**
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74 * This constructor creates a new WstWriter with a number of Q columns.
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75 *
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76 * @param columns The number of columns of the resulting WST.
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77 */
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78 public WstWriter(int columns) {
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79 this(columns, false);
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80 }
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81
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82 /**
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83 * This constructor creates a new WstWriter with a number of Q columns.
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84 *
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85 * @param columns The number of columns of the resulting WST.
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86 * @param workaroundIgnoreQs do not write QLines to shadow broken data.
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87 */
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88 public WstWriter(int columns, boolean workaroundIgnoreQs) {
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89 this.cols = columns;
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90 this.columnNames = new ArrayList<String>(cols);
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91 this.lines = new HashMap<Double, WstLine>();
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92 this.qs = new double[cols];
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93 this.locale = Locale.US;
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94 this.ignoreQs = workaroundIgnoreQs;
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95 }
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96
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97
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98 /**
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99 * This method is used to create the WST from the data that has been
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100 * inserted using add(double[]) before.
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101 * @param out Where to write to.
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102 */
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103 public void write(OutputStream out) {
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104 log.info("WstWriter.write");
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105
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106 PrintWriter writer = new PrintWriter(
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107 new BufferedWriter(
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108 new OutputStreamWriter(out)));
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109
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110 this.qs = new double[cols];
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111
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112 writeHeader(writer);
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113
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114 Collection<WstLine> collection = new TreeMap(lines).values();
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115
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116 for (WstLine line: collection) {
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117 writeWLine(writer, line);
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118 }
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119
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120 writer.flush();
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121 writer.close();
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122 }
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123
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124
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125 /**
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126 * This method is used to add a new line to the WST.
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127 *
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128 * @param wqkms A 3dim double array with [W, Q, KM].
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129 */
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130 public void add(double[] wqkms) {
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131 Double km = wqkms[2];
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132
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133 WstLine line = lines.get(km);
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134
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135 if (line == null) {
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136 line = new WstLine(km.doubleValue());
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137 lines.put(km, line);
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138 }
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139
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140 line.add(wqkms[0], wqkms[1]);
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141 }
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142
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143
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144 public void addCorrected(double[] wqckms) {
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145 Double km = wqckms[2];
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146
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147 WstLine line = lines.get(km);
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148
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149 if (line == null) {
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150 line = new WstLine(km.doubleValue());
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151 lines.put(km, line);
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152 }
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153
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154 line.add(wqckms[3], wqckms[1]);
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155 }
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156
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157
446
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158 /**
447
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159 * Adds a further column name.
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160 *
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161 * @param name The name of the new column.
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162 */
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parents: 446
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163 public void addColumn(String name) {
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164 if (name != null) {
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165 cols++;
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166
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197bd0958cba (issue1620) Fix WstWriter Column Header format.
Andre Heinecke <aheinecke@intevation.de>
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167 int i = 0;
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168 String basename = name;
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169 while (columnNames.contains(name)) {
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170 name = basename + "_" + i++;
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171 }
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172
447
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173 columnNames.add(name);
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174 }
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175 }
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176
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177
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178 /**
446
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179 * This method writes the header of the WST.
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180 *
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181 * @param writer The PrintWriter that creates the output.
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182 */
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183 protected void writeHeader(PrintWriter writer) {
8202
e4606eae8ea5 sed src/**/*.java 's/logger/log/g'
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184 log.debug("WstWriter.writeHeader");
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185
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186 writer.println(cols);
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187
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188 writer.print("*!column-bez-text ");
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189
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190 List<String> quotedNames = new ArrayList<String>(columnNames.size());
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191
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192 for (String name: columnNames) {
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193 if (name.contains(" ")) {
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194 name = '"' + name + '"';
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195 }
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196 quotedNames.add(name);
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197 }
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198 writer.println(StringUtils.join(quotedNames, " "));
447
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199 writer.print(" ");
446
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200
7654
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201 for (String columnName: columnNames) {
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202 if (columnName.length() > 9) {
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203 writer.printf(locale, "%9s",
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204 columnName.substring(columnName.length() - 9));
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205 } else {
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206 writer.printf(locale, "%9s", columnName);
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207 // This is weird but i was to lazy to lookup
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208 // how to do this another way.
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209 for (int i = 9 - columnName.length(); i > 0; i--) {
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210 writer.print(" ");
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211 }
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212 }
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213 }
447
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214
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diff changeset
215 writer.println();
446
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216
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diff changeset
217 writer.write("* KM ");
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218 writer.write(DEFAULT_UNIT);
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219 writer.println();
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220 }
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221
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222
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223 /**
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224 * This method writes a line with W values and a certain kilometer.
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225 *
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226 * @param writer The PrintWriter that is used to create the output.
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227 * @param line The WstLine that should be written to the output.
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228 */
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229 protected void writeWLine(PrintWriter writer, WstLine line) {
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230 double km = line.getKm();
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parents:
diff changeset
231 double[] qs = line.getQs();
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diff changeset
232 int num = line.getSize();
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233
7658
4fb5e89e7bd3 issue1020: WstWriter: Add flag to ignore Qs alltogether.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7656
diff changeset
234 if (!ignoreQs && dischargesChanged(qs)) {
446
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parents:
diff changeset
235 writeQLine(writer, qs);
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236 }
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237
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diff changeset
238 writer.printf(locale, "%8.3f", km);
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239
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diff changeset
240 for (int i = 0; i < num; i++) {
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parents:
diff changeset
241 writer.printf(locale, "%9.2f", line.getW(i));
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242 }
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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243
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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parents:
diff changeset
244 writer.println();
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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parents:
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245 }
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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246
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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247
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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248 /**
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249 * Writes a discharge line (Q values) into a WST.
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250 *
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251 * @param qs the Q values for the next range.
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252 */
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253 protected void writeQLine(PrintWriter writer, double[] qs) {
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254 writer.write("*\u001f ");
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255
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72bcbc308501 The WST export contains the corrected W values now.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 447
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256 for (int i = 0; i < qs.length; i++) {
446
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257 this.qs[i] = qs[i];
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258
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259 writer.printf(locale, "%9.2f", qs[i]);
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260 }
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261
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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262 writer.println();
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263 }
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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264
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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265
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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266 /**
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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267 * This method determines if a Q has changed from the last line to the
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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268 * current one.
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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269 *
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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270 * @param newQs The Q values of the next line.
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271 *
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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272 * @return true, if a Q value have changed, otherwise false.
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273 */
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274 protected boolean dischargesChanged(double[] newQs) {
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275 // XXX maybe there is a way to do this faster
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276 for (int i = 0; i < cols && i < qs.length && i < newQs.length; i++) {
446
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277 if (Math.abs(newQs[i] - qs[i]) >= 0.001) {
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278 return true;
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279 }
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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280 }
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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281
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282 return false;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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283 }
7604
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284
05549a84ee83 (issue1620) Add export of official lines in WST as specified
Andre Heinecke <aheinecke@intevation.de>
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285 /**
05549a84ee83 (issue1620) Add export of official lines in WST as specified
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286 * Get the lines that have alreay been added to this writer
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287 * lines are a map with km as the key and a wstline as value.
ad5238e3e736 Cosmetics of WstWriter. Actually, a decent class now.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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288 */
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289 public Map<Double, WstLine> getLines() {
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290 return lines;
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291 }
446
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292 }
c0bec245f608 Implemented writer that creates WSTs and enabled the WaterlevelExporter to create those.
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293 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org