Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/Calculation.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
5863
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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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.artifacts.model;
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10
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11 import org.w3c.dom.Document;
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12 import org.w3c.dom.Element;
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13
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14 import java.util.List;
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15 import java.util.ArrayList;
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16 import java.util.Arrays;
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17
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18 import java.io.Serializable;
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19
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20 import org.dive4elements.artifacts.CallMeta;
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21
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22 import org.dive4elements.river.artifacts.resources.Resources;
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23
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24 import org.dive4elements.river.utils.Formatter;
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25
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26 /** A calculation that can have result and problems. */
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27 public class Calculation
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28 implements Serializable
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29 {
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30 /** Problem of a calculation.
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31 * Has location and message. */
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32 public static class Problem
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33 implements Serializable
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34 {
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35 protected Double km;
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36 protected String msg;
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37 protected Object [] args;
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38
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39 public Problem() {
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40 }
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41
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42 public Problem(String msg) {
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43 this.msg = msg;
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44 }
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45
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46 public Problem(String msg, Object [] args) {
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47 this.msg = msg;
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48 this.args = args;
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49 }
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50
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51 public Problem(double km, String msg) {
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52 this.km = km;
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53 this.msg = msg;
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54 }
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55
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56 public Problem(double km, String msg, Object [] args) {
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57 this.km = km;
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58 this.msg = msg;
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59 this.args = args;
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60 }
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61
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62 public Element toXML(Document document, CallMeta meta) {
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63 Element problem = document.createElement("problem");
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64 if (km != null) {
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65 problem.setAttribute(
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66 "km",
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67 Formatter.getCalculationKm(meta).format(km));
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68 }
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69 String text = args != null
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70 ? Resources.getMsg(meta, msg, msg, args)
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71 : Resources.getMsg(meta, msg, msg);
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72 problem.setTextContent(text);
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73 return problem;
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74 }
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75
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76 public String getMsg() {
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77 return msg;
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78 }
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79
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80 @Override
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81 public boolean equals(Object other) {
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82 if (!(other instanceof Problem)) {
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83 return false;
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84 }
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85 Problem o = (Problem)other;
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86 return !(!msg.equals(o.msg)
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87 || (km == null && o.km != null)
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88 || (km != null && o.km == null)
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89 || (km != null && !km.equals(o.km))
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90 || !Arrays.equals(args, o.args));
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91 }
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92 } // class Problem
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93
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94 protected List<Problem> problems;
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95
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96 public Calculation() {
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97 }
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98
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99 public Calculation(String msg) {
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100 addProblem(msg);
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101 }
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102
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103 /** New Calculation with error which can be translated given args. */
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104 public Calculation(String msg, Object ... args) {
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105 addProblem(msg, args);
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106 }
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107
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108 protected List<Problem> checkProblems() {
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109 if (problems == null) {
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110 problems = new ArrayList<Problem>();
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111 }
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112 return problems;
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113 }
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114
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115 public void addProblems(Calculation other) {
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116 List<Problem> otherProblems = other.problems;
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117 if (otherProblems != null) {
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118 List<Problem> problems = checkProblems();
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119 for (Problem problem: otherProblems) {
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120 if (!problems.contains(problem)) {
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121 problems.add(problem);
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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
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127 public void addProblem(Problem problem) {
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128 List<Problem> problems = checkProblems();
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129 if (!problems.contains(problem)) {
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130 problems.add(problem);
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131 }
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132 }
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133
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134 public void addProblem(String msg) {
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135 addProblem(new Problem(msg));
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136 }
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137
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138 public void addProblem(String msg, Object ... args) {
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139 addProblem(new Problem(msg, args));
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140 }
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141
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142 public void addProblem(double km, String msg) {
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143 addProblem(new Problem(km, msg));
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144 }
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145
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146 public void addProblem(double km, String msg, Object ... args) {
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147 addProblem(new Problem(km, msg, args));
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148 }
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149
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150 public boolean hasProblems() {
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151 return problems != null && !problems.isEmpty();
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152 }
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153
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154 public int numProblems() {
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155 return problems != null ? problems.size() : 0;
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156 }
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157
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158 public List<Problem> getProblems() {
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159 return problems;
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160 }
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161
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162 public void toXML(Document document, CallMeta meta) {
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163
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164 Element root = document.createElement("problems");
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165
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166 if (hasProblems()) {
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167 for (Problem problem: problems) {
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168 root.appendChild(problem.toXML(document, meta));
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169 }
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170 }
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171
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172 document.appendChild(root);
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173 }
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174 }
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175 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org