Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Calculation.java @ 4128:11c589d68f13

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Fix for NPE in FLYSWorkspace.bringUp() #933
author Christian Lins <christian.lins@intevation.de>
date Sun, 14 Oct 2012 10:15:50 +0200
parents 3f24865082da
children f46caf95ab7f
rev   line source
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1 package de.intevation.flys.artifacts.model;
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2
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3 import org.w3c.dom.Document;
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4 import org.w3c.dom.Element;
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5
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6 import java.util.List;
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7 import java.util.ArrayList;
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8 import java.util.Arrays;
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9
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10 import java.io.Serializable;
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11
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12 import de.intevation.artifacts.CallMeta;
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13
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14 import de.intevation.flys.artifacts.resources.Resources;
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15
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16 import de.intevation.flys.utils.Formatter;
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17
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18 public class Calculation
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19 implements Serializable
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20 {
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21 public static class Problem
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22 implements Serializable
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23 {
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24 protected Double km;
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25 protected String msg;
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26 protected Object [] args;
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27
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28 public Problem() {
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29 }
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30
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31 public Problem(String msg) {
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32 this.msg = msg;
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33 }
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34
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35 public Problem(String msg, Object [] args) {
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36 this.msg = msg;
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37 this.args = args;
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38 }
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39
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40 public Problem(double km, String msg) {
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41 this.km = km;
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42 this.msg = msg;
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43 }
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44
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45 public Problem(double km, String msg, Object [] args) {
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46 this.km = km;
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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 Element toXML(Document document, CallMeta meta) {
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52 Element problem = document.createElement("problem");
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53 if (km != null) {
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54 problem.setAttribute(
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55 "km",
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56 Formatter.getCalculationKm(meta).format(km));
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57 }
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58 String text = args != null
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59 ? Resources.getMsg(meta, msg, msg, args)
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60 : Resources.getMsg(meta, msg, msg);
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61 problem.setTextContent(text);
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62 return problem;
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63 }
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64
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65 @Override
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66 public boolean equals(Object other) {
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67 if (!(other instanceof Problem)) {
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68 return false;
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69 }
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70 Problem o = (Problem)other;
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71 return !(!msg.equals(o.msg)
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72 || (km == null && o.km != null)
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73 || (km != null && o.km == null)
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74 || (km != null && !km.equals(o.km))
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75 || !Arrays.equals(args, o.args));
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76 }
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77 } // class Problem
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78
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79 protected List<Problem> problems;
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80
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81 public Calculation() {
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82 }
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83
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84 public Calculation(String msg) {
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85 addProblem(msg);
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86 }
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87
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88 protected List<Problem> checkProblems() {
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89 if (problems == null) {
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90 problems = new ArrayList<Problem>();
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91 }
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92 return problems;
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93 }
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94
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95 public void addProblems(Calculation other) {
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96 List<Problem> otherProblems = other.problems;
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97 if (otherProblems != null) {
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98 List<Problem> problems = checkProblems();
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99 for (Problem problem: otherProblems) {
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100 if (!problems.contains(problem)) {
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101 problems.add(problem);
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102 }
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103 }
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104 }
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105 }
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106
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107 public void addProblem(Problem problem) {
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108 List<Problem> problems = checkProblems();
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109 if (!problems.contains(problem)) {
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110 problems.add(problem);
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111 }
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112 }
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113
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114 public void addProblem(String msg) {
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115 addProblem(new Problem(msg));
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116 }
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117
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118 public void addProblem(String msg, Object ... args) {
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119 addProblem(new Problem(msg, args));
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120 }
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121
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122 public void addProblem(double km, String msg) {
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123 addProblem(new Problem(km, msg));
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124 }
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125
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126 public void addProblem(double km, String msg, Object ... args) {
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127 addProblem(new Problem(km, msg, args));
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128 }
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129
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130 public boolean hasProblems() {
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131 return problems != null && !problems.isEmpty();
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132 }
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133
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134 public int numProblems() {
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135 return problems != null ? problems.size() : 0;
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136 }
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137
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138 public List<Problem> getProblems() {
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139 return problems;
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140 }
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141
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142 public void toXML(Document document, CallMeta meta) {
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143
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144 Element root = document.createElement("problems");
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145
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146 if (hasProblems()) {
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147 for (Problem problem: problems) {
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148 root.appendChild(problem.toXML(document, meta));
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149 }
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150 }
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151
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152 document.appendChild(root);
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153 }
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154 }
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155 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org