Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/states/MinMaxState.java @ 5867:59ff03ff48f1

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River artifacts: Renamed FLYSArtifact(Collection) to D4EArtifact(Collection).
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 15:23:01 +0200
parents 4897a58c8746
children af13ceeba52a
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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3 *
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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4 * This file is Free Software under the GNU AGPL (>=v3)
4897a58c8746 River artifacts: Added new copyright headers.
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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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.states;
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10
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11 import org.w3c.dom.Element;
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12
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13 import org.apache.log4j.Logger;
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14
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15 import org.dive4elements.artifacts.Artifact;
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16 import org.dive4elements.artifacts.CallContext;
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17
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18 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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19 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator;
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20
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21 import org.dive4elements.artifactdatabase.ProtocolUtils;
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22
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59ff03ff48f1 River artifacts: Renamed FLYSArtifact(Collection) to D4EArtifact(Collection).
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23 import org.dive4elements.river.artifacts.D4EArtifact;
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24
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25
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26 /**
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27 * State that holds minimun and maximum (for validation).
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28 *
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29 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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30 */
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31 public abstract class MinMaxState extends DefaultState {
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32
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33 private static final Logger logger = Logger.getLogger(MinMaxState.class);
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34
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35 @Override
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36 protected void appendItems(
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37 Artifact artifact,
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38 ElementCreator creator,
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39 String name,
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40 CallContext context,
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41 Element select
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42 ) {
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59ff03ff48f1 River artifacts: Renamed FLYSArtifact(Collection) to D4EArtifact(Collection).
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43 D4EArtifact flys = (D4EArtifact) artifact;
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44
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45 select.setAttributeNS(
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46 ArtifactNamespaceContext.NAMESPACE_URI,
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47 "art:type",
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48 getType());
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49
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50 String[] defMinMax = getDefaults(artifact, name);
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51
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52 Element min = ProtocolUtils.createArtNode(
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53 creator,
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54 "min",
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55 new String[] { "value", "default" },
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56 new String[] { String.valueOf(getLower(flys)), defMinMax[0] });
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57
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58 Element max = ProtocolUtils.createArtNode(
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59 creator,
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60 "max",
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61 new String[] { "value", "default" },
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62 new String[] { String.valueOf(getUpper(flys)), defMinMax[1] });
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63
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64 select.appendChild(min);
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65 select.appendChild(max);
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66 }
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67
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68
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69 /**
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70 * @param cc
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71 * @param name
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72 * @param value
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73 * @param type
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74 *
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75 * @return
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76 */
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77 @Override
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78 protected String getLabelFor(
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79 CallContext cc,
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80 String name,
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81 String value,
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82 String type
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83 ) {
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84 if (type.indexOf("range") > 0) {
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85 String[] minmax = extractRangeAsString(value);
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86
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87 if (minmax != null) {
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88 return minmax[0] + " - " + minmax[1];
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89 }
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90 }
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91
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92 return super.getLabelFor(cc, name, value, type);
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93 }
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94
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95
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96 /**
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97 * Returns a string array with [min,max] from <i>rawValue</i>.
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98 * <i>rawValue</i> should be a string like "1999;2001".
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99 *
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100 * @param rawValue A string with min and max separated by a ';'.
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101 *
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102 * @return the min and max as string array ([min,max]).
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103 */
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104 protected String[] extractRangeAsString(String rawValue) {
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105 return rawValue.split(";");
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106 }
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107
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108
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109 /**
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110 * This method returns the default values for min and max. If the static
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111 * field DefaultState.USE_DEFAULTS is set, the minimum and maximum inserted
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112 * by the user is returned as string. Otherwise, the absolute minimum and
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113 * maximum are returned.
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114 *
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115 * @param artifact The D4EArtifact.
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116 * @param name The name of the parameter.
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117 *
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118 * @return a string array [min,max] that contains the minimum and maximum
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119 * values for the parameter <i>name</i>.
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120 */
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121 protected String[] getDefaults(Artifact artifact, String name) {
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122 if (DefaultState.USE_DEFAULTS) {
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123 String[] tmp = getMinMaxByParameter(artifact, name);
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124
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125 return tmp != null ? tmp : getMinMaxDefaults(artifact, name);
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126 }
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127 else {
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128 return getMinMaxDefaults(artifact, name);
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129 }
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130 }
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131
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132
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133 /**
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134 * Returns a string array with minimum and maximum inserted by the user as
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135 * [min,max].
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136 *
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137 * @param artifact The D4EArtifact that stores the parameter.
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138 * @param name The name of the parameter for raw min/max value string.
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139 *
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140 * @return a string array [min,max].
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141 */
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142 protected String[] getMinMaxByParameter(Artifact artifact, String name) {
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143 D4EArtifact flys = (D4EArtifact) artifact;
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144 String rawValue = flys.getDataAsString(name);
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145
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146 if (rawValue == null) {
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147 logger.debug("No value for '" + rawValue + "' existing.");
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148 return null;
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149 }
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150
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151 logger.debug("Raw value for '" + name + "' = " + rawValue);
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152
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153 return extractRangeAsString(rawValue);
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154 }
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155
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156
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157 /**
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158 * Returns a string array with absolute minimum and maximum as [min,max].
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159 *
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160 * @param artifact The D4EArtifact (not used in this implementation).
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161 * @param name The parameter name (not used in this implementation).
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162 *
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163 * @return a string array [min,max].
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164 */
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165 protected String[] getMinMaxDefaults(Artifact artifact, String name) {
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166 D4EArtifact flys = (D4EArtifact) artifact;
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167
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168 Object lower = getLower(flys);
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169 Object upper = getUpper(flys);
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170
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171 return new String[] { String.valueOf(lower), String.valueOf(upper) };
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172 }
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173
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174
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175 protected abstract Object getLower(D4EArtifact flys);
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176
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177 protected abstract Object getUpper(D4EArtifact flys);
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178
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179 protected abstract String getType();
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180 }
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181 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org