Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/ChangeOptionsAction.java @ 991:33198e55371c

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Improved session handling in the gui. If a session has timed out, the user gets to the start point - the fis selection. gnv/trunk@1192 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 10 Jun 2010 15:13:08 +0000
parents c7f8a9b4b006
children 28a0628b11b0
rev   line source
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bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
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diff changeset
1 package de.intevation.gnv.action;
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2
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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3 import de.intevation.gnv.action.sessionmodel.DiagrammOptions;
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4 import de.intevation.gnv.action.sessionmodel.SessionModel;
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5 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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6
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7 import de.intevation.gnv.artifactdatabase.objects.ArtifactDescription;
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8 import de.intevation.gnv.artifactdatabase.objects.OutputMode;
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9 import de.intevation.gnv.artifactdatabase.objects.OutputParameter;
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10
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11 import java.text.NumberFormat;
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12 import java.text.ParseException;
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13
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14 import java.util.Collection;
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15 import java.util.Iterator;
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16 import java.util.Locale;
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55dae5bb76db Fixed issue149. Render the chart if there are output modes existing for this state - not if there are further states. TODO: We should check if there is an output mode named 'chart' before rendering a chart.
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17 import java.util.Map;
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18
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19 import javax.servlet.http.HttpServletRequest;
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20 import javax.servlet.http.HttpServletResponse;
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21
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22 import org.apache.log4j.Logger;
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23
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24 import org.apache.struts.action.ActionForm;
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25 import org.apache.struts.action.ActionForward;
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26 import org.apache.struts.action.ActionMapping;
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27
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28 /**
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29 * This controller is called to change options used in charts and histograms
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30 * (e.g. width, height, etc).
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31 *
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32 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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33 */
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34 public class ChangeOptionsAction extends DescribeUIAction {
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35 /**
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36 * the logger, used to log exceptions and additonaly information
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37 */
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38 private static Logger log = Logger.getLogger(ChangeOptionsAction.class);
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39
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40 /**
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41 * Constructor
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42 */
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43 public ChangeOptionsAction() {
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44 super();
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45 }
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46
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47 @Override
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48 public ActionForward execute(ActionMapping mapping, ActionForm form,
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49 HttpServletRequest request,
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50 HttpServletResponse response) throws Exception {
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51 if (isSessionExhausted(request)) {
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52 return sessionExhaustedForward(mapping, form, request, response);
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53 }
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54
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55 log.debug("NextArtifactStepAction.execute");
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56 try {
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57 SessionModel sm = SessionModelFactory.getInstance()
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58 .getSessionModel(request);
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59
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60 ArtifactDescription ad = sm.getArtifactDescription();
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parents: 408
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61
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62 String target = request.getParameter("target");
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63 OutputMode outputMode = sm.getOutputMode(target);
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64 Locale locale = sm.getCurrentLocale();
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65
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66 if (outputMode != null) {
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67 Collection<OutputParameter> op = outputMode
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68 .getOutputParameters();
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69 if (op != null) {
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70 Iterator<OutputParameter> it = op.iterator();
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71 DiagrammOptions oldOptions = sm.getDiagrammOptions();
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72 DiagrammOptions diagrammOptions = new DiagrammOptions();
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73 while (it.hasNext()) {
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74 OutputParameter parameter = it.next();
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75 String name = parameter.getName();
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76 Object old = oldOptions != null
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77 ? oldOptions.getValue(name)
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78 : parameter.getValue();
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79 String value = request.getParameter(name);
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80 String type = parameter.getType();
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81
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82 if (log.isDebugEnabled()) {
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83 log.debug("Change chart options now...");
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84 log.debug("Parameter name: " + name);
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85 log.debug("Parameter type: " + type);
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86 log.debug("Parameter value: " + value);
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87 }
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88
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89 if (type.equalsIgnoreCase("boolean")){
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90 if (value == null){
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91 value = "false";
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92 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 389
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93 else {
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94 value = "true";
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95 }
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96
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97 diagrammOptions.setValue(name,value);
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98 }
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99 else if (type.equalsIgnoreCase("integer")) {
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100 if (validInteger(request.getLocale(), value)) {
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101 diagrammOptions.setValue(name, value);
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102 }
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103 else {
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104 log.warn("Text is not a valid integer: "+value);
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105 diagrammOptions.setValue(name, old);
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106
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107 request.setAttribute(
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108 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE,
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109 "input.not.a.integer"
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110 );
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111
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112 request.setAttribute(
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113 CommunicationKeys.REQUEST_EXCEPTION_VALUE,
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114 value
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115 );
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116 }
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117 }
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118 else if (type.equalsIgnoreCase("double")) {
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119 try {
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120 double val = parseDoubleValue(locale, value);
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121 String valStr = Double.toString(val);
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122 log.debug("Change diagram options ["
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123 + name +"] to " + val);
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124 diagrammOptions.setValue(name, val);
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125 }
967
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126 catch (ParseException pe) {
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127 log.warn("Text is not a valid double: "+value);
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128 diagrammOptions.setValue(name, old);
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129
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130 request.setAttribute(
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131 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE,
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132 "input.not.a.double"
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133 );
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134
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135 request.setAttribute(
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136 CommunicationKeys.REQUEST_EXCEPTION_VALUE,
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137 value
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138 );
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139 }
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140 }
34
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141 }
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142 sm.setDiagrammOptions(diagrammOptions);
575
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143
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144 // XXX Little workarround. We should implement a 'choice' type,
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145 // if we need further choice elements! (iw)
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146 String bintype = request.getParameter("bintype");
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147 if (bintype != null) {
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148 diagrammOptions.setValue("bintype", bintype);
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149 sm.setDiagrammOptions(diagrammOptions);
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150 request.setAttribute("bintype", bintype);
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151 }
30
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152 }
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153 }
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154
407
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155 Map tmpOuts = ad.getOutputModes();
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156 if (tmpOuts == null || tmpOuts.isEmpty()) {
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157 request.setAttribute("furthertargets", true);
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158 }
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159 else {
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160 request.setAttribute(target, true);
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161 }
407
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162
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163 return super.execute(mapping, form, request, response);
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164 } catch (Exception e) {
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165 log.error(e, e);
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166 request.setAttribute(
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167 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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168 .getMessage());
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169 return super.getExceptionForward(mapping);
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170 }
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171 }
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172
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173 protected boolean validInteger(Locale locale, String value) {
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174 try {
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175 if (value.split("\\.").length > 1 || value.split("\\,").length > 1){
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176 return false;
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177 }
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178
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179 NumberFormat format = NumberFormat.getIntegerInstance(locale);
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180 format.setParseIntegerOnly(true);
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181 Number number = format.parse(value);
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182
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183 if (number.longValue() < 0)
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184 return false;
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185
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186 return (number instanceof Integer) || (number instanceof Long);
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187 }
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188 catch (ParseException pe) {
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189 return false;
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190 }
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191 }
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diff changeset
192
967
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193 protected double parseDoubleValue(Locale locale, String value)
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194 throws ParseException
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195 {
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196 log.error("LOCALE FOR DOUBLE PARSING: " + locale.toString());
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197 NumberFormat format = NumberFormat.getNumberInstance(locale);
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198 Number number = format.parse(value);
663
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199
967
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200 return number.doubleValue();
663
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201 }
29
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202 }
409
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 408
diff changeset
203 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org