1 | package com.ether; |
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2 | |
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3 | import com.medias.Context; |
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4 | import org.apache.commons.logging.Log; |
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5 | import org.apache.commons.logging.LogFactory; |
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6 | import org.jetbrains.annotations.NotNull; |
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7 | import org.jetbrains.annotations.Nullable; |
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8 | import org.springframework.context.ApplicationContext; |
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9 | import org.springframework.web.context.support.WebApplicationContextUtils; |
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10 | |
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11 | import javax.imageio.ImageIO; |
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12 | import javax.servlet.ServletConfig; |
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13 | import javax.servlet.ServletException; |
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14 | import javax.servlet.http.HttpServlet; |
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15 | import javax.servlet.http.HttpServletRequest; |
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16 | import javax.servlet.http.HttpServletResponse; |
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17 | import java.awt.image.BufferedImage; |
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18 | import java.io.IOException; |
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19 | import java.util.ArrayList; |
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20 | import java.util.Calendar; |
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21 | import java.util.Date; |
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22 | import java.util.LinkedHashSet; |
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23 | import java.util.List; |
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24 | import java.util.Set; |
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25 | |
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26 | /** |
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27 | * @author vmipsl |
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28 | * @date 04 september 2012 |
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29 | */ |
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30 | public class ControllerSimulationPlot |
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31 | extends HttpServlet |
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32 | { |
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33 | public void init( final ServletConfig servletConfig ) |
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34 | throws ServletException |
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35 | { |
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36 | try |
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37 | { |
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38 | final ApplicationContext appContext = WebApplicationContextUtils.getRequiredWebApplicationContext( servletConfig.getServletContext() ); |
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39 | _etherPlotService = (EtherPlotService) appContext.getBean( "etherPlotService", EtherPlotService.class ); |
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40 | _etherService = (EtherService) appContext.getBean( "etherService", EtherService.class ); |
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41 | } |
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42 | catch( Throwable tx ) |
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43 | { |
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44 | LOGGER.error( "Error initializing EtherService.", tx ); |
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45 | throw new ServletException( "Error initializing EtherService.", tx ); |
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46 | } |
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47 | } |
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48 | |
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49 | /** |
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50 | * Creates an image with the plot and send it to the response |
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51 | * Call by a jsp with <img src="simulation/plotSimulationEther?...."> |
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52 | * |
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53 | * @param request |
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54 | * @param response |
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55 | * @throws javax.servlet.ServletException |
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56 | */ |
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57 | public void doGet( final HttpServletRequest request, final HttpServletResponse response ) |
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58 | throws ServletException |
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59 | { |
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60 | try |
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61 | { |
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62 | final String title = request.getParameter( ParameterConstants.PARAMETER_TITLE ); |
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63 | final Integer modelId = Integer.valueOf( request.getParameter( ParameterConstants.PARAMETER_MODEL_ID ) ); |
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64 | final Integer variableId = Integer.valueOf( request.getParameter( ParameterConstants.PARAMETER_VARIABLE_ID ) ); |
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65 | final String variableName = request.getParameter( ParameterConstants.PARAMETER_VARIABLE_NAME ); |
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66 | final Integer dateNumber = Integer.parseInt( request.getParameter( ParameterConstants.PARAMETER_DATE_NUMBER ) ); |
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67 | final String date = request.getParameter( ParameterConstants.PARAMETER_DATE ); |
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68 | final Integer level = Integer.parseInt( request.getParameter( ParameterConstants.PARAMETER_VARIABLE_LEVEL ) ); |
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69 | final boolean isRasterContour = Boolean.parseBoolean( request.getParameter( "isRasterContour" ) ); |
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70 | final boolean displayRealData = Boolean.parseBoolean( request.getParameter( "isRealDataToDisplay" ) ); |
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71 | |
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72 | Integer plateformId = null; |
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73 | if( null != request.getParameter( ParameterConstants.PARAMETER_PLATEFORM_ID ) ) |
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74 | plateformId = Integer.parseInt( request.getParameter( ParameterConstants.PARAMETER_PLATEFORM_ID ) ); |
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75 | |
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76 | // Create plot |
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77 | final SimulationPlot megapoliPlot = new SimulationPlot(); |
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78 | megapoliPlot.setTitle( title ); |
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79 | megapoliPlot.setModelId( modelId ); |
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80 | megapoliPlot.setVariableId( variableId ); |
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81 | megapoliPlot.setVariableName( variableName ); |
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82 | megapoliPlot.setLevel( level ); |
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83 | megapoliPlot.setDate( date ); |
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84 | megapoliPlot.setRasterContour( isRasterContour ); |
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85 | megapoliPlot.setRealDataToDisplay( displayRealData ); |
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86 | |
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87 | // Extract simulated values from file |
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88 | final List<Double> allParameterValues = _etherService.extractValuesByModelByVariableByDateByLevelFromFile( megapoliPlot.getModelId(), megapoliPlot.getVariableName(), dateNumber, level, true ); |
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89 | final List<Double> allLatitudeValues = _etherService.extractValuesByModelByVariableByDateByLevelFromFile( megapoliPlot.getModelId(), "lat", dateNumber, level, true ); |
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90 | final List<Double> allLongitudeValues = _etherService.extractValuesByModelByVariableByDateByLevelFromFile( megapoliPlot.getModelId(), "lon", dateNumber, level, true ); |
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91 | |
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92 | // Extract real data from database |
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93 | if( megapoliPlot.isRealDataToDisplay() && null != plateformId ) |
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94 | { |
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95 | final Integer parameterId = _etherService.getParameterByCode( variableName ); |
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96 | // Dates |
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97 | final Calendar calendar = Calendar.getInstance(); |
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98 | final Date formatedDateBegin = DateHelper.parseDate( date, "yyyy-MM-dd" ); |
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99 | calendar.setTime( formatedDateBegin ); |
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100 | calendar.add( Calendar.DAY_OF_YEAR, 1 ); |
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101 | final Date formatedDateEnd = calendar.getTime(); |
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102 | |
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103 | final Data realValuesLists = _etherService.getListsByPlateformByParameterByPeriodFor2D( plateformId, parameterId, formatedDateBegin, formatedDateEnd ); |
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104 | megapoliPlot.setRealData( realValuesLists ); |
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105 | megapoliPlot.setRealDataNumber( ( (ArrayList) realValuesLists.getFirstArray() ).size() ); |
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106 | } |
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107 | |
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108 | // If we have to display the real data, we need probably to zoom all the data on the same geographic map, otherwise we keep all values |
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109 | final Data allZoomedData = _etherService.makeZoom( allParameterValues, allLatitudeValues, allLongitudeValues, megapoliPlot.getRealData() ); |
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110 | final List<Double> parameterValues = (List<Double>) allZoomedData.getFirstArray(); |
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111 | final List<Double> latitudeValues = (List<Double>) allZoomedData.getSecondArray(); |
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112 | final List<Double> longitudeValues = (List<Double>) allZoomedData.getThirdArray(); |
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113 | |
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114 | final Data valuesLists; |
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115 | // If we display the contours, the latitudes and longitudes must contain only unique value, we remove the duplicated values |
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116 | if( isRasterContour ) |
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117 | { |
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118 | final Set<Double> latitudeValuesSet = new LinkedHashSet<Double>( latitudeValues ); |
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119 | final Set<Double> longitudeValuesSet = new LinkedHashSet<Double>( longitudeValues ); |
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120 | // We have to flip the parameter values |
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121 | final List<Double> flipedParameterValues = _etherService.flipList( parameterValues, latitudeValuesSet.size(), longitudeValuesSet.size() ); |
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122 | valuesLists = new Data( flipedParameterValues, new ArrayList<Double>( latitudeValuesSet ), new ArrayList<Double>( longitudeValuesSet ) ); |
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123 | } |
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124 | else |
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125 | valuesLists = new Data( parameterValues, new ArrayList<Double>( latitudeValues ), new ArrayList<Double>( longitudeValues ) ); |
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126 | |
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127 | megapoliPlot.setData( valuesLists ); |
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128 | megapoliPlot.setValuesNumber( parameterValues.size() ); |
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129 | |
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130 | final BufferedImage bufferedImage = _etherPlotService.createMainPane( megapoliPlot, Context.getLocale( request ) ); |
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131 | ImageIO.write( bufferedImage, "png", response.getOutputStream() ); |
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132 | } |
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133 | catch( Exception e1 ) |
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134 | { |
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135 | try |
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136 | { |
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137 | createErrorPane( response, request, "", e1 ); |
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138 | } |
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139 | catch( Exception e2 ) |
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140 | { |
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141 | throw new ServletException( "Error : no possibity to write image in response", e2 ); |
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142 | } |
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143 | } |
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144 | } |
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145 | |
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146 | private void createErrorPane( final HttpServletResponse response, final HttpServletRequest request, @NotNull final String mainError, @Nullable final Exception e ) |
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147 | throws IOException |
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148 | { |
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149 | final BufferedImage errorImage; |
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150 | if( null != e ) |
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151 | errorImage = _etherPlotService.createErrorPane( mainError, e.toString(), Context.getLocale( request ) ); |
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152 | else |
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153 | errorImage = _etherPlotService.createErrorPane( mainError, null, Context.getLocale( request ) ); |
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154 | |
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155 | ImageIO.write( errorImage, "png", response.getOutputStream() ); |
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156 | } |
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157 | |
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158 | private static final Log LOGGER = LogFactory.getLog( ControllerSimulationPlot.class ); |
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159 | |
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160 | private EtherPlotService _etherPlotService; |
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161 | private EtherService _etherService; |
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162 | } |
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