Mercurial > dive4elements > gnv-client

annotate geo-backend/src/main/java/de/intevation/gnv/geobackend/sde/datasources/Row.java @ 897:02cd2935b5fa

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Removed trailing whitespace. geo-backend/trunk@1013 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 28 Apr 2010 07:04:19 +0000
parents d674cef2ca0d
children ebeb56428409
rev   line source
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.gnv.geobackend.sde.datasources;
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2
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3 import com.esri.sde.sdk.client.SDEPoint;
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4 import com.esri.sde.sdk.client.SeException;
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5 import com.esri.sde.sdk.client.SeShape;
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6
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7 import de.intevation.gnv.geobackend.sde.datasources.exception.TechnicalException;
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8
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9 import de.intevation.gnv.geobackend.util.DateUtils;
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10
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11 import java.util.ArrayList;
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12 import java.util.Calendar;
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13 import java.util.Date;
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14
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15 import org.apache.log4j.Logger;
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16
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17 /**
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18 * A Row represents a set of values.
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19 * In a technical manner (e.g. database manner) a row contains all attributes of a single "hit".
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20 *
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21 * @author blume
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22 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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23 */
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24 public class Row {
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25 /**
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26 * Default Logging instance
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27 */
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28 private static Logger sLogger = Logger.getLogger(Row.class);
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29
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30 /**
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31 * Data container.
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32 */
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33 private Object[] mObjects;
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34
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35 /**
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36 * Constructor.
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37 * @param pRowSize the number of attributes contained by this row.
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38 */
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39 public Row(int pRowSize) {
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40 mObjects = new Object[pRowSize];
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41 }
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42
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43 /**
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44 * Constructor.
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45 * @param ArrayStr a line from CSV-File.
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46 */
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47 public Row (String[] ArrayStr){
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48 this (ArrayStr.length);
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49 int nLength = ArrayStr.length;
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50 for (int i=0; i < nLength; i++){
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51 addObject(ArrayStr[i], i);
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52
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53 }
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54
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55 }
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56
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57 /**
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58 * Adds an attribute value to a specific position of this row.
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59 *
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60 * @param pObject the object to be stored.
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61 * @param pPos the postion the value to be saved
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62 */
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63 public void addObject(Object pObject, int pPos) {
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64 mObjects[pPos] = pObject;
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65 }
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66
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67 /**
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68 * Returns a Value out of the Row.
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69 *
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70 * @param pPos the position of the value to be returned.
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71 * @return an Object! (not strongly typed)
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72 * @throws TechnicalException
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73 */
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74 public Object getValue(int pPos) throws TechnicalException {
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75 if (pPos < mObjects.length) {
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76
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77 Object o = mObjects[pPos];
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78 if (o instanceof SeShape){
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79 return this.getPosValue(pPos);
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80 }else{
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81 return o;
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82 }
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83 } else {
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84 throw new TechnicalException("Cannot access this field position. Size is: " + mObjects.length);
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85 }
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86 }
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87
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88 /**
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89 * This is a covenient method for getting strongly typed objects out of the row.
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90 * It has to be ensured, that the type of the requested row position has been resolved out of the ColumnDefinition ({@link ResultSet#getColumnDefinitions()}).
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91 * In fact, this method executes a simple cast to the desired type.
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92 *
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93 * @param pPos the position of the object to be resolved.
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94 * @return a strongly typed Date
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95 * @throws TechnicalException
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96 * @see #getValue(int)
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97 */
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98 public Date getDateValue(int pPos) throws TechnicalException {
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99 Date date = null;
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100 try {
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101 Calendar lCalendar = (Calendar) getValue(pPos);
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102 date = lCalendar.getTime();
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103 }
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104 catch (ClassCastException e) {
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105 try{
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106 //SimpleDateFormat formatter = new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss");
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107 date = DateUtils.getDateFromString ((String)getValue(pPos)); //(Date)formatter.parse((String)getValue(pPos));
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108
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109
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110 }
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111 catch (Exception ex){
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112 sLogger.error(getValue(pPos) + " " + ex.getMessage(), ex);
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113 throw new TechnicalException("Could not cast this value to the Date Type. Object is of value type: " + getValue(pPos).getClass().getName());
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114 }
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115 }
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116
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117 return date;
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118 }
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119
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120 /**
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121 * This is a covenient method for getting strongly typed objects out of the row.
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122 * It has to be ensured, that the type of the requested row position has been resolved out of the ColumnDefinition ({@link ResultSet#getColumnDefinitions()}).
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123 * In fact, this method executes a simple cast to the desired type.
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124 *
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125 * @param pPos the position of the object to be resolved.
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126 * @return a strongly typed String
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127 * @throws TechnicalException
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128 * @see #getValue(int)
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129 */
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130 public String getStringValue(int pPos) throws TechnicalException {
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131 try {
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132 Object o = this.getValue(pPos);
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133 String returnValue = null;
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134 if (o instanceof SeShape){
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135 returnValue = this.getPosValue(pPos);
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136 }else{
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137 returnValue = (String)o;
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138 }
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139 return returnValue;
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140 } catch (ClassCastException e) {
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141 throw new TechnicalException("Could not cast this value to the String Type. Object is of value type: " + getValue(pPos).getClass().getName());
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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 * This is a covenient method for getting strongly typed objects out of the row.
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147 * It has to be ensured, that the type of the requested row position has been resolved out of the ColumnDefinition ({@link ResultSet#getColumnDefinitions()}).
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148 * In fact, this method executes a simple cast to the desired type.
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149 *
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150 * @param pPos the position of the object to be resolved.
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151 * @throws TechnicalException
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152 * @see #getValue(int)
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153 * * @return a strongly typed int
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154 */
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155 public int getIntValue(int pPos) throws TechnicalException {
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156 try {
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157 return (Integer) getValue(pPos);
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158 } catch (ClassCastException e) {
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159 throw new TechnicalException("Could not cast this value to the Integer Type. Object is of value type: " + getValue(pPos).getClass().getName());
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160 }
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161 }
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162
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163 /**
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164 * This is a covenient method for getting strongly typed objects out of the row.
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165 * It has to be ensured, that the type of the requested row position has been resolved out of the ColumnDefinition ({@link ResultSet#getColumnDefinitions()}).
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166 * In fact, this method executes a simple cast to the desired type.
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167 *
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168 * @param pPos the position of the object to be resolved.
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169 * @throws TechnicalException
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170 * @see #getValue(int)
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171 * * @return a strongly typed Double
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172 */
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173 public Double getDoubleValue(int pPos) throws TechnicalException {
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174 try {
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175 return (Double) getValue(pPos);
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176 } catch (ClassCastException e) {
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177 try{
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178 return new Double ((String)getValue(pPos));
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179 }
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180 catch(Exception ex){
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diff changeset
181 sLogger.error(getValue(pPos) + " " + ex.getMessage(), ex);
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182 throw new TechnicalException("Could not cast this value to the Double Type. Object is of value type: " + getValue(pPos).getClass().getName());
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183 }
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184 }
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185 }
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186
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187 /**
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188 * This is a covenient method for getting strongly typed objects out of the row.
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189 * It has to be ensured, that the type of the requested row position has been resolved out of the ColumnDefinition ({@link ResultSet#getColumnDefinitions()}).
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190 * In fact, this method executes a simple cast to the desired type.
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191 *
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192 * @param pPos the position of the object to be resolved.
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193 * @return a strongly typed Float
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194 * @throws TechnicalException
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195 * @see #getValue(int)
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196 */
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197 public Float getFloatValue(int pPos) throws TechnicalException {
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198 try {
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199 return (Float) getValue(pPos);
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200 } catch (ClassCastException e) {
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201 throw new TechnicalException("Could not cast this value to the Float Type. Object is of value type: " + getValue(pPos).getClass().getName());
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202 }
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203 }
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204 /**
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205 * This is a covenient method for getting strongly typed objects out of the row.
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206 * It has to be ensured, that the type of the requested row position has been resolved out of the ColumnDefinition ({@link ResultSet#getColumnDefinitions()}).
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207 * In fact, this method executes a simple cast to the desired type.
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208 *
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209 * @param pPos the position of the object to be resolved.
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210 * @return a strongly typed Float
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211 * @throws TechnicalException
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212 * @see #getValue(int)
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213 */
894
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214 public String getPosValue(int pPos)throws TechnicalException{
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215 StringBuffer returnValue = new StringBuffer();
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216 synchronized (returnValue) {
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217 try {
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218 SeShape val = (SeShape) this.mObjects[pPos];
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219 if (val.isPoint()){
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diff changeset
220 // Cannot use val.asText() because the
894
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221 // generated WKT is invalid.
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222 ArrayList aList = val.getAllPoints(0,false);
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223 SDEPoint[] mPoint = (SDEPoint[])aList.get(0);
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diff changeset
224 returnValue.append("POINT(")
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225 .append(mPoint[0].getX())
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226 .append(" ")
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227 .append(mPoint[0].getY());
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diff changeset
228 if (mPoint[0].is3D()){
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diff changeset
229 returnValue.append(" ").append(mPoint[0].getZ());
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230 }
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diff changeset
231 returnValue.append(")");
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diff changeset
232 }else if (val.isLine() || val.isSimpleLine()){
897
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parents: 894
diff changeset
233 // Cannot use val.asText() because the
894
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diff changeset
234 // generated WKT is invalid.
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diff changeset
235 ArrayList aList = val.getAllPoints(0,false);
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diff changeset
236 SDEPoint[] mPoint = (SDEPoint[])aList.get(0);
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diff changeset
237 boolean isMultiLineString = val.isMultiPart();
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diff changeset
238 int length = mPoint.length;
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diff changeset
239 int nextOffset = length;
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diff changeset
240 int[] offsets = (int[])aList.get(1);
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diff changeset
241 int offsetPos = 1;
897
02cd2935b5fa Removed trailing whitespace.
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diff changeset
242
894
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243 if(isMultiLineString){
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diff changeset
244 returnValue.append("MULTILINESTRING((");
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diff changeset
245 nextOffset = offsets.length-1 >= offsetPos ? offsets[offsetPos++] : length;
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parents: 887
diff changeset
246 }else{
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diff changeset
247 returnValue.append("LINESTRING(");
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diff changeset
248 }
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diff changeset
249
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diff changeset
250 for (int i = 0; i< length;i++){
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02cd2935b5fa Removed trailing whitespace.
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parents: 894
diff changeset
251
894
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diff changeset
252 if (i == nextOffset){
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diff changeset
253 returnValue.append("),(");
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diff changeset
254 nextOffset = offsets.length-1 >= offsetPos ? offsets[offsetPos++] : length;
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diff changeset
255 }
897
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256
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257 returnValue.append(mPoint[i].getX())
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258 .append(" ")
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259 .append(mPoint[i].getY());
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260 if (mPoint[i].is3D()){
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261 returnValue.append(" ").append(mPoint[i].getZ());
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262 }
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263 if (i < length-1 && i < nextOffset -1){
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264 returnValue.append(" , ");
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265 }
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266 }
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267
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268 if(isMultiLineString){
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269 returnValue.append("))");
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270 }else{
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271 returnValue.append(")");
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272 }
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273
894
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274 } else{
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275 returnValue.append(val.asText(val.getTextSize()));
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276 }
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277 } catch (SeException e) {
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278 throw new TechnicalException("Could not cast this value to the " +
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279 "Float Type. Object is of value " +
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280 "type: " +
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281 getValue(pPos).getClass().getName());
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282 }
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283 }
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284 return returnValue.toString();
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285 }
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286 }
http://dive4elements.wald.intevation.org