Revision 47235 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.impl/src/main/java/org/gvsig/fmap/dal/feature/impl/DataTypeDetectorImpl.java
| DataTypeDetectorImpl.java | ||
|---|---|---|
| 3 | 3 |
import org.gvsig.fmap.dal.feature.DataTypeDetector; |
| 4 | 4 |
import java.math.BigDecimal; |
| 5 | 5 |
import java.net.URL; |
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import java.text.DecimalFormat; |
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| 7 |
import java.text.NumberFormat; |
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| 8 |
import java.text.ParsePosition; |
|
| 6 | 9 |
import java.util.Locale; |
| 7 | 10 |
import org.apache.commons.lang3.StringUtils; |
| 8 | 11 |
import org.gvsig.fmap.dal.DataTypes; |
| ... | ... | |
| 24 | 27 |
@SuppressWarnings("UseSpecificCatch")
|
| 25 | 28 |
public class DataTypeDetectorImpl implements DataTypeDetector {
|
| 26 | 29 |
|
| 30 |
private Locale locale; |
|
| 31 |
|
|
| 27 | 32 |
private static class DataTypeDetectedImpl implements DataTypeDetected {
|
| 28 | 33 |
|
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private int type; |
| ... | ... | |
| 87 | 92 |
|
| 88 | 93 |
private PossibleDataType possibleDataType; |
| 89 | 94 |
private DataTypeDetectedImpl detectedDataType; |
| 90 |
private Coercion toDecimal; |
|
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// private Coercion toDecimal;
|
|
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private Coercion toDouble; |
| 92 | 97 |
private Coercion toFloat; |
| 93 | 98 |
private Coercion toDate; |
| ... | ... | |
| 108 | 113 |
locale = Locale.getDefault(); |
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} |
| 110 | 115 |
DataTypesManager typeManager = ToolsLocator.getDataTypesManager(); |
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toDecimal = typeManager.getCoercion(DataTypes.DECIMAL); |
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// toDecimal = typeManager.getCoercion(DataTypes.DECIMAL);
|
|
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toDouble = typeManager.getCoercion(DataTypes.DOUBLE); |
| 113 | 118 |
toFloat = typeManager.getCoercion(DataTypes.FLOAT); |
| 114 | 119 |
toDate = typeManager.getCoercion(DataTypes.DATE); |
| ... | ... | |
| 125 | 130 |
possibleDataType = new PossibleDataType(); |
| 126 | 131 |
possibleDataType.possibleGeometryType = Geometry.TYPES.UNKNOWN; |
| 127 | 132 |
possibleDataType.possibleGeometrySubtype = Geometry.SUBTYPES.UNKNOWN; |
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|
|
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this.locale = locale; |
|
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} |
| 130 | 135 |
|
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@SuppressWarnings("ResultOfObjectAllocationIgnored")
|
| ... | ... | |
| 143 | 148 |
if( displaySize>detectedDataType.displaySize ) {
|
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detectedDataType.displaySize = displaySize; |
| 145 | 150 |
} |
| 146 |
if (possibleDataType.possibleDecimal) {
|
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try {
|
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BigDecimal decimal = (BigDecimal) toDecimal.coerce(rawvalue, coercionContext); |
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possibleDataType.possibleDecimal = true; |
|
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if( decimal.scale() > detectedDataType.decimalDigits ) {
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detectedDataType.decimalDigits = decimal.scale(); |
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if( StringUtils.isNotBlank(rawvalue) ) {
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if (possibleDataType.possibleDecimal) {
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try {
|
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BigDecimal decimal = this.toDecimal(rawvalue); |
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if( decimal==null ) {
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possibleDataType.possibleDecimal = false; |
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} else {
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if( decimal.scale() > detectedDataType.decimalDigits ) {
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detectedDataType.decimalDigits = decimal.scale(); |
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} |
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int integerDigits = decimal.precision() - decimal.scale(); |
|
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if( integerDigits>detectedDataType.integerDigits ) {
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detectedDataType.integerDigits = integerDigits; |
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} |
|
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} |
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} catch (Exception ex) {
|
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possibleDataType.possibleDecimal = false; |
|
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} |
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int integerDigits = decimal.precision() - decimal.scale(); |
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if( integerDigits>detectedDataType.integerDigits ) {
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detectedDataType.integerDigits = integerDigits; |
|
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} |
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if (possibleDataType.possibleDouble) {
|
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try {
|
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Double num = toDouble(rawvalue); |
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possibleDataType.possibleDouble = (num!=null); |
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} catch (Exception ex) {
|
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possibleDataType.possibleDouble = false; |
|
| 156 | 176 |
} |
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} catch (Exception ex) {
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possibleDataType.possibleDecimal = false; |
|
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} |
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}
|
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if (possibleDataType.possibleDouble) {
|
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try {
|
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toDouble.coerce(rawvalue, coercionContext);
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possibleDataType.possibleDouble = true;
|
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} catch (Exception ex) {
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possibleDataType.possibleDouble = false;
|
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if (possibleDataType.possibleFloat) {
|
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try {
|
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Float num = toFloat(rawvalue);
|
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possibleDataType.possibleFloat = (num!=null);
|
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} catch (Exception ex) {
|
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possibleDataType.possibleFloat = false;
|
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}
|
|
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} |
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} |
|
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if (possibleDataType.possibleFloat) {
|
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try {
|
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toFloat.coerce(rawvalue, coercionContext); |
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possibleDataType.possibleFloat = true; |
|
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} catch (Exception ex) {
|
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possibleDataType.possibleFloat = false; |
|
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if (possibleDataType.possibleLong) {
|
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possibleDataType.possibleLong = isValidLong(rawvalue); |
|
| 175 | 188 |
} |
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} |
|
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if (possibleDataType.possibleLong) {
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possibleDataType.possibleLong = isValidLong(rawvalue); |
|
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} |
|
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if (possibleDataType.possibleInt) {
|
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possibleDataType.possibleInt = isValidInteger(rawvalue); |
|
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} |
|
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if (possibleDataType.possibleDate) {
|
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try {
|
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toDate.coerce(rawvalue, coercionContext); |
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possibleDataType.possibleDate = true; |
|
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} catch (Exception ex) {
|
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possibleDataType.possibleDate = false; |
|
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if (possibleDataType.possibleInt) {
|
|
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possibleDataType.possibleInt = isValidInteger(rawvalue); |
|
| 189 | 191 |
} |
| 190 |
}
|
|
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if (possibleDataType.possibleTime) {
|
|
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try {
|
|
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toTime.coerce(rawvalue, coercionContext);
|
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possibleDataType.possibleTime = true;
|
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} catch (Exception ex) {
|
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possibleDataType.possibleTime = false;
|
|
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if (possibleDataType.possibleDate) {
|
|
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try {
|
|
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toDate.coerce(rawvalue, coercionContext);
|
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possibleDataType.possibleDate = true;
|
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} catch (Exception ex) {
|
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possibleDataType.possibleDate = false;
|
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}
|
|
| 197 | 199 |
} |
| 198 |
}
|
|
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if (possibleDataType.possibleTimestamp) {
|
|
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try {
|
|
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toTimestamp.coerce(rawvalue, coercionContext);
|
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possibleDataType.possibleTimestamp = true;
|
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} catch (Exception ex) {
|
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possibleDataType.possibleTimestamp = false;
|
|
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if (possibleDataType.possibleTime) {
|
|
| 201 |
try {
|
|
| 202 |
toTime.coerce(rawvalue, coercionContext);
|
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possibleDataType.possibleTime = true;
|
|
| 204 |
} catch (Exception ex) {
|
|
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possibleDataType.possibleTime = false;
|
|
| 206 |
}
|
|
| 205 | 207 |
} |
| 206 |
}
|
|
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if (possibleDataType.possibleURL) {
|
|
| 208 |
try {
|
|
| 209 |
new URL((String) rawvalue);
|
|
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possibleDataType.possibleURL = true;
|
|
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} catch (Exception ex) {
|
|
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possibleDataType.possibleURL = false;
|
|
| 208 |
if (possibleDataType.possibleTimestamp) {
|
|
| 209 |
try {
|
|
| 210 |
toTimestamp.coerce(rawvalue, coercionContext);
|
|
| 211 |
possibleDataType.possibleTimestamp = true;
|
|
| 212 |
} catch (Exception ex) {
|
|
| 213 |
possibleDataType.possibleTimestamp = false;
|
|
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}
|
|
| 213 | 215 |
} |
| 214 |
} |
|
| 216 |
if (possibleDataType.possibleURL) {
|
|
| 217 |
try {
|
|
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new URL((String) rawvalue); |
|
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possibleDataType.possibleURL = true; |
|
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} catch (Exception ex) {
|
|
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possibleDataType.possibleURL = false; |
|
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} |
|
| 223 |
} |
|
| 215 | 224 |
|
| 216 |
if (possibleDataType.possibleGeometry) {
|
|
| 217 |
try {
|
|
| 218 |
Geometry geom = (Geometry) toGeom.coerce((String) rawvalue, geometryCoercionContext); |
|
| 219 |
if( geom==null ) {
|
|
| 220 |
possibleDataType.possibleGeometry = true; |
|
| 221 |
} else {
|
|
| 222 |
possibleDataType.possibleGeometry = true; |
|
| 223 |
if( possibleDataType.possibleGeometryType == Geometry.TYPES.UNKNOWN ) {
|
|
| 224 |
possibleDataType.possibleGeometryType = geom.getGeometryType().getType(); |
|
| 225 |
} else if( possibleDataType.possibleGeometryType != geom.getGeometryType().getType() ) {
|
|
| 226 |
// FIXME: habria que calcualar correctamente el geom-type, en funcion del actual y el ultimo. |
|
| 227 |
possibleDataType.possibleGeometryType = Geometry.TYPES.GEOMETRY; |
|
| 225 |
if (possibleDataType.possibleGeometry) {
|
|
| 226 |
try {
|
|
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Geometry geom = (Geometry) toGeom.coerce((String) rawvalue, geometryCoercionContext); |
|
| 228 |
if( geom==null ) {
|
|
| 229 |
possibleDataType.possibleGeometry = true; |
|
| 230 |
} else {
|
|
| 231 |
possibleDataType.possibleGeometry = true; |
|
| 232 |
if( possibleDataType.possibleGeometryType == Geometry.TYPES.UNKNOWN ) {
|
|
| 233 |
possibleDataType.possibleGeometryType = geom.getGeometryType().getType(); |
|
| 234 |
} else if( possibleDataType.possibleGeometryType != geom.getGeometryType().getType() ) {
|
|
| 235 |
// FIXME: habria que calcualar correctamente el geom-type, en funcion del actual y el ultimo. |
|
| 236 |
possibleDataType.possibleGeometryType = Geometry.TYPES.GEOMETRY; |
|
| 237 |
} |
|
| 238 |
if( possibleDataType.possibleGeometrySubtype == Geometry.SUBTYPES.UNKNOWN ) {
|
|
| 239 |
possibleDataType.possibleGeometrySubtype = geom.getGeometryType().getSubType(); |
|
| 240 |
} else if( possibleDataType.possibleGeometrySubtype != geom.getGeometryType().getSubType()) {
|
|
| 241 |
// FIXME: habria que calcualar correctamente el geom-type, en funcion del actual y el ultimo. |
|
| 242 |
// possibleDataType.possibleGeometrySubtype = Geometry.SUBTYPES.GEOM3DM; |
|
| 243 |
possibleDataType.possibleGeometrySubtype = Geometry.SUBTYPES.GEOM3D; // H2 no soporta M |
|
| 244 |
} |
|
| 228 | 245 |
} |
| 229 |
if( possibleDataType.possibleGeometrySubtype == Geometry.SUBTYPES.UNKNOWN ) {
|
|
| 230 |
possibleDataType.possibleGeometrySubtype = geom.getGeometryType().getSubType(); |
|
| 231 |
} else if( possibleDataType.possibleGeometrySubtype != geom.getGeometryType().getSubType()) {
|
|
| 232 |
// FIXME: habria que calcualar correctamente el geom-type, en funcion del actual y el ultimo. |
|
| 233 |
// possibleDataType.possibleGeometrySubtype = Geometry.SUBTYPES.GEOM3DM; |
|
| 234 |
possibleDataType.possibleGeometrySubtype = Geometry.SUBTYPES.GEOM3D; // H2 no soporta M |
|
| 235 |
} |
|
| 246 |
} catch (Exception ex) {
|
|
| 247 |
possibleDataType.possibleGeometry = false; |
|
| 236 | 248 |
} |
| 237 |
} catch (Exception ex) {
|
|
| 238 |
possibleDataType.possibleGeometry = false; |
|
| 239 | 249 |
} |
| 240 | 250 |
} |
| 241 |
|
|
| 242 | 251 |
if (possibleDataType.possibleInt) {
|
| 243 | 252 |
this.detectedDataType.type = DataTypes.INT; |
| 244 | 253 |
} else if (possibleDataType.possibleLong) {
|
| ... | ... | |
| 316 | 325 |
} |
| 317 | 326 |
} |
| 318 | 327 |
|
| 328 |
|
|
| 329 |
private BigDecimal toDecimal(String s) {
|
|
| 330 |
try {
|
|
| 331 |
if (s.startsWith("+")) {
|
|
| 332 |
s = s.substring(1); |
|
| 333 |
} |
|
| 334 |
ParsePosition p = new ParsePosition(0); |
|
| 335 |
DecimalFormat nf = (DecimalFormat) NumberFormat.getInstance(this.locale); |
|
| 336 |
nf.setParseBigDecimal(true); |
|
| 337 |
BigDecimal num = (BigDecimal) nf.parse(s, p); |
|
| 338 |
if (p.getErrorIndex() > 0 || p.getIndex() < s.length()) {
|
|
| 339 |
return null; |
|
| 340 |
} |
|
| 341 |
return num; |
|
| 342 |
} catch (Exception ex) {
|
|
| 343 |
return null; |
|
| 344 |
} |
|
| 345 |
} |
|
| 346 |
|
|
| 347 |
private Double toDouble(String s) {
|
|
| 348 |
try {
|
|
| 349 |
if (s.startsWith("+")) {
|
|
| 350 |
s = s.substring(1); |
|
| 351 |
} |
|
| 352 |
ParsePosition p = new ParsePosition(0); |
|
| 353 |
DecimalFormat nf = (DecimalFormat) NumberFormat.getInstance(this.locale); |
|
| 354 |
Number n = nf.parse(s, p); |
|
| 355 |
if (p.getErrorIndex() > 0 || p.getIndex() < s.length()) {
|
|
| 356 |
return null; |
|
| 357 |
} |
|
| 358 |
double num = n.doubleValue(); |
|
| 359 |
return num; |
|
| 360 |
} catch (Exception ex) {
|
|
| 361 |
return null; |
|
| 362 |
} |
|
| 363 |
} |
|
| 364 |
|
|
| 365 |
private Float toFloat(String s) {
|
|
| 366 |
try {
|
|
| 367 |
if (s.startsWith("+")) {
|
|
| 368 |
s = s.substring(1); |
|
| 369 |
} |
|
| 370 |
ParsePosition p = new ParsePosition(0); |
|
| 371 |
DecimalFormat nf = (DecimalFormat) NumberFormat.getInstance(this.locale); |
|
| 372 |
Number n = nf.parse(s, p); |
|
| 373 |
if (p.getErrorIndex() > 0 || p.getIndex() < s.length()) {
|
|
| 374 |
return null; |
|
| 375 |
} |
|
| 376 |
double num = n.doubleValue(); |
|
| 377 |
if( num > Float.MAX_VALUE || num<Float.MIN_VALUE ) {
|
|
| 378 |
return null; |
|
| 379 |
} |
|
| 380 |
return (float)num; |
|
| 381 |
} catch (Exception ex) {
|
|
| 382 |
return null; |
|
| 383 |
} |
|
| 384 |
} |
|
| 319 | 385 |
} |
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