svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.file / org.gvsig.fmap.dal.file.lib / src / main / java / org / gvsig / fmap / dal / store / simplereader / SimpleReaderPointAttributeEmulator.java @ 47655
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/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package org.gvsig.fmap.dal.store.simplereader; |
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import javax.json.JsonArray; |
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import javax.json.JsonObject; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeEmulator; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.json.Json; |
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import org.gvsig.json.JsonObjectBuilder; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.Coercion; |
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import org.gvsig.tools.dataTypes.DataType; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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*
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* @author jjdelcerro
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*/
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public class SimpleReaderPointAttributeEmulator implements FeatureAttributeEmulator { |
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private static final Logger logger = LoggerFactory.getLogger(SimpleReaderPointAttributeEmulator.class); |
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private static final int XNAME = 0; |
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private static final int YNAME = 1; |
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private static final int ZNAME = 2; |
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private GeometryManager geommgr;
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private String[] fieldNames; |
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private Coercion toDouble;
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private DataType dataType;
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private int errorcount = 0; |
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public SimpleReaderPointAttributeEmulator() {
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} |
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public SimpleReaderPointAttributeEmulator(String[] pointDimensionNames) { |
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if (pointDimensionNames.length > 2) { |
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this.fieldNames = new String[3]; |
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this.fieldNames[ZNAME] = pointDimensionNames[2]; |
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} else {
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this.fieldNames = new String[2]; |
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} |
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this.fieldNames[XNAME] = pointDimensionNames[0]; |
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this.fieldNames[YNAME] = pointDimensionNames[1]; |
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this.geommgr = GeometryLocator.getGeometryManager();
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DataTypesManager datatypeManager = ToolsLocator.getDataTypesManager(); |
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this.toDouble = datatypeManager.getCoercion(DataTypes.DOUBLE);
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this.dataType = datatypeManager.get(DataTypes.GEOMETRY);
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} |
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public String[] getFieldNames() { |
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return fieldNames;
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} |
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@Override
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public Object get(Feature feature) { |
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try {
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Object valueX = feature.get(this.fieldNames[XNAME]); |
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valueX = toDouble.coerce(valueX); |
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if (valueX == null) { |
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return null; |
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} |
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Object valueY = feature.get(this.fieldNames[YNAME]); |
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valueY = toDouble.coerce(valueY); |
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if (valueY == null) { |
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return null; |
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} |
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Object valueZ = null; |
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if (this.fieldNames.length > 2) { |
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valueZ = toDouble.coerce(feature.get(this.fieldNames[ZNAME]));
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if (valueZ == null) { |
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return null; |
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} |
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} |
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double x = (Double) valueX; |
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double y = (Double) valueY; |
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Point point = geommgr.createPoint(x, y, Geometry.SUBTYPES.GEOM3D);
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if (this.fieldNames.length > 2) { |
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double z = (Double) valueZ; |
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point.setCoordinateAt(2, z);
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} |
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return point;
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} catch (Exception ex) { |
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if (++errorcount < 5) { |
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logger.warn("[" + errorcount + "] Can't create point in CSV provider. XNAME='" + this.fieldNames[XNAME] + "', YNAME='" + this.fieldNames[XNAME] + "' feature=" + feature.toString(), ex); |
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} |
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return null; |
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} |
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} |
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@Override
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public void set(EditableFeature feature, Object value) { |
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if (value == null) { |
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return;
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} |
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Point point;
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if (value instanceof MultiPoint) { |
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point = (Point) ((MultiPoint) value).getPrimitiveAt(0); |
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} else {
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point = (Point) value;
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} |
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feature.set(this.fieldNames[XNAME], point.getX());
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feature.set(this.fieldNames[YNAME], point.getY());
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if (this.fieldNames.length > 2) { |
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feature.set(this.fieldNames[ZNAME], point.getCoordinateAt(2)); |
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} |
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} |
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@Override
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public boolean allowSetting() { |
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return true; |
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} |
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@Override
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public String[] getRequiredFieldNames() { |
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return this.fieldNames; |
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} |
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@Override
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public JsonObject toJson() {
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return this.toJsonBuilder().build(); |
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} |
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@Override
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public JsonObjectBuilder toJsonBuilder() {
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JsonObjectBuilder builder = Json.createObjectBuilder(); |
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builder.add_class(this);
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builder.add("fieldNames", fieldNames);
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return builder;
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} |
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@Override
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public void fromJson(JsonObject json) { |
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JsonArray jsonFieldNames = json.getJsonArray("fieldNames");
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this.fieldNames = new String[jsonFieldNames.size()]; |
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for (int i = 0; i < jsonFieldNames.size(); i++) { |
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this.fieldNames[XNAME] = jsonFieldNames.getString(i);
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} |
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this.geommgr = GeometryLocator.getGeometryManager();
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DataTypesManager datatypeManager = ToolsLocator.getDataTypesManager(); |
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this.toDouble = datatypeManager.getCoercion(DataTypes.DOUBLE);
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this.dataType = datatypeManager.get(DataTypes.GEOMETRY);
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} |
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} |