root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / rendering / legend / driver / gvl / FMapGVLDriver.java @ 21427
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package org.gvsig.fmap.mapcontext.rendering.legend.driver.gvl; |
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import java.io.File; |
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import java.io.FileNotFoundException; |
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import java.io.FileReader; |
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import java.io.FileWriter; |
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import java.io.IOException; |
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import java.util.Hashtable; |
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import org.exolab.castor.xml.MarshalException; |
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import org.exolab.castor.xml.Marshaller; |
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import org.exolab.castor.xml.ValidationException; |
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import org.gvsig.data.ReadException; |
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import org.gvsig.data.vectorial.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.FLayers; |
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import org.gvsig.fmap.mapcontext.layers.XMLException; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontext.rendering.legend.IClassifiedVectorLegend; |
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import org.gvsig.fmap.mapcontext.rendering.legend.ILegend; |
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import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend; |
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import org.gvsig.fmap.mapcontext.rendering.legend.LegendFactory; |
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import org.gvsig.fmap.mapcontext.rendering.legend.driver.IFMapLegendDriver; |
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import org.gvsig.fmap.mapcontext.rendering.legend.driver.LegendDriverException; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.utiles.xmlEntity.generate.XmlTag; |
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public class FMapGVLDriver implements IFMapLegendDriver{ |
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private static final String DESCRIPTION = "gvSIG legend"; |
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private static final String FILE_EXTENSION = "gvl"; |
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public boolean accept(File f) { |
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if (f.isDirectory()) return true; |
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String fName = f.getAbsolutePath();
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if (fName!=null) { |
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fName = fName.toLowerCase(); |
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return fName.endsWith(".gvl"); |
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} |
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return false; |
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} |
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public String getDescription() { |
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return DESCRIPTION;
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} |
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public String getFileExtension() { |
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return FILE_EXTENSION;
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} |
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public Hashtable read(FLayers layers,FLayer layer, File file) throws LegendDriverException { |
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Hashtable table = new Hashtable(); |
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File xmlFile = new File(file.getAbsolutePath()); |
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FileReader reader = null; |
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try {
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reader = new FileReader(xmlFile); |
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XmlTag tag = (XmlTag) XmlTag.unmarshal(reader); |
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ILegend myLegend = LegendFactory.createFromXML(new XMLEntity(tag));
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if(myLegend != null ) { |
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//CAPA DE LINEAS
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if (layer instanceof FLyrVect) { |
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FLyrVect m = (FLyrVect) layer; |
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IVectorLegend l = (IVectorLegend) myLegend; |
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int errors = 0; |
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// check general conditions for IVectorLegend
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try {
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// check shape type
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// if (l.getShapeType() != 0 && m.getShapeType() != l.getShapeType()) {
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if((l.getDefaultSymbol().getSymbolType() != m.getShapeType())
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&& !l.isSuitableForShapeType(m.getShapeType())){
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errors |= LegendDriverException.LAYER_SHAPETYPE_MISMATCH; |
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} |
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} catch (ReadException e) {
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errors |= LegendDriverException.READ_DRIVER_EXCEPTION; |
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} |
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if(myLegend instanceof IClassifiedVectorLegend) { |
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IClassifiedVectorLegend cl = (IClassifiedVectorLegend) myLegend; |
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String[] fNames = cl.getClassifyingFieldNames(); |
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String[] fTypes = cl.getClassifyingFieldTypes(); |
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try {
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for (int i = 0; i < fNames.length; i++) { |
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int fieldIndex = m.getFeatureStore().getDefaultFeatureType().getFieldIndex(fNames[i]);
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if (fieldIndex != -1) { |
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if(fTypes != null) |
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if(!fTypes[i].equals(((FeatureAttributeDescriptor)m.getFeatureStore().getDefaultFeatureType().get(fieldIndex)).getDataType())) {
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errors |= LegendDriverException.CLASSIFICATION_FIELDS_TYPE_MISMATCH; |
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} |
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} else {
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errors |= LegendDriverException.CLASSIFICATION_FIELDS_NOT_FOUND; |
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} |
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} |
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} catch (ReadException e) {
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errors |= LegendDriverException.READ_DRIVER_EXCEPTION; |
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} |
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} |
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if (errors == 0) { |
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table.put(layer, myLegend); |
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//return myLegend;
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return table;
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} |
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else throw new LegendDriverException(errors); |
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} |
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} |
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} catch (FileNotFoundException e) { |
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// should be unreachable code
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throw new Error ("file_not_found"); |
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} catch (org.exolab.castor.xml.MarshalException e) {
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throw new Error ("file_corrupt"); |
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} catch (ValidationException e) {
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// should be unreachable code
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throw new Error ("ValidationException"); |
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} catch (XMLException e) {
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throw new Error ("unsupported_legend"); |
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} finally {
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try {
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if (reader!=null) { |
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reader.close(); |
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} |
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} catch (IOException e) { |
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throw new Error ("file_closing_failed"); |
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} |
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} |
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return null; |
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} |
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public void write(FLayers layers,FLayer layer,ILegend legend, File file) throws LegendDriverException { |
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FileWriter writer;
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int errors = 0; |
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try {
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writer = new FileWriter(file.getAbsolutePath()); |
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Marshaller m = new Marshaller(writer);
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m.setEncoding("ISO-8859-1");
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m.marshal(legend.getXMLEntity().getXmlTag()); |
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} catch (MarshalException e) { |
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errors |= LegendDriverException.SAVE_LEGEND_ERROR; |
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} catch (ValidationException e) {
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errors |= LegendDriverException.SAVE_LEGEND_ERROR; |
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} catch (IOException e) { |
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errors |= LegendDriverException.SYSTEM_ERROR; |
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} |
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if (errors != 0) throw new LegendDriverException(errors); |
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} |
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} |