Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.parameters;

import java.awt.geom.Point2D;

import java.io.IOException;

import java.util.ArrayList;

import org.kxml2.io.KXmlParser;

import org.kxml2.io.KXmlSerializer;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

import es.unex.sextante.additionalInfo.AdditionalInfo;

import es.unex.sextante.additionalInfo.AdditionalInfoTableField;

import es.unex.sextante.dataObjects.I3DRasterLayer;

import es.unex.sextante.dataObjects.IRasterLayer;

import es.unex.sextante.dataObjects.ITable;

import es.unex.sextante.dataObjects.IVectorLayer;

import es.unex.sextante.exceptions.NullParameterAdditionalInfoException;

import es.unex.sextante.exceptions.NullParameterValueException;

import es.unex.sextante.exceptions.WrongParameterTypeException;

/**

 * A parameter representing a field in a table or in the attributes table of a vector layer

 * 

 * @author volaya

 * 

 */

public class ParameterTableField

         extends

            Parameter {

   private static final String PARENT    = "parent";

   private static final String MANDATORY = "mandatory";

    private String fieldName;

   @Override

   public String getParameterTypeName() {

      return "Table Field";

   }

   @Override

   public IRasterLayer getParameterValueAsRasterLayer() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   @Override

   public I3DRasterLayer getParameterValueAs3DRasterLayer() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   @Override

   public ITable getParameterValueAsTable() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   @Override

   public IVectorLayer getParameterValueAsVectorLayer() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   public ArrayList getParameterValueAsMultipleRasterLayer() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   public ArrayList getParameterValueAsMultipleVectorLayer() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   public ArrayList getParameterValueAsMultipleTable() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   @Override

   public int getParameterValueAsInt() throws WrongParameterTypeException, NullParameterValueException {

      if (m_ParameterValue != null) {

         return ((Integer) m_ParameterValue).intValue();

      }

      throw new NullParameterValueException();

   }

   @Override

   public double getParameterValueAsDouble() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   @Override

   public boolean getParameterValueAsBoolean() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   @Override

   public String getParameterValueAsString() throws WrongParameterTypeException, NullParameterValueException {

      if (fieldName != null) {

         return fieldName;

      }

      return null;

   }

   @Override

   public Point2D getParameterValueAsPoint() throws WrongParameterTypeException {

      throw new WrongParameterTypeException();

   }

   @Override

   public boolean setParameterAdditionalInfo(final AdditionalInfo additionalInfo) {

      if (additionalInfo instanceof AdditionalInfoTableField) {

         m_ParameterAdditionalInfo = additionalInfo;

         return true;

      }

      else {

         return false;

      }

   }

   @Override

   public boolean setParameterValue(final Object value) {

      if (value instanceof Integer) {

         m_ParameterValue = value;

         return true;

      }

      if (value instanceof String) {

          this.fieldName = (String) value;

      }

      return false;

   }

   public boolean setParameterValue(final int iValue) {

      final Integer Value = new Integer(iValue);

      m_ParameterValue = Value;

      return true;

   }

   @Override

   public Class getParameterClass() {

      return Integer.class;

   }

   @Override

   protected void serializeAttributes(final KXmlSerializer serializer) throws NullParameterAdditionalInfoException, IOException {

      final AdditionalInfoTableField aitf = (AdditionalInfoTableField) m_ParameterAdditionalInfo;

      if (aitf != null) {

         serializer.text("\n");

         serializer.text("\t\t\t");

         serializer.startTag(null, ATTRIBUTE);

         serializer.attribute(null, NAME, PARENT);

         serializer.attribute(null, VALUE, aitf.getParentParameterName());

         serializer.endTag(null, ATTRIBUTE);

         serializer.text("\n");

         serializer.text("\t\t\t");

         serializer.startTag(null, ATTRIBUTE);

         serializer.attribute(null, NAME, MANDATORY);

         serializer.attribute(null, VALUE, Boolean.valueOf(aitf.getIsMandatory()).toString());

         serializer.endTag(null, ATTRIBUTE);

      }

      else {

         throw new NullParameterAdditionalInfoException();

      }

   }

   public static Parameter deserialize(final KXmlParser parser) throws XmlPullParserException, IOException {

      String sParent = null;

      boolean bMandatory = true;

      int tag = parser.nextTag();

      boolean bOver = false;

      while (!bOver) {

         switch (tag) {

            case XmlPullParser.START_TAG:

               if (parser.getName().compareTo(ATTRIBUTE) == 0) {

                  final String sName = parser.getAttributeValue("", NAME);

                  if (sName.compareTo(PARENT) == 0) {

                     sParent = parser.getAttributeValue("", VALUE);

                  }

                  else if (sName.compareTo(PARENT) == 0) {

                     final String sMandatory = parser.getAttributeValue("", VALUE);

                     bMandatory = Boolean.parseBoolean(sMandatory);

                  }

               }

               break;

            case XmlPullParser.END_TAG:

               if (parser.getName().compareTo(INPUT) == 0) {

                  bOver = true;

               }

               break;

            case XmlPullParser.TEXT:

               break;

         }

         if (!bOver) {

            tag = parser.next();

         }

      }

      final ParameterTableField param = new ParameterTableField();

      final AdditionalInfoTableField ai = new AdditionalInfoTableField(sParent, bMandatory);

      param.setParameterAdditionalInfo(ai);

      return param;

   }

   @Override

   public String getCommandLineParameter() {

      final Integer i = (Integer) m_ParameterValue;

      return "\"" + i.toString() + "\"";

   }

   @Override

   public boolean isParameterValueCorrect() {

      return m_ParameterValue != null;

   }

}