/**
 *
 */
package de.intevation.gnv.geobackend.base;

import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;

import de.intevation.gnv.geobackend.util.DateUtils;

/**
 * Defaultimplementation of the Interface Result.
 * This Class stores the Attributevalues of one Result.
 * @author Tim Englich <tim.englich@intevation.de>
 *
 */
public class DefaultResult 
implements   Result 
{
    /**
     * THE UID of this Classe
     */
    private static final long serialVersionUID = -6886218808840982766L;


    /**
     * HashMap which stores the Columnvalues identified by the unique Columnname
     */

     private Object [] values;
    
    /**
     * The ResultDescriptor which describes the ColumnValues
     */
    private ResultDescriptor resultDescriptor = null;
    
    /**
     * Constructor
     */
    public DefaultResult(ResultDescriptor resultDescriptor) {
        this.resultDescriptor = resultDescriptor;
        values = new Object[resultDescriptor.getColumnCount()];
    }

    /**
     * @see de.intevation.gnv.geobackend.base.Result#getDate(java.lang.String)
     */
    public Date getDate(String columnName) {
        return getDate(resultDescriptor.getColumnIndex(columnName));
    }

    public Date getDate(int column) {
        Object o = values[column];
        Date d = null;
        if(o instanceof Date){
            d = (Date)o;
        }else if (o instanceof GregorianCalendar){
            d = ((GregorianCalendar)o).getTime();
        }
        return d;
    }

    /**
     * @see de.intevation.gnv.geobackend.base.Result#getDouble(java.lang.String)
     */
    public Double getDouble(String columnName) {
        return getDouble(resultDescriptor.getColumnIndex(columnName));
    }

    public Double getDouble(int column) {
        return (Double)values[column];
    }

    /**
     * @see de.intevation.gnv.geobackend.base.Result#getFloat(java.lang.String)
     */
    public Float getFloat(String columnName) {
        return getFloat(resultDescriptor.getColumnIndex(columnName));
    }

    public Float getFloat(int column) {
        return (Float)values[column];
    }

    /**
     * @see de.intevation.gnv.geobackend.base.Result#getInteger(java.lang.String)
     */
    public Integer getInteger(String columnName) {
        int idx = resultDescriptor.getColumnIndex(columnName);

        return idx > -1 ? getInteger(idx) : -1;
        //return getInteger(resultDescriptor.getColumnIndex(columnName));
    }

    public Integer getInteger(int column) {
        Object value = values[column];
        if (value instanceof Double){
            value = new Integer(((Double)value).intValue());
        }
        return (Integer)value;
    }
    /**
     * @see de.intevation.gnv.geobackend.base.Result#getResultDescriptor()
     */
    public ResultDescriptor getResultDescriptor() {
        return this.resultDescriptor;
    }

    /**
     * @see de.intevation.gnv.geobackend.base.Result#getString(java.lang.String)
     */
    public String getString(String columnName) {
        int idx = resultDescriptor.getColumnIndex(columnName);

        return idx > -1 ? getString(idx) : null;
    }

    public String getString(int column) {

        Object o = values[column];

        if (o instanceof Date){
            return DateUtils.getPatternedDateAmer((Date)o);
        }

        if (o instanceof GregorianCalendar){
            Date d = ((GregorianCalendar)o).getTime();
            return DateUtils.getPatternedDateAmer(d);
        }

        return o != null ? o.toString() : null;
    }

    /**
     * @see de.intevation.gnv.geobackend.base.Result#addColumnValue(java.lang.String, java.lang.Object)
     */
    public void addColumnValue(int column, Object value) {
        values[column] = value;
    }

    /**
     * @see de.intevation.gnv.geobackend.base.Result#getObject(java.lang.String)
     */
    public Object getObject(String columnName) {
        return getObject(resultDescriptor.getColumnIndex(columnName));
    }

    public Object getObject(int column) {
        return values[column];
    }

}