Application: gvSIG desktop

package org.gvsig.remoteclient.wms;

import java.io.IOException;

import org.gvsig.remoteclient.utils.CapabilitiesTags;

import org.kxml2.io.KXmlParser;

import org.xmlpull.v1.XmlPullParserException;

public class WMSExtent {

    private String name; 

    /**

     * Indicates that the server will round off inexact dimension values

     * to the nearest valid value, or (if it is null or zero) it will not.

     */

    private String nearestValue; 

    /**

     * Indicates that temporal data are normally kept current and that the

     * request parameter TIME <b>may</b> include the keyword 'current' 

     * instead of an ending value. 

     */

    private String current;

    /**

     * cotains the expression for this dimension's extent.

     */

    private String extentExpression;

    private String extDefaultValue;

    public String getName() {        

        return name;

    } 

    /**

     * Tells that the temporal data are normally kept current and that

     * the request parameter TIME may include the keyword 'current'

     * instead of an ending value.

     *

     * @return <b>true</b> if the server does keep the data, <b>false</b> else.

     */

    public boolean allowsCurrentTime() {

        return (current!=null && !current.equals("0"));

    }

    /**

     * Gets the value that would be used along this dimension if a Web

     * request omits a value for the dimension.

     * 

     * @return Returns the defaultValue.

     */

    public String getDefaultValue() {

        return extDefaultValue;

    }

    /**

     * Returns the extent expression as it was written in the Capabilities 

     * document.

     * @return String

     */

    public String getExtentExpression() {

        return extentExpression;

    }

    /**

     * @return Returns the nearestValues.

     */

    public boolean allowsNearestValue() {

        return (nearestValue!=null && !nearestValue.equals("0"));

    }         

           /**

         * Parses the EXTENT tag in the WMS capabilities, filling the Extend fills of the

         * WMSDimension object and loading the data into memory to be easily accesed.

         */

        public void parse(KXmlParser parser) throws IOException, XmlPullParserException{

            parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.EXTENT);

            name                         = parser.getAttributeValue("", CapabilitiesTags.DIMENSION_NAME);

            extDefaultValue  = parser.getAttributeValue("", CapabilitiesTags.DEFAULT);

            nearestValue    = parser.getAttributeValue("", CapabilitiesTags.EXTENT_NEAREST_VALUE);

            current          = parser.getAttributeValue("", CapabilitiesTags.EXTENT_CURRENT);

            extentExpression = parser.nextText();

        }        

}