| gvSIG desktop 1

package org.gvsig.remoteclient.wms;

import java.io.IOException;

import org.kxml2.io.KXmlParser;

import org.xmlpull.v1.XmlPullParserException;

import org.gvsig.remoteclient.utils.CapabilitiesTags;

/**

 * <p>Defines a OGC style. Theme that describes the appeareance of certain layer.</p>

 *

 */

public abstract class WMSStyle {

        //style name, defined in the WMS capabilities

        private String name;

        //style title, defined in the WMS capabilities

        private String title;

        // style abstract, defined in the WMS capabilities

    private String styleAbstract;

    private org.gvsig.remoteclient.wms.WMSStyle.LegendURL legendURL;

    /**

     * <p>Parses the STYLE tag in the WMS capabilities, filling the WMSStyle object

     * loading the data in memory to be easily accesed</p>

     *

     */

    public abstract void parse(KXmlParser parser) throws IOException, XmlPullParserException;

    /**

     * Parses the legendURL tag.

     * @param parser

     * @throws IOException

     * @throws XmlPullParserException

     */

    protected void parseLegendURL(KXmlParser parser) throws IOException, XmlPullParserException

    {

            int currentTag;

            boolean end = false;

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

            String value = new String();

            legendURL = new LegendURL();

            //First of all set whether the layer is Queryable reading the attribute.

            value = parser.getAttributeValue("", CapabilitiesTags.WIDTH);

            if (value != null)

            {

                    legendURL.width = Integer.parseInt( value );

            }

            value = parser.getAttributeValue("", CapabilitiesTags.HEIGHT);

            if (value != null)

            {

                    legendURL.height = Integer.parseInt( value );

            }

            currentTag = parser.nextTag();

            while (!end)

            {

                    switch(currentTag)

                    {

                    case KXmlParser.START_TAG:

                            if (parser.getName().compareTo(CapabilitiesTags.FORMAT)==0)

                            {

                                    legendURL.format = parser.nextText();

                            }

                            else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0)

                            {

                                    value = parser.getAttributeValue("", CapabilitiesTags.XLINK_TYPE);

                                    if (value != null)

                                            legendURL.onlineResource_type = value;

                                    value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);

                                    if (value != null)

                                            legendURL.onlineResource_href = value;

                            }

                            break;

                    case KXmlParser.END_TAG:

                            if (parser.getName().compareTo(CapabilitiesTags.LEGENDURL) == 0)

                                    end = true;

                            break;

                    case KXmlParser.TEXT:

                            break;

                    }

                    if (!end)

                    {

                            currentTag = parser.next();

                    }

            }

            parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.LEGENDURL);

    }

    /**

     * gets the LegendURL OnlineResource type

     */

    public String getLegendURLOnlineResourceType()

    {

            if (legendURL != null)

            {

                    return legendURL.onlineResource_type;

            }

            else

            {

                    return null;

            }

    }

    /**

     * gets the LegendURL OnlineResource href

     */

    public String getLegendURLOnlineResourceHRef()

    {

            if (legendURL != null)

            {

                    return legendURL.onlineResource_href;

            }

            else

            {

                    return null;

            }

    }

    public String getLegendURLFormat()

    {

            if (legendURL != null)

            {

                    return legendURL.format;

            }

            else

            {

                    return null;

            }

    }

    public int getLegendURLWidth()

    {

            if (legendURL != null)

            {

                    return legendURL.width;

            }

            return 0;

    }

    public int getLegendURLHeight()

    {

            if (legendURL != null)

            {

                    return legendURL.height;

            }

            return 0;

    }

    /**

     * sets LegendURL

     */

    protected void setLegendURL(LegendURL legendURL)

    {

            this.legendURL = legendURL;

    }

    /**

     * <p>gets the style name</p>

     *

     * @return style name

     */

    public String getName() {

            return name;

    }

    /**

     * <p>sets the style name.</p>

     *

     * @param _name

     */

    public void setName(String _name) {

            name = _name;

    }

    /**

     * <p>gets the style title</p>

     *

     *

     * @return style title

     */

    public String getTitle() {

            return title;

    }

    /**

     * <p>Sets style title</p>

     *

     *

     * @param _title

     */

    public void setTitle(String _title) {

            title = _title.trim();

    }

    /**

     * <p>gets style abstract</p>

     *

     *

     * @return style abstract

     */

    public String getAbstract() {

            return styleAbstract;

    }

    /**

     * <p>sets style abstract</p>

     *

     *

     * @param _abstract, style abstract

     */

    public void setAbstract(String _abstract) {

            styleAbstract = _abstract;

    }

    /**

     * <p>Inner class describing the Legend URL defined for styles in the OGC specifications in WMS</p>

     *

     */

    protected class LegendURL

    {

            public LegendURL()

            {

                    width = 0;

                    height= 0;

                    format = new String();

                    onlineResource_type = new String();

                    onlineResource_href = new String();

            }

            public int width;

            public int height;

            public String format;

            public String onlineResource_type;

            public String onlineResource_href;

    }

}