root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / FLyrWMS.java @ 1100
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.layers; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.drivers.WMSException; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint; |
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import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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import com.iver.utiles.StringUtilities; |
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import com.iver.utiles.XMLEntity; |
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import com.iver.wmsclient.FeatureInfoQuery; |
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import com.iver.wmsclient.MapQuery; |
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import com.iver.wmsclient.UnsupportedVersionException; |
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import com.iver.wmsclient.WMSClient; |
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import com.iver.wmsclient.WMSClientFactory; |
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import org.exolab.castor.xml.ValidationException; |
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import java.awt.Graphics2D; |
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import java.awt.Point; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.io.ByteArrayInputStream; |
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import java.io.IOException; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import javax.imageio.ImageIO; |
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/**
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* Capa WMS.
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class FLyrWMS extends FLyrDefault implements InfoByPoint { |
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private String m_SRS; |
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private String m_Format; |
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private String layerQuery; |
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private String infoLayerQuery; |
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private URL host; |
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private WMSClient wmsClient;
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private MapQuery lastMapQuery;
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private Rectangle2D fullExtent; |
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/**
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* Slecciona el formato del WMS.
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*
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* @return formato seleccionado.
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*
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* @throws WMSException
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* @throws IllegalStateException
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* @throws ValidationException
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* @throws UnsupportedVersionException
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* @throws IOException
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*/
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private String selectFormat() |
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throws WMSException, IllegalStateException, ValidationException, |
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UnsupportedVersionException, IOException {
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String[] formats; |
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formats = getWmsClient().getInfoFormats(); |
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for (int i = 0; i < formats.length; i++) { |
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if (formats[i].equals("GML.1")) { |
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return formats[i];
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} |
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if (formats[i].equals("GML.2")) { |
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return formats[i];
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} |
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if (formats[i].equals("GML.3")) { |
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return formats[i];
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} |
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if (formats[i].equals("application/vnd.ogc.gml")) { |
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return formats[i];
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} |
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if (formats[i].indexOf("XML") != -1) { |
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return formats[i];
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} |
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} |
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throw new WMSException("No format supported"); |
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} |
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/**
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* Devuelve el XMLEntity con la informaci?n necesaria para reproducir la
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* capa.
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*
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* @return XMLEntity.
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*/
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public XMLEntity getXMLEntity() {
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XMLEntity xml = super.getXMLEntity();
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xml.putProperty("fullExtent", StringUtilities.rect2String(fullExtent));
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xml.putProperty("host", host.toExternalForm());
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xml.putProperty("infoLayerQuery", infoLayerQuery);
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xml.putProperty("layerQuery", layerQuery);
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xml.putProperty("format", m_Format);
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xml.putProperty("srs", m_SRS);
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return xml;
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} |
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/**
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* A partir del XMLEntity reproduce la capa.
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*
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* @param xml XMLEntity
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*
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* @throws XMLException
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* @throws DriverException
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* @throws DriverIOException
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*/
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public void setXMLEntity(XMLEntity xml) |
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throws XMLException {
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super.setXMLEntity(xml);
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fullExtent = StringUtilities.string2Rect(xml.getStringProperty( |
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"fullExtent"));
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try {
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host = new URL(xml.getStringProperty("host")); |
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} catch (MalformedURLException e) { |
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throw new XMLException(e); |
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} |
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infoLayerQuery = xml.getStringProperty("infoLayerQuery");
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layerQuery = xml.getStringProperty("layerQuery");
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m_Format = xml.getStringProperty("format");
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m_SRS = xml.getStringProperty("srs");
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint#queryByPoint(com.iver.cit.gvsig.fmap.operations.QueriedPoint)
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*/
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public String queryByPoint(Point p) throws DriverException { |
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FeatureInfoQuery query = new FeatureInfoQuery(lastMapQuery);
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query.setFeatureCount(Integer.MAX_VALUE);
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query.setX((int) p.getX());
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query.setY((int) p.getY());
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query.setInfoQuery(infoLayerQuery); |
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try {
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query.setInfoFormat(selectFormat()); |
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return new String(getWmsClient().doFeatureInfo(query)); |
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} catch (WMSException e) {
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return "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><exception>" + |
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e.getMessage() + "</exception>";
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} catch (ValidationException e) {
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/*
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* TODO Las traducciones en este m?todo han de ser
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* las mismas que en el m?todo de dibujado
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*/
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throw new DriverException("No se reconoce el formato de la respuesta", |
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e); |
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} catch (UnsupportedVersionException e) {
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throw new DriverException("Conflicto de versiones", e); |
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} catch (IOException e) { |
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throw new DriverException("Error en la conexi?n", e); |
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} catch (com.iver.wmsclient.WMSException e) {
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throw new DriverException(e.getMessage(), e); |
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} catch (NoSuchFieldException e) { |
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throw new RuntimeException( |
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"No se rellenaron todos los campos de la petici?n");
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
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*/
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public Rectangle2D getFullExtent() throws DriverException { |
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return fullExtent;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage,
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* java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort,
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* com.iver.cit.gvsig.fmap.operations.Cancellable)
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel) throws DriverException {
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try {
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lastMapQuery = getWmsClient().createQuery(); |
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lastMapQuery.setBBOX(viewPort.getAdjustedExtent()); |
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lastMapQuery.setFormat(m_Format); |
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lastMapQuery.setHeight(viewPort.getImageHeight()); |
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// System.err.println("m_Mapa.getHeight() = " + m_Mapa.getHeight());
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lastMapQuery.setLayers(layerQuery); |
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lastMapQuery.setSRS(m_SRS); |
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lastMapQuery.setStyles("");
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lastMapQuery.setWidth(viewPort.getImageWidth()); |
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lastMapQuery.setExceptions("application/vnd.ogc.se_xml");
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byte[] bytes; |
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bytes = getWmsClient().doMapQuery(lastMapQuery); |
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ByteArrayInputStream inbytes = new ByteArrayInputStream(bytes); |
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BufferedImage tempImg = ImageIO.read(inbytes); |
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g.drawImage(tempImg, 0, 0, null); |
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} catch (ValidationException e) {
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throw new DriverException("No se reconoce el formato de la respuesta", |
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e); |
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} catch (UnsupportedVersionException e) {
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throw new DriverException("Conflicto de versiones", e); |
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} catch (IOException e) { |
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throw new DriverException("Error en la conexi?n", e); |
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} catch (com.iver.wmsclient.WMSException e) {
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throw new DriverException(e.getMessage(), e); |
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} catch (NoSuchFieldException e) { |
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throw new RuntimeException( |
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"No se rellenaron todos los campos de la petici?n");
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} |
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
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* com.iver.cit.gvsig.fmap.ViewPort,
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* com.iver.cit.gvsig.fmap.operations.Cancellable)
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*/
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel) |
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throws DriverException {
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draw(null, g, viewPort, cancel);
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} |
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/**
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* Devuelve el WMSClient.
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*
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* @return WMSClient
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*
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* @throws IllegalStateException
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* @throws ValidationException
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* @throws UnsupportedVersionException
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* @throws IOException
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*/
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private WMSClient getWmsClient()
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throws IllegalStateException, ValidationException, |
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UnsupportedVersionException, IOException {
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if (wmsClient == null) { |
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wmsClient = WMSClientFactory.getClient(host); |
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} |
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return wmsClient;
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} |
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/**
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* Devuelve el URL.
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*
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* @return URL.
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*/
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public URL getHost() { |
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return host;
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} |
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/**
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* Inserta el URL.
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*
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* @param host URL.
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*/
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public void setHost(URL host) { |
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this.host = host;
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} |
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/**
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* Devuelve la informaci?n de la consulta.
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*
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* @return String.
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*/
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public String getInfoLayerQuery() { |
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return infoLayerQuery;
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} |
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/**
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* Inserta la informaci?n de la consulta.
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*
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* @param infoLayerQuery String.
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*/
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public void setInfoLayerQuery(String infoLayerQuery) { |
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this.infoLayerQuery = infoLayerQuery;
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} |
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/**
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* Devuelve la consulta.
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*
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* @return String.
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*/
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public String getLayerQuery() { |
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return layerQuery;
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} |
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/**
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* Inserta la consulta.
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*
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* @param layerQuery consulta.
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*/
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public void setLayerQuery(String layerQuery) { |
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this.layerQuery = layerQuery;
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} |
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/**
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* Devuelve el formato.
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*
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* @return Formato.
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*/
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public String getFormat() { |
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return m_Format;
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} |
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/**
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* Inserta el formato.
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*
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* @param format Formato.
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*/
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public void setFormat(String format) { |
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m_Format = format; |
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} |
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/**
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* Devuelve el SRS.
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*
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* @return SRS.
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*/
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public String getSRS() { |
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return m_SRS;
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} |
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/**
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* Inserta el SRS.
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*
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* @param m_srs SRS.
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*/
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public void setSRS(String m_srs) { |
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m_SRS = m_srs; |
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} |
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/**
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* Inserta la extensi?n total de la capa.
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*
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* @param fullExtent Rect?ngulo.
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*/
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public void setFullExtent(Rectangle2D fullExtent) { |
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this.fullExtent = fullExtent;
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} |
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} |