svn-gvsig-desktop / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / layers / FLyrWMS.java @ 1076
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| 1 | 851 | fernando | package com.iver.cit.gvsig.fmap.layers; |
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| 2 | |||
| 3 | import com.iver.cit.gvsig.fmap.DriverException; |
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| 4 | import com.iver.cit.gvsig.fmap.ViewPort; |
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| 5 | 1034 | vcaballero | import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
| 6 | 851 | fernando | import com.iver.cit.gvsig.fmap.drivers.WMSException; |
| 7 | import com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint; |
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| 8 | import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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| 9 | 1034 | vcaballero | |
| 10 | 851 | fernando | import com.iver.utiles.StringUtilities; |
| 11 | import com.iver.utiles.XMLEntity; |
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| 12 | 1034 | vcaballero | |
| 13 | 851 | fernando | import com.iver.wmsclient.FeatureInfoQuery; |
| 14 | import com.iver.wmsclient.MapQuery; |
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| 15 | import com.iver.wmsclient.UnsupportedVersionException; |
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| 16 | import com.iver.wmsclient.WMSClient; |
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| 17 | import com.iver.wmsclient.WMSClientFactory; |
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| 18 | |||
| 19 | 1034 | vcaballero | import org.exolab.castor.xml.ValidationException; |
| 20 | 851 | fernando | |
| 21 | 1034 | vcaballero | import java.awt.Graphics2D; |
| 22 | import java.awt.Point; |
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| 23 | import java.awt.geom.Rectangle2D; |
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| 24 | import java.awt.image.BufferedImage; |
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| 25 | |||
| 26 | import java.io.ByteArrayInputStream; |
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| 27 | import java.io.IOException; |
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| 28 | |||
| 29 | import java.net.MalformedURLException; |
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| 30 | import java.net.URL; |
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| 31 | |||
| 32 | import javax.imageio.ImageIO; |
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| 33 | |||
| 34 | |||
| 35 | 851 | fernando | /**
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| 36 | 1034 | vcaballero | * Capa WMS.
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| 37 | 851 | fernando | *
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| 38 | * @author Fernando Gonz?lez Cort?s
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| 39 | */
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| 40 | public class FLyrWMS extends FLyrDefault implements InfoByPoint { |
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| 41 | private String m_SRS; |
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| 42 | private String m_Format; |
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| 43 | private String layerQuery; |
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| 44 | private String infoLayerQuery; |
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| 45 | private URL host; |
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| 46 | private WMSClient wmsClient;
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| 47 | private MapQuery lastMapQuery;
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| 48 | private Rectangle2D fullExtent; |
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| 49 | |||
| 50 | /**
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| 51 | 1034 | vcaballero | * Slecciona el formato del WMS.
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| 52 | 851 | fernando | *
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| 53 | 1034 | vcaballero | * @return formato seleccionado.
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| 54 | 851 | fernando | *
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| 55 | * @throws WMSException
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| 56 | * @throws IllegalStateException
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| 57 | * @throws ValidationException
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| 58 | * @throws UnsupportedVersionException
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| 59 | * @throws IOException
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| 60 | */
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| 61 | private String selectFormat() |
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| 62 | throws WMSException, IllegalStateException, ValidationException, |
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| 63 | UnsupportedVersionException, IOException {
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| 64 | String[] formats; |
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| 65 | formats = getWmsClient().getInfoFormats(); |
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| 66 | |||
| 67 | for (int i = 0; i < formats.length; i++) { |
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| 68 | if (formats[i].equals("GML.1")) { |
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| 69 | return formats[i];
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| 70 | } |
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| 71 | |||
| 72 | if (formats[i].equals("GML.2")) { |
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| 73 | return formats[i];
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| 74 | } |
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| 75 | |||
| 76 | if (formats[i].equals("GML.3")) { |
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| 77 | return formats[i];
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| 78 | } |
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| 79 | |||
| 80 | if (formats[i].equals("application/vnd.ogc.gml")) { |
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| 81 | return formats[i];
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| 82 | } |
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| 83 | |||
| 84 | if (formats[i].indexOf("XML") != -1) { |
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| 85 | return formats[i];
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| 86 | } |
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| 87 | } |
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| 88 | |||
| 89 | throw new WMSException("No format supported"); |
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| 90 | } |
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| 91 | |||
| 92 | 1034 | vcaballero | /**
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| 93 | * Devuelve el XMLEntity con la informaci?n necesaria para reproducir la
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| 94 | * capa.
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| 95 | *
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| 96 | * @return XMLEntity.
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| 97 | */
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| 98 | 851 | fernando | public XMLEntity getXMLEntity() {
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| 99 | XMLEntity xml = super.getXMLEntity();
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| 100 | |||
| 101 | xml.putProperty("fullExtent", StringUtilities.rect2String(fullExtent));
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| 102 | xml.putProperty("host", host.toExternalForm());
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| 103 | xml.putProperty("infoLayerQuery", infoLayerQuery);
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| 104 | xml.putProperty("layerQuery", layerQuery);
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| 105 | xml.putProperty("format", m_Format);
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| 106 | xml.putProperty("srs", m_SRS);
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| 107 | |||
| 108 | return xml;
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| 109 | } |
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| 110 | 1034 | vcaballero | |
| 111 | /**
|
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| 112 | * A partir del XMLEntity reproduce la capa.
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| 113 | *
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| 114 | * @param xml XMLEntity
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| 115 | *
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| 116 | * @throws XMLException
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| 117 | * @throws DriverException
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| 118 | * @throws DriverIOException
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| 119 | */
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| 120 | public void setXMLEntity(XMLEntity xml) |
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| 121 | 1056 | vcaballero | throws XMLException {
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| 122 | 851 | fernando | super.setXMLEntity(xml);
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| 123 | 1034 | vcaballero | fullExtent = StringUtilities.string2Rect(xml.getStringProperty( |
| 124 | "fullExtent"));
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| 125 | |||
| 126 | 851 | fernando | try {
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| 127 | host = new URL(xml.getStringProperty("host")); |
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| 128 | } catch (MalformedURLException e) { |
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| 129 | throw new XMLException(e); |
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| 130 | } |
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| 131 | 1034 | vcaballero | |
| 132 | 851 | fernando | infoLayerQuery = xml.getStringProperty("infoLayerQuery");
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| 133 | layerQuery = xml.getStringProperty("layerQuery");
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| 134 | m_Format = xml.getStringProperty("format");
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| 135 | m_SRS = xml.getStringProperty("srs");
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| 136 | } |
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| 137 | |||
| 138 | /**
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| 139 | * @see com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint#queryByPoint(com.iver.cit.gvsig.fmap.operations.QueriedPoint)
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| 140 | */
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| 141 | 1011 | fernando | public String queryByPoint(Point p) throws DriverException { |
| 142 | 851 | fernando | FeatureInfoQuery query = new FeatureInfoQuery(lastMapQuery);
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| 143 | query.setFeatureCount(Integer.MAX_VALUE);
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| 144 | query.setX((int) p.getX());
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| 145 | query.setY((int) p.getY());
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| 146 | query.setInfoQuery(infoLayerQuery); |
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| 147 | |||
| 148 | try {
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| 149 | query.setInfoFormat(selectFormat()); |
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| 150 | |||
| 151 | return new String(getWmsClient().doFeatureInfo(query)); |
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| 152 | } catch (WMSException e) {
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| 153 | return "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><exception>" + |
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| 154 | e.getMessage() + "</exception>";
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| 155 | } catch (ValidationException e) {
|
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| 156 | /*
|
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| 157 | * TODO Las traducciones en este m?todo han de ser
|
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| 158 | * las mismas que en el m?todo de dibujado
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| 159 | */
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| 160 | throw new DriverException("No se reconoce el formato de la respuesta", |
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| 161 | 1034 | vcaballero | e); |
| 162 | 851 | fernando | } catch (UnsupportedVersionException e) {
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| 163 | throw new DriverException("Conflicto de versiones", e); |
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| 164 | } catch (IOException e) { |
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| 165 | throw new DriverException("Error en la conexi?n", e); |
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| 166 | } catch (com.iver.wmsclient.WMSException e) {
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| 167 | throw new DriverException(e.getMessage(), e); |
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| 168 | } catch (NoSuchFieldException e) { |
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| 169 | throw new RuntimeException( |
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| 170 | "No se rellenaron todos los campos de la petici?n");
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| 171 | } |
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| 172 | } |
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| 173 | |||
| 174 | /**
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| 175 | * @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()
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| 176 | */
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| 177 | public Rectangle2D getFullExtent() throws DriverException { |
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| 178 | return fullExtent;
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| 179 | } |
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| 180 | |||
| 181 | /**
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| 182 | * @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage,
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| 183 | * java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort,
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| 184 | * com.iver.cit.gvsig.fmap.operations.Cancellable)
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| 185 | */
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| 186 | public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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| 187 | Cancellable cancel) throws DriverException {
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| 188 | try {
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| 189 | lastMapQuery = getWmsClient().createQuery(); |
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| 190 | lastMapQuery.setBBOX(viewPort.getAdjustedExtent()); |
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| 191 | lastMapQuery.setFormat(m_Format); |
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| 192 | lastMapQuery.setHeight(viewPort.getImageHeight()); |
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| 193 | |||
| 194 | // System.err.println("m_Mapa.getHeight() = " + m_Mapa.getHeight());
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| 195 | lastMapQuery.setLayers(layerQuery); |
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| 196 | lastMapQuery.setSRS(m_SRS); |
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| 197 | lastMapQuery.setStyles("");
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| 198 | lastMapQuery.setWidth(viewPort.getImageWidth()); |
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| 199 | lastMapQuery.setExceptions("application/vnd.ogc.se_xml");
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| 200 | |||
| 201 | byte[] bytes; |
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| 202 | |||
| 203 | bytes = getWmsClient().doMapQuery(lastMapQuery); |
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| 204 | |||
| 205 | ByteArrayInputStream inbytes = new ByteArrayInputStream(bytes); |
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| 206 | BufferedImage tempImg = ImageIO.read(inbytes); |
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| 207 | g.drawImage(tempImg, 0, 0, null); |
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| 208 | } catch (ValidationException e) {
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| 209 | throw new DriverException("No se reconoce el formato de la respuesta", |
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| 210 | e); |
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| 211 | } catch (UnsupportedVersionException e) {
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| 212 | throw new DriverException("Conflicto de versiones", e); |
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| 213 | } catch (IOException e) { |
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| 214 | throw new DriverException("Error en la conexi?n", e); |
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| 215 | } catch (com.iver.wmsclient.WMSException e) {
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| 216 | throw new DriverException(e.getMessage(), e); |
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| 217 | } catch (NoSuchFieldException e) { |
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| 218 | throw new RuntimeException( |
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| 219 | "No se rellenaron todos los campos de la petici?n");
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| 220 | } |
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| 221 | } |
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| 222 | |||
| 223 | /**
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| 224 | * @see com.iver.cit.gvsig.fmap.layers.FLayer#print(java.awt.Graphics2D,
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| 225 | * com.iver.cit.gvsig.fmap.ViewPort,
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| 226 | * com.iver.cit.gvsig.fmap.operations.Cancellable)
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| 227 | */
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| 228 | public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel) |
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| 229 | throws DriverException {
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| 230 | draw(null, g, viewPort, cancel);
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| 231 | } |
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| 232 | 1034 | vcaballero | |
| 233 | 851 | fernando | /**
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| 234 | 1034 | vcaballero | * Devuelve el WMSClient.
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| 235 | 851 | fernando | *
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| 236 | 1034 | vcaballero | * @return WMSClient
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| 237 | 851 | fernando | *
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| 238 | 1034 | vcaballero | * @throws IllegalStateException
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| 239 | * @throws ValidationException
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| 240 | * @throws UnsupportedVersionException
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| 241 | * @throws IOException
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| 242 | 851 | fernando | */
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| 243 | private WMSClient getWmsClient()
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| 244 | throws IllegalStateException, ValidationException, |
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| 245 | UnsupportedVersionException, IOException {
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| 246 | if (wmsClient == null) { |
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| 247 | wmsClient = WMSClientFactory.getClient(host); |
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| 248 | } |
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| 249 | |||
| 250 | return wmsClient;
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| 251 | } |
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| 252 | |||
| 253 | 1034 | vcaballero | /**
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| 254 | * Devuelve el URL.
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| 255 | *
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| 256 | * @return URL.
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| 257 | */
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| 258 | 851 | fernando | public URL getHost() { |
| 259 | return host;
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| 260 | } |
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| 261 | 1034 | vcaballero | |
| 262 | /**
|
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| 263 | * Inserta el URL.
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| 264 | *
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| 265 | * @param host URL.
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| 266 | */
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| 267 | 851 | fernando | public void setHost(URL host) { |
| 268 | this.host = host;
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| 269 | } |
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| 270 | 1034 | vcaballero | |
| 271 | /**
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| 272 | * Devuelve la informaci?n de la consulta.
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| 273 | *
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| 274 | * @return String.
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| 275 | */
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| 276 | 851 | fernando | public String getInfoLayerQuery() { |
| 277 | return infoLayerQuery;
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| 278 | } |
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| 279 | 1034 | vcaballero | |
| 280 | /**
|
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| 281 | * Inserta la informaci?n de la consulta.
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| 282 | *
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| 283 | * @param infoLayerQuery String.
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| 284 | */
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| 285 | 851 | fernando | public void setInfoLayerQuery(String infoLayerQuery) { |
| 286 | this.infoLayerQuery = infoLayerQuery;
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| 287 | } |
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| 288 | 1034 | vcaballero | |
| 289 | /**
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| 290 | * Devuelve la consulta.
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| 291 | *
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| 292 | * @return String.
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| 293 | */
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| 294 | 851 | fernando | public String getLayerQuery() { |
| 295 | return layerQuery;
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| 296 | } |
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| 297 | 1034 | vcaballero | |
| 298 | /**
|
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| 299 | * Inserta la consulta.
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| 300 | *
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| 301 | * @param layerQuery consulta.
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| 302 | */
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| 303 | 851 | fernando | public void setLayerQuery(String layerQuery) { |
| 304 | this.layerQuery = layerQuery;
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| 305 | } |
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| 306 | 1034 | vcaballero | |
| 307 | /**
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| 308 | * Devuelve el formato.
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| 309 | *
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| 310 | * @return Formato.
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| 311 | */
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| 312 | 851 | fernando | public String getFormat() { |
| 313 | return m_Format;
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| 314 | } |
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| 315 | 1034 | vcaballero | |
| 316 | /**
|
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| 317 | * Inserta el formato.
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| 318 | *
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| 319 | * @param format Formato.
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| 320 | */
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| 321 | 851 | fernando | public void setFormat(String format) { |
| 322 | m_Format = format; |
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| 323 | } |
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| 324 | 1034 | vcaballero | |
| 325 | /**
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| 326 | * Devuelve el SRS.
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| 327 | *
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| 328 | * @return SRS.
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| 329 | */
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| 330 | 851 | fernando | public String getSRS() { |
| 331 | return m_SRS;
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| 332 | } |
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| 333 | 1034 | vcaballero | |
| 334 | /**
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| 335 | * Inserta el SRS.
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| 336 | *
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| 337 | * @param m_srs SRS.
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| 338 | */
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| 339 | 851 | fernando | public void setSRS(String m_srs) { |
| 340 | m_SRS = m_srs; |
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| 341 | } |
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| 342 | 1034 | vcaballero | |
| 343 | /**
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| 344 | * Inserta la extensi?n total de la capa.
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| 345 | *
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| 346 | * @param fullExtent Rect?ngulo.
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| 347 | */
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| 348 | 851 | fernando | public void setFullExtent(Rectangle2D fullExtent) { |
| 349 | this.fullExtent = fullExtent;
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| 350 | } |
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| 351 | } |