gvsig-raster / org.gvsig.raster.wms / trunk / org.gvsig.raster.wms / org.gvsig.raster.wms.remoteclient / src / main / java / org / gvsig / remoteclient / wms / wms_1_3_0 / WMSLayer1_3_0.java @ 3083
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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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 3
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.remoteclient.wms.wms_1_3_0; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.TreeMap; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.compat.CompatLocator; |
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import org.gvsig.compat.lang.StringUtils; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.remoteclient.utils.BoundaryBox; |
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import org.gvsig.remoteclient.utils.CapabilitiesTags; |
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import org.gvsig.remoteclient.utils.Utilities; |
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import org.gvsig.remoteclient.wms.WMSDimension; |
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import org.kxml2.io.KXmlParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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/**
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* <p>WMS Layer for WMS 1.3.0</p>
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*
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*/
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public class WMSLayer1_3_0 extends org.gvsig.remoteclient.wms.WMSLayer { |
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private static final StringUtils stringUtils = CompatLocator.getStringUtils(); |
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public ArrayList getDimensions() { |
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WMSDimension pDimension; |
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WMSDimension myDimension; |
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ArrayList myDimensions = (ArrayList) this.dimensions.clone(); |
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ArrayList pDimensions;
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if (parent != null) { |
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pDimensions = parent.getDimensions(); |
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for (int i= 0; i < pDimensions.size(); i++) { |
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pDimension = (WMSDimension)pDimensions.get(i); |
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myDimension = getDimension(pDimension.getName()); |
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if (myDimension != null){ |
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pDimensions.remove(pDimension); |
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} |
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} |
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myDimensions.addAll(pDimensions); |
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} |
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return myDimensions;
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} |
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public WMSLayer1_3_0() {
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children = new ArrayList(); |
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} |
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/**
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* <p>Parses the contents of the parser(WMSCapabilities)
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* to extract the information about an WMSLayer</p>
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*
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*/
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public void parse(KXmlParser parser, TreeMap layerTreeMap) throws IOException, XmlPullParserException { |
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int currentTag;
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boolean end = false; |
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String value;
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BoundaryBox bbox; |
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parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.LAYER);
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readLayerAttributes( parser ); |
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currentTag = parser.nextTag(); |
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while (!end) {
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switch(currentTag) {
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case KXmlParser.START_TAG:
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if (parser.getName().compareTo(CapabilitiesTags.LAYER) == 0) { |
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WMSLayer1_3_0 lyr = new WMSLayer1_3_0();
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//parser.next();
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lyr.parse(parser, layerTreeMap); |
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lyr.setParent(this);
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this.children.add(lyr);
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// Jaume
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if (lyr.getName()!=null) |
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layerTreeMap.put(lyr.getName(), lyr); |
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} else if (parser.getName().compareTo(CapabilitiesTags.ATTRIBUTION) == 0) { |
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// TODO comprobar que esto se necesite o se deseche
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parser.skipSubTree(); |
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} else if (parser.getName().compareTo(CapabilitiesTags.NAME) == 0) { |
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value = parser.nextText(); |
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if (value != null) setName(value); |
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} else if (parser.getName().compareTo(CapabilitiesTags.TITLE) == 0) { |
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value = parser.nextText(); |
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if (value != null) setTitle(value); |
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} else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT) == 0) { |
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value = parser.nextText(); |
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if (value != null) setAbstract(value); |
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} else if (parser.getName().compareTo(CapabilitiesTags.CRS) == 0) { |
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value = parser.nextText(); |
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if (value != null) { |
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String[] mySRSs = stringUtils.split(value, " "); |
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for (int i = 0; i < mySRSs.length; i++) { |
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addSrs(mySRSs[i]); |
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} |
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} |
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} else if (parser.getName().compareTo(CapabilitiesTags.BOUNDINGBOX) == 0) { |
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bbox = new BoundaryBox();
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value = parser.getAttributeValue("",CapabilitiesTags.CRS);
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if (value != null) |
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bbox.setSrs(value); |
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value = parser.getAttributeValue("",CapabilitiesTags.MINX);
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setXmin(Double.parseDouble(value));
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value = parser.getAttributeValue("",CapabilitiesTags.MINY);
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setYmin(Double.parseDouble(value));
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value = parser.getAttributeValue("",CapabilitiesTags.MAXX);
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setXmax(Double.parseDouble(value));
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value = parser.getAttributeValue("",CapabilitiesTags.MAXY);
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setYmax(Double.parseDouble(value));
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bbox = changeAxis(bbox.getSrs(), bbox); |
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addBBox(bbox); |
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addSrs(bbox.getSrs()); |
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} else if (parser.getName().compareTo(CapabilitiesTags.EX_GEOGRAPHICBOUNDINGBOX) == 0) { |
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//minimum bounding rectangle in decimal degrees of the area covered by the layer.
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bbox = parseEXGeographicBBTag(parser); |
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addBBox(bbox); |
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setLatLonBox(bbox); |
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addSrs(bbox.getSrs()); |
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} else if (parser.getName().compareTo(CapabilitiesTags.SCALEHINT) == 0) { |
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value = parser.getAttributeValue("",CapabilitiesTags.MIN);
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if ((value != null) && (Utilities.isNumber(value))) |
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setScaleMin(Double.parseDouble(value));
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value = parser.getAttributeValue("",CapabilitiesTags.MAX);
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if ((value != null) && (Utilities.isNumber(value))) |
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setScaleMax(Double.parseDouble(value));
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} else if (parser.getName().compareTo(CapabilitiesTags.STYLE) == 0) { |
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WMSStyle1_3_0 style = new WMSStyle1_3_0();
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style.parse(parser); |
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if ((style != null) && (style.getName() != null)) { |
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styles.add(style); |
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} |
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} else if (parser.getName().compareTo(CapabilitiesTags.DIMENSION) == 0) { |
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WMSDimension dim = new WMSDimension();
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dim.parse(parser); |
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if ((dim != null) && (dim.getName() != null)) { |
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addDimension(dim); |
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} |
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} else if (parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST) == 0) { |
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parseKeywordList(parser); |
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} |
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break;
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case KXmlParser.END_TAG:
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if (parser.getName().compareTo(CapabilitiesTags.LAYER) == 0) |
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end = true;
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break;
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case KXmlParser.TEXT:
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break;
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} |
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if (!end)
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currentTag = parser.next(); |
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} |
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parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.LAYER);
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} |
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/**
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* Protocol 1.3 needs change axis in some cases.
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* If coordinates are read from the tag BoundingBox (where the bounding box is
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* defined for each specific CRS) then the axis needs to change its axis order in
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* geographic projections. If coordinates are read from EX_GeographicBoundingBox
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* then the axis are in right position.
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*
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* There is to take into account that the request will have to change the axis order again
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* in cases which those had been changed.
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*/
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private BoundaryBox changeAxis(String epsg, BoundaryBox oldbbox) { |
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if(epsg.contains("CRS:84") || epsg.contains("CRS84")) |
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return oldbbox;
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try {
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IProjection projSrc = CRSFactory.getCRS(epsg); |
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if(projSrc != null && !projSrc.isProjected()) { |
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BoundaryBox bbox = new BoundaryBox();
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bbox.setXmin(oldbbox.getYmin()); |
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bbox.setYmin(oldbbox.getXmin()); |
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bbox.setXmax(oldbbox.getYmax()); |
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bbox.setYmax(oldbbox.getXmax()); |
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bbox.setSrs(oldbbox.getSrs()); |
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return bbox;
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} |
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} catch (Exception e) { |
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} |
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return oldbbox;
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} |
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/**
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* <p>Parses the EX_GeographicBoundingBox </p>
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*/
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private BoundaryBox parseEXGeographicBBTag(KXmlParser parser) throws IOException, XmlPullParserException { |
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int currentTag;
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boolean end = false; |
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BoundaryBox bbox = new BoundaryBox ();
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String value;
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parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.EX_GEOGRAPHICBOUNDINGBOX);
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currentTag = parser.next(); |
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while (!end) {
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switch(currentTag) {
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case KXmlParser.START_TAG:
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if (parser.getName().compareTo(CapabilitiesTags.WESTBOUNDLONGITUDE) == 0) { |
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value = parser.nextText(); |
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setXmin(Double.parseDouble(value));
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} else if (parser.getName().compareTo(CapabilitiesTags.EASTBOUNDLONGITUDE) == 0) { |
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value = parser.nextText(); |
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setXmax(Double.parseDouble(value));
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} else if (parser.getName().compareTo(CapabilitiesTags.NORTHBOUNDLATITUDE) == 0) { |
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value = parser.nextText(); |
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setYmax(Double.parseDouble(value));
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} else if (parser.getName().compareTo(CapabilitiesTags.SOUTHBOUNDLATITUDE) == 0) { |
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value = parser.nextText(); |
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if ((value != null) && (Utilities.isNumber(value))) |
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bbox.setYmin(Double.parseDouble(value));
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} |
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break;
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case KXmlParser.END_TAG:
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if (parser.getName().compareTo(CapabilitiesTags.EX_GEOGRAPHICBOUNDINGBOX) == 0) |
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end = true;
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break;
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case KXmlParser.TEXT:
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break;
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} |
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if (!end)
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currentTag = parser.next(); |
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} |
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parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.EX_GEOGRAPHICBOUNDINGBOX);
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//TODO:
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bbox.setSrs("CRS:84");
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return bbox;
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} |
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public String toString() { |
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return super.toString(); |
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} |
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} |