gvsig-raster / org.gvsig.raster.wmts / trunk / org.gvsig.raster.wmts / org.gvsig.raster.wmts.ogc / org.gvsig.raster.wmts.ogc.impl / src / main / java / org / gvsig / raster / wmts / ogc / impl / base / WMTSClientImpl.java @ 2613
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.wmts.ogc.impl.base; |
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import java.io.File; |
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import java.io.IOException; |
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import java.net.ConnectException; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.util.List; |
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import org.gvsig.compat.net.ICancellable; |
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import org.gvsig.raster.wmts.ogc.WMTSClient; |
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import org.gvsig.raster.wmts.ogc.WMTSStatus; |
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import org.gvsig.raster.wmts.ogc.exception.DownloadException; |
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import org.gvsig.raster.wmts.ogc.exception.ServerErrorException; |
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import org.gvsig.raster.wmts.ogc.exception.WMTSException; |
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import org.gvsig.raster.wmts.ogc.impl.struct.WMTSLayerImpl; |
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import org.gvsig.raster.wmts.ogc.impl.struct.WMTSServiceProviderImpl; |
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import org.gvsig.raster.wmts.ogc.struct.WMTSLayer; |
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import org.gvsig.raster.wmts.ogc.struct.WMTSServiceIdentification; |
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import org.gvsig.raster.wmts.ogc.struct.WMTSStyle; |
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import org.gvsig.raster.wmts.ogc.struct.WMTSThemes; |
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import org.gvsig.raster.wmts.ogc.struct.WMTSTileMatrixSet; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* <p>Represents the class with the necessary logic to connect to a OGCWMTS and interpret the data </p>
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class WMTSClientImpl implements WMTSClient { |
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protected String hostName; |
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protected int port; |
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protected String serviceName; |
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private String type; |
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private String subtype; |
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private WMTSProtocolHandler handler = null; |
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private WMTSServerDescription serverDescription = null; |
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protected boolean forceChangeAxisOrder = false; |
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private Logger logger = LoggerFactory.getLogger(WMTSClientImpl.class.toString()); |
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/**
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* Constructor.
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* the parameter host, indicates the WMS host to connect.
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* */
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public WMTSClientImpl(String host) throws ConnectException, IOException { |
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setHost(host); |
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getHandler(); |
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} |
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private WMTSProtocolHandler getHandler() throws ConnectException, IOException { |
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if (handler == null) { |
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if (getHost().trim().length() > 0) { |
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handler = WMTSProtocolHandlerFactory.negotiate(getHost()); |
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handler.setHost(getHost()); |
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} |
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} |
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return handler;
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} |
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/**
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* Sets longitude first in the axis order
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* @param force
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*/
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public void setForceChangeAxisOrder(boolean force) { |
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this.forceChangeAxisOrder = force;
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if(handler != null) { |
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handler.setForceChangeAxisOrder(force); |
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} |
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} |
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public String getVersion() { |
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return handler.getVersion();
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} |
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/**
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* <p> Reads from the WMS Capabilities, the layers available in the service</p>
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* @return a TreeMap with the available layers in the WMS
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*/
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public List<WMTSLayer> getLayers() { |
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if(serverDescription != null) |
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return serverDescription.getLayerList();
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return null; |
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} |
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/**
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* <p>Reads from the WMS Capabilities the number if layers available in the service</p>
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* @return, number of layers available
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*/
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public int getNumberOfLayers() { |
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if(serverDescription != null) |
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return serverDescription.getLayerList().size();
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return 0; |
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} |
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public void close() { |
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serverDescription = null;
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handler = null;
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} |
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public File getTile(String url, ICancellable cancel, File file) throws WMTSException, ServerErrorException { |
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return handler.getTile(url, cancel, file);
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} |
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/**
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* <p>Gets a tile downloading using a specific path and file.</p>
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* @throws ServerErrorException
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*/
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public synchronized File getTile(WMTSStatus status, ICancellable cancel, File file) throws WMTSException, ServerErrorException { |
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return handler.getTile((WMTSStatusImpl)status, cancel, file);
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} |
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/**
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* <p>One of the three interfaces that OGC WMS defines. Request a map.</p>
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* @throws ServerErrorException
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*/
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public synchronized File getTile(WMTSStatus status, ICancellable cancel) throws WMTSException, ServerErrorException { |
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return handler.getTile((WMTSStatusImpl)status, cancel);
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} |
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/**
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* Builds the URL to get a tile using a WMTSStatus object
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* @throws ServerErrorException
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*/
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public synchronized URL getTileURL(WMTSStatus status) throws MalformedURLException { |
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return handler.getTileURL((WMTSStatusImpl)status);
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} |
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/**
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* Downloads a file
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* @throws DownloadException
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* @throws ServerErrorException
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*/
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public synchronized File downloadFile(URL url, ICancellable cancel) throws DownloadException { |
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return handler.downloadFile(url, cancel, null); |
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} |
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/**
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* <p>One of the three interfaces defined by OGC WMS, it gets the service capabilities</p>
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* @param override, if true the previous downloaded data will be overridden
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*/
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public void getCapabilities(WMTSServerDescription serverDescription, boolean override, ICancellable cancel) { |
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handler.getCapabilities(serverDescription, override, cancel); |
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} |
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/**
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* <p>It will send a GetFeatureInfo request to the WMTS
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* Parsing the response and redirecting the info to the WMTS client</p>
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*/
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public String getFeatureInfo(WMTSStatus status, int x, int y, ICancellable cancel) { |
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return handler.getFeatureInfo((WMTSStatusImpl)status, x, y, cancel);
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} |
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/**
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* Gets the legend graphic of one layer
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*/
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public File getLegendGraphic(WMTSLayer layer, WMTSStyle style, ICancellable cancel) throws WMTSException { |
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try {
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return handler.getLegendGraphic(layer, style, cancel);
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} catch (ServerErrorException e) {
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throw new WMTSException("Error getting the legend", e); |
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} catch (DownloadException e) {
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throw new WMTSException("Error downloading the legend", e); |
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} |
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} |
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public boolean connect(boolean override, ICancellable cancel) { |
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try {
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if(getHandler() == null) |
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return false; |
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serverDescription = getHandler().getServerDescription(); |
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//getHandler().setForceLongitudeFirstAxisOrder(forceLongitudeFirstAxisOrder);
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getCapabilities(serverDescription, override, cancel); |
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return true; |
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} catch (Exception e) { |
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logger.debug("Error connecting to the server", e);
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return false; |
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} |
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} |
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public boolean connect(ICancellable cancel) { |
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return connect(false, cancel); |
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} |
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/**
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* Gets the list of formats supported by a layer
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* @param layerTitle
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* @return
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*/
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public List<String> getFormats(String layerTitle) { |
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if(serverDescription != null) |
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return serverDescription.getLayerByTitle(layerTitle).getFormat();
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return null; |
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} |
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public WMTSServiceIdentification getServiceIdentification() {
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if(serverDescription != null) |
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return serverDescription.getServiceIdentification();
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return null; |
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} |
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public WMTSServiceProviderImpl getServiceProvider() {
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if(serverDescription != null) |
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return serverDescription.getServiceProvider();
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return null; |
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} |
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/**
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* Gets the list of themes
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* @return
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*/
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public WMTSThemes getThemes() {
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if(serverDescription != null) |
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return serverDescription.getThemes();
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return null; |
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} |
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public WMTSThemes getLayerListAsThemes() {
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if(serverDescription != null) |
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return serverDescription.getLayerListAsThemes();
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return null; |
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} |
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public List<WMTSTileMatrixSet> getTileMatrixSet() { |
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if(serverDescription != null) |
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return serverDescription.getTileMatrixSet();
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return null; |
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} |
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public WMTSLayer getLayer(String layerName) { |
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if(serverDescription != null) { |
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List<WMTSLayer> list = serverDescription.getLayerList();
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for (int i = 0; i < list.size(); i++) { |
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WMTSLayerImpl layer = (WMTSLayerImpl)list.get(i); |
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if(layer.getTitle().compareTo(layerName) == 0) { |
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return layer;
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} |
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} |
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} |
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return null; |
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} |
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public String getHost() { |
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return hostName;
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} |
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public void setHost(String _hostName) { |
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hostName = _hostName; |
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} |
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public int getPort() { |
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return port;
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} |
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public void setPort(int _port) { |
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port = _port; |
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} |
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public String getServiceName() { |
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return serviceName;
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} |
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public void setServiceName(String _serviceName) { |
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serviceName = _serviceName; |
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} |
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public String getType() { |
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return type;
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} |
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public void setType(String _type) { |
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type = _type; |
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} |
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public String getSubtype() { |
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return subtype;
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} |
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public void setSubtype(String _subtype) { |
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subtype = _subtype; |
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} |
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public WMTSStatus createStatus() {
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return new WMTSStatusImpl(); |
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} |
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} |