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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1 | 2485 | nbrodin | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | package org.gvsig.raster.wmts.ogc.impl.base; |
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23 | |||
24 | import java.io.File; |
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25 | import java.io.IOException; |
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26 | import java.net.ConnectException; |
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27 | import java.net.MalformedURLException; |
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28 | import java.net.URL; |
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29 | import java.util.List; |
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30 | |||
31 | import org.gvsig.compat.net.ICancellable; |
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32 | import org.gvsig.raster.wmts.ogc.WMTSClient; |
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33 | import org.gvsig.raster.wmts.ogc.WMTSStatus; |
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34 | import org.gvsig.raster.wmts.ogc.exception.DownloadException; |
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35 | import org.gvsig.raster.wmts.ogc.exception.ServerErrorException; |
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36 | import org.gvsig.raster.wmts.ogc.exception.WMTSException; |
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37 | import org.gvsig.raster.wmts.ogc.impl.struct.WMTSLayerImpl; |
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38 | import org.gvsig.raster.wmts.ogc.impl.struct.WMTSServiceProviderImpl; |
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39 | import org.gvsig.raster.wmts.ogc.struct.WMTSLayer; |
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40 | import org.gvsig.raster.wmts.ogc.struct.WMTSServiceIdentification; |
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41 | import org.gvsig.raster.wmts.ogc.struct.WMTSStyle; |
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42 | import org.gvsig.raster.wmts.ogc.struct.WMTSThemes; |
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43 | import org.gvsig.raster.wmts.ogc.struct.WMTSTileMatrixSet; |
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44 | import org.slf4j.Logger; |
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45 | import org.slf4j.LoggerFactory; |
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46 | |||
47 | |||
48 | /**
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49 | * <p>Represents the class with the necessary logic to connect to a OGCWMTS and interpret the data </p>
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50 | * @author Nacho Brodin (nachobrodin@gmail.com)
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51 | */
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52 | public class WMTSClientImpl implements WMTSClient { |
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53 | protected String hostName; |
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54 | protected int port; |
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55 | protected String serviceName; |
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56 | private String type; |
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57 | private String subtype; |
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58 | private WMTSProtocolHandler handler = null; |
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59 | private WMTSServerDescription serverDescription = null; |
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60 | 2613 | nbrodin | protected boolean forceChangeAxisOrder = false; |
61 | 2485 | nbrodin | private Logger logger = LoggerFactory.getLogger(WMTSClientImpl.class.toString()); |
62 | |||
63 | /**
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64 | * Constructor.
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65 | * the parameter host, indicates the WMS host to connect.
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66 | * */
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67 | public WMTSClientImpl(String host) throws ConnectException, IOException { |
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68 | setHost(host); |
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69 | getHandler(); |
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70 | } |
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71 | |||
72 | private WMTSProtocolHandler getHandler() throws ConnectException, IOException { |
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73 | if (handler == null) { |
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74 | if (getHost().trim().length() > 0) { |
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75 | handler = WMTSProtocolHandlerFactory.negotiate(getHost()); |
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76 | handler.setHost(getHost()); |
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77 | } |
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78 | } |
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79 | return handler;
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80 | } |
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81 | |||
82 | /**
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83 | * Sets longitude first in the axis order
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84 | * @param force
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85 | */
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86 | 2613 | nbrodin | public void setForceChangeAxisOrder(boolean force) { |
87 | this.forceChangeAxisOrder = force;
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88 | 2485 | nbrodin | if(handler != null) { |
89 | 2613 | nbrodin | handler.setForceChangeAxisOrder(force); |
90 | 2485 | nbrodin | } |
91 | } |
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92 | |||
93 | public String getVersion() { |
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94 | return handler.getVersion();
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95 | } |
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96 | |||
97 | /**
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98 | * <p> Reads from the WMS Capabilities, the layers available in the service</p>
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99 | * @return a TreeMap with the available layers in the WMS
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100 | */
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101 | public List<WMTSLayer> getLayers() { |
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102 | if(serverDescription != null) |
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103 | return serverDescription.getLayerList();
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104 | return null; |
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105 | } |
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106 | |||
107 | /**
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108 | * <p>Reads from the WMS Capabilities the number if layers available in the service</p>
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109 | * @return, number of layers available
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110 | */
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111 | public int getNumberOfLayers() { |
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112 | if(serverDescription != null) |
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113 | return serverDescription.getLayerList().size();
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114 | return 0; |
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115 | } |
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116 | |||
117 | public void close() { |
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118 | serverDescription = null;
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119 | handler = null;
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120 | } |
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121 | |||
122 | 2602 | nbrodin | public File getTile(String url, ICancellable cancel, File file) throws WMTSException, ServerErrorException { |
123 | return handler.getTile(url, cancel, file);
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124 | } |
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125 | |||
126 | 2485 | nbrodin | /**
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127 | * <p>Gets a tile downloading using a specific path and file.</p>
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128 | * @throws ServerErrorException
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129 | */
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130 | public synchronized File getTile(WMTSStatus status, ICancellable cancel, File file) throws WMTSException, ServerErrorException { |
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131 | return handler.getTile((WMTSStatusImpl)status, cancel, file);
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132 | } |
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133 | |||
134 | /**
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135 | * <p>One of the three interfaces that OGC WMS defines. Request a map.</p>
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136 | * @throws ServerErrorException
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137 | */
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138 | public synchronized File getTile(WMTSStatus status, ICancellable cancel) throws WMTSException, ServerErrorException { |
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139 | return handler.getTile((WMTSStatusImpl)status, cancel);
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140 | } |
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141 | |||
142 | /**
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143 | * Builds the URL to get a tile using a WMTSStatus object
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144 | * @throws ServerErrorException
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145 | */
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146 | public synchronized URL getTileURL(WMTSStatus status) throws MalformedURLException { |
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147 | return handler.getTileURL((WMTSStatusImpl)status);
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148 | } |
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149 | |||
150 | /**
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151 | * Downloads a file
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152 | * @throws DownloadException
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153 | * @throws ServerErrorException
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154 | */
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155 | public synchronized File downloadFile(URL url, ICancellable cancel) throws DownloadException { |
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156 | 2602 | nbrodin | return handler.downloadFile(url, cancel, null); |
157 | 2485 | nbrodin | } |
158 | |||
159 | /**
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160 | * <p>One of the three interfaces defined by OGC WMS, it gets the service capabilities</p>
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161 | * @param override, if true the previous downloaded data will be overridden
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162 | */
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163 | public void getCapabilities(WMTSServerDescription serverDescription, boolean override, ICancellable cancel) { |
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164 | handler.getCapabilities(serverDescription, override, cancel); |
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165 | } |
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166 | |||
167 | /**
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168 | * <p>It will send a GetFeatureInfo request to the WMTS
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169 | * Parsing the response and redirecting the info to the WMTS client</p>
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170 | */
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171 | public String getFeatureInfo(WMTSStatus status, int x, int y, ICancellable cancel) { |
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172 | return handler.getFeatureInfo((WMTSStatusImpl)status, x, y, cancel);
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173 | } |
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174 | |||
175 | /**
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176 | * Gets the legend graphic of one layer
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177 | */
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178 | public File getLegendGraphic(WMTSLayer layer, WMTSStyle style, ICancellable cancel) throws WMTSException { |
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179 | try {
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180 | return handler.getLegendGraphic(layer, style, cancel);
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181 | } catch (ServerErrorException e) {
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182 | throw new WMTSException("Error getting the legend", e); |
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183 | } catch (DownloadException e) {
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184 | throw new WMTSException("Error downloading the legend", e); |
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185 | } |
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186 | } |
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187 | |||
188 | public boolean connect(boolean override, ICancellable cancel) { |
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189 | try {
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190 | if(getHandler() == null) |
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191 | return false; |
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192 | |||
193 | serverDescription = getHandler().getServerDescription(); |
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194 | 2613 | nbrodin | //getHandler().setForceLongitudeFirstAxisOrder(forceLongitudeFirstAxisOrder);
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195 | 2485 | nbrodin | getCapabilities(serverDescription, override, cancel); |
196 | return true; |
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197 | } catch (Exception e) { |
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198 | logger.debug("Error connecting to the server", e);
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199 | return false; |
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200 | } |
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201 | } |
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202 | |||
203 | public boolean connect(ICancellable cancel) { |
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204 | return connect(false, cancel); |
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205 | } |
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206 | |||
207 | /**
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208 | * Gets the list of formats supported by a layer
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209 | * @param layerTitle
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210 | * @return
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211 | */
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212 | public List<String> getFormats(String layerTitle) { |
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213 | if(serverDescription != null) |
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214 | return serverDescription.getLayerByTitle(layerTitle).getFormat();
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215 | return null; |
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216 | } |
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217 | |||
218 | public WMTSServiceIdentification getServiceIdentification() {
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219 | if(serverDescription != null) |
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220 | return serverDescription.getServiceIdentification();
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221 | return null; |
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222 | } |
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223 | |||
224 | public WMTSServiceProviderImpl getServiceProvider() {
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225 | if(serverDescription != null) |
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226 | return serverDescription.getServiceProvider();
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227 | return null; |
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228 | } |
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229 | |||
230 | /**
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231 | * Gets the list of themes
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232 | * @return
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233 | */
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234 | public WMTSThemes getThemes() {
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235 | if(serverDescription != null) |
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236 | return serverDescription.getThemes();
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237 | return null; |
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238 | } |
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239 | |||
240 | public WMTSThemes getLayerListAsThemes() {
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241 | if(serverDescription != null) |
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242 | return serverDescription.getLayerListAsThemes();
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243 | return null; |
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244 | } |
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245 | |||
246 | public List<WMTSTileMatrixSet> getTileMatrixSet() { |
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247 | if(serverDescription != null) |
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248 | return serverDescription.getTileMatrixSet();
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249 | return null; |
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250 | } |
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251 | |||
252 | public WMTSLayer getLayer(String layerName) { |
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253 | if(serverDescription != null) { |
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254 | List<WMTSLayer> list = serverDescription.getLayerList();
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255 | for (int i = 0; i < list.size(); i++) { |
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256 | WMTSLayerImpl layer = (WMTSLayerImpl)list.get(i); |
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257 | if(layer.getTitle().compareTo(layerName) == 0) { |
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258 | return layer;
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259 | } |
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260 | } |
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261 | } |
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262 | return null; |
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263 | } |
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264 | |||
265 | public String getHost() { |
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266 | return hostName;
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267 | } |
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268 | |||
269 | public void setHost(String _hostName) { |
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270 | hostName = _hostName; |
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271 | } |
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272 | |||
273 | public int getPort() { |
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274 | return port;
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275 | } |
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276 | |||
277 | public void setPort(int _port) { |
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278 | port = _port; |
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279 | } |
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280 | |||
281 | public String getServiceName() { |
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282 | return serviceName;
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283 | } |
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284 | |||
285 | public void setServiceName(String _serviceName) { |
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286 | serviceName = _serviceName; |
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287 | } |
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288 | |||
289 | public String getType() { |
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290 | return type;
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291 | } |
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292 | |||
293 | public void setType(String _type) { |
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294 | type = _type; |
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295 | } |
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296 | |||
297 | public String getSubtype() { |
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298 | return subtype;
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299 | } |
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300 | |||
301 | public void setSubtype(String _subtype) { |
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302 | subtype = _subtype; |
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303 | } |
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304 | |||
305 | public WMTSStatus createStatus() {
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306 | return new WMTSStatusImpl(); |
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307 | } |
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308 | } |