root / branches / v2_0_0_prep / libraries / libRemoteServices / src / org / gvsig / remoteclient / wmts / WMTSClient.java @ 34305
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1 | 34235 | 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.remoteclient.wmts; |
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23 | |||
24 | 34305 | nbrodin | import java.io.File; |
25 | 34235 | nbrodin | import java.io.IOException; |
26 | import java.net.ConnectException; |
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27 | import java.util.ArrayList; |
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28 | |||
29 | import org.gvsig.compat.net.ICancellable; |
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30 | 34305 | nbrodin | import org.gvsig.remoteclient.exceptions.ServerErrorException; |
31 | import org.gvsig.remoteclient.wmts.exception.WMTSException; |
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32 | 34235 | nbrodin | import org.gvsig.remoteclient.wmts.struct.WMTSLayer; |
33 | 34269 | nbrodin | import org.gvsig.remoteclient.wmts.struct.WMTSServiceIdentification; |
34 | import org.gvsig.remoteclient.wmts.struct.WMTSServiceProvider; |
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35 | 34235 | nbrodin | import org.gvsig.remoteclient.wmts.struct.WMTSThemes; |
36 | |||
37 | |||
38 | /**
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39 | * <p>Represents the class the with the necessary logic to connect to a OGCWMS and interpretate the data </p>
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40 | * @author Nacho Brodin (nachobrodin@gmail.com)
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41 | */
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42 | @SuppressWarnings("unchecked") |
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43 | public class WMTSClient extends org.gvsig.remoteclient.RasterClient { |
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44 | 34305 | nbrodin | private org.gvsig.remoteclient.wmts.WMTSProtocolHandler handler = null; |
45 | private WMTSServerDescription serverDescription = null; |
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46 | 34235 | nbrodin | |
47 | /**
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48 | * Constructor.
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49 | * the parameter host, indicates the WMS host to connect.
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50 | * */
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51 | public WMTSClient(String host) throws ConnectException, IOException { |
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52 | setHost(host); |
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53 | try {
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54 | handler = WMTSProtocolHandlerFactory.negotiate(host); |
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55 | handler.setHost(host); |
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56 | } catch(ConnectException conE) { |
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57 | conE.printStackTrace(); |
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58 | throw conE;
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59 | } catch(IOException ioE) { |
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60 | ioE.printStackTrace(); |
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61 | throw ioE;
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62 | } catch(Exception e) { |
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63 | e.printStackTrace(); |
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64 | } |
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65 | } |
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66 | |||
67 | public String getVersion() { |
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68 | return handler.getVersion();
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69 | } |
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70 | |||
71 | /**
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72 | * <p> Reads from the WMS Capabilities, the layers available in the service</p>
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73 | * @return a TreeMap with the available layers in the WMS
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74 | */
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75 | public ArrayList getLayers() { |
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76 | 34305 | nbrodin | if(serverDescription != null) |
77 | return serverDescription.getLayerList();
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78 | 34235 | nbrodin | return null; |
79 | } |
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80 | |||
81 | /**
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82 | * <p>Reads from the WMS Capabilities the number if layers available in the service</p>
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83 | * @return, number of layers available
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84 | */
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85 | public int getNumberOfLayers() { |
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86 | 34305 | nbrodin | if(serverDescription != null) |
87 | return serverDescription.getLayerList().size();
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88 | 34235 | nbrodin | return 0; |
89 | } |
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90 | |||
91 | @Override
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92 | public void close() { |
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93 | 34305 | nbrodin | serverDescription = null;
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94 | 34235 | nbrodin | handler = null;
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95 | } |
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96 | |||
97 | 34305 | nbrodin | /**
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98 | * <p>One of the three interfaces that OGC WMS defines. Request a map.</p>
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99 | * @throws ServerErrorException
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100 | */
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101 | public File getTile(WMTSStatus status, ICancellable cancel) throws WMTSException, ServerErrorException { |
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102 | return handler.getTile(status, cancel);
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103 | } |
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104 | |||
105 | 34235 | nbrodin | /**
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106 | * <p>One of the three interfaces defined by OGC WMS, it gets the service capabilities</p>
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107 | * @param override, if true the previous downloaded data will be overridden
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108 | */
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109 | 34305 | nbrodin | public void getCapabilities(WMTSServerDescription serverDescription, boolean override, ICancellable cancel) { |
110 | handler.getCapabilities(serverDescription, override, cancel); |
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111 | 34235 | nbrodin | } |
112 | |||
113 | /*
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114 | * (non-Javadoc)
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115 | * @see org.gvsig.remoteclient.RemoteClient#connect(boolean, org.gvsig.compat.net.ICancellable)
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116 | */
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117 | @Override
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118 | public boolean connect(boolean override, ICancellable cancel) { |
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119 | try {
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120 | if (handler == null) { |
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121 | if (getHost().trim().length() > 0) { |
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122 | handler = WMTSProtocolHandlerFactory.negotiate(getHost()); |
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123 | handler.setHost(getHost()); |
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124 | } else {
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125 | return false; |
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126 | } |
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127 | } |
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128 | 34305 | nbrodin | if(serverDescription == null) |
129 | serverDescription = new WMTSServerDescription(handler.getVersion());
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130 | getCapabilities(serverDescription, override, cancel); |
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131 | 34235 | nbrodin | return true; |
132 | |||
133 | } catch (Exception e) { |
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134 | e.printStackTrace(); |
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135 | return false; |
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136 | } |
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137 | } |
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138 | |||
139 | public boolean connect(ICancellable cancel) { |
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140 | return connect(false, cancel); |
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141 | } |
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142 | |||
143 | /**
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144 | * Gets the list of formats supported by a layer
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145 | * @param layerTitle
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146 | * @return
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147 | */
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148 | public ArrayList getFormats(String layerTitle) { |
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149 | 34305 | nbrodin | if(serverDescription != null) |
150 | return serverDescription.getLayerByTitle(layerTitle).getFormat();
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151 | 34235 | nbrodin | return null; |
152 | } |
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153 | |||
154 | 34269 | nbrodin | /**
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155 | * Gets the host description
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156 | * @return
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157 | */
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158 | public WMTSServiceIdentification getServiceIdentification() {
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159 | 34305 | nbrodin | if(serverDescription != null) |
160 | return serverDescription.getServiceIdentification();
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161 | 34235 | nbrodin | return null; |
162 | } |
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163 | 34269 | nbrodin | |
164 | /**
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165 | * Gets the host description
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166 | * @return
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167 | */
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168 | public WMTSServiceProvider getServiceProvider() {
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169 | 34305 | nbrodin | if(serverDescription != null) |
170 | return serverDescription.getServiceProvider();
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171 | 34269 | nbrodin | return null; |
172 | } |
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173 | 34235 | nbrodin | |
174 | /**
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175 | * Gets the list of themes
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176 | * @return
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177 | */
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178 | public WMTSThemes getThemes() {
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179 | 34305 | nbrodin | if(serverDescription != null) |
180 | return serverDescription.getThemes();
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181 | 34235 | nbrodin | return null; |
182 | } |
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183 | 34257 | nbrodin | |
184 | /**
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185 | * Gets the set of tiles definition
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186 | * @return
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187 | */
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188 | public ArrayList getTileMatrixSet() { |
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189 | 34305 | nbrodin | if(serverDescription != null) |
190 | return serverDescription.getTileMatrixSet();
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191 | 34257 | nbrodin | return null; |
192 | } |
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193 | 34235 | nbrodin | |
194 | /**
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195 | * Gets a layer
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196 | * @param layerName
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197 | * @return
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198 | */
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199 | public WMTSLayer getLayer(String layerName) { |
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200 | 34305 | nbrodin | if(serverDescription != null) { |
201 | ArrayList list = serverDescription.getLayerList();
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202 | 34235 | nbrodin | for (int i = 0; i < list.size(); i++) { |
203 | WMTSLayer layer = (WMTSLayer)list.get(i); |
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204 | if(layer.getTitle().compareTo(layerName) == 0) { |
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205 | return layer;
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206 | } |
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207 | } |
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208 | } |
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209 | return null; |
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210 | } |
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211 | } |