gvsig-raster / org.gvsig.raster.wmts / trunk / org.gvsig.raster.wmts / org.gvsig.raster.wmts.io / src / main / java / org / gvsig / raster / wmts / io / WMTSServerExplorer.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 | |||
23 | /*
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24 | * AUTHORS (In addition to CIT):
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25 | * 2009 IVER T.I {{Task}}
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26 | */
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27 | |||
28 | package org.gvsig.raster.wmts.io; |
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29 | |||
30 | import java.io.IOException; |
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31 | import java.io.InputStream; |
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32 | import java.net.MalformedURLException; |
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33 | import java.net.URL; |
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34 | import java.net.URLConnection; |
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35 | import java.util.List; |
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36 | |||
37 | import org.gvsig.compat.net.ICancellable; |
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38 | import org.gvsig.fmap.dal.DALLocator; |
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39 | import org.gvsig.fmap.dal.DataManager; |
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40 | import org.gvsig.fmap.dal.DataServerExplorerParameters; |
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41 | import org.gvsig.fmap.dal.DataStoreParameters; |
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42 | import org.gvsig.fmap.dal.NewDataStoreParameters; |
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43 | import org.gvsig.fmap.dal.coverage.exception.ConnectException; |
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44 | import org.gvsig.fmap.dal.coverage.store.RasterDataServerExplorer; |
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45 | import org.gvsig.fmap.dal.coverage.store.parameter.TileDataParameters; |
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46 | import org.gvsig.fmap.dal.exception.DataException; |
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47 | import org.gvsig.fmap.dal.exception.InitializeException; |
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48 | import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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49 | import org.gvsig.fmap.dal.spi.DataServerExplorerProvider; |
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50 | import org.gvsig.fmap.dal.spi.DataServerExplorerProviderServices; |
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51 | import org.gvsig.raster.wmts.ogc.WMTSClient; |
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52 | import org.gvsig.raster.wmts.ogc.WMTSOGCLocator; |
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53 | |||
54 | /**
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55 | * Explorer for a WMTS server
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56 | * @author Nacho Brodin (nachobrodin@gmail.com)
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57 | */
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58 | public class WMTSServerExplorer implements RasterDataServerExplorer, DataServerExplorerProvider { |
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59 | public static final String NAME = WMTSProvider.NAME; |
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60 | private WMTSClient ogcClient = null; |
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61 | private WMTSServerExplorerParameters parameters = null; |
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62 | |||
63 | public WMTSServerExplorer(
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64 | WMTSServerExplorerParameters parameters, |
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65 | DataServerExplorerProviderServices services) |
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66 | throws InitializeException {
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67 | this.parameters = parameters;
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68 | } |
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69 | |||
70 | public String getDataStoreProviderName() { |
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71 | return WMTSProvider.NAME;
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72 | } |
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73 | |||
74 | public String getDescription() { |
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75 | return WMTSProvider.DESCRIPTION;
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76 | } |
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77 | |||
78 | public boolean add(String provider, NewDataStoreParameters parameters, |
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79 | boolean overwrite) throws DataException { |
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80 | return false; |
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81 | } |
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82 | |||
83 | public boolean canAdd() { |
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84 | return false; |
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85 | } |
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86 | |||
87 | public boolean canAdd(String storeName) throws DataException { |
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88 | return false; |
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89 | } |
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90 | |||
91 | public NewDataStoreParameters getAddParameters(String storeName) |
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92 | throws DataException {
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93 | return null; |
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94 | } |
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95 | |||
96 | public List<?> getDataStoreProviderNames() { |
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97 | return null; |
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98 | } |
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99 | |||
100 | public DataServerExplorerParameters getParameters() {
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101 | return parameters;
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102 | } |
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103 | |||
104 | public List<?> list() throws DataException { |
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105 | return null; |
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106 | } |
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107 | |||
108 | public List<?> list(int mode) throws DataException { |
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109 | return null; |
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110 | } |
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111 | |||
112 | public void remove(DataStoreParameters parameters) throws DataException { |
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113 | |||
114 | } |
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115 | |||
116 | public void dispose() { |
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117 | |||
118 | } |
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119 | |||
120 | public String getProviderName() { |
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121 | return WMTSProvider.NAME;
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122 | } |
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123 | |||
124 | //**********************************************
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125 | //Connector
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126 | //**********************************************
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127 | |||
128 | public DataStoreParameters getStoredParameters() {
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129 | DataManager manager = DALLocator.getDataManager(); |
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130 | WMTSDataParameters wmtsParams = null;
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131 | try {
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132 | wmtsParams = (WMTSDataParameters) manager.createStoreParameters(this.getDataStoreProviderName());
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133 | wmtsParams.setURI(parameters.getHost()); |
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134 | wmtsParams.setOGCClient(getOGCClient()); |
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135 | |||
136 | if(WMTSProvider.TILED) {
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137 | TileDataParameters tileParams = (TileDataParameters) manager.createStoreParameters("Tile Store");
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138 | tileParams.setDataParameters(wmtsParams); |
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139 | return tileParams;
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140 | } |
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141 | } catch (InitializeException e) {
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142 | e.printStackTrace(); |
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143 | } catch (ProviderNotRegisteredException e) {
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144 | e.printStackTrace(); |
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145 | } |
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146 | return wmtsParams;
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147 | } |
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148 | |||
149 | public void connect(ICancellable cancellable) throws ConnectException { |
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150 | URL url = null; |
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151 | boolean override = false; |
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152 | |||
153 | try {
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154 | url = new URL(parameters.getHost()); |
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155 | } catch (Exception e) { |
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156 | throw new ConnectException("Malformed URL",e); |
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157 | } |
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158 | try {
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159 | ogcClient = WMTSOGCLocator.getManager().createWMTSClient(url.toString()); |
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160 | 2613 | nbrodin | ogcClient.setForceChangeAxisOrder(parameters.isLongitudeFirst()); |
161 | 2485 | nbrodin | if (!ogcClient.connect(override, cancellable))
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162 | throw new ConnectException("Error connecting"); |
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163 | } catch (IOException e) { |
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164 | throw new ConnectException(e.getMessage(), e); |
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165 | } |
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166 | } |
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167 | |||
168 | public boolean isHostReachable(int timeout) { |
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169 | URL url = null; |
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170 | URLConnection con = null; |
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171 | try {
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172 | url = new URL(parameters.getHost()); |
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173 | con = url.openConnection(); |
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174 | if(con == null) |
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175 | return false; |
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176 | con.connect(); |
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177 | } catch (MalformedURLException e) { |
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178 | return false; |
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179 | } catch (IOException e) { |
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180 | return false; |
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181 | } |
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182 | |||
183 | InputStream stream = null; |
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184 | try {
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185 | stream = con.getInputStream(); |
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186 | if(stream == null) |
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187 | return false; |
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188 | } catch (IOException e) { |
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189 | } |
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190 | |||
191 | return true; |
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192 | } |
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193 | |||
194 | /**
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195 | * Checks if the network and host are reachable
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196 | * @return true if both are reachable and false if they are not
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197 | */
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198 | public boolean isHostReachable() { |
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199 | return isHostReachable(RasterDataServerExplorer.TIME);
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200 | } |
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201 | |||
202 | public boolean isConnected() { |
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203 | if(ogcClient != null) |
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204 | return true; |
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205 | return false; |
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206 | } |
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207 | |||
208 | public WMTSClient getOGCClient() {
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209 | return ogcClient;
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210 | } |
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211 | |||
212 | public String getHost() { |
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213 | return parameters.getHost();
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214 | } |
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215 | |||
216 | public DataServerExplorerProviderServices getServerExplorerProviderServices() {
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217 | return null; |
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218 | } |
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219 | } |