svn-gvsig-desktop / tags / v2_0_0_Build_2020 / libraries / libRemoteServices / src / org / gvsig / remoteclient / wcs / wcs_1_0_0 / WCSProtocolHandler1_0_0.java @ 33910
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1 | 29672 | jpiera | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | package org.gvsig.remoteclient.wcs.wcs_1_0_0; |
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42 | |||
43 | import java.io.File; |
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44 | import java.io.IOException; |
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45 | |||
46 | 33738 | jpiera | import org.kxml2.io.KXmlParser; |
47 | import org.xmlpull.v1.XmlPullParserException; |
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48 | |||
49 | 29672 | jpiera | import org.gvsig.remoteclient.utils.CapabilitiesTags; |
50 | import org.gvsig.remoteclient.utils.DescribeCoverageTags; |
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51 | import org.gvsig.remoteclient.utils.EncodingXMLParser; |
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52 | import org.gvsig.remoteclient.wcs.CoverageOfferingBrief; |
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53 | import org.gvsig.remoteclient.wcs.WCSProtocolHandler; |
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54 | import org.gvsig.remoteclient.wcs.WCSStatus; |
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55 | import org.gvsig.remoteclient.wcs.request.WCSDescribeCoverageRequest; |
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56 | import org.gvsig.remoteclient.wcs.request.WCSGetCoverageRequest; |
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57 | import org.gvsig.remoteclient.wcs.wcs_1_0_0.request.WCSDescribeCoverageRequest1_0_0; |
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58 | import org.gvsig.remoteclient.wcs.wcs_1_0_0.request.WCSGetCoverageRequest1_0_0; |
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59 | |||
60 | /**
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61 | * @author jaume
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62 | *
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63 | */
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64 | public class WCSProtocolHandler1_0_0 extends WCSProtocolHandler{ |
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65 | |||
66 | public WCSProtocolHandler1_0_0() {
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67 | 31834 | jpiera | super();
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68 | 29672 | jpiera | this.version = "1.0.0"; |
69 | this.name = "WCS1.0.0"; |
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70 | } |
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71 | |||
72 | /* (non-Javadoc)
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73 | * @see org.gvsig.remoteClient.OGCProtocolHandler#parseCapabilities(java.io.File)
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74 | */
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75 | /**
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76 | * <p>Parse the xml data retrieved from the WCS, it will parse the WCS Capabilities</p>
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77 | *
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78 | */
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79 | public boolean parseCapabilities(File f) |
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80 | { |
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81 | int tag;
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82 | EncodingXMLParser parser = null;
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83 | parser = new EncodingXMLParser();
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84 | try
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85 | { |
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86 | parser.setInput(f); |
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87 | parser.nextTag(); |
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88 | |||
89 | if ( parser.getEventType() != KXmlParser.END_DOCUMENT )
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90 | { |
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91 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.WCS_CAPABILITIES_ROOT1_0_0);
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92 | tag = parser.nextTag(); |
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93 | while(tag != KXmlParser.END_DOCUMENT)
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94 | { |
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95 | switch(tag)
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96 | { |
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97 | case KXmlParser.START_TAG:
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98 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE)==0) |
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99 | { |
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100 | parseServiceTag(parser); |
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101 | } |
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102 | else if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
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103 | { |
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104 | parseCapabilityTag(parser); |
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105 | } |
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106 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_CONTENTMETADATA)==0) |
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107 | { |
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108 | parseContentMetadataTag(parser); |
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109 | } |
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110 | break;
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111 | case KXmlParser.END_TAG:
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112 | break;
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113 | case KXmlParser.TEXT:
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114 | if (parser.getName()!=null) |
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115 | System.out.println("[TEXT]["+parser.getText().trim()+"]"); |
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116 | break;
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117 | } |
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118 | tag = parser.next(); |
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119 | } |
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120 | parser.require(KXmlParser.END_DOCUMENT, null, null); |
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121 | } |
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122 | } |
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123 | catch(XmlPullParserException parser_ex){
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124 | System.out.println(parser_ex.getMessage());
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125 | parser_ex.printStackTrace(); |
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126 | return false; |
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127 | } |
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128 | catch (IOException ioe) { |
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129 | ioe.printStackTrace(); |
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130 | return false; |
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131 | } |
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132 | return true; |
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133 | } |
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134 | |||
135 | /* (non-Javadoc)
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136 | * @see org.gvsig.remoteClient.wcs.WCSProtocolHandler#parseDescribeCoverage(java.io.File)
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137 | */
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138 | public boolean parseDescribeCoverage(File f) { |
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139 | int tag;
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140 | EncodingXMLParser parser = null;
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141 | parser = new EncodingXMLParser();
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142 | try
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143 | { |
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144 | parser.setInput(f); |
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145 | parser.nextTag(); |
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146 | if (parser.getEventType() != KXmlParser.END_DOCUMENT){
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147 | parser.require(KXmlParser.START_TAG, null, DescribeCoverageTags.COVERAGE_DESCRIPTION);
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148 | tag = parser.nextTag(); |
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149 | while (tag != KXmlParser.END_DOCUMENT){
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150 | switch (tag){
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151 | case KXmlParser.START_TAG:
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152 | if (parser.getName().compareTo(DescribeCoverageTags.COVERAGE_OFFERING)==0){ |
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153 | WCSCoverage1_0_0 lyr = new WCSCoverage1_0_0();
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154 | lyr.parse(parser); |
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155 | if (lyr!=null){ |
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156 | layerPool.put(lyr.getName(), lyr); |
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157 | } |
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158 | } |
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159 | break;
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160 | } |
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161 | tag = parser.next(); |
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162 | } |
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163 | parser.require(KXmlParser.END_DOCUMENT, null, null); |
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164 | } |
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165 | } catch (XmlPullParserException e) {
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166 | System.out.println(e.getMessage());
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167 | e.printStackTrace(); |
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168 | return false; |
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169 | } |
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170 | catch (IOException ioe) { |
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171 | ioe.printStackTrace(); |
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172 | return false; |
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173 | } |
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174 | return true; |
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175 | } |
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176 | |||
177 | |||
178 | /**
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179 | * <p>Parses the Capability Tag </p>
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180 | */
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181 | private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
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182 | { |
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183 | int currentTag;
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184 | boolean end = false; |
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185 | |||
186 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
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187 | currentTag = parser.next(); |
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188 | |||
189 | while (!end)
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190 | { |
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191 | switch(currentTag)
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192 | { |
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193 | case KXmlParser.START_TAG:
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194 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
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195 | { |
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196 | parseRequestTag(parser); |
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197 | } |
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198 | else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
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199 | { |
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200 | //TODO Parse exception tags...
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201 | parser.skipSubTree(); |
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202 | } |
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203 | else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
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204 | (parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
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205 | { |
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206 | parser.skipSubTree(); |
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207 | } |
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208 | break;
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209 | case KXmlParser.END_TAG:
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210 | if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
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211 | end = true;
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212 | break;
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213 | case KXmlParser.TEXT:
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214 | break;
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215 | } |
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216 | currentTag = parser.next(); |
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217 | } |
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218 | } |
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219 | |||
220 | |||
221 | /**
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222 | * <p>Parses the Service Information </p>
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223 | */
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224 | private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
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225 | { |
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226 | int currentTag;
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227 | boolean end = false; |
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228 | |||
229 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
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230 | currentTag = parser.next(); |
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231 | |||
232 | while (!end)
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233 | { |
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234 | switch(currentTag)
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235 | { |
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236 | case KXmlParser.START_TAG:
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237 | if (parser.getName().compareToIgnoreCase(CapabilitiesTags.NAME)==0) |
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238 | { |
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239 | serviceInfo.name = parser.nextText(); |
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240 | } |
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241 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_LABEL)==0) |
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242 | { |
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243 | serviceInfo.title = parser.nextText(); |
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244 | } |
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245 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_DESCRIPTION)==0) |
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246 | { |
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247 | serviceInfo.abstr = parser.nextText(); |
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248 | } |
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249 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_KEYWORDS)==0) |
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250 | { |
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251 | parser.skipSubTree(); |
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252 | } |
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253 | else if (parser.getName().compareTo(CapabilitiesTags.ACCESSCONSTRAINTS)==0) |
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254 | { |
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255 | parser.skipSubTree(); |
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256 | } |
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257 | else if (parser.getName().compareTo(CapabilitiesTags.FEES)==0) |
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258 | { |
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259 | parser.skipSubTree(); |
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260 | } |
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261 | |||
262 | break;
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263 | case KXmlParser.END_TAG:
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264 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
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265 | end = true;
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266 | break;
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267 | case KXmlParser.TEXT:
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268 | break;
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269 | } |
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270 | currentTag = parser.next(); |
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271 | } |
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272 | // parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
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273 | } |
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274 | |||
275 | /**
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276 | * <p>Parses the Request tag </p>
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277 | */
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278 | private void parseRequestTag(KXmlParser parser) throws IOException, XmlPullParserException |
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279 | { |
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280 | int currentTag;
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281 | boolean end = false; |
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282 | |||
283 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.REQUEST);
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284 | currentTag = parser.next(); |
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285 | |||
286 | while (!end)
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287 | { |
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288 | switch(currentTag)
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289 | { |
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290 | case KXmlParser.START_TAG:
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291 | if (parser.getName().compareTo(CapabilitiesTags.GETCAPABILITIES)==0) |
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292 | { |
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293 | currentTag = parser.nextTag(); |
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294 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.DCPTYPE);
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295 | { |
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296 | currentTag = parser.nextTag(); |
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297 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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298 | { |
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299 | currentTag = parser.nextTag(); |
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300 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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301 | { |
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302 | currentTag = parser.nextTag(); |
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303 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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304 | { |
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305 | String value = new String(); |
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306 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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307 | if (value != null){ |
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308 | serviceInfo.operations.put(value, null);
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309 | } |
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310 | } |
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311 | } |
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312 | } |
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313 | } |
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314 | |||
315 | } |
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316 | else if (parser.getName().compareTo(CapabilitiesTags.DESCRIBECOVERAGE)==0) |
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317 | { |
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318 | currentTag = parser.nextTag(); |
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319 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.DCPTYPE);
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320 | { |
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321 | currentTag = parser.nextTag(); |
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322 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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323 | { |
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324 | currentTag = parser.nextTag(); |
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325 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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326 | { |
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327 | currentTag = parser.nextTag(); |
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328 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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329 | { |
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330 | String value = new String(); |
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331 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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332 | if (value != null){ |
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333 | serviceInfo.operations.put(value, null);
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334 | } |
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335 | } |
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336 | } |
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337 | } |
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338 | } |
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339 | } |
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340 | else if (parser.getName().compareTo(CapabilitiesTags.GETCOVERAGE)==0) |
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341 | { |
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342 | currentTag = parser.nextTag(); |
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343 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.DCPTYPE);
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344 | { |
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345 | currentTag = parser.nextTag(); |
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346 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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347 | { |
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348 | currentTag = parser.nextTag(); |
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349 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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350 | { |
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351 | currentTag = parser.nextTag(); |
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352 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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353 | { |
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354 | String value = new String(); |
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355 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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356 | if (value != null){ |
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357 | serviceInfo.operations.put(value, null);
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358 | } |
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359 | } |
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360 | } |
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361 | } |
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362 | } |
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363 | } |
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364 | break;
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365 | case KXmlParser.END_TAG:
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366 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST) == 0) |
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367 | end = true;
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368 | break;
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369 | case KXmlParser.TEXT:
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370 | break;
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371 | } |
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372 | currentTag = parser.next(); |
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373 | } |
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374 | // TODO: does not get such a tag when arrives here!!!!!!
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375 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.REQUEST);
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376 | } |
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377 | |||
378 | private void parseContentMetadataTag(KXmlParser parser) throws XmlPullParserException, IOException { |
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379 | int currentTag;
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380 | boolean end = false; |
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381 | |||
382 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.WCS_CONTENTMETADATA);
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383 | currentTag = parser.next(); |
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384 | |||
385 | while (!end)
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386 | { |
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387 | switch(currentTag)
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388 | { |
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389 | case KXmlParser.START_TAG:
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390 | if (parser.getName().compareTo("wcs:"+CapabilitiesTags.WCS_COVERAGEOFFERINGBRIEF)==0) { |
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391 | CoverageOfferingBrief cob = new CoverageOfferingBrief();
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392 | cob.parse(parser); |
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393 | layerPool.put(cob.getName(), cob); |
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394 | } |
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395 | break;
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396 | case KXmlParser.END_TAG:
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397 | if (parser.getName().compareTo(CapabilitiesTags.WCS_CONTENTMETADATA) == 0) |
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398 | end = true;
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399 | break;
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400 | case KXmlParser.TEXT:
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401 | break;
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402 | } |
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403 | currentTag = parser.next(); |
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404 | } |
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405 | // TODO: does not get such a tag when arrives here!!!!!!
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406 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.REQUEST);
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407 | } |
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408 | |||
409 | /*
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410 | * (non-Javadoc)
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411 | * @see org.gvsig.remoteClient.wcs.WCSProtocolHandler#createDescribeCoverageRequest(org.gvsig.remoteClient.wcs.WCSStatus)
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412 | */
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413 | public WCSDescribeCoverageRequest createDescribeCoverageRequest(
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414 | WCSStatus status) { |
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415 | return new WCSDescribeCoverageRequest1_0_0(status, this); |
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416 | } |
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417 | |||
418 | /*
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419 | * (non-Javadoc)
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420 | * @see org.gvsig.remoteClient.wcs.WCSProtocolHandler#createGetCoverageRequest(org.gvsig.remoteClient.wcs.WCSStatus)
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421 | */
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422 | public WCSGetCoverageRequest createGetCoverageRequest(WCSStatus status) {
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423 | return new WCSGetCoverageRequest1_0_0(status, this); |
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424 | } |
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425 | } |