svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.remoteclient / src / main / java / org / gvsig / remoteclient / wcs / wcs_1_0_0 / WCSProtocolHandler1_0_0.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40559 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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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 | 40559 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * 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 | 40559 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40559 | jjdelcerro | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | 40435 | jjdelcerro | */
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24 | package org.gvsig.remoteclient.wcs.wcs_1_0_0; |
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25 | |||
26 | import java.io.File; |
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27 | import java.io.IOException; |
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28 | |||
29 | import org.kxml2.io.KXmlParser; |
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30 | import org.xmlpull.v1.XmlPullParserException; |
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31 | |||
32 | import org.gvsig.remoteclient.utils.CapabilitiesTags; |
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33 | import org.gvsig.remoteclient.utils.DescribeCoverageTags; |
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34 | import org.gvsig.remoteclient.utils.EncodingXMLParser; |
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35 | import org.gvsig.remoteclient.wcs.CoverageOfferingBrief; |
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36 | import org.gvsig.remoteclient.wcs.WCSProtocolHandler; |
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37 | import org.gvsig.remoteclient.wcs.WCSStatus; |
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38 | import org.gvsig.remoteclient.wcs.request.WCSDescribeCoverageRequest; |
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39 | import org.gvsig.remoteclient.wcs.request.WCSGetCoverageRequest; |
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40 | import org.gvsig.remoteclient.wcs.wcs_1_0_0.request.WCSDescribeCoverageRequest1_0_0; |
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41 | import org.gvsig.remoteclient.wcs.wcs_1_0_0.request.WCSGetCoverageRequest1_0_0; |
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42 | |||
43 | /**
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44 | * @author jaume
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45 | *
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46 | */
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47 | public class WCSProtocolHandler1_0_0 extends WCSProtocolHandler{ |
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48 | |||
49 | public WCSProtocolHandler1_0_0() {
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50 | super();
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51 | this.version = "1.0.0"; |
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52 | this.name = "WCS1.0.0"; |
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53 | } |
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54 | |||
55 | /* (non-Javadoc)
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56 | * @see org.gvsig.remoteClient.OGCProtocolHandler#parseCapabilities(java.io.File)
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57 | */
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58 | /**
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59 | * <p>Parse the xml data retrieved from the WCS, it will parse the WCS Capabilities</p>
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60 | *
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61 | */
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62 | public boolean parseCapabilities(File f) |
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63 | { |
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64 | int tag;
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65 | EncodingXMLParser parser = null;
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66 | parser = new EncodingXMLParser();
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67 | try
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68 | { |
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69 | parser.setInput(f); |
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70 | parser.nextTag(); |
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71 | |||
72 | if ( parser.getEventType() != KXmlParser.END_DOCUMENT )
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73 | { |
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74 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.WCS_CAPABILITIES_ROOT1_0_0);
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75 | tag = parser.nextTag(); |
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76 | while(tag != KXmlParser.END_DOCUMENT)
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77 | { |
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78 | switch(tag)
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79 | { |
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80 | case KXmlParser.START_TAG:
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81 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE)==0) |
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82 | { |
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83 | parseServiceTag(parser); |
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84 | } |
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85 | else if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
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86 | { |
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87 | parseCapabilityTag(parser); |
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88 | } |
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89 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_CONTENTMETADATA)==0) |
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90 | { |
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91 | parseContentMetadataTag(parser); |
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92 | } |
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93 | break;
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94 | case KXmlParser.END_TAG:
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95 | break;
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96 | case KXmlParser.TEXT:
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97 | if (parser.getName()!=null) |
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98 | System.out.println("[TEXT]["+parser.getText().trim()+"]"); |
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99 | break;
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100 | } |
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101 | tag = parser.next(); |
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102 | } |
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103 | parser.require(KXmlParser.END_DOCUMENT, null, null); |
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104 | } |
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105 | } |
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106 | catch(XmlPullParserException parser_ex){
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107 | System.out.println(parser_ex.getMessage());
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108 | parser_ex.printStackTrace(); |
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109 | return false; |
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110 | } |
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111 | catch (IOException ioe) { |
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112 | ioe.printStackTrace(); |
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113 | return false; |
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114 | } |
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115 | return true; |
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116 | } |
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117 | |||
118 | /* (non-Javadoc)
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119 | * @see org.gvsig.remoteClient.wcs.WCSProtocolHandler#parseDescribeCoverage(java.io.File)
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120 | */
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121 | public boolean parseDescribeCoverage(File f) { |
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122 | int tag;
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123 | EncodingXMLParser parser = null;
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124 | parser = new EncodingXMLParser();
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125 | try
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126 | { |
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127 | parser.setInput(f); |
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128 | parser.nextTag(); |
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129 | if (parser.getEventType() != KXmlParser.END_DOCUMENT){
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130 | parser.require(KXmlParser.START_TAG, null, DescribeCoverageTags.COVERAGE_DESCRIPTION);
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131 | tag = parser.nextTag(); |
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132 | while (tag != KXmlParser.END_DOCUMENT){
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133 | switch (tag){
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134 | case KXmlParser.START_TAG:
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135 | if (parser.getName().compareTo(DescribeCoverageTags.COVERAGE_OFFERING)==0){ |
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136 | WCSCoverage1_0_0 lyr = new WCSCoverage1_0_0();
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137 | lyr.parse(parser); |
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138 | if (lyr!=null){ |
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139 | layerPool.put(lyr.getName(), lyr); |
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140 | } |
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141 | } |
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142 | break;
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143 | } |
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144 | tag = parser.next(); |
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145 | } |
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146 | parser.require(KXmlParser.END_DOCUMENT, null, null); |
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147 | } |
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148 | } catch (XmlPullParserException e) {
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149 | System.out.println(e.getMessage());
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150 | e.printStackTrace(); |
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151 | return false; |
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152 | } |
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153 | catch (IOException ioe) { |
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154 | ioe.printStackTrace(); |
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155 | return false; |
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156 | } |
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157 | return true; |
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158 | } |
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159 | |||
160 | |||
161 | /**
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162 | * <p>Parses the Capability Tag </p>
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163 | */
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164 | private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
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165 | { |
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166 | int currentTag;
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167 | boolean end = false; |
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168 | |||
169 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
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170 | currentTag = parser.next(); |
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171 | |||
172 | while (!end)
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173 | { |
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174 | switch(currentTag)
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175 | { |
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176 | case KXmlParser.START_TAG:
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177 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
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178 | { |
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179 | parseRequestTag(parser); |
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180 | } |
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181 | else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
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182 | { |
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183 | //TODO Parse exception tags...
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184 | parser.skipSubTree(); |
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185 | } |
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186 | else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
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187 | (parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
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188 | { |
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189 | parser.skipSubTree(); |
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190 | } |
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191 | break;
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192 | case KXmlParser.END_TAG:
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193 | if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
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194 | end = true;
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195 | break;
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196 | case KXmlParser.TEXT:
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197 | break;
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198 | } |
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199 | currentTag = parser.next(); |
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200 | } |
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201 | } |
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202 | |||
203 | |||
204 | /**
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205 | * <p>Parses the Service Information </p>
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206 | */
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207 | private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
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208 | { |
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209 | int currentTag;
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210 | boolean end = false; |
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211 | |||
212 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
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213 | currentTag = parser.next(); |
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214 | |||
215 | while (!end)
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216 | { |
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217 | switch(currentTag)
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218 | { |
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219 | case KXmlParser.START_TAG:
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220 | if (parser.getName().compareToIgnoreCase(CapabilitiesTags.NAME)==0) |
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221 | { |
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222 | serviceInfo.name = parser.nextText(); |
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223 | } |
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224 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_LABEL)==0) |
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225 | { |
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226 | serviceInfo.title = parser.nextText(); |
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227 | } |
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228 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_DESCRIPTION)==0) |
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229 | { |
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230 | serviceInfo.abstr = parser.nextText(); |
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231 | } |
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232 | else if (parser.getName().compareTo(CapabilitiesTags.WCS_KEYWORDS)==0) |
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233 | { |
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234 | parser.skipSubTree(); |
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235 | } |
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236 | else if (parser.getName().compareTo(CapabilitiesTags.ACCESSCONSTRAINTS)==0) |
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237 | { |
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238 | parser.skipSubTree(); |
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239 | } |
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240 | else if (parser.getName().compareTo(CapabilitiesTags.FEES)==0) |
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241 | { |
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242 | parser.skipSubTree(); |
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243 | } |
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244 | |||
245 | break;
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246 | case KXmlParser.END_TAG:
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247 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
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248 | end = true;
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249 | break;
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250 | case KXmlParser.TEXT:
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251 | break;
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252 | } |
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253 | currentTag = parser.next(); |
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254 | } |
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255 | // parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
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256 | } |
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257 | |||
258 | /**
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259 | * <p>Parses the Request tag </p>
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260 | */
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261 | private void parseRequestTag(KXmlParser parser) throws IOException, XmlPullParserException |
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262 | { |
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263 | int currentTag;
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264 | boolean end = false; |
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265 | |||
266 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.REQUEST);
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267 | currentTag = parser.next(); |
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268 | |||
269 | while (!end)
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270 | { |
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271 | switch(currentTag)
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272 | { |
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273 | case KXmlParser.START_TAG:
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274 | if (parser.getName().compareTo(CapabilitiesTags.GETCAPABILITIES)==0) |
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275 | { |
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276 | currentTag = parser.nextTag(); |
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277 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.DCPTYPE);
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278 | { |
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279 | currentTag = parser.nextTag(); |
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280 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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281 | { |
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282 | currentTag = parser.nextTag(); |
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283 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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284 | { |
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285 | currentTag = parser.nextTag(); |
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286 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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287 | { |
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288 | String value = new String(); |
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289 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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290 | if (value != null){ |
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291 | serviceInfo.operations.put(value, null);
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292 | } |
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293 | } |
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294 | } |
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295 | } |
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296 | } |
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297 | |||
298 | } |
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299 | else if (parser.getName().compareTo(CapabilitiesTags.DESCRIBECOVERAGE)==0) |
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300 | { |
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301 | currentTag = parser.nextTag(); |
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302 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.DCPTYPE);
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303 | { |
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304 | currentTag = parser.nextTag(); |
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305 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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306 | { |
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307 | currentTag = parser.nextTag(); |
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308 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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309 | { |
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310 | currentTag = parser.nextTag(); |
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311 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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312 | { |
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313 | String value = new String(); |
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314 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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315 | if (value != null){ |
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316 | serviceInfo.operations.put(value, null);
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317 | } |
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318 | } |
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319 | } |
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320 | } |
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321 | } |
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322 | } |
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323 | else if (parser.getName().compareTo(CapabilitiesTags.GETCOVERAGE)==0) |
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324 | { |
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325 | currentTag = parser.nextTag(); |
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326 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.DCPTYPE);
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327 | { |
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328 | currentTag = parser.nextTag(); |
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329 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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330 | { |
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331 | currentTag = parser.nextTag(); |
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332 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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333 | { |
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334 | currentTag = parser.nextTag(); |
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335 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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336 | { |
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337 | String value = new String(); |
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338 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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339 | if (value != null){ |
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340 | serviceInfo.operations.put(value, null);
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341 | } |
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342 | } |
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343 | } |
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344 | } |
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345 | } |
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346 | } |
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347 | break;
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348 | case KXmlParser.END_TAG:
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349 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST) == 0) |
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350 | end = true;
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351 | break;
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352 | case KXmlParser.TEXT:
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353 | break;
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354 | } |
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355 | currentTag = parser.next(); |
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356 | } |
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357 | // TODO: does not get such a tag when arrives here!!!!!!
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358 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.REQUEST);
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359 | } |
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360 | |||
361 | private void parseContentMetadataTag(KXmlParser parser) throws XmlPullParserException, IOException { |
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362 | int currentTag;
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363 | boolean end = false; |
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364 | |||
365 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.WCS_CONTENTMETADATA);
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366 | currentTag = parser.next(); |
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367 | |||
368 | while (!end)
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369 | { |
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370 | switch(currentTag)
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371 | { |
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372 | case KXmlParser.START_TAG:
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373 | if (parser.getName().compareTo("wcs:"+CapabilitiesTags.WCS_COVERAGEOFFERINGBRIEF)==0) { |
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374 | CoverageOfferingBrief cob = new CoverageOfferingBrief();
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375 | cob.parse(parser); |
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376 | layerPool.put(cob.getName(), cob); |
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377 | } |
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378 | break;
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379 | case KXmlParser.END_TAG:
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380 | if (parser.getName().compareTo(CapabilitiesTags.WCS_CONTENTMETADATA) == 0) |
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381 | end = true;
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382 | break;
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383 | case KXmlParser.TEXT:
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384 | break;
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385 | } |
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386 | currentTag = parser.next(); |
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387 | } |
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388 | // TODO: does not get such a tag when arrives here!!!!!!
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389 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.REQUEST);
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390 | } |
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391 | |||
392 | /*
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393 | * (non-Javadoc)
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394 | * @see org.gvsig.remoteClient.wcs.WCSProtocolHandler#createDescribeCoverageRequest(org.gvsig.remoteClient.wcs.WCSStatus)
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395 | */
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396 | public WCSDescribeCoverageRequest createDescribeCoverageRequest(
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397 | WCSStatus status) { |
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398 | return new WCSDescribeCoverageRequest1_0_0(status, this); |
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399 | } |
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400 | |||
401 | /*
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402 | * (non-Javadoc)
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403 | * @see org.gvsig.remoteClient.wcs.WCSProtocolHandler#createGetCoverageRequest(org.gvsig.remoteClient.wcs.WCSStatus)
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404 | */
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405 | public WCSGetCoverageRequest createGetCoverageRequest(WCSStatus status) {
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406 | return new WCSGetCoverageRequest1_0_0(status, this); |
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407 | } |
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408 | } |