svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.remoteclient / src / main / java / org / gvsig / remoteclient / wms / wms_1_1_1 / WMSProtocolHandler1_1_1.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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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 3
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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 | * 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 | */
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24 | 40435 | jjdelcerro | |
25 | package org.gvsig.remoteclient.wms.wms_1_1_1; |
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26 | |||
27 | import java.io.ByteArrayInputStream; |
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28 | import java.io.File; |
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29 | import java.io.IOException; |
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30 | import java.util.ArrayList; |
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31 | import java.util.TreeMap; |
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32 | |||
33 | import org.kxml2.io.KXmlParser; |
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34 | import org.xmlpull.v1.XmlPullParserException; |
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35 | |||
36 | import org.gvsig.remoteclient.utils.CapabilitiesTags; |
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37 | import org.gvsig.remoteclient.utils.EncodingXMLParser; |
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38 | import org.gvsig.remoteclient.utils.ExceptionTags; |
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39 | import org.gvsig.remoteclient.wms.WMSProtocolHandler; |
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40 | import org.gvsig.remoteclient.wms.WMSServiceInformation; |
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41 | import org.gvsig.remoteclient.wms.WMSStatus; |
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42 | import org.gvsig.remoteclient.wms.request.WMSGetCapabilitiesRequest; |
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43 | import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest; |
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44 | import org.gvsig.remoteclient.wms.request.WMSGetLegendGraphicRequest; |
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45 | import org.gvsig.remoteclient.wms.request.WMSGetMapRequest; |
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46 | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetCapabilitiesRequest1_1_1; |
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47 | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetFeatureInfoRequest1_1_1; |
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48 | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetLegendGraphicRequest1_1_1; |
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49 | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetMapRequest1_1_1; |
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50 | |||
51 | /**
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52 | * <p>
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53 | * Describes the handler to comunicate to a WMS 1.1.1
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54 | * </p>
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55 | */
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56 | public class WMSProtocolHandler1_1_1 extends WMSProtocolHandler { |
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57 | private WMSLayer1_1_1 fakeRootLayer;
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58 | |||
59 | public WMSProtocolHandler1_1_1()
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60 | { |
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61 | this.version = "1.1.1"; |
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62 | this.name = "WMS1.1.1"; |
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63 | this.serviceInfo = new WMSServiceInformation(); |
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64 | this.layers = new TreeMap(); |
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65 | } |
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66 | |||
67 | //------------------------------------------------------------------------------
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68 | // Parsing methods....
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69 | //------------------------------------------------------------------------------
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70 | |||
71 | public boolean parseCapabilities(File f) |
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72 | { |
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73 | rootLayer = null;
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74 | rootLayer = null;
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75 | int tag;
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76 | EncodingXMLParser kxmlParser = null;
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77 | kxmlParser = new EncodingXMLParser();
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78 | try
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79 | { |
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80 | // FileReader reader = new FileReader(f);
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81 | // BufferedReader br = new BufferedReader(reader);
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82 | //
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83 | // // patch for ArcIMS + WMS connector > 9.0 bug
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84 | // char[] buffer = new char[(int) f.length()];
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85 | // br.read(buffer);
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86 | // String string = new String(buffer);
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87 | // int a = string.toLowerCase().indexOf("<?xml");
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88 | // if (a !=-1) {
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89 | // string = string.substring(a, string.length());
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90 | // kxmlParser.setInput(string);
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91 | // } else
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92 | // end patch
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93 | kxmlParser.setInput(f); |
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94 | |||
95 | kxmlParser.nextTag(); |
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96 | if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
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97 | { |
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98 | kxmlParser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT1_1_1);
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99 | tag = kxmlParser.nextTag(); |
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100 | while(tag != KXmlParser.END_DOCUMENT)
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101 | { |
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102 | switch(tag)
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103 | { |
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104 | |||
105 | case KXmlParser.START_TAG:
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106 | if (kxmlParser.getName().compareTo(CapabilitiesTags.SERVICE )==0) |
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107 | { |
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108 | parseServiceTag(kxmlParser); |
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109 | } |
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110 | else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
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111 | { |
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112 | parseCapabilityTag(kxmlParser); |
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113 | } |
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114 | break;
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115 | case KXmlParser.END_TAG:
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116 | break;
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117 | case KXmlParser.TEXT:
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118 | //System.out.println("[TEXT]["+kxmlParser.getText()+"]");
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119 | break;
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120 | } |
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121 | tag = kxmlParser.next(); |
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122 | } |
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123 | kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
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124 | } |
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125 | } |
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126 | catch(XmlPullParserException parser_ex){
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127 | parser_ex.printStackTrace(); |
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128 | return false; |
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129 | } |
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130 | catch (IOException ioe) { |
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131 | ioe.printStackTrace(); |
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132 | return false; |
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133 | } finally {
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134 | return true; |
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135 | } |
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136 | // In the parsing process the layer has been filled
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137 | } |
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138 | |||
139 | /**
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140 | * <p>Parses the Service Information </p>
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141 | */
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142 | private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
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143 | { |
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144 | int currentTag;
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145 | boolean end = false; |
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146 | |||
147 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
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148 | currentTag = parser.next(); |
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149 | |||
150 | while (!end)
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151 | { |
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152 | switch(currentTag)
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153 | { |
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154 | case KXmlParser.START_TAG:
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155 | if (parser.getName().compareTo(CapabilitiesTags.NAME)==0) |
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156 | { |
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157 | serviceInfo.name = parser.nextText(); |
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158 | } |
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159 | else if (parser.getName().compareTo(CapabilitiesTags.TITLE)==0) |
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160 | { |
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161 | serviceInfo.title = parser.nextText(); |
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162 | } |
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163 | else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT)==0) |
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164 | { |
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165 | serviceInfo.abstr = parser.nextText(); |
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166 | } |
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167 | else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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168 | { |
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169 | String value = new String(); |
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170 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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171 | if (value != null){ |
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172 | serviceInfo.online_resource = value; |
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173 | } |
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174 | } |
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175 | else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
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176 | (parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
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177 | { |
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178 | parser.skipSubTree(); |
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179 | } |
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180 | break;
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181 | case KXmlParser.END_TAG:
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182 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
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183 | end = true;
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184 | break;
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185 | case KXmlParser.TEXT:
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186 | break;
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187 | } |
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188 | if (!end)
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189 | currentTag = parser.next(); |
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190 | } |
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191 | parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
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192 | } |
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193 | /**
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194 | * <p>Parses the Capability Tag </p>
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195 | */
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196 | private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
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197 | { |
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198 | int currentTag;
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199 | boolean end = false; |
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200 | |||
201 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
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202 | currentTag = parser.next(); |
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203 | |||
204 | while (!end)
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205 | { |
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206 | switch(currentTag)
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207 | { |
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208 | case KXmlParser.START_TAG:
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209 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
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210 | { |
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211 | parseRequestTag(parser); |
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212 | } |
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213 | else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
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214 | { |
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215 | //TODO:
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216 | //Add to serviceInfo the supported formats for the exceptions????
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217 | } |
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218 | else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
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219 | { |
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220 | WMSLayer1_1_1 lyr = new WMSLayer1_1_1();
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221 | lyr.parse(parser, layers); |
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222 | |||
223 | if (rootLayer == null) |
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224 | rootLayer = lyr; |
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225 | else {
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226 | // Handles when there is no general root layer, will use
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227 | // a fake non-queryable one.
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228 | if (!rootLayer.equals(getFakeRootLayer())){
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229 | WMSLayer1_1_1 aux = (WMSLayer1_1_1) rootLayer; |
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230 | rootLayer = getFakeRootLayer(); |
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231 | rootLayer.getChildren().add(aux); |
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232 | } |
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233 | rootLayer.getChildren().add(lyr); |
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234 | } |
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235 | |||
236 | if (lyr.getName()!=null) |
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237 | layers.put(lyr.getName(), lyr); |
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238 | |||
239 | // Collection layerCollection = layers.values();
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240 | // Iterator iter = layerCollection.iterator();
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241 | // while (iter.hasNext())
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242 | // {
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243 | // WMSLayer1_1_1 layer = (WMSLayer1_1_1)iter.next();
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244 | // //Add all the SRS that the layer supports to the WMSProtocolHandler if they dont exist already
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245 | // for (i=0;i<layer.getAllSrs().size();i++)
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246 | // {
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247 | //// if (!layer.srs.contains(layer.getAllSrs().elementAt(i)))
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248 | //// {
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249 | //// this.srs.add(layer.getAllSrs().elementAt(i));
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250 | //// }
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251 | // }
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252 | // }
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253 | } |
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254 | else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
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255 | (parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
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256 | |||
257 | { |
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258 | parser.skipSubTree(); |
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259 | } |
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260 | break;
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261 | case KXmlParser.END_TAG:
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262 | if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
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263 | end = true;
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264 | break;
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265 | case KXmlParser.TEXT:
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266 | break;
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267 | } |
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268 | if (!end)
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269 | currentTag = parser.next(); |
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270 | } |
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271 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
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272 | } |
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273 | |||
274 | private WMSLayer1_1_1 getFakeRootLayer(){
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275 | if (fakeRootLayer == null){ |
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276 | fakeRootLayer = new WMSLayer1_1_1();
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277 | fakeRootLayer.setTitle(serviceInfo.title); |
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278 | fakeRootLayer.setQueryable(false);
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279 | fakeRootLayer.setName(null);
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280 | } |
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281 | return fakeRootLayer;
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282 | } |
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283 | /* (non-Javadoc)
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284 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
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285 | */
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286 | protected String parseException(byte[] data) { |
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287 | ArrayList errors = new ArrayList(); |
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288 | KXmlParser kxmlParser = new KXmlParser();
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289 | try
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290 | { |
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291 | kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
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292 | int tag;
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293 | |||
294 | boolean end = false; |
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295 | tag = kxmlParser.nextTag(); |
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296 | |||
297 | //Comentar temporalmente para subsanar el hecho de que SimonCit me devuelve las capabilities en un GetLegendGraphic!!!
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298 | kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
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299 | |||
300 | while (!end)
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301 | { |
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302 | switch(tag)
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303 | { |
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304 | case KXmlParser.START_TAG:
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305 | if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
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306 | String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
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307 | errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
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308 | String errorMessage = kxmlParser.nextText();
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309 | errors.add(errorCode+errorMessage); |
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310 | } |
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311 | break;
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312 | case KXmlParser.END_TAG:
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313 | if (kxmlParser.getName().compareTo(ExceptionTags.EXCEPTION_ROOT) == 0) |
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314 | end = true;
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315 | break;
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316 | } |
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317 | if (!end)
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318 | { |
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319 | tag = kxmlParser.nextTag(); |
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320 | } |
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321 | } |
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322 | } |
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323 | catch(XmlPullParserException parser_ex){
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324 | System.out.println(parser_ex.getMessage());
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325 | parser_ex.printStackTrace(); |
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326 | } |
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327 | catch (IOException ioe) { |
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328 | ioe.printStackTrace(); |
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329 | } |
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330 | String message = errors.size()>0? "" : null; |
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331 | for (int i = 0; i < errors.size(); i++) { |
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332 | message += (String) errors.get(i)+"\n"; |
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333 | } |
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334 | return message;
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335 | } |
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336 | |||
337 | /*
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338 | * (non-Javadoc)
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339 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetFeatureInfoRequest(org.gvsig.remoteClient.wms.WMSStatus, int, int)
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340 | */
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341 | protected WMSGetFeatureInfoRequest createGetFeatureInfoRequest(
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342 | WMSStatus status, int x, int y) { |
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343 | return new WMSGetFeatureInfoRequest1_1_1(status, this, x, y); |
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344 | } |
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345 | |||
346 | /*
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347 | * (non-Javadoc)
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348 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetMapRequest(org.gvsig.remoteClient.wms.WMSStatus)
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349 | */
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350 | protected WMSGetMapRequest createGetMapRequest(WMSStatus status) {
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351 | return new WMSGetMapRequest1_1_1(status, this); |
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352 | } |
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353 | |||
354 | /*
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355 | * (non-Javadoc)
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356 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetLegendGraphicRequest(org.gvsig.remoteClient.wms.WMSStatus, java.lang.String)
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357 | */
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358 | protected WMSGetLegendGraphicRequest createGetLegendGraphicRequest(
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359 | WMSStatus status, String layerName) {
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360 | return new WMSGetLegendGraphicRequest1_1_1(status, this, layerName); |
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361 | } |
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362 | |||
363 | |||
364 | /* (non-Javadoc)
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365 | * @see org.gvsig.remoteclient.wms.WMSProtocolHandler#createGetCapabilitiesRequest(org.gvsig.remoteclient.wms.WMSStatus)
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366 | */
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367 | protected WMSGetCapabilitiesRequest createGetCapabilitiesRequest(
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368 | WMSStatus status) { |
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369 | return new WMSGetCapabilitiesRequest1_1_1(status, this); |
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370 | } |
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371 | } |