svn-gvsig-desktop / tags / v2_0_0_Build_2020 / libraries / libRemoteServices / src / org / gvsig / remoteclient / wms / wms_1_1_1 / WMSProtocolHandler1_1_1.java @ 33910
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| 1 | 3323 | ldiaz | |
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| 2 | 29648 | jpiera | package org.gvsig.remoteclient.wms.wms_1_1_1; |
| 3 | 3323 | ldiaz | |
| 4 | 3516 | jaume | import java.io.ByteArrayInputStream; |
| 5 | 3323 | ldiaz | import java.io.File; |
| 6 | import java.io.IOException; |
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| 7 | 3516 | jaume | import java.util.ArrayList; |
| 8 | 3323 | ldiaz | import java.util.TreeMap; |
| 9 | |||
| 10 | 33738 | jpiera | import org.kxml2.io.KXmlParser; |
| 11 | import org.xmlpull.v1.XmlPullParserException; |
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| 12 | |||
| 13 | 29648 | jpiera | import org.gvsig.remoteclient.utils.CapabilitiesTags; |
| 14 | import org.gvsig.remoteclient.utils.EncodingXMLParser; |
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| 15 | import org.gvsig.remoteclient.utils.ExceptionTags; |
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| 16 | import org.gvsig.remoteclient.wms.WMSProtocolHandler; |
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| 17 | import org.gvsig.remoteclient.wms.WMSServiceInformation; |
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| 18 | import org.gvsig.remoteclient.wms.WMSStatus; |
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| 19 | 30324 | jpiera | import org.gvsig.remoteclient.wms.request.WMSGetCapabilitiesRequest; |
| 20 | 29648 | jpiera | import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest; |
| 21 | import org.gvsig.remoteclient.wms.request.WMSGetLegendGraphicRequest; |
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| 22 | import org.gvsig.remoteclient.wms.request.WMSGetMapRequest; |
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| 23 | 30324 | jpiera | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetCapabilitiesRequest1_1_1; |
| 24 | 29648 | jpiera | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetFeatureInfoRequest1_1_1; |
| 25 | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetLegendGraphicRequest1_1_1; |
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| 26 | import org.gvsig.remoteclient.wms.wms_1_1_1.request.WMSGetMapRequest1_1_1; |
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| 27 | 3323 | ldiaz | |
| 28 | /**
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| 29 | * <p>
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| 30 | * Describes the handler to comunicate to a WMS 1.1.1
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| 31 | * </p>
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| 32 | */
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| 33 | 27881 | jpiera | public class WMSProtocolHandler1_1_1 extends WMSProtocolHandler { |
| 34 | 3592 | jaume | private WMSLayer1_1_1 fakeRootLayer;
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| 35 | 11381 | jaume | |
| 36 | 3323 | ldiaz | public WMSProtocolHandler1_1_1()
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| 37 | {
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| 38 | 3341 | ldiaz | this.version = "1.1.1"; |
| 39 | this.name = "WMS1.1.1"; |
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| 40 | 27881 | jpiera | this.serviceInfo = new WMSServiceInformation(); |
| 41 | 3341 | ldiaz | this.layers = new TreeMap(); |
| 42 | 3323 | ldiaz | } |
| 43 | 11381 | jaume | |
| 44 | 3323 | ldiaz | //------------------------------------------------------------------------------
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| 45 | 11381 | jaume | // Parsing methods....
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| 46 | //------------------------------------------------------------------------------
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| 47 | 27881 | jpiera | |
| 48 | public boolean parseCapabilities(File f) |
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| 49 | 11381 | jaume | {
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| 50 | 5539 | jaume | rootLayer = null;
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| 51 | 14705 | jpiera | rootLayer = null;
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| 52 | 3323 | ldiaz | int tag;
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| 53 | 14705 | jpiera | EncodingXMLParser kxmlParser = null;
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| 54 | kxmlParser = new EncodingXMLParser();
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| 55 | 3323 | ldiaz | try
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| 56 | {
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| 57 | 14705 | jpiera | // FileReader reader = new FileReader(f);
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| 58 | // BufferedReader br = new BufferedReader(reader);
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| 59 | //
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| 60 | // // patch for ArcIMS + WMS connector > 9.0 bug
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| 61 | // char[] buffer = new char[(int) f.length()];
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| 62 | // br.read(buffer);
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| 63 | // String string = new String(buffer);
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| 64 | // int a = string.toLowerCase().indexOf("<?xml");
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| 65 | // if (a !=-1) {
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| 66 | // string = string.substring(a, string.length());
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| 67 | // kxmlParser.setInput(string);
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| 68 | // } else
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| 69 | 11381 | jaume | // end patch
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| 70 | 14705 | jpiera | kxmlParser.setInput(f); |
| 71 | 11381 | jaume | |
| 72 | 3323 | ldiaz | kxmlParser.nextTag(); |
| 73 | 11381 | jaume | if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
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| 74 | {
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| 75 | kxmlParser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT1_1_1);
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| 76 | 3323 | ldiaz | tag = kxmlParser.nextTag(); |
| 77 | while(tag != KXmlParser.END_DOCUMENT)
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| 78 | {
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| 79 | 3655 | jaume | switch(tag)
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| 80 | 3323 | ldiaz | {
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| 81 | 11381 | jaume | |
| 82 | 3323 | ldiaz | case KXmlParser.START_TAG:
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| 83 | if (kxmlParser.getName().compareTo(CapabilitiesTags.SERVICE )==0) |
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| 84 | {
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| 85 | parseServiceTag(kxmlParser); |
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| 86 | 11381 | jaume | } |
| 87 | 3323 | ldiaz | else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
| 88 | {
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| 89 | parseCapabilityTag(kxmlParser); |
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| 90 | } |
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| 91 | break;
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| 92 | 11381 | jaume | case KXmlParser.END_TAG:
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| 93 | 3323 | ldiaz | break;
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| 94 | case KXmlParser.TEXT:
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| 95 | 11381 | jaume | //System.out.println("[TEXT]["+kxmlParser.getText()+"]");
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| 96 | 3323 | ldiaz | break;
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| 97 | } |
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| 98 | tag = kxmlParser.next(); |
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| 99 | } |
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| 100 | 3516 | jaume | kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
| 101 | 3323 | ldiaz | } |
| 102 | } |
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| 103 | catch(XmlPullParserException parser_ex){
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| 104 | 3404 | jaume | parser_ex.printStackTrace(); |
| 105 | 27881 | jpiera | return false; |
| 106 | 3323 | ldiaz | } |
| 107 | 11381 | jaume | catch (IOException ioe) { |
| 108 | 3404 | jaume | ioe.printStackTrace(); |
| 109 | 27881 | jpiera | return false; |
| 110 | 3592 | jaume | } finally {
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| 111 | 27881 | jpiera | return true; |
| 112 | 3592 | jaume | } |
| 113 | 11381 | jaume | // In the parsing process the layer has been filled
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| 114 | } |
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| 115 | |||
| 116 | 3323 | ldiaz | /**
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| 117 | * <p>Parses the Service Information </p>
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| 118 | 11381 | jaume | */
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| 119 | private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 120 | 3323 | ldiaz | {
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| 121 | int currentTag;
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| 122 | boolean end = false; |
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| 123 | 11381 | jaume | |
| 124 | 3323 | ldiaz | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
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| 125 | currentTag = parser.next(); |
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| 126 | 11381 | jaume | |
| 127 | while (!end)
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| 128 | 3323 | ldiaz | {
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| 129 | switch(currentTag)
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| 130 | {
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| 131 | case KXmlParser.START_TAG:
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| 132 | if (parser.getName().compareTo(CapabilitiesTags.NAME)==0) |
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| 133 | {
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| 134 | 11381 | jaume | serviceInfo.name = parser.nextText(); |
| 135 | } |
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| 136 | 3323 | ldiaz | else if (parser.getName().compareTo(CapabilitiesTags.TITLE)==0) |
| 137 | {
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| 138 | 11381 | jaume | serviceInfo.title = parser.nextText(); |
| 139 | 3323 | ldiaz | } |
| 140 | else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT)==0) |
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| 141 | {
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| 142 | 11381 | jaume | serviceInfo.abstr = parser.nextText(); |
| 143 | 3323 | ldiaz | } |
| 144 | 4222 | jaume | else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
| 145 | {
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| 146 | String value = new String(); |
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| 147 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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| 148 | if (value != null){ |
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| 149 | serviceInfo.online_resource = value; |
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| 150 | } |
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| 151 | } |
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| 152 | 3323 | ldiaz | else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
| 153 | (parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
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| 154 | {
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| 155 | parser.skipSubTree(); |
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| 156 | 11381 | jaume | } |
| 157 | 3323 | ldiaz | break;
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| 158 | case KXmlParser.END_TAG:
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| 159 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
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| 160 | end = true;
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| 161 | break;
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| 162 | 11381 | jaume | case KXmlParser.TEXT:
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| 163 | 3323 | ldiaz | break;
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| 164 | } |
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| 165 | 3655 | jaume | if (!end)
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| 166 | currentTag = parser.next(); |
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| 167 | 3323 | ldiaz | } |
| 168 | 3655 | jaume | parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
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| 169 | 3323 | ldiaz | } |
| 170 | /**
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| 171 | * <p>Parses the Capability Tag </p>
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| 172 | 11381 | jaume | */
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| 173 | 3323 | ldiaz | private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
| 174 | 11381 | jaume | {
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| 175 | 3323 | ldiaz | int currentTag;
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| 176 | boolean end = false; |
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| 177 | 11381 | jaume | |
| 178 | 3323 | ldiaz | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
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| 179 | currentTag = parser.next(); |
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| 180 | 11381 | jaume | |
| 181 | while (!end)
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| 182 | 3323 | ldiaz | {
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| 183 | switch(currentTag)
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| 184 | {
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| 185 | case KXmlParser.START_TAG:
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| 186 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
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| 187 | {
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| 188 | 11381 | jaume | parseRequestTag(parser); |
| 189 | } |
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| 190 | 3323 | ldiaz | else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
| 191 | {
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| 192 | 4222 | jaume | //TODO:
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| 193 | //Add to serviceInfo the supported formats for the exceptions????
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| 194 | 3323 | ldiaz | } |
| 195 | else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
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| 196 | {
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| 197 | WMSLayer1_1_1 lyr = new WMSLayer1_1_1();
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| 198 | 4222 | jaume | lyr.parse(parser, layers); |
| 199 | 11381 | jaume | |
| 200 | 3592 | jaume | if (rootLayer == null) |
| 201 | rootLayer = lyr; |
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| 202 | else {
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| 203 | // Handles when there is no general root layer, will use
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| 204 | // a fake non-queryable one.
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| 205 | if (!rootLayer.equals(getFakeRootLayer())){
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| 206 | WMSLayer1_1_1 aux = (WMSLayer1_1_1) rootLayer; |
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| 207 | rootLayer = getFakeRootLayer(); |
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| 208 | rootLayer.getChildren().add(aux); |
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| 209 | } |
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| 210 | rootLayer.getChildren().add(lyr); |
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| 211 | } |
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| 212 | 11381 | jaume | |
| 213 | 3483 | jaume | if (lyr.getName()!=null) |
| 214 | 11381 | jaume | layers.put(lyr.getName(), lyr); |
| 215 | |||
| 216 | // Collection layerCollection = layers.values();
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| 217 | 4222 | jaume | // Iterator iter = layerCollection.iterator();
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| 218 | // while (iter.hasNext())
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| 219 | // {
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| 220 | 11381 | jaume | // WMSLayer1_1_1 layer = (WMSLayer1_1_1)iter.next();
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| 221 | 4222 | jaume | // //Add all the SRS that the layer supports to the WMSProtocolHandler if they dont exist already
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| 222 | // for (i=0;i<layer.getAllSrs().size();i++)
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| 223 | 11381 | jaume | // {
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| 224 | 4222 | jaume | //// if (!layer.srs.contains(layer.getAllSrs().elementAt(i)))
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| 225 | //// {
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| 226 | //// this.srs.add(layer.getAllSrs().elementAt(i));
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| 227 | //// }
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| 228 | 11381 | jaume | // }
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| 229 | // }
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| 230 | 3323 | ldiaz | } |
| 231 | else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
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| 232 | (parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
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| 233 | 11381 | jaume | |
| 234 | 3323 | ldiaz | {
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| 235 | parser.skipSubTree(); |
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| 236 | 11381 | jaume | } |
| 237 | 3323 | ldiaz | break;
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| 238 | case KXmlParser.END_TAG:
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| 239 | if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
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| 240 | end = true;
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| 241 | break;
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| 242 | 11381 | jaume | case KXmlParser.TEXT:
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| 243 | 3323 | ldiaz | break;
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| 244 | } |
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| 245 | 4222 | jaume | if (!end)
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| 246 | currentTag = parser.next(); |
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| 247 | 3323 | ldiaz | } |
| 248 | 11381 | jaume | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
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| 249 | 27881 | jpiera | } |
| 250 | 11381 | jaume | |
| 251 | 3592 | jaume | private WMSLayer1_1_1 getFakeRootLayer(){
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| 252 | if (fakeRootLayer == null){ |
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| 253 | fakeRootLayer = new WMSLayer1_1_1();
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| 254 | fakeRootLayer.setTitle(serviceInfo.title); |
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| 255 | fakeRootLayer.setQueryable(false);
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| 256 | fakeRootLayer.setName(null);
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| 257 | } |
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| 258 | return fakeRootLayer;
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| 259 | } |
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| 260 | 3516 | jaume | /* (non-Javadoc)
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| 261 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
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| 262 | */
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| 263 | protected String parseException(byte[] data) { |
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| 264 | ArrayList errors = new ArrayList(); |
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| 265 | KXmlParser kxmlParser = new KXmlParser();
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| 266 | try
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| 267 | {
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| 268 | 11381 | jaume | kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
| 269 | 3516 | jaume | int tag;
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| 270 | 11381 | jaume | |
| 271 | 3824 | ldiaz | boolean end = false; |
| 272 | tag = kxmlParser.nextTag(); |
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| 273 | 11381 | jaume | |
| 274 | 8290 | ldiaz | //Comentar temporalmente para subsanar el hecho de que SimonCit me devuelve las capabilities en un GetLegendGraphic!!!
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| 275 | 3824 | ldiaz | kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
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| 276 | 11381 | jaume | |
| 277 | while (!end)
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| 278 | 3824 | ldiaz | {
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| 279 | switch(tag)
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| 280 | {
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| 281 | case KXmlParser.START_TAG:
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| 282 | 3516 | jaume | if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
| 283 | String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
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| 284 | errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
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| 285 | String errorMessage = kxmlParser.nextText();
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| 286 | errors.add(errorCode+errorMessage); |
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| 287 | } |
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| 288 | break;
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| 289 | 11381 | jaume | case KXmlParser.END_TAG:
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| 290 | 3824 | ldiaz | if (kxmlParser.getName().compareTo(ExceptionTags.EXCEPTION_ROOT) == 0) |
| 291 | end = true;
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| 292 | 11381 | jaume | break;
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| 293 | 3516 | jaume | } |
| 294 | 3824 | ldiaz | if (!end)
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| 295 | {
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| 296 | tag = kxmlParser.nextTag(); |
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| 297 | } |
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| 298 | 3516 | jaume | } |
| 299 | 3824 | ldiaz | } |
| 300 | 3516 | jaume | catch(XmlPullParserException parser_ex){
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| 301 | System.out.println(parser_ex.getMessage());
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| 302 | parser_ex.printStackTrace(); |
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| 303 | } |
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| 304 | 11381 | jaume | catch (IOException ioe) { |
| 305 | ioe.printStackTrace(); |
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| 306 | 3516 | jaume | } |
| 307 | String message = errors.size()>0? "" : null; |
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| 308 | for (int i = 0; i < errors.size(); i++) { |
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| 309 | message += (String) errors.get(i)+"\n"; |
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| 310 | } |
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| 311 | return message;
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| 312 | } |
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| 313 | 27881 | jpiera | |
| 314 | /*
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| 315 | * (non-Javadoc)
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| 316 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetFeatureInfoRequest(org.gvsig.remoteClient.wms.WMSStatus, int, int)
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| 317 | */
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| 318 | protected WMSGetFeatureInfoRequest createGetFeatureInfoRequest(
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| 319 | WMSStatus status, int x, int y) { |
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| 320 | return new WMSGetFeatureInfoRequest1_1_1(status, this, x, y); |
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| 321 | } |
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| 322 | 11381 | jaume | |
| 323 | 27881 | jpiera | /*
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| 324 | * (non-Javadoc)
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| 325 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetMapRequest(org.gvsig.remoteClient.wms.WMSStatus)
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| 326 | */
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| 327 | protected WMSGetMapRequest createGetMapRequest(WMSStatus status) {
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| 328 | return new WMSGetMapRequest1_1_1(status, this); |
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| 329 | } |
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| 330 | |||
| 331 | /*
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| 332 | * (non-Javadoc)
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| 333 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetLegendGraphicRequest(org.gvsig.remoteClient.wms.WMSStatus, java.lang.String)
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| 334 | */
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| 335 | protected WMSGetLegendGraphicRequest createGetLegendGraphicRequest(
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| 336 | WMSStatus status, String layerName) {
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| 337 | return new WMSGetLegendGraphicRequest1_1_1(status, this, layerName); |
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| 338 | } |
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| 339 | 30324 | jpiera | |
| 340 | |||
| 341 | /* (non-Javadoc)
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| 342 | * @see org.gvsig.remoteclient.wms.WMSProtocolHandler#createGetCapabilitiesRequest(org.gvsig.remoteclient.wms.WMSStatus)
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| 343 | */
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| 344 | protected WMSGetCapabilitiesRequest createGetCapabilitiesRequest(
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| 345 | WMSStatus status) {
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| 346 | return new WMSGetCapabilitiesRequest1_1_1(status, this); |
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| 347 | } |
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| 348 | 3323 | ldiaz | } |