svn-gvsig-desktop / tags / v2_0_0_Build_2020 / libraries / libRemoteServices / src / org / gvsig / remoteclient / wms / wms_1_3_0 / WMSProtocolHandler1_3_0.java @ 33910
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| 1 | 3660 | ldiaz | |
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| 2 | 29648 | jpiera | package org.gvsig.remoteclient.wms.wms_1_3_0; |
| 3 | 3660 | ldiaz | |
| 4 | import java.io.ByteArrayInputStream; |
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| 5 | import java.io.File; |
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| 6 | import java.io.IOException; |
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| 7 | import java.util.ArrayList; |
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| 8 | import java.util.TreeMap; |
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| 9 | 4926 | jaume | |
| 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.WMSServiceInformation; |
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| 17 | import org.gvsig.remoteclient.wms.WMSStatus; |
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| 18 | 30324 | jpiera | import org.gvsig.remoteclient.wms.request.WMSGetCapabilitiesRequest; |
| 19 | 29648 | jpiera | import org.gvsig.remoteclient.wms.request.WMSGetFeatureInfoRequest; |
| 20 | import org.gvsig.remoteclient.wms.request.WMSGetLegendGraphicRequest; |
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| 21 | import org.gvsig.remoteclient.wms.request.WMSGetMapRequest; |
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| 22 | 30324 | jpiera | import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetCapabilitiesRequest1_3_0; |
| 23 | 29648 | jpiera | import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetFeatureInfoRequest1_1_3; |
| 24 | import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetLegendGraphicRequest1_1_3; |
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| 25 | import org.gvsig.remoteclient.wms.wms_1_3_0.request.WMSGetMapRequest1_1_3; |
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| 26 | 3660 | ldiaz | |
| 27 | /**
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| 28 | * <p>
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| 29 | * Describes the handler to comunicate to a WMS 1.3.0
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| 30 | * </p>
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| 31 | */
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| 32 | 29648 | jpiera | public class WMSProtocolHandler1_3_0 extends org.gvsig.remoteclient.wms.WMSProtocolHandler { |
| 33 | 3660 | ldiaz | private WMSLayer1_3_0 fakeRootLayer;
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| 34 | |||
| 35 | public WMSProtocolHandler1_3_0()
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| 36 | {
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| 37 | this.version = "1.3.0"; |
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| 38 | this.name = "WMS1.3.0"; |
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| 39 | 27881 | jpiera | this.serviceInfo = new WMSServiceInformation(); |
| 40 | 4222 | jaume | this.layers = new TreeMap(); |
| 41 | 3660 | ldiaz | } |
| 42 | |||
| 43 | //------------------------------------------------------------------------------
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| 44 | // Parsing methods....
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| 45 | //------------------------------------------------------------------------------
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| 46 | 27881 | jpiera | |
| 47 | public boolean parseCapabilities(File f) |
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| 48 | 5539 | jaume | {
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| 49 | rootLayer = null;
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| 50 | 3660 | ldiaz | |
| 51 | int tag;
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| 52 | 14705 | jpiera | EncodingXMLParser kxmlParser = null;
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| 53 | kxmlParser = new EncodingXMLParser();
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| 54 | 3660 | ldiaz | try
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| 55 | {
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| 56 | 14705 | jpiera | kxmlParser.setInput(f); |
| 57 | 3660 | ldiaz | kxmlParser.nextTag(); |
| 58 | if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
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| 59 | {
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| 60 | 3687 | ldiaz | kxmlParser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITIES_ROOT1_3_0);
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| 61 | 3660 | ldiaz | tag = kxmlParser.nextTag(); |
| 62 | while(tag != KXmlParser.END_DOCUMENT)
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| 63 | {
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| 64 | switch(tag)
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| 65 | 4222 | jaume | {
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| 66 | 3660 | ldiaz | case KXmlParser.START_TAG:
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| 67 | if (kxmlParser.getName().compareTo(CapabilitiesTags.SERVICE )==0) |
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| 68 | {
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| 69 | parseServiceTag(kxmlParser); |
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| 70 | } |
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| 71 | else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
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| 72 | {
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| 73 | parseCapabilityTag(kxmlParser); |
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| 74 | } |
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| 75 | break;
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| 76 | case KXmlParser.END_TAG:
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| 77 | break;
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| 78 | case KXmlParser.TEXT:
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| 79 | 4222 | jaume | //System.out.println("[TEXT]["+kxmlParser.getText()+"]");
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| 80 | 3660 | ldiaz | break;
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| 81 | } |
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| 82 | tag = kxmlParser.next(); |
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| 83 | 3743 | ldiaz | }//while !END_DOCUMENT
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| 84 | 3660 | ldiaz | } |
| 85 | } |
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| 86 | 4222 | jaume | catch(XmlPullParserException parser_ex){
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| 87 | 3660 | ldiaz | parser_ex.printStackTrace(); |
| 88 | 27881 | jpiera | return false; |
| 89 | 3660 | ldiaz | } |
| 90 | catch (IOException ioe) { |
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| 91 | ioe.printStackTrace(); |
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| 92 | 27881 | jpiera | return false; |
| 93 | 4222 | jaume | } finally {
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| 94 | 27881 | jpiera | return true; |
| 95 | 3660 | ldiaz | } |
| 96 | // In the parsing process the layer has been filled
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| 97 | } |
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| 98 | |||
| 99 | /**
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| 100 | * <p>Parses the Service Information </p>
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| 101 | */
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| 102 | private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 103 | {
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| 104 | int currentTag;
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| 105 | boolean end = false; |
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| 106 | |||
| 107 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
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| 108 | currentTag = parser.next(); |
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| 109 | |||
| 110 | while (!end)
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| 111 | {
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| 112 | switch(currentTag)
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| 113 | {
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| 114 | case KXmlParser.START_TAG:
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| 115 | if (parser.getName().compareTo(CapabilitiesTags.NAME)==0) |
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| 116 | {
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| 117 | serviceInfo.name = parser.nextText(); |
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| 118 | } |
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| 119 | else if (parser.getName().compareTo(CapabilitiesTags.TITLE)==0) |
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| 120 | {
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| 121 | serviceInfo.title = parser.nextText(); |
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| 122 | } |
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| 123 | else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT)==0) |
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| 124 | {
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| 125 | serviceInfo.abstr = parser.nextText(); |
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| 126 | } |
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| 127 | 4222 | jaume | else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
| 128 | {
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| 129 | String value = new String(); |
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| 130 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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| 131 | if (value != null){ |
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| 132 | serviceInfo.online_resource = value; |
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| 133 | } |
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| 134 | } |
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| 135 | 3660 | ldiaz | else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
| 136 | (parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
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| 137 | {
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| 138 | parser.skipSubTree(); |
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| 139 | } |
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| 140 | break;
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| 141 | case KXmlParser.END_TAG:
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| 142 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
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| 143 | end = true;
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| 144 | break;
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| 145 | case KXmlParser.TEXT:
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| 146 | break;
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| 147 | } |
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| 148 | if (!end)
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| 149 | currentTag = parser.next(); |
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| 150 | } |
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| 151 | parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
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| 152 | } |
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| 153 | 4222 | jaume | |
| 154 | 3660 | ldiaz | /**
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| 155 | * <p>Parses the Capability Tag </p>
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| 156 | */
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| 157 | private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 158 | {
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| 159 | int currentTag;
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| 160 | boolean end = false; |
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| 161 | |||
| 162 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
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| 163 | currentTag = parser.next(); |
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| 164 | |||
| 165 | while (!end)
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| 166 | {
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| 167 | switch(currentTag)
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| 168 | {
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| 169 | case KXmlParser.START_TAG:
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| 170 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
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| 171 | {
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| 172 | parseRequestTag(parser); |
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| 173 | } |
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| 174 | else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
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| 175 | {
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| 176 | 4222 | jaume | //TODO:
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| 177 | //Add to serviceInformation the supported exception formats.
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| 178 | 3660 | ldiaz | } |
| 179 | else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
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| 180 | {
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| 181 | WMSLayer1_3_0 lyr = new WMSLayer1_3_0();
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| 182 | if (rootLayer == null) |
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| 183 | rootLayer = lyr; |
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| 184 | else {
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| 185 | // Handles when there is no general root layer, will use
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| 186 | // a fake non-queryable one.
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| 187 | if (!rootLayer.equals(getFakeRootLayer())){
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| 188 | WMSLayer1_3_0 aux = (WMSLayer1_3_0) rootLayer; |
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| 189 | rootLayer = getFakeRootLayer(); |
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| 190 | rootLayer.getChildren().add(aux); |
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| 191 | } |
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| 192 | rootLayer.getChildren().add(lyr); |
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| 193 | } |
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| 194 | lyr.parse(parser, layers); |
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| 195 | |||
| 196 | if (lyr.getName()!=null) |
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| 197 | 4222 | jaume | layers.put(lyr.getName(), lyr); |
| 198 | 3660 | ldiaz | } |
| 199 | else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
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| 200 | 4222 | jaume | (parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
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| 201 | 3660 | ldiaz | {
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| 202 | parser.skipSubTree(); |
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| 203 | } |
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| 204 | break;
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| 205 | case KXmlParser.END_TAG:
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| 206 | if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
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| 207 | end = true;
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| 208 | break;
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| 209 | case KXmlParser.TEXT:
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| 210 | break;
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| 211 | } |
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| 212 | 4222 | jaume | if (!end)
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| 213 | currentTag = parser.next(); |
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| 214 | 3660 | ldiaz | } |
| 215 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
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| 216 | 27881 | jpiera | } |
| 217 | 3660 | ldiaz | |
| 218 | private WMSLayer1_3_0 getFakeRootLayer(){
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| 219 | if (fakeRootLayer == null){ |
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| 220 | fakeRootLayer = new WMSLayer1_3_0();
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| 221 | fakeRootLayer.setTitle(serviceInfo.title); |
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| 222 | fakeRootLayer.setQueryable(false);
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| 223 | fakeRootLayer.setName(null);
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| 224 | } |
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| 225 | return fakeRootLayer;
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| 226 | } |
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| 227 | /* (non-Javadoc)
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| 228 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
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| 229 | */
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| 230 | protected String parseException(byte[] data) { |
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| 231 | ArrayList errors = new ArrayList(); |
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| 232 | KXmlParser kxmlParser = new KXmlParser();
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| 233 | try
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| 234 | {
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| 235 | 4500 | jaume | kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
| 236 | 3660 | ldiaz | kxmlParser.nextTag(); |
| 237 | int tag;
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| 238 | if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
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| 239 | {
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| 240 | kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
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| 241 | tag = kxmlParser.nextTag(); |
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| 242 | while(tag != KXmlParser.END_DOCUMENT)
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| 243 | {
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| 244 | switch(tag)
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| 245 | {
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| 246 | case KXmlParser.START_TAG:
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| 247 | if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
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| 248 | String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
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| 249 | errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
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| 250 | String errorMessage = kxmlParser.nextText();
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| 251 | errors.add(errorCode+errorMessage); |
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| 252 | } |
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| 253 | break;
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| 254 | case KXmlParser.END_TAG:
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| 255 | break;
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| 256 | |||
| 257 | } |
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| 258 | tag = kxmlParser.nextTag(); |
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| 259 | } |
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| 260 | //kxmlParser.require(KXmlParser.END_DOCUMENT, null, null);
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| 261 | } |
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| 262 | } |
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| 263 | catch(XmlPullParserException parser_ex){
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| 264 | System.out.println(parser_ex.getMessage());
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| 265 | parser_ex.printStackTrace(); |
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| 266 | } |
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| 267 | catch (IOException ioe) { |
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| 268 | ioe.printStackTrace(); |
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| 269 | } |
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| 270 | String message = errors.size()>0? "" : null; |
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| 271 | for (int i = 0; i < errors.size(); i++) { |
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| 272 | message += (String) errors.get(i)+"\n"; |
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| 273 | } |
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| 274 | return message;
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| 275 | 27881 | jpiera | } |
| 276 | |||
| 277 | /*
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| 278 | * (non-Javadoc)
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| 279 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetFeatureInfoRequest(org.gvsig.remoteClient.wms.WMSStatus, int, int)
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| 280 | 9368 | ldiaz | */
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| 281 | 27881 | jpiera | protected WMSGetFeatureInfoRequest createGetFeatureInfoRequest(
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| 282 | WMSStatus status, int x, int y) { |
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| 283 | return new WMSGetFeatureInfoRequest1_1_3(status, this, x, y); |
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| 284 | } |
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| 285 | 9368 | ldiaz | |
| 286 | 27881 | jpiera | /*
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| 287 | * (non-Javadoc)
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| 288 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetMapRequest(org.gvsig.remoteClient.wms.WMSStatus)
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| 289 | */
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| 290 | protected WMSGetMapRequest createGetMapRequest(WMSStatus status) {
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| 291 | return new WMSGetMapRequest1_1_3(status, this); |
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| 292 | } |
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| 293 | |||
| 294 | /*
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| 295 | * (non-Javadoc)
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| 296 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#createGetLegendGraphicRequest(org.gvsig.remoteClient.wms.WMSStatus, java.lang.String)
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| 297 | */
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| 298 | protected WMSGetLegendGraphicRequest createGetLegendGraphicRequest(
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| 299 | WMSStatus status, String layerName) {
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| 300 | return new WMSGetLegendGraphicRequest1_1_3(status, this, layerName); |
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| 301 | } |
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| 302 | 30324 | jpiera | |
| 303 | |||
| 304 | /* (non-Javadoc)
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| 305 | * @see org.gvsig.remoteclient.wms.WMSProtocolHandler#createGetCapabilitiesRequest(org.gvsig.remoteclient.wms.WMSStatus)
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| 306 | */
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| 307 | protected WMSGetCapabilitiesRequest createGetCapabilitiesRequest(
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| 308 | WMSStatus status) {
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| 309 | return new WMSGetCapabilitiesRequest1_3_0(status, this); |
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| 310 | } |
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| 311 | 3660 | ldiaz | } |