svn-gvsig-desktop / tags / v1_0_2_Build_905 / libraries / libRemoteServices / src / org / gvsig / remoteClient / wms / wms_1_1_0 / WMSProtocolHandler1_1_0.java @ 10767
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| 1 | 3687 | ldiaz | |
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| 2 | package org.gvsig.remoteClient.wms.wms_1_1_0; |
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| 3 | |||
| 4 | 4500 | jaume | import java.io.BufferedReader; |
| 5 | 3687 | ldiaz | import java.io.ByteArrayInputStream; |
| 6 | import java.io.File; |
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| 7 | 4500 | jaume | import java.io.FileInputStream; |
| 8 | 3687 | ldiaz | import java.io.FileNotFoundException; |
| 9 | import java.io.FileReader; |
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| 10 | import java.io.IOException; |
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| 11 | import java.util.ArrayList; |
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| 12 | import java.util.TreeMap; |
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| 13 | import org.gvsig.remoteClient.utils.CapabilitiesTags; |
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| 14 | import org.gvsig.remoteClient.utils.ExceptionTags; |
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| 15 | import org.kxml2.io.KXmlParser; |
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| 16 | import org.xmlpull.v1.XmlPullParserException; |
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| 17 | |||
| 18 | /**
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| 19 | * <p>
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| 20 | * Describes the handler to comunicate to a WMS 1.1.0
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| 21 | * </p>
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| 22 | */
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| 23 | 4222 | jaume | public class WMSProtocolHandler1_1_0 extends org.gvsig.remoteClient.wms.WMSProtocolHandler |
| 24 | {
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| 25 | 3687 | ldiaz | private WMSLayer1_1_0 fakeRootLayer;
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| 26 | |||
| 27 | public WMSProtocolHandler1_1_0()
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| 28 | {
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| 29 | this.version = "1.1.0"; |
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| 30 | this.name = "WMS1.1.0"; |
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| 31 | this.serviceInfo = new ServiceInformation(); |
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| 32 | this.layers = new TreeMap(); |
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| 33 | } |
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| 34 | |||
| 35 | //------------------------------------------------------------------------------
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| 36 | // Parsing methods....
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| 37 | //------------------------------------------------------------------------------
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| 38 | /**
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| 39 | * <p>Parse the xml data retrieved from the WMS, it will parse the WMS Capabilities</p>
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| 40 | *
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| 41 | */
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| 42 | public void parse(File f) |
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| 43 | {
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| 44 | 5539 | jaume | rootLayer = null;
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| 45 | 4500 | jaume | FileReader reader = null; |
| 46 | 3687 | ldiaz | try
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| 47 | {
|
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| 48 | reader = new FileReader(f); |
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| 49 | 4500 | jaume | BufferedReader br = new BufferedReader(reader); |
| 50 | char[] buffer = new char[100]; |
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| 51 | br.read(buffer); |
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| 52 | StringBuffer st = new StringBuffer(new String(buffer)); |
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| 53 | String searchText = "encoding=\""; |
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| 54 | int index = st.indexOf(searchText);
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| 55 | if (index>-1) { |
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| 56 | st.delete(0, index+searchText.length());
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| 57 | encoding = st.substring(0, st.indexOf("\"")); |
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| 58 | } |
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| 59 | 3687 | ldiaz | } |
| 60 | catch(FileNotFoundException ex) { |
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| 61 | ex.printStackTrace(); |
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| 62 | 4500 | jaume | } catch (IOException e) { |
| 63 | e.printStackTrace(); |
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| 64 | } |
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| 65 | 3687 | ldiaz | |
| 66 | int tag;
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| 67 | KXmlParser kxmlParser = null;
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| 68 | kxmlParser = new KXmlParser();
|
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| 69 | try
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| 70 | {
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| 71 | 4500 | jaume | kxmlParser.setInput(new FileInputStream(f), encoding); |
| 72 | 3687 | ldiaz | kxmlParser.nextTag(); |
| 73 | 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 | tag = kxmlParser.nextTag(); |
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| 77 | while(tag != KXmlParser.END_DOCUMENT)
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| 78 | {
|
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| 79 | switch(tag)
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| 80 | {
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| 81 | |||
| 82 | 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 | } |
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| 87 | else if (kxmlParser.getName().compareTo(CapabilitiesTags.CAPABILITY)==0) |
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| 88 | {
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| 89 | parseCapabilityTag(kxmlParser); |
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| 90 | } |
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| 91 | break;
|
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| 92 | case KXmlParser.END_TAG:
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| 93 | break;
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| 94 | case KXmlParser.TEXT:
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| 95 | 4222 | jaume | |
| 96 | 3687 | 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 | 4222 | jaume | |
| 101 | 3687 | ldiaz | kxmlParser.require(KXmlParser.END_DOCUMENT, null, null); |
| 102 | } |
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| 103 | } |
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| 104 | catch(XmlPullParserException parser_ex){
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| 105 | parser_ex.printStackTrace(); |
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| 106 | } |
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| 107 | catch (IOException ioe) { |
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| 108 | ioe.printStackTrace(); |
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| 109 | } finally {
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| 110 | |||
| 111 | } |
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| 112 | } |
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| 113 | |||
| 114 | /**
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| 115 | * <p>Parses the Service Information </p>
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| 116 | */
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| 117 | private void parseServiceTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 118 | {
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| 119 | int currentTag;
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| 120 | boolean end = false; |
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| 121 | |||
| 122 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.SERVICE);
|
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| 123 | currentTag = parser.next(); |
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| 124 | |||
| 125 | while (!end)
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| 126 | {
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| 127 | switch(currentTag)
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| 128 | {
|
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| 129 | case KXmlParser.START_TAG:
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| 130 | if (parser.getName().compareTo(CapabilitiesTags.NAME)==0) |
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| 131 | {
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| 132 | serviceInfo.name = parser.nextText(); |
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| 133 | } |
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| 134 | else if (parser.getName().compareTo(CapabilitiesTags.TITLE)==0) |
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| 135 | {
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| 136 | serviceInfo.title = parser.nextText(); |
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| 137 | } |
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| 138 | else if (parser.getName().compareTo(CapabilitiesTags.ABSTRACT)==0) |
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| 139 | {
|
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| 140 | serviceInfo.abstr = parser.nextText(); |
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| 141 | } |
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| 142 | 4222 | jaume | else if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
| 143 | {
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| 144 | String value = null; |
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| 145 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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| 146 | if (value != null){ |
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| 147 | serviceInfo.online_resource = value; |
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| 148 | } |
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| 149 | } |
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| 150 | 3687 | ldiaz | else if ((parser.getName().compareTo(CapabilitiesTags.KEYWORDLIST)==0) || |
| 151 | (parser.getName().compareTo(CapabilitiesTags.CONTACTINFORMATION)==0))
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| 152 | {
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| 153 | parser.skipSubTree(); |
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| 154 | } |
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| 155 | break;
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| 156 | case KXmlParser.END_TAG:
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| 157 | if (parser.getName().compareTo(CapabilitiesTags.SERVICE) == 0) |
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| 158 | end = true;
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| 159 | break;
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| 160 | case KXmlParser.TEXT:
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| 161 | break;
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| 162 | } |
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| 163 | if (!end)
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| 164 | currentTag = parser.next(); |
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| 165 | } |
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| 166 | parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.SERVICE);
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| 167 | } |
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| 168 | 4493 | jaume | |
| 169 | 3687 | ldiaz | /**
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| 170 | * <p>Parses the Capability Tag </p>
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| 171 | */
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| 172 | private void parseCapabilityTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 173 | {
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| 174 | int currentTag;
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| 175 | boolean end = false; |
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| 176 | |||
| 177 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.CAPABILITY);
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| 178 | currentTag = parser.next(); |
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| 179 | |||
| 180 | while (!end)
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| 181 | {
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| 182 | switch(currentTag)
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| 183 | {
|
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| 184 | case KXmlParser.START_TAG:
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| 185 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST)==0) |
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| 186 | {
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| 187 | parseRequestTag(parser); |
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| 188 | } |
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| 189 | else if (parser.getName().compareTo(CapabilitiesTags.EXCEPTION)==0) |
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| 190 | {
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| 191 | 4222 | jaume | // TODO:
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| 192 | // add the exception formats supported.
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| 193 | 3687 | ldiaz | } |
| 194 | else if (parser.getName().compareTo(CapabilitiesTags.LAYER)==0) |
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| 195 | {
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| 196 | WMSLayer1_1_0 lyr = new WMSLayer1_1_0();
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| 197 | if (rootLayer == null) |
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| 198 | rootLayer = lyr; |
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| 199 | else {
|
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| 200 | // Handles when there is no general root layer, will use
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| 201 | // a fake non-queryable one.
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| 202 | if (!rootLayer.equals(getFakeRootLayer())){
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| 203 | WMSLayer1_1_0 aux = (WMSLayer1_1_0) rootLayer; |
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| 204 | rootLayer = getFakeRootLayer(); |
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| 205 | rootLayer.getChildren().add(aux); |
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| 206 | } |
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| 207 | rootLayer.getChildren().add(lyr); |
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| 208 | } |
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| 209 | lyr.parse(parser, layers); |
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| 210 | |||
| 211 | if (lyr.getName()!=null) |
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| 212 | 4222 | jaume | layers.put(lyr.getName(), lyr); |
| 213 | 3687 | ldiaz | } |
| 214 | else if ((parser.getName().compareTo(CapabilitiesTags.VENDORSPECIFICCAPABILITIES)==0) || |
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| 215 | (parser.getName().compareTo(CapabilitiesTags.USERDEFINEDSYMBOLIZATION )==0))
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| 216 | |||
| 217 | {
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| 218 | parser.skipSubTree(); |
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| 219 | } |
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| 220 | break;
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| 221 | case KXmlParser.END_TAG:
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| 222 | if (parser.getName().compareTo(CapabilitiesTags.CAPABILITY) == 0) |
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| 223 | end = true;
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| 224 | break;
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| 225 | case KXmlParser.TEXT:
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| 226 | break;
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| 227 | } |
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| 228 | 4222 | jaume | if (!end)
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| 229 | 3687 | ldiaz | currentTag = parser.next(); |
| 230 | } |
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| 231 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.CAPABILITY);
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| 232 | } |
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| 233 | |||
| 234 | /**
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| 235 | * <p>Parses the Request tag </p>
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| 236 | */
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| 237 | private void parseRequestTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 238 | {
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| 239 | int currentTag;
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| 240 | boolean end = false; |
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| 241 | |||
| 242 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.REQUEST);
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| 243 | currentTag = parser.next(); |
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| 244 | |||
| 245 | while (!end)
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| 246 | {
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| 247 | switch(currentTag)
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| 248 | {
|
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| 249 | case KXmlParser.START_TAG:
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| 250 | if (parser.getName().compareTo(CapabilitiesTags.GETCAPABILITIES)==0) |
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| 251 | {
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| 252 | 4222 | jaume | serviceInfo.operations.put(CapabilitiesTags.GETCAPABILITIES , null);
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| 253 | 3687 | ldiaz | } |
| 254 | else if (parser.getName().compareTo(CapabilitiesTags.GETMAP)==0) |
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| 255 | 4222 | jaume | {
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| 256 | serviceInfo.operations.put(CapabilitiesTags.GETMAP, null);
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| 257 | parseGetMapTag(parser); |
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| 258 | 3687 | ldiaz | } |
| 259 | else if (parser.getName().compareTo(CapabilitiesTags.GETFEATUREINFO)==0) |
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| 260 | {
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| 261 | 4222 | jaume | serviceInfo.operations.put(CapabilitiesTags.GETFEATUREINFO, null);
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| 262 | parseGetFeatureInfoTag(parser); |
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| 263 | 3687 | ldiaz | } |
| 264 | else if (parser.getName().compareTo(CapabilitiesTags.DESCRIBELAYER)==0) |
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| 265 | {
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| 266 | 4222 | jaume | serviceInfo.operations.put(CapabilitiesTags.DESCRIBELAYER, null);
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| 267 | 8765 | jjdelcerro | } |
| 268 | else if (parser.getName().compareTo(CapabilitiesTags.GETLEGENDGRAPHIC)==0) |
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| 269 | {
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| 270 | serviceInfo.operations.put(CapabilitiesTags.GETLEGENDGRAPHIC, null);
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| 271 | parseGetLegendGraphicTag(parser); |
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| 272 | 3687 | ldiaz | } |
| 273 | break;
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| 274 | case KXmlParser.END_TAG:
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| 275 | if (parser.getName().compareTo(CapabilitiesTags.REQUEST) == 0) |
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| 276 | end = true;
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| 277 | break;
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| 278 | case KXmlParser.TEXT:
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| 279 | break;
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| 280 | } |
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| 281 | 4222 | jaume | if(!end)
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| 282 | currentTag = parser.next(); |
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| 283 | 3687 | ldiaz | } |
| 284 | // TODO: does not get such a tag when arrives here!!!!!!
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| 285 | //parser.require(KXmlParser.END_TAG, null, CapabilitiesTags.REQUEST);
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| 286 | } |
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| 287 | |||
| 288 | 4222 | jaume | /**
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| 289 | * <p>Parses the GetMap tag </p>
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| 290 | */
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| 291 | private void parseGetMapTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 292 | {
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| 293 | int currentTag;
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| 294 | boolean end = false; |
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| 295 | |||
| 296 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.GETMAP);
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| 297 | currentTag = parser.next(); |
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| 298 | |||
| 299 | while (!end)
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| 300 | {
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| 301 | switch(currentTag)
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| 302 | {
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| 303 | case KXmlParser.START_TAG:
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| 304 | if (parser.getName().compareTo(CapabilitiesTags.FORMAT)==0) |
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| 305 | {
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| 306 | serviceInfo.formats.add(parser.nextText()); |
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| 307 | } |
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| 308 | else if (parser.getName().compareTo(CapabilitiesTags.DCPTYPE)==0) |
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| 309 | {
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| 310 | currentTag = parser.nextTag(); |
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| 311 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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| 312 | {
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| 313 | currentTag = parser.nextTag(); |
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| 314 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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| 315 | {
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| 316 | currentTag = parser.nextTag(); |
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| 317 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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| 318 | {
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| 319 | String value = new String(); |
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| 320 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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| 321 | if (value != null){ |
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| 322 | serviceInfo.operations.put(CapabilitiesTags.GETMAP, value); |
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| 323 | } |
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| 324 | } |
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| 325 | } |
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| 326 | } |
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| 327 | } |
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| 328 | break;
|
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| 329 | case KXmlParser.END_TAG:
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| 330 | if (parser.getName().compareTo(CapabilitiesTags.GETMAP) == 0) |
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| 331 | end = true;
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| 332 | break;
|
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| 333 | case KXmlParser.TEXT:
|
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| 334 | break;
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| 335 | } |
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| 336 | if(!end)
|
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| 337 | currentTag = parser.next(); |
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| 338 | } |
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| 339 | } |
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| 340 | |||
| 341 | /**
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| 342 | 8765 | jjdelcerro | * <p>Parses the GetFeatureInfo tag </p>
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| 343 | 4222 | jaume | */
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| 344 | private void parseGetFeatureInfoTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 345 | {
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| 346 | int currentTag;
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| 347 | boolean end = false; |
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| 348 | |||
| 349 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.GETFEATUREINFO);
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| 350 | currentTag = parser.next(); |
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| 351 | |||
| 352 | while (!end)
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| 353 | {
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| 354 | switch(currentTag)
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| 355 | {
|
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| 356 | case KXmlParser.START_TAG:
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| 357 | if (parser.getName().compareTo(CapabilitiesTags.FORMAT)==0) |
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| 358 | {
|
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| 359 | //TODO:
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| 360 | // add the supported formats by the GetFeatureInfo request
|
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| 361 | //serviceInfo.formats.add(parser.nextText());
|
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| 362 | } |
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| 363 | else if (parser.getName().compareTo(CapabilitiesTags.DCPTYPE)==0) |
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| 364 | {
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| 365 | currentTag = parser.nextTag(); |
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| 366 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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| 367 | {
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| 368 | currentTag = parser.nextTag(); |
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| 369 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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| 370 | {
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| 371 | currentTag = parser.nextTag(); |
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| 372 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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| 373 | {
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| 374 | String value = new String(); |
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| 375 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
|
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| 376 | if (value != null){ |
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| 377 | 4623 | ldiaz | //serviceInfo.online_resource = value;
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| 378 | serviceInfo.operations.put(CapabilitiesTags.GETFEATUREINFO, value); |
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| 379 | 4222 | jaume | } |
| 380 | } |
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| 381 | } |
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| 382 | } |
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| 383 | } |
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| 384 | break;
|
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| 385 | case KXmlParser.END_TAG:
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| 386 | if (parser.getName().compareTo(CapabilitiesTags.GETFEATUREINFO) == 0) |
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| 387 | end = true;
|
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| 388 | break;
|
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| 389 | case KXmlParser.TEXT:
|
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| 390 | break;
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| 391 | } |
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| 392 | if(!end)
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| 393 | currentTag = parser.next(); |
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| 394 | } |
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| 395 | } |
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| 396 | 8765 | jjdelcerro | |
| 397 | /**
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| 398 | * <p>Parses the GetLegendGraphic tag </p>
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| 399 | */
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| 400 | private void parseGetLegendGraphicTag(KXmlParser parser) throws IOException, XmlPullParserException |
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| 401 | {
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| 402 | int currentTag;
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| 403 | boolean end = false; |
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| 404 | |||
| 405 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.GETLEGENDGRAPHIC);
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| 406 | currentTag = parser.next(); |
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| 407 | |||
| 408 | while (!end)
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| 409 | {
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| 410 | switch(currentTag)
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| 411 | {
|
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| 412 | case KXmlParser.START_TAG:
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| 413 | if (parser.getName().compareTo(CapabilitiesTags.FORMAT)==0) |
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| 414 | {
|
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| 415 | //TODO:
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| 416 | // add the supported formats by the GetLegendGraphic request
|
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| 417 | //serviceInfo.formats.add(parser.nextText());
|
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| 418 | } |
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| 419 | else if (parser.getName().compareTo(CapabilitiesTags.DCPTYPE)==0) |
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| 420 | {
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| 421 | currentTag = parser.nextTag(); |
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| 422 | if(parser.getName().compareTo(CapabilitiesTags.HTTP)==0) |
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| 423 | {
|
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| 424 | currentTag = parser.nextTag(); |
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| 425 | if(parser.getName().compareTo(CapabilitiesTags.GET)==0) |
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| 426 | {
|
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| 427 | currentTag = parser.nextTag(); |
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| 428 | if (parser.getName().compareTo(CapabilitiesTags.ONLINERESOURCE)==0) |
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| 429 | {
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| 430 | String value = new String(); |
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| 431 | value = parser.getAttributeValue("", CapabilitiesTags.XLINK_HREF);
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| 432 | if (value != null){ |
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| 433 | serviceInfo.operations.put(CapabilitiesTags.GETLEGENDGRAPHIC, value); |
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| 434 | } |
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| 435 | } |
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| 436 | } |
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| 437 | } |
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| 438 | } |
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| 439 | break;
|
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| 440 | case KXmlParser.END_TAG:
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| 441 | if (parser.getName().compareTo(CapabilitiesTags.GETLEGENDGRAPHIC) == 0) |
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| 442 | end = true;
|
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| 443 | break;
|
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| 444 | case KXmlParser.TEXT:
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| 445 | break;
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| 446 | } |
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| 447 | if(!end)
|
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| 448 | currentTag = parser.next(); |
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| 449 | } |
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| 450 | } |
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| 451 | 4222 | jaume | |
| 452 | 3687 | ldiaz | private WMSLayer1_1_0 getFakeRootLayer(){
|
| 453 | if (fakeRootLayer == null){ |
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| 454 | fakeRootLayer = new WMSLayer1_1_0();
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| 455 | fakeRootLayer.setTitle(serviceInfo.title); |
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| 456 | fakeRootLayer.setQueryable(false);
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| 457 | fakeRootLayer.setName(null);
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| 458 | } |
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| 459 | return fakeRootLayer;
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| 460 | } |
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| 461 | 5409 | jaume | |
| 462 | 3687 | ldiaz | /* (non-Javadoc)
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| 463 | * @see org.gvsig.remoteClient.wms.WMSProtocolHandler#parseException(byte[])
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| 464 | */
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| 465 | protected String parseException(byte[] data) { |
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| 466 | ArrayList errors = new ArrayList(); |
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| 467 | KXmlParser kxmlParser = new KXmlParser();
|
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| 468 | 4500 | jaume | |
| 469 | 3687 | ldiaz | try
|
| 470 | {
|
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| 471 | 4500 | jaume | kxmlParser.setInput(new ByteArrayInputStream(data), encoding); |
| 472 | 3687 | ldiaz | kxmlParser.nextTag(); |
| 473 | int tag;
|
||
| 474 | if ( kxmlParser.getEventType() != KXmlParser.END_DOCUMENT )
|
||
| 475 | {
|
||
| 476 | kxmlParser.require(KXmlParser.START_TAG, null, ExceptionTags.EXCEPTION_ROOT);
|
||
| 477 | tag = kxmlParser.nextTag(); |
||
| 478 | while(tag != KXmlParser.END_DOCUMENT)
|
||
| 479 | {
|
||
| 480 | switch(tag)
|
||
| 481 | {
|
||
| 482 | case KXmlParser.START_TAG:
|
||
| 483 | if (kxmlParser.getName().compareTo(ExceptionTags.SERVICE_EXCEPTION)==0){ |
||
| 484 | String errorCode = kxmlParser.getAttributeValue("", ExceptionTags.CODE); |
||
| 485 | errorCode = (errorCode != null) ? "["+errorCode+"] " : ""; |
||
| 486 | String errorMessage = kxmlParser.nextText();
|
||
| 487 | errors.add(errorCode+errorMessage); |
||
| 488 | } |
||
| 489 | break;
|
||
| 490 | case KXmlParser.END_TAG:
|
||
| 491 | break;
|
||
| 492 | |||
| 493 | } |
||
| 494 | tag = kxmlParser.nextTag(); |
||
| 495 | } |
||
| 496 | //kxmlParser.require(KXmlParser.END_DOCUMENT, null, null);
|
||
| 497 | } |
||
| 498 | } |
||
| 499 | catch(XmlPullParserException parser_ex){
|
||
| 500 | System.out.println(parser_ex.getMessage());
|
||
| 501 | parser_ex.printStackTrace(); |
||
| 502 | } |
||
| 503 | catch (IOException ioe) { |
||
| 504 | ioe.printStackTrace(); |
||
| 505 | } |
||
| 506 | String message = errors.size()>0? "" : null; |
||
| 507 | for (int i = 0; i < errors.size(); i++) { |
||
| 508 | message += (String) errors.get(i)+"\n"; |
||
| 509 | } |
||
| 510 | return message;
|
||
| 511 | } |
||
| 512 | |||
| 513 | } |