svn-gvsig-desktop / tags / v2_0_0_Build_2020 / libraries / libRemoteServices / src / org / gvsig / remoteclient / wms / WMSExtent.java @ 33910
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| 1 | 29658 | jpiera | package org.gvsig.remoteclient.wms; |
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| 2 | 4314 | ldiaz | |
| 3 | import java.io.IOException; |
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| 4 | 4926 | jaume | |
| 5 | 4314 | ldiaz | import org.kxml2.io.KXmlParser; |
| 6 | import org.xmlpull.v1.XmlPullParserException; |
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| 7 | |||
| 8 | 33738 | jpiera | import org.gvsig.remoteclient.utils.CapabilitiesTags; |
| 9 | |||
| 10 | 4314 | ldiaz | public class WMSExtent { |
| 11 | |||
| 12 | private String name; |
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| 13 | /**
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| 14 | * Indicates that the server will round off inexact dimension values
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| 15 | * to the nearest valid value, or (if it is null or zero) it will not.
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| 16 | */
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| 17 | 4409 | jaume | private String nearestValue; |
| 18 | 4314 | ldiaz | /**
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| 19 | * Indicates that temporal data are normally kept current and that the
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| 20 | * request parameter TIME <b>may</b> include the keyword 'current'
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| 21 | * instead of an ending value.
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| 22 | */
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| 23 | private String current; |
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| 24 | |||
| 25 | /**
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| 26 | * cotains the expression for this dimension's extent.
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| 27 | */
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| 28 | private String extentExpression; |
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| 29 | private String extDefaultValue; |
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| 30 | |||
| 31 | public String getName() { |
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| 32 | return name;
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| 33 | } |
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| 34 | |||
| 35 | /**
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| 36 | * Tells that the temporal data are normally kept current and that
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| 37 | * the request parameter TIME may include the keyword 'current'
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| 38 | * instead of an ending value.
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| 39 | *
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| 40 | * @return <b>true</b> if the server does keep the data, <b>false</b> else.
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| 41 | */
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| 42 | public boolean allowsCurrentTime() { |
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| 43 | return (current!=null && !current.equals("0")); |
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| 44 | } |
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| 45 | |||
| 46 | /**
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| 47 | * Gets the value that would be used along this dimension if a Web
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| 48 | * request omits a value for the dimension.
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| 49 | *
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| 50 | * @return Returns the defaultValue.
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| 51 | */
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| 52 | public String getDefaultValue() { |
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| 53 | return extDefaultValue;
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| 54 | } |
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| 55 | |||
| 56 | /**
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| 57 | * Returns the extent expression as it was written in the Capabilities
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| 58 | * document.
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| 59 | * @return String
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| 60 | */
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| 61 | public String getExtentExpression() { |
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| 62 | return extentExpression;
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| 63 | } |
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| 64 | |||
| 65 | |||
| 66 | /**
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| 67 | * @return Returns the nearestValues.
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| 68 | */
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| 69 | 4409 | jaume | public boolean allowsNearestValue() { |
| 70 | return (nearestValue!=null && !nearestValue.equals("0")); |
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| 71 | 4314 | ldiaz | } |
| 72 | |||
| 73 | /**
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| 74 | * Parses the EXTENT tag in the WMS capabilities, filling the Extend fills of the
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| 75 | * WMSDimension object and loading the data into memory to be easily accesed.
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| 76 | */
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| 77 | public void parse(KXmlParser parser) throws IOException, XmlPullParserException{ |
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| 78 | parser.require(KXmlParser.START_TAG, null, CapabilitiesTags.EXTENT);
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| 79 | 4409 | jaume | name = parser.getAttributeValue("", CapabilitiesTags.DIMENSION_NAME);
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| 80 | 4314 | ldiaz | extDefaultValue = parser.getAttributeValue("", CapabilitiesTags.DEFAULT);
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| 81 | 4409 | jaume | nearestValue = parser.getAttributeValue("", CapabilitiesTags.EXTENT_NEAREST_VALUE);
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| 82 | 4314 | ldiaz | current = parser.getAttributeValue("", CapabilitiesTags.EXTENT_CURRENT);
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| 83 | extentExpression = parser.nextText(); |
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| 84 | } |
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| 85 | } |