datautilities.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#collection(org.geotools.feature.Feature[])">collection</A></B>(<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A>[]&nbsp;features)</CODE>

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<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#compare(org.geotools.feature.FeatureType, org.geotools.feature.FeatureType)">compare</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;typeA,
        <A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;typeB)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compare operation for FeatureType.
 
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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#createSubType(org.geotools.feature.FeatureType, java.lang.String[])">createSubType</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType,
              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;properties)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#createSubType(org.geotools.feature.FeatureType, java.lang.String[], org.opengis.referencing.crs.CoordinateReferenceSystem)">createSubType</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType,
              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;properties,
              CoordinateReferenceSystem&nbsp;override)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a derived FeatureType
 
 
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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#createSubType(org.geotools.feature.FeatureType, java.lang.String[], org.opengis.referencing.crs.CoordinateReferenceSystem, java.lang.String, java.net.URI)">createSubType</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType,
              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;properties,
              CoordinateReferenceSystem&nbsp;override,
              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;typeName,
              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URI.html" title="class or interface in java.net">URI</A>&nbsp;namespace)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#createType(java.lang.String, java.lang.String)">createType</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;identification,
           <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;typeSpec)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Utility method for FeatureType construction.
 
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<CODE>static&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#defaultValue(org.geotools.feature.AttributeType)">defaultValue</A></B>(<A HREF="../../../org/geotools/feature/AttributeType.html" title="interface in org.geotools.feature">AttributeType</A>&nbsp;attributeType)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Provides a defautlValue for attributeType.
 
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<CODE>static&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#defaultValue(java.lang.Class)">defaultValue</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Class.html" title="class or interface in java.lang">Class</A>&nbsp;type)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a non-null default value for the class that is passed in.  </TD>
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<CODE>static&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#defaultValues(org.geotools.feature.FeatureType)">defaultValues</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType)</CODE>

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<CODE>static&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#defaultValues(org.geotools.feature.FeatureType, java.lang.Object[])">defaultValues</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType,
              <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[]&nbsp;values)</CODE>

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<CODE>static&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#isMatch(org.geotools.feature.AttributeType, org.geotools.feature.AttributeType)">isMatch</A></B>(<A HREF="../../../org/geotools/feature/AttributeType.html" title="interface in org.geotools.feature">AttributeType</A>&nbsp;a,
        <A HREF="../../../org/geotools/feature/AttributeType.html" title="interface in org.geotools.feature">AttributeType</A>&nbsp;b)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#mixQueries(org.geotools.data.Query, org.geotools.data.Query, java.lang.String)">mixQueries</A></B>(<A HREF="../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;firstQuery,
           <A HREF="../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;secondQuery,
           <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;handle)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Takes two <A HREF="../../../org/geotools/data/Query.html" title="interface in org.geotools.data"><CODE>Query</CODE></A>objects and produce a new one by mixing the
 restrictions of both of them.
 
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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#parse(org.geotools.feature.FeatureType, java.lang.String, java.lang.String[])">parse</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;type,
      <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;fid,
      <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;text)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#reader(java.util.Collection)">reader</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&nbsp;collection)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/data/FeatureReader.html" title="interface in org.geotools.data">FeatureReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#reader(org.geotools.feature.Feature[])">reader</A></B>(<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A>[]&nbsp;features)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a FeatureReader for testing.</TD>
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<CODE>static&nbsp;<A HREF="../../../org/geotools/data/FeatureResults.html" title="interface in org.geotools.data">FeatureResults</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#results(org.geotools.feature.Feature[])">results</A></B>(<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A>[]&nbsp;featureArray)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/data/FeatureResults.html" title="interface in org.geotools.data">FeatureResults</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#results(org.geotools.feature.FeatureCollection)">results</A></B>(<A HREF="../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A>&nbsp;collection)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#reType(org.geotools.feature.FeatureType, org.geotools.feature.Feature)">reType</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType,
       <A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A>&nbsp;feature)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates duplicate of feature adjusted to the provided featureType.</TD>
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<CODE>static&nbsp;<A HREF="../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#source(org.geotools.feature.Feature[])">source</A></B>(<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A>[]&nbsp;featureArray)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#source(org.geotools.feature.FeatureCollection)">source</A></B>(<A HREF="../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A>&nbsp;collection)</CODE>

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<CODE>static&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#spec(org.geotools.feature.FeatureType)">spec</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Record typeSpec for the provided featureType</TD>
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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#template(org.geotools.feature.FeatureType)">template</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs an empty feature to use as a Template for new content.
 
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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#template(org.geotools.feature.FeatureType, java.lang.Object[])">template</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType,
         <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[]&nbsp;atts)</CODE>

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<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/data/DataUtilities.html#template(org.geotools.feature.FeatureType, java.lang.String)">template</A></B>(<A HREF="../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType,
         <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;featureID)</CODE>

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A></CODE></FONT></TD>