shapefiledatastore.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

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a FeatureReader for the provided type name.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &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/shapefile/ShapefileDataStore.html#getFeatureReader(java.lang.String, org.geotools.data.Query)">getFeatureReader</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;typeName,
                 <A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Just like the basic version, but adds a small optimization: if no
 attributes are going to be read, don't uselessly open and read the dbf
 file. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&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/shapefile/ShapefileDataStore.html#getFeatureSource(java.lang.String)">getFeatureSource</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;typeName)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Default implementation based on getFeatureReader and getFeatureWriter.

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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/nio/channels/ReadableByteChannel.html" title="class or interface in java.nio.channels">ReadableByteChannel</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#getReadChannel(java.net.URL)">getReadChannel</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Obtain a ReadableByteChannel from the given URL. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&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/shapefile/ShapefileDataStore.html#getSchema()">getSchema</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Singular version, returns the FeatureType for the url being read.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&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/shapefile/ShapefileDataStore.html#getSchema(java.lang.String)">getSchema</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;typeName)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Obtain the FeatureType of the given name. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/File.html" title="class or interface in java.io">File</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#getStorageFile(java.net.URL, long)">getStorageFile</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url,
               long&nbsp;temp)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a temproray File based on the URL passed in</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#getStorageURL(java.net.URL, long)">getStorageURL</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url,
              long&nbsp;temp)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get a temporary URL for storage based on the one passed in</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&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/shapefile/ShapefileDataStore.html#getTypeNames()">getTypeNames</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get an array of type names this DataStore holds.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/nio/channels/WritableByteChannel.html" title="class or interface in java.nio.channels">WritableByteChannel</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#getWriteChannel(java.net.URL)">getWriteChannel</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Obtain a WritableByteChannel from the given URL. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#isLocal()">isLocal</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determine if the location of this shapefile is local or remote.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/data/shapefile/dbf/DbaseFileReader.html" title="class in org.geotools.data.shapefile.dbf">DbaseFileReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#openDbfReader()">openDbfReader</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convenience method for opening a DbaseFileReader.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/data/shapefile/shp/IndexFile.html" title="class in org.geotools.data.shapefile.shp">IndexFile</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#openIndexFile(java.net.URL)">openIndexFile</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;shxURL)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convenience method for opening an index file.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/data/shapefile/prj/PrjFileReader.html" title="class in org.geotools.data.shapefile.prj">PrjFileReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#openPrjReader()">openPrjReader</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convenience method for opening a DbaseFileReader.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/data/shapefile/shp/ShapefileReader.html" title="class in org.geotools.data.shapefile.shp">ShapefileReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#openShapeReader()">openShapeReader</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Convenience method for opening a ShapefileReader.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/feature/AttributeType.html" title="interface in org.geotools.feature">AttributeType</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#readAttributes()">readAttributes</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create the AttributeTypes contained within this DataStore.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html#typeCheck(java.lang.String)">typeCheck</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;requested)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A convenience method to check if a type name is correct.</TD>
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&nbsp;<A NAME="methods_inherited_from_class_AbstractFileDataStore"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/data/AbstractFileDataStore.html" title="class in org.geotools.data">AbstractFileDataStore</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/data/AbstractFileDataStore.html#getFeatureSource()">getFeatureSource</A>, <A HREF="../../../../org/geotools/data/AbstractFileDataStore.html#getFeatureWriter(org.geotools.filter.Filter, org.geotools.data.Transaction)">getFeatureWriter</A>, <A HREF="../../../../org/geotools/data/AbstractFileDataStore.html#getFeatureWriter(org.geotools.data.Transaction)">getFeatureWriter</A>, <A HREF="../../../../org/geotools/data/AbstractFileDataStore.html#getFeatureWriterAppend(org.geotools.data.Transaction)">getFeatureWriterAppend</A>, <A HREF="../../../../org/geotools/data/AbstractFileDataStore.html#updateSchema(org.geotools.feature.FeatureType)">updateSchema</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_AbstractDataStore"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/data/AbstractDataStore.html" title="class in org.geotools.data">AbstractDataStore</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/data/AbstractDataStore.html#createLockingManager()">createLockingManager</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getFeatureReader(org.geotools.data.Query, org.geotools.data.Transaction)">getFeatureReader</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getFeatureWriter(java.lang.String)">getFeatureWriter</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getFeatureWriter(java.lang.String, org.geotools.filter.Filter, org.geotools.data.Transaction)">getFeatureWriter</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getFeatureWriter(java.lang.String, org.geotools.data.Transaction)">getFeatureWriter</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getFeatureWriterAppend(java.lang.String, org.geotools.data.Transaction)">getFeatureWriterAppend</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getLockingManager()">getLockingManager</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getUnsupportedFilter(java.lang.String, org.geotools.filter.Filter)">getUnsupportedFilter</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#getView(org.geotools.data.Query)">getView</A>, <A HREF="../../../../org/geotools/data/AbstractDataStore.html#updateSchema(java.lang.String, org.geotools.feature.FeatureType)">updateSchema</A></CODE></TD>
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</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
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</TABLE>

<A NAME="shpURL"><!-- --></A><H3>
shpURL</H3>
<PRE>
protected final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A> <B>shpURL</B></PRE>
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<DL>
</DL>
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<A NAME="dbfURL"><!-- --></A><H3>
dbfURL</H3>
<PRE>
protected final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A> <B>dbfURL</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="shxURL"><!-- --></A><H3>
shxURL</H3>
<PRE>
protected final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A> <B>shxURL</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="prjURL"><!-- --></A><H3>
prjURL</H3>
<PRE>
protected final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A> <B>prjURL</B></PRE>
<DL>
<DL>
</DL>
</DL>
<HR>

<A NAME="xmlURL"><!-- --></A><H3>
xmlURL</H3>
<PRE>
protected final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A> <B>xmlURL</B></PRE>
<DL>