directorydatastorefactory.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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<CODE>&nbsp;<A HREF="../../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/dir/DirectoryDataStoreFactory.html#createNewDataStore(java.util.Map)">createNewDataStore</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&nbsp;params)</CODE>

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<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/dir/DirectoryDataStoreFactory.html#getDescription()">getDescription</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Describe the nature of the datasource constructed by this factory.

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<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/dir/DirectoryDataStoreFactory.html#getDisplayName()">getDisplayName</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Name suitable for display to end user.

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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/dir/DirectoryDataStoreFactory.html#getImplementationHints()">getImplementationHints</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the implementation hints. </TD>
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<CODE>&nbsp;<A HREF="../../../../org/geotools/data/DataStoreFactorySpi.Param.html" title="class in org.geotools.data">DataStoreFactorySpi.Param</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/dir/DirectoryDataStoreFactory.html#getParametersInfo()">getParametersInfo</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MetaData about the required Parameters (for createDataStore).

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<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/dir/DirectoryDataStoreFactory.html#isAvailable()">isAvailable</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Test to see if this datastore is available, if it has all the
 appropriate libraries to construct a datastore.  </TD>
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<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>
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<!-- ============ FIELD DETAIL =========== -->

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<A NAME="DIRECTORY"><!-- --></A><H3>
DIRECTORY</H3>
<PRE>
public static final <A HREF="../../../../org/geotools/data/DataStoreFactorySpi.Param.html" title="class in org.geotools.data">DataStoreFactorySpi.Param</A> <B>DIRECTORY</B></PRE>
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<DD>The Directory parameter which should contain some files to read
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</DL>
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<A NAME="CREATE_SUFFIX_ORDER"><!-- --></A><H3>
CREATE_SUFFIX_ORDER</H3>
<PRE>
public static final <A HREF="../../../../org/geotools/data/DataStoreFactorySpi.Param.html" title="class in org.geotools.data">DataStoreFactorySpi.Param</A> <B>CREATE_SUFFIX_ORDER</B></PRE>
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<DD>The suffix parameter to specify the order of creation for new
 featureTypes
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<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="DirectoryDataStoreFactory()"><!-- --></A><H3>
DirectoryDataStoreFactory</H3>
<PRE>
public <B>DirectoryDataStoreFactory</B>()</PRE>
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<!-- ============ METHOD DETAIL ========== -->

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<A NAME="createDataStore(java.util.Map)"><!-- --></A><H3>
createDataStore</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A> <B>createDataStore</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&nbsp;params)
                          throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html" title="interface in org.geotools.data">DataStoreFactorySpi</A></CODE></B></DD>
<DD>Construct a live data source using the params specifed.

 <p>
 You can think of this as setting up a connection to the back end data
 source.
 </p>

 <p>
 Magic Params: the following params are magic and are honoured by
 convention by the GeoServer and uDig application.

 <ul>
 <li>
 "user": is taken to be the user name
 </li>
 <li>
 "passwd": is taken to be the password
 </li>
 <li>
 "namespace": is taken to be the namespace prefix (and will be kept in
 sync with GeoServer namespace management.
 </li>
 </ul>

 When we eventually move over to the use of OpperationalParam we will
 have to find someway to codify this convention.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#createDataStore(java.util.Map)">createDataStore</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html" title="interface in org.geotools.data">DataStoreFactorySpi</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>params</CODE> - The full set of information needed to construct a live
        data store. Typical key values for the map include: url -
        location of a resource, used by file reading datasources. dbtype
        - the type of the database to connect to, e.g. postgis, mysql
<DT><B>Returns:</B><DD>The created DataStore, this may be null if the required resource
         was not found or if insufficent parameters were given. Note
         that canProcess() should have returned false if the problem is
         to do with insuficent parameters.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#createDataStore(java.util.Map)"><CODE>DataStoreFactorySpi.createDataStore(java.util.Map)</CODE></A></DL>
</DD>
</DL>
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<A NAME="createNewDataStore(java.util.Map)"><!-- --></A><H3>
createNewDataStore</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A> <B>createNewDataStore</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&nbsp;params)
                             throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
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<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#createNewDataStore(java.util.Map)">createNewDataStore</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html" title="interface in org.geotools.data">DataStoreFactorySpi</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#createNewDataStore(java.util.Map)"><CODE>DataStoreFactorySpi.createNewDataStore(java.util.Map)</CODE></A></DL>
</DD>
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<A NAME="getDisplayName()"><!-- --></A><H3>
getDisplayName</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getDisplayName</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html" title="interface in org.geotools.data">DataStoreFactorySpi</A></CODE></B></DD>
<DD>Name suitable for display to end user.

 <p>
 A non localized display name for this data store type.
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#getDisplayName()">getDisplayName</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html" title="interface in org.geotools.data">DataStoreFactorySpi</A></CODE></DL>
</DD>
<DD><DL>