postgisdatastorefactory.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

 </p>
 
 <ul>
 <li>
 dbtype: equal to postgis
 </li>
 <li>
 host
 </li>
 <li>
 user
 </li>
 <li>
 passwd
 </li>
 <li>
 database
 </li>
 <li>
 charset
 </li>
 </ul>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#canProcess(java.util.Map)">canProcess</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html" title="interface in org.geotools.data">DataStoreFactorySpi</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractDataStoreFactory.html#canProcess(java.util.Map)">canProcess</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractDataStoreFactory.html" title="class in org.geotools.data">AbstractDataStoreFactory</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>params</CODE> - Set of parameters needed for a postgis data store.
<DT><B>Returns:</B><DD><code>true</code> if dbtype equals postgis, and contains keys
         for host, user, passwd, and database.</DL>
</DD>
</DL>
<HR>

<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>Construct a postgis data store using the params.
<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 source.  Should have  dbtype equal to postgis, as well as
        host, user, passwd, database, and table.
<DT><B>Returns:</B><DD>The created DataSource, 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> - See DataSourceException
<DD><CODE><A HREF="../../../../org/geotools/data/DataSourceException.html" title="class in org.geotools.data">DataSourceException</A></CODE> - Thrown if there were any problems creating
         or connecting the datasource.</DL>
</DD>
</DL>
<HR>

<A NAME="createDataStoreInternal(org.geotools.data.jdbc.ConnectionPool, java.lang.String, java.lang.String)"><!-- --></A><H3>
createDataStoreInternal</H3>
<PRE>
protected <A HREF="../../../../org/geotools/data/postgis/PostgisDataStore.html" title="class in org.geotools.data.postgis">PostgisDataStore</A> <B>createDataStoreInternal</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;pool,
                                                   <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;namespace,
                                                   <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;schema)
                                            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><DL>
</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></DL>
</DD>
</DL>
<HR>

<A NAME="createDataStoreInternal(org.geotools.data.jdbc.ConnectionPool)"><!-- --></A><H3>
createDataStoreInternal</H3>
<PRE>
protected <A HREF="../../../../org/geotools/data/postgis/PostgisDataStore.html" title="class in org.geotools.data.postgis">PostgisDataStore</A> <B>createDataStoreInternal</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;pool)
                                            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>Deprecated.</B>&nbsp;<I>this method is only here for backwards compatibility for 
 subclasses, use <A HREF="../../../../org/geotools/data/postgis/PostgisDataStoreFactory.html#createDataStoreInternal(org.geotools.data.jdbc.ConnectionPool, java.lang.String, java.lang.String)"><CODE>createDataStoreInternal(ConnectionPool, String, String)</CODE></A>
 instead.</I>
<P>
<DD><DL>
</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></DL>
</DD>
</DL>
<HR>

<A NAME="createDataStoreInternal(org.geotools.data.jdbc.ConnectionPool, java.lang.String)"><!-- --></A><H3>
createDataStoreInternal</H3>
<PRE>
protected <A HREF="../../../../org/geotools/data/postgis/PostgisDataStore.html" title="class in org.geotools.data.postgis">PostgisDataStore</A> <B>createDataStoreInternal</B>(<A HREF="../../../../org/geotools/data/jdbc/ConnectionPool.html" title="class in org.geotools.data.jdbc">ConnectionPool</A>&nbsp;pool,
                                                   <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;namespace)
                                            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>Deprecated.</B>&nbsp;<I>this method is only here for backwards compatibility for 
 subclasses, use <A HREF="../../../../org/geotools/data/postgis/PostgisDataStoreFactory.html#createDataStoreInternal(org.geotools.data.jdbc.ConnectionPool, java.lang.String, java.lang.String)"><CODE>createDataStoreInternal(ConnectionPool, String, String)</CODE></A>
 instead.</I>
<P>
<DD><DL>
</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></DL>
</DD>
</DL>
<HR>

<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>
<DL>
<DD>Postgis cannot create a new database.
<P>
<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>Parameters:</B><DD><CODE>params</CODE> - 
<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> - See UnsupportedOperationException
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/UnsupportedOperationException.html" title="class or interface in java.lang">UnsupportedOperationException</A></CODE> - Cannot create new database</DL>
</DD>
</DL>
<HR>

<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><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractDataStoreFactory.html#getDisplayName()">getDisplayName</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractDataStoreFactory.html" title="class in org.geotools.data">AbstractDataStoreFactory</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>return display name based on class name</DL>
</DD>
</DL>
<HR>

<A NAME="getDescription()"><!-- --></A><H3>
getDescription</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>getDescription</B>()</PRE>
<DL>
<DD>Describe the nature of the datasource constructed by this factory.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#getDescription()">getDescription</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>Returns:</B><DD>A human readable description that is suitable for inclusion in a
         list of available datasources.</DL>
</DD>
</DL>
<HR>

<A NAME="isAvailable()"><!-- --></A><H3>
isAvailable</H3>
<PRE>
public boolean <B>isAvailable</B>()</PRE>
<DL>
<DD>Determines if the appropriate libraries are present for this datastore
 factory to successfully produce postgis datastores.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#isAvailable()">isAvailable</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html" title="interface in org.geotools.data">DataStoreFactorySpi</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/data/AbstractDataStoreFactory.html#isAvailable()">isAvailable</A></CODE> in class <CODE><A HREF="../../../../org/geotools/data/AbstractDataStoreFactory.html" title="class in org.geotools.data">AbstractDataStoreFactory</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD><tt>true</tt> if the postgresql jar is on the classpath.</DL>
</DD>
</DL>
<HR>

<A NAME="getParametersInfo()"><!-- --></A><H3>
getParametersInfo</H3>
<PRE>
public <A HREF="../../../../org/geotools/data/DataStoreFactorySpi.Param.html" title="class in org.geotools.data">DataStoreFactorySpi.Param</A>[] <B>getParametersInfo</B>()</PRE>
<DL>
<DD>Describe parameters.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#getParametersInfo()">getParametersInfo</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>Returns:</B><DD>Param array describing the Map for createDataStore<DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/DataStoreFactorySpi.html#getParametersInfo()"><CODE>DataStoreFactorySpi.getParametersInfo()</CODE></A></DL>
</DD>
</DL>
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