defaultfactory.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

                                               throws FactoryException</PRE>
<DL>
<DD>Creates the backing store authority factory. This method try to connect to the EPSG
 database from the <code>{@value}</code> data source. If no data
 source were found for that name, implementation declared in 
 are tested.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/geotools/referencing/factory/DeferredAuthorityFactory.html#createBackingStore()">createBackingStore</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/referencing/factory/DeferredAuthorityFactory.html" title="class in org.geotools.referencing.factory">DeferredAuthorityFactory</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The backing store to uses in  methods.
<DT><B>Throws:</B>
<DD><CODE>FactoryException</CODE> - if the constructor failed to connect to the EPSG database.
         This exception usually has a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/sql/SQLException.html" title="class or interface in java.sql"><CODE>SQLException</CODE></A> as its cause.</DL>
</DD>
</DL>
<HR>

<A NAME="canDisposeBackingStore(org.geotools.referencing.factory.AbstractAuthorityFactory)"><!-- --></A><H3>
canDisposeBackingStore</H3>
<PRE>
protected boolean <B>canDisposeBackingStore</B>(<A HREF="../../../../../org/geotools/referencing/factory/AbstractAuthorityFactory.html" title="class in org.geotools.referencing.factory">AbstractAuthorityFactory</A>&nbsp;backingStore)</PRE>
<DL>
<DD>Returns  if the backing store can be disposed now. This method is invoked
 automatically after the amount of time specified by <A HREF="../../../../../org/geotools/referencing/factory/DeferredAuthorityFactory.html#setTimeout(long)"><CODE>DeferredAuthorityFactory.setTimeout(long)</CODE></A> if the factory
 were not used during that time.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/geotools/referencing/factory/DeferredAuthorityFactory.html#canDisposeBackingStore(org.geotools.referencing.factory.AbstractAuthorityFactory)">canDisposeBackingStore</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/referencing/factory/DeferredAuthorityFactory.html" title="class in org.geotools.referencing.factory">DeferredAuthorityFactory</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>backingStore</CODE> - The backing store in process of being disposed.</DL>
</DD>
</DL>
<HR>

<A NAME="onRegistration(javax.imageio.spi.ServiceRegistry, java.lang.Class)"><!-- --></A><H3>
onRegistration</H3>
<PRE>
public void <B>onRegistration</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html" title="class or interface in javax.imageio.spi">ServiceRegistry</A>&nbsp;registry,
                           <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;category)</PRE>
<DL>
<DD>Called when this factory is added to the given  of the given
 . The object may already be registered under another category.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/RegisterableService.html#onRegistration(javax.imageio.spi.ServiceRegistry, java.lang.Class)" title="class or interface in javax.imageio.spi">onRegistration</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/RegisterableService.html" title="class or interface in javax.imageio.spi">RegisterableService</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/geotools/factory/AbstractFactory.html#onRegistration(javax.imageio.spi.ServiceRegistry, java.lang.Class)">onRegistration</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>registry</CODE> - A service registry where this factory has been registered.<DD><CODE>category</CODE> - The registry category under which this object has been registered.<DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/factory/AbstractFactory.html#MINIMUM_PRIORITY"><CODE>AbstractFactory.MINIMUM_PRIORITY</CODE></A>, 
<A HREF="../../../../../org/geotools/factory/AbstractFactory.html#MAXIMUM_PRIORITY"><CODE>AbstractFactory.MAXIMUM_PRIORITY</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="onDeregistration(javax.imageio.spi.ServiceRegistry, java.lang.Class)"><!-- --></A><H3>
onDeregistration</H3>
<PRE>
public void <B>onDeregistration</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html" title="class or interface in javax.imageio.spi">ServiceRegistry</A>&nbsp;registry,
                             <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;category)</PRE>
<DL>
<DD>Called when this factory is removed from the given  of the given
 .  The object may still be registered under another category.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/RegisterableService.html#onDeregistration(javax.imageio.spi.ServiceRegistry, java.lang.Class)" title="class or interface in javax.imageio.spi">onDeregistration</A></CODE> in interface <CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/RegisterableService.html" title="class or interface in javax.imageio.spi">RegisterableService</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../../org/geotools/factory/AbstractFactory.html#onDeregistration(javax.imageio.spi.ServiceRegistry, java.lang.Class)">onDeregistration</A></CODE> in class <CODE><A HREF="../../../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>registry</CODE> - A service registry from which this object is being (wholly or partially)
                 deregistered.<DD><CODE>category</CODE> - The registry category from which this object is being deregistered.</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</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;args)</PRE>
<DL>
<DD>Constructs an object from the EPSG database and print its WKT (Well Know Text) to
 the standard output. This method can be invoked from the command line. For example:

 <blockquote><pre>
 java org.geotools.referencing.factory.epsg.DefaultFactory 4181
 </pre></blockquote>

 Should print:

 <blockquote><pre>
 GEOGCS["Luxembourg 1930", DATUM["Luxembourg 1930", <FONT face="Arial">etc...</FONT>
 </pre></blockquote>

 The following optional arguments are supported:

 <blockquote>
   <strong> <var>charset</var></strong><br>
       Sets the console encoding for this application output. This value has
       no impact on the data exchanged with the EPSG database.

   <strong></strong><br>
       Output the math transforms between every pairs of CRS.
 </blockquote>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - A list of EPSG code to display.
             An arbitrary number of codes can be specified on the command line.</DL>
</DD>
</DL>
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