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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:19 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>AbstractAuthorityFactory (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.referencing.factory.AbstractAuthorityFactory class"><META NAME="keywords" CONTENT="getAuthority()"><META NAME="keywords" CONTENT="getBackingStoreDescription()"><META NAME="keywords" CONTENT="createObject()"><META NAME="keywords" CONTENT="createDatum()"><META NAME="keywords" CONTENT="createEngineeringDatum()"><META NAME="keywords" CONTENT="createImageDatum()"><META NAME="keywords" CONTENT="createVerticalDatum()"><META NAME="keywords" CONTENT="createTemporalDatum()"><META NAME="keywords" CONTENT="createGeodeticDatum()"><META NAME="keywords" CONTENT="createEllipsoid()"><META NAME="keywords" CONTENT="createPrimeMeridian()"><META NAME="keywords" CONTENT="createExtent()"><META NAME="keywords" CONTENT="createCoordinateSystem()"><META NAME="keywords" CONTENT="createCartesianCS()"><META NAME="keywords" CONTENT="createPolarCS()"><META NAME="keywords" CONTENT="createCylindricalCS()"><META NAME="keywords" CONTENT="createSphericalCS()"><META NAME="keywords" CONTENT="createEllipsoidalCS()"><META NAME="keywords" CONTENT="createVerticalCS()"><META NAME="keywords" CONTENT="createTimeCS()"><META NAME="keywords" CONTENT="createCoordinateSystemAxis()"><META NAME="keywords" CONTENT="createUnit()"><META NAME="keywords" CONTENT="createCoordinateReferenceSystem()"><META NAME="keywords" CONTENT="createCompoundCRS()"><META NAME="keywords" CONTENT="createDerivedCRS()"><META NAME="keywords" CONTENT="createEngineeringCRS()"><META NAME="keywords" CONTENT="createGeographicCRS()"><META NAME="keywords" CONTENT="createGeocentricCRS()"><META NAME="keywords" CONTENT="createImageCRS()"><META NAME="keywords" CONTENT="createProjectedCRS()"><META NAME="keywords" CONTENT="createTemporalCRS()"><META NAME="keywords" CONTENT="createVerticalCRS()"><META NAME="keywords" CONTENT="createParameterDescriptor()"><META NAME="keywords" CONTENT="createOperationMethod()"><META NAME="keywords" CONTENT="createCoordinateOperation()"><META NAME="keywords" CONTENT="createFromCoordinateReferenceSystemCodes()"><META NAME="keywords" CONTENT="dispose()"><META NAME="keywords" CONTENT="trimAuthority()"><META NAME="keywords" CONTENT="noSuchAuthorityCode()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="AbstractAuthorityFactory (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/AbstractAuthorityFactory.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../../org/geotools/referencing/factory/AllAuthoritiesFactory.html" title="class in org.geotools.referencing.factory"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="AbstractAuthorityFactory.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#fields_inherited_from_class_ReferencingFactory">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.referencing.factory</FONT><BR>Class AbstractAuthorityFactory</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/geotools/referencing/factory/ReferencingFactory.html" title="class in org.geotools.referencing.factory">ReferencingFactory</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>AbstractAuthorityFactory</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>AuthorityFactory, <A HREF="../../../../org/geotools/factory/Factory.html" title="interface in org.geotools.factory">Factory</A>, Factory, <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></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/geotools/referencing/factory/AllAuthoritiesFactory.html" title="class in org.geotools.referencing.factory">AllAuthoritiesFactory</A>, <A HREF="../../../../org/geotools/referencing/factory/AuthorityFactoryAdapter.html" title="class in org.geotools.referencing.factory">AuthorityFactoryAdapter</A>, <A HREF="../../../../org/geotools/referencing/factory/BufferedAuthorityFactory.html" title="class in org.geotools.referencing.factory">BufferedAuthorityFactory</A>, <A HREF="../../../../org/geotools/referencing/factory/DirectAuthorityFactory.html" title="class in org.geotools.referencing.factory">DirectAuthorityFactory</A></DD></DL><HR><DL><DT>public abstract class <B>AbstractAuthorityFactory</B><DT>extends <A HREF="../../../../org/geotools/referencing/factory/ReferencingFactory.html" title="class in org.geotools.referencing.factory">ReferencingFactory</A><DT>implements AuthorityFactory</DL><P>Base class for authority factories. An <cite>authority</cite> is an organization that maintains definitions of authority codes. An <cite>authority code</cite> is a compact string defined by an authority to reference a particular spatial reference object. For example the <A HREF="http://www.epsg.org">European Petroleum Survey Group (EPSG)</A> maintains a database of coordinate systems, and other spatial referencing objects, where each object has a code number ID. For example, the EPSG code for a WGS84 Lat/Lon coordinate system is . <p> This class defines a default implementation for most methods defined in the <CODE>DatumAuthorityFactory</CODE>, <CODE>CSAuthorityFactory</CODE> and <CODE>CRSAuthorityFactory</CODE> interfaces. However, those interfaces do not appear in the clause of this class declaration. This is up to subclasses to decide which interfaces they declare to implement. <p> The default implementation for all methods ultimately invokes <A HREF="../../../../org/geotools/referencing/factory/AbstractAuthorityFactory.html#createObject(java.lang.String)"><CODE>createObject(java.lang.String)</CODE></A>, which may be the only method that a subclass need to override. However, other methods may be overriden as well for better performances.<P><P><DL><DT><B>Since:</B></DT> <DD>2.1</DD><DT><B>Author:</B></DT> <DD>Martin Desruisseaux</DD><DT><B>Module:</B></DT><DD><CODE><B>module/referencing</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-referencing/"><CODE>gt2-referencing.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/referencing/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/referencing/src/org/geotools/referencing/factory/AbstractAuthorityFactory.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR></TABLE> <A NAME="fields_inherited_from_class_ReferencingFactory"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class <A HREF="../../../../org/geotools/referencing/factory/ReferencingFactory.html" title="class in org.geotools.referencing.factory">ReferencingFactory</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../org/geotools/referencing/factory/ReferencingFactory.html#LOGGER">LOGGER</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_AbstractFactory"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class <A HREF="../../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../org/geotools/factory/AbstractFactory.html#hints">hints</A>, <A HREF="../../../../org/geotools/factory/AbstractFactory.html#MAXIMUM_PRIORITY">MAXIMUM_PRIORITY</A>, <A HREF="../../../../org/geotools/factory/AbstractFactory.html#MINIMUM_PRIORITY">MINIMUM_PRIORITY</A>, <A HREF="../../../../org/geotools/factory/AbstractFactory.html#NORMAL_PRIORITY">NORMAL_PRIORITY</A>, <A HREF="../../../../org/geotools/factory/AbstractFactory.html#priority">priority</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/referencing/factory/AbstractAuthorityFactory.html#AbstractAuthorityFactory(int)">AbstractAuthorityFactory</A></B>(int priority)</CODE><BR> Constructs an instance using the specified priority level.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">⌨️ 快捷键说明
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