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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>FactoryFinder (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.referencing.FactoryFinder class"><META NAME="keywords" CONTENT="addAuthorityFactory()"><META NAME="keywords" CONTENT="removeAuthorityFactory()"><META NAME="keywords" CONTENT="getAuthorityNames()"><META NAME="keywords" CONTENT="getDatumFactory()"><META NAME="keywords" CONTENT="getDatumFactories()"><META NAME="keywords" CONTENT="getCSFactory()"><META NAME="keywords" CONTENT="getCSFactories()"><META NAME="keywords" CONTENT="getCRSFactory()"><META NAME="keywords" CONTENT="getCRSFactories()"><META NAME="keywords" CONTENT="getCoordinateOperationFactory()"><META NAME="keywords" CONTENT="getCoordinateOperationFactories()"><META NAME="keywords" CONTENT="getDatumAuthorityFactory()"><META NAME="keywords" CONTENT="getDatumAuthorityFactories()"><META NAME="keywords" CONTENT="getCSAuthorityFactory()"><META NAME="keywords" CONTENT="getCSAuthorityFactories()"><META NAME="keywords" CONTENT="getCRSAuthorityFactory()"><META NAME="keywords" CONTENT="getCRSAuthorityFactories()"><META NAME="keywords" CONTENT="getCoordinateOperationAuthorityFactory()"><META NAME="keywords" CONTENT="getCoordinateOperationAuthorityFactories()"><META NAME="keywords" CONTENT="getMathTransformFactory()"><META NAME="keywords" CONTENT="getMathTransformFactories()"><META NAME="keywords" CONTENT="setVendorOrdering()"><META NAME="keywords" CONTENT="unsetVendorOrdering()"><META NAME="keywords" CONTENT="setAuthorityOrdering()"><META NAME="keywords" CONTENT="unsetAuthorityOrdering()"><META NAME="keywords" CONTENT="scanForPlugins()"><META NAME="keywords" CONTENT="listProviders()"><META NAME="keywords" CONTENT="main()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="FactoryFinder (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/FactoryFinder.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"> <A HREF="../../../org/geotools/referencing/CRS.html" title="class in org.geotools.referencing"><B>PREV CLASS</B></A> <A HREF="../../../org/geotools/referencing/GeodeticCalculator.html" title="class in org.geotools.referencing"><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="FactoryFinder.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 | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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</FONT><BR>Class FactoryFinder</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"><B>FactoryFinder</B></PRE><HR><DL><DT>public final class <B>FactoryFinder</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL><P>Defines static methods used to access the application's default factory implementation. <P>To declare a factory implementation, a services subdirectory is placed within the directory that is present in every JAR file. This directory contains a file for each factory interface that has one or more implementation classes present in the JAR file. For example, if the JAR file contained a class named which implements the <CODE>DatumFactory</CODE> interface, the JAR file would contain a file named:</P> <blockquote><pre>META-INF/services/org.opengis.referencing.datum.DatumFactory</pre></blockquote> <P>containing the line:</P> <blockquote><pre>com.mycompany.DatumFactoryImpl</pre></blockquote> <P>If the factory classes implements <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/RegisterableService.html" title="class or interface in javax.imageio.spi"><CODE>RegisterableService</CODE></A>, it will be notified upon registration and deregistration. Note that the factory classes should be lightweight and quick to load. Implementations of these interfaces should avoid complex dependencies on other classes and on native code. The usual pattern for more complex services is to register a lightweight proxy for the heavyweight service.</P> <H2>Note on factory ordering</H2> <P>This class is thread-safe. However, calls to any <A HREF="../../../org/geotools/referencing/FactoryFinder.html#setAuthorityOrdering(java.lang.String, java.lang.String)"><CODE>setAuthorityOrdering(java.lang.String, java.lang.String)</CODE></A> or <A HREF="../../../org/geotools/referencing/FactoryFinder.html#setVendorOrdering(java.lang.String, java.lang.String)"><CODE>setVendorOrdering(java.lang.String, java.lang.String)</CODE></A> methods have a system-wide effect. If two threads or two applications need a different ordering, they shall manage their own instance of <A HREF="../../../org/geotools/factory/FactoryRegistry.html" title="class in org.geotools.factory"><CODE>FactoryRegistry</CODE></A>. This class is simply a convenience wrapper around a instance.</P><P><P><DL><DT><B>Since:</B></DT> <DD>2.0</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/FactoryFinder.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/FactoryFinder.html#addAuthorityFactory(org.opengis.referencing.AuthorityFactory)">addAuthorityFactory</A></B>(AuthorityFactory authority)</CODE><BR> Programmatic management of authority factories. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/FactoryFinder.html#getAuthorityNames()">getAuthorityNames</A></B>()</CODE><BR> Returns the names of all currently registered authorities.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/FactoryFinder.html#getCoordinateOperationAuthorityFactories()">getCoordinateOperationAuthorityFactories</A></B>()</CODE><BR> <B>Deprecated.</B> <I>Replaced by <A HREF="../../../org/geotools/referencing/FactoryFinder.html#getCoordinateOperationAuthorityFactories(org.geotools.factory.Hints)"><CODE>getCoordinateOperationAuthorityFactories(Hints)</CODE></A>.</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/FactoryFinder.html#getCoordinateOperationAuthorityFactories(org.geotools.factory.Hints)">getCoordinateOperationAuthorityFactories</A></B>(<A HREF="../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A> hints)</CODE>⌨️ 快捷键说明
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