factoryregistry.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

<A NAME="method_summary"><!-- --></A>
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<B>Method Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<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/factory/FactoryRegistry.html#getClassLoaders()">getClassLoaders</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns all class loaders to be used for scanning plugins. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/factory/FactoryRegistry.html#getServiceProvider(java.lang.Class, javax.imageio.spi.ServiceRegistry.Filter, org.geotools.factory.Hints, org.geotools.factory.Hints.Key)">getServiceProvider</A></B>(<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,
                   <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.Filter.html" title="class or interface in javax.imageio.spi">ServiceRegistry.Filter</A>&nbsp;filter,
                   <A HREF="../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A>&nbsp;hints,
                   <A HREF="../../../org/geotools/factory/Hints.Key.html" title="class in org.geotools.factory">Hints.Key</A>&nbsp;key)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the first provider in the registry for the specified category, using the specified
 map of hints (if any). </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/factory/FactoryRegistry.html#getServiceProviders(java.lang.Class)">getServiceProviders</A></B>(<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)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the providers in the registry for the specified category. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/factory/FactoryRegistry.html#getServiceProviders(java.lang.Class, javax.imageio.spi.ServiceRegistry.Filter, org.geotools.factory.Hints)">getServiceProviders</A></B>(<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,
                    <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.Filter.html" title="class or interface in javax.imageio.spi">ServiceRegistry.Filter</A>&nbsp;filter,
                    <A HREF="../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A>&nbsp;hints)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the providers in the registry for the specified category, filter and hints. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/factory/FactoryRegistry.html#isAcceptable(java.lang.Object, java.lang.Class, org.geotools.factory.Hints)">isAcceptable</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;provider,
             <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,
             <A HREF="../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A>&nbsp;hints)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns  if the specified  meets the requirements specified by a
 map of . </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/factory/FactoryRegistry.html#scanForPlugins()">scanForPlugins</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Scans for factory plug-ins on the application class path. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/factory/FactoryRegistry.html#setOrdering(java.lang.Class, boolean, javax.imageio.spi.ServiceRegistry.Filter, javax.imageio.spi.ServiceRegistry.Filter)">setOrdering</A></B>(<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;base,
            boolean&nbsp;set,
            <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.Filter.html" title="class or interface in javax.imageio.spi">ServiceRegistry.Filter</A>&nbsp;service1,
            <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.Filter.html" title="class or interface in javax.imageio.spi">ServiceRegistry.Filter</A>&nbsp;service2)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets or unsets a pairwise ordering between all services meeting a criterion. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/factory/FactoryRegistry.html#setOrdering(java.lang.Class, java.util.Comparator)">setOrdering</A></B>(<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,
            <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Comparator.html" title="class or interface in java.util">Comparator</A>&nbsp;comparator)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set pairwise ordering between all services according a comparator. </TD>
</TR>
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&nbsp;<A NAME="methods_inherited_from_class_ServiceRegistry"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <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></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#contains(java.lang.Object)" title="class or interface in javax.imageio.spi">contains</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#deregisterAll()" title="class or interface in javax.imageio.spi">deregisterAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#deregisterAll(java.lang.Class)" title="class or interface in javax.imageio.spi">deregisterAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#deregisterServiceProvider(java.lang.Object)" title="class or interface in javax.imageio.spi">deregisterServiceProvider</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#deregisterServiceProvider(java.lang.Object, java.lang.Class)" title="class or interface in javax.imageio.spi">deregisterServiceProvider</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#finalize()" title="class or interface in javax.imageio.spi">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#getCategories()" title="class or interface in javax.imageio.spi">getCategories</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#getServiceProviderByClass(java.lang.Class)" title="class or interface in javax.imageio.spi">getServiceProviderByClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#getServiceProviders(java.lang.Class, boolean)" title="class or interface in javax.imageio.spi">getServiceProviders</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#getServiceProviders(java.lang.Class, javax.imageio.spi.ServiceRegistry.Filter, boolean)" title="class or interface in javax.imageio.spi">getServiceProviders</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#lookupProviders(java.lang.Class)" title="class or interface in javax.imageio.spi">lookupProviders</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#lookupProviders(java.lang.Class, java.lang.ClassLoader)" title="class or interface in javax.imageio.spi">lookupProviders</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#registerServiceProvider(java.lang.Object)" title="class or interface in javax.imageio.spi">registerServiceProvider</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#registerServiceProvider(java.lang.Object, java.lang.Class)" title="class or interface in javax.imageio.spi">registerServiceProvider</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#registerServiceProviders(java.util.Iterator)" title="class or interface in javax.imageio.spi">registerServiceProviders</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#setOrdering(java.lang.Class, java.lang.Object, java.lang.Object)" title="class or interface in javax.imageio.spi">setOrdering</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.html#unsetOrdering(java.lang.Class, java.lang.Object, java.lang.Object)" title="class or interface in javax.imageio.spi">unsetOrdering</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<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>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="LOGGER"><!-- --></A><H3>
LOGGER</H3>
<PRE>
protected static final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/logging/Logger.html" title="class or interface in java.util.logging">Logger</A> <B>LOGGER</B></PRE>
<DL>
<DD>The logger for all events related to factory registry.
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="FactoryRegistry(java.util.Collection)"><!-- --></A><H3>
FactoryRegistry</H3>
<PRE>
public <B>FactoryRegistry</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&nbsp;categories)</PRE>
<DL>
<DD>Constructs a new registry for the specified categories.
<P>
<DT><B>Parameters:</B><DD><CODE>categories</CODE> - The categories.</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
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<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="getServiceProviders(java.lang.Class)"><!-- --></A><H3>
getServiceProviders</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A> <B>getServiceProviders</B>(<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>Returns the providers in the registry for the specified category. Providers that are
 not <A HREF="../../../org/geotools/factory/OptionalFactory.html#isAvailable()">available</A> will be ignored. This method
 will <A HREF="../../../org/geotools/factory/FactoryRegistry.html#scanForPlugins()">scan for plugins</A> the first time it is invoked for
 the given category.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>category</CODE> - The category to look for. Usually an interface class
                 (not the actual implementation class).
<DT><B>Returns:</B><DD>Factories ready to use for the specified category.</DL>
</DD>
</DL>
<HR>

<A NAME="getServiceProviders(java.lang.Class, javax.imageio.spi.ServiceRegistry.Filter, org.geotools.factory.Hints)"><!-- --></A><H3>
getServiceProviders</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A> <B>getServiceProviders</B>(<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,
                                    <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.Filter.html" title="class or interface in javax.imageio.spi">ServiceRegistry.Filter</A>&nbsp;filter,
                                    <A HREF="../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A>&nbsp;hints)</PRE>
<DL>
<DD>Returns the providers in the registry for the specified category, filter and hints. This
 method is similar to <code><A HREF="../../../org/geotools/factory/FactoryRegistry.html#getServiceProviders(java.lang.Class)"><CODE>getServiceProviders</CODE></A>(category)</code>
 except that only factories matching the specified filter and hints are returned by the
 iterator.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>category</CODE> - The category to look for. Usually an interface class
                 (not the actual implementation class).<DD><CODE>filter</CODE> - The optional filter, or .<DD><CODE>hints</CODE> - The optional user requirements, or .
<DT><B>Returns:</B><DD>Factories ready to use for the specified category, filter and hints.<DT><B>Since:</B></DT>
  <DD>2.3</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getServiceProvider(java.lang.Class, javax.imageio.spi.ServiceRegistry.Filter, org.geotools.factory.Hints, org.geotools.factory.Hints.Key)"><!-- --></A><H3>
getServiceProvider</H3>
<PRE>
public <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>getServiceProvider</B>(<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,
                                 <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/ServiceRegistry.Filter.html" title="class or interface in javax.imageio.spi">ServiceRegistry.Filter</A>&nbsp;filter,
                                 <A HREF="../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A>&nbsp;hints,
                                 <A HREF="../../../org/geotools/factory/Hints.Key.html" title="class in org.geotools.factory">Hints.Key</A>&nbsp;key)