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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><TITLE>IDFactory (Project JXTA J2SE)</TITLE><META NAME="keywords" CONTENT="net.jxta.id.IDFactory class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="IDFactory (Project JXTA J2SE)";}</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/IDFactory.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><a href='http://www.jxta.org' target='_blank'>Project JXTA</a></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../net/jxta/id/ID.html" title="class in net.jxta.id"><B>PREV CLASS</B></A> <A HREF="../../../net/jxta/id/NullID.html" title="class in net.jxta.id"><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="IDFactory.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: <A HREF="#nested_class_summary">NESTED</A> | 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">net.jxta.id</FONT><BR>Class IDFactory</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../net/jxta/util/ClassFactory.html" title="class in net.jxta.util">net.jxta.util.ClassFactory</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>net.jxta.id.IDFactory</B></PRE><HR><DL><DT>public final class <B>IDFactory</B><DT>extends <A HREF="../../../net/jxta/util/ClassFactory.html" title="class in net.jxta.util">ClassFactory</A></DL><P>A factory class for constructing ID instances from external representations such as strings or URIs and for constructing new ID instances. <p/>When possible the factory will create IDs of the same ID Format as any base ids provided. For example, PipeIDs will be created to be the same ID Format as the PeerGroupID provided. <p/>Some ID constructors allow specification of "seed" information. Each ID Format may use this seed information as it chooses or may require seed information of a specific form. In some cases the seed information will be used literally as provided to construct the resulting ID, but ID Formats may also choose to ignore the seed information entirely, use it as random number generator seed values, etc. Consult the implementation documentation for the ID Formats of interest to see how the seed information is used by each ID Format.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../net/jxta/id/ID.html" title="class in net.jxta.id"><CODE>ID</CODE></A>, <a href="http://spec.jxta.org/nonav/v1.0/docbook/JXTAProtocols.html#ids" target='_blank'>JXTA Protocols Specification : IDs</a>, <A HREF="../../../net/jxta/util/ClassFactory.html" title="class in net.jxta.util"><CODE>ClassFactory</CODE></A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Nested Class Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static interface</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.Instantiator.html" title="interface in net.jxta.id">IDFactory.Instantiator</A></B></CODE><BR> Interface for instantiators of IDs. </TD></TR></TABLE> <!-- =========== 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 <A HREF="../../../net/jxta/id/ID.html" title="class in net.jxta.id">ID</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#fromURL(java.net.URL)">fromURL</A></B>(java.net.URL source)</CODE><BR> Construct a new ID instance from a JXTA ID contained in a URI.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected java.util.Map</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#getAssocTable()">getAssocTable</A></B>()</CODE><BR> Used by ClassFactory methods to get the mapping of ID types to constructors.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected java.lang.Class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#getClassForKey()">getClassForKey</A></B>()</CODE><BR> Used by ClassFactory methods to ensure that all keys used with the mapping are of the correct type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected java.lang.Class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#getClassOfInstantiators()">getClassOfInstantiators</A></B>()</CODE><BR> Used by ClassFactory methods to ensure that all of the instance classes which register with this factory have the correct base class</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#getDefaultIDFormat()">getDefaultIDFormat</A></B>()</CODE><BR> Returns a String containing the name of the default ID Format.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.net.URL</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#jxtaURL(java.lang.String)">jxtaURL</A></B>(java.lang.String uri)</CODE><BR> This method should be used instead of using <code>new java.net.URL( )</code> to create URLs for use with IDFactory. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.net.URL</CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#jxtaURL(java.lang.String, java.lang.String, java.lang.String)">jxtaURL</A></B>(java.lang.String protocol, java.lang.String host, java.lang.String file)</CODE><BR> This method should be used instead of using <code>new java.net.URL( )</code> to create URLs for use with IDFactory. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../net/jxta/codat/CodatID.html" title="class in net.jxta.codat">CodatID</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#newCodatID(net.jxta.peergroup.PeerGroupID)">newCodatID</A></B>(<A HREF="../../../net/jxta/peergroup/PeerGroupID.html" title="class in net.jxta.peergroup">PeerGroupID</A> groupID)</CODE><BR> Creates a new CodatID Instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../net/jxta/codat/CodatID.html" title="class in net.jxta.codat">CodatID</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#newCodatID(net.jxta.peergroup.PeerGroupID, byte[])">newCodatID</A></B>(<A HREF="../../../net/jxta/peergroup/PeerGroupID.html" title="class in net.jxta.peergroup">PeerGroupID</A> groupID, byte[] seed)</CODE><BR> Creates a new CodatID instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../net/jxta/codat/CodatID.html" title="class in net.jxta.codat">CodatID</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#newCodatID(net.jxta.peergroup.PeerGroupID, byte[], java.io.InputStream)">newCodatID</A></B>(<A HREF="../../../net/jxta/peergroup/PeerGroupID.html" title="class in net.jxta.peergroup">PeerGroupID</A> groupID, byte[] seed, java.io.InputStream in)</CODE><BR> Creates a new CodatID instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../net/jxta/codat/CodatID.html" title="class in net.jxta.codat">CodatID</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#newCodatID(net.jxta.peergroup.PeerGroupID, java.io.InputStream)">newCodatID</A></B>(<A HREF="../../../net/jxta/peergroup/PeerGroupID.html" title="class in net.jxta.peergroup">PeerGroupID</A> groupID, java.io.InputStream in)</CODE><BR> Creates a new CodatID instance. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../net/jxta/platform/ModuleClassID.html" title="class in net.jxta.platform">ModuleClassID</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../net/jxta/id/IDFactory.html#newModuleClassID()">newModuleClassID</A></B>()</CODE>?? 快捷鍵說明
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