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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 1.5.0_13) on Wed Sep 17 19:17:32 PDT 2008 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>FacebookSignatureUtil (Facebook Java Library 2.0.1 API)</TITLE><META NAME="keywords" CONTENT="com.google.code.facebookapi.FacebookSignatureUtil class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="FacebookSignatureUtil (Facebook Java Library 2.0.1 API)";}</SCRIPT><NOSCRIPT></NOSCRIPT></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=2 BGCOLOR="#EEEEFF" 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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="#field_summary">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: <A HREF="#field_detail">FIELD</A> | <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">com.google.code.facebookapi</FONT><BR>Class FacebookSignatureUtil</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.code.facebookapi.FacebookSignatureUtil</B></PRE><HR><DL><DT><PRE>public final class <B>FacebookSignatureUtil</B><DT>extends java.lang.Object</DL></PRE><P>Utility for managing Facebook-specific parameters, specifically those related to session/login aspects.<P><P><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static org.apache.commons.logging.Log</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#log">log</A></B></CODE><BR> </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"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#FacebookSignatureUtil()">FacebookSignatureUtil</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#autoVerifySignature(java.util.Map, java.lang.String)">autoVerifySignature</A></B>(java.util.Map<java.lang.String,java.lang.String[]> requestParams, java.lang.String secret)</CODE><BR> Verifies that a signature received matches the expected value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#autoVerifySignature(java.util.Map, java.lang.String, java.lang.String)">autoVerifySignature</A></B>(java.util.Map<java.lang.String,java.lang.String[]> requestParams, java.lang.String secret, java.lang.String expected)</CODE><BR> Verifies that a signature received matches the expected value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.List<java.lang.String></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#convert(java.util.Collection)">convert</A></B>(java.util.Collection<java.util.Map.Entry<java.lang.String,java.lang.String>> entries)</CODE><BR> Converts a Map of key-value pairs into the form expected by generateSignature</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.List<java.lang.String></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#convertFacebookParams(java.util.Collection)">convertFacebookParams</A></B>(java.util.Collection<java.util.Map.Entry<<A HREF="../../../../com/google/code/facebookapi/FacebookParam.html" title="enum in com.google.code.facebookapi">FacebookParam</A>,java.lang.String>> entries)</CODE><BR> Converts a Map of key-value pairs into the form expected by generateSignature</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Map<java.lang.String,java.lang.CharSequence></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#extractFacebookNamespaceParams(java.util.Map)">extractFacebookNamespaceParams</A></B>(java.util.Map<java.lang.CharSequence,java.lang.CharSequence> reqParams)</CODE><BR> Out of the passed in <code>reqParams</code>, extracts the parameters that are in the FacebookParam namespace and returns them.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.EnumMap<<A HREF="../../../../com/google/code/facebookapi/FacebookParam.html" title="enum in com.google.code.facebookapi">FacebookParam</A>,java.lang.CharSequence></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#extractFacebookParams(java.util.Map)">extractFacebookParams</A></B>(java.util.Map<java.lang.CharSequence,java.lang.CharSequence> reqParams)</CODE><BR> Out of the passed in <code>reqParams</code>, extracts the parameters that are known FacebookParams and returns them.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Map<java.lang.String,java.lang.String></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/google/code/facebookapi/FacebookSignatureUtil.html#extractFacebookParamsFromArray(java.util.Map)">extractFacebookParamsFromArray</A></B>(java.util.Map<java.lang.CharSequence,java.lang.CharSequence[]> reqParams)</CODE><BR> Out of the passed in <code>reqParams</code>, extracts the parameters that are in the FacebookParam namespace and returns them.</TD>⌨️ 快捷键说明
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