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com.google.enterprise.adaptor</FONT>
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Class HttpExchanges</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.enterprise.adaptor.HttpExchanges</B>
</PRE>
<HR>
<DL>
<DT><PRE>public final class <B>HttpExchanges</B><DT>extends <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
</PRE>
<P>
Utility class for working with <A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver"><CODE>HttpExchange</CODE></A>s.
<P>
<P>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/ThreadLocal.html?is-external=true" title="class or interface in java.lang">ThreadLocal</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/text/DateFormat.html?is-external=true" title="class or interface in java.text">DateFormat</A>&gt;&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#dateFormatsRfc2616">dateFormatsRfc2616</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The various date formats as required by RFC 2616 3.3.1.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Method Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#enableCompressionIfSupported(com.sun.net.httpserver.HttpExchange)">enableCompressionIfSupported</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If the client supports it, set the correct headers and make <A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#respond(com.sun.net.httpserver.HttpExchange, int, java.lang.String, byte[])"><CODE>respond(com.sun.net.httpserver.HttpExchange, int, java.lang.String, byte[])</CODE></A> provide GZIPed response data to the client.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#getIfModifiedSince(com.sun.net.httpserver.HttpExchange)">getIfModifiedSince</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Retrieves and parses the If-Modified-Since from the request, returning null
if there was no such header or there was an error.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#getRequestUri(com.sun.net.httpserver.HttpExchange)">getRequestUri</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Best-effort attempt to reform the identical URI the client used to
contact the server.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#headersSent(com.sun.net.httpserver.HttpExchange)">headersSent</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Determines if the headers have already been sent for the exchange.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&gt;&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#parseQueryParameters(com.sun.net.httpserver.HttpExchange, java.nio.charset.Charset)">parseQueryParameters</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A>&nbsp;charset)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Parse request GET query parameters of <code>ex</code> into its parts, correctly
taking into account <code>charset</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#respond(com.sun.net.httpserver.HttpExchange, int, java.lang.String, byte[])">respond</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
int&nbsp;code,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;contentType,
byte[]&nbsp;response)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sends response to GSA.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#respondToHead(com.sun.net.httpserver.HttpExchange, int, java.lang.String)">respondToHead</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
int&nbsp;code,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;contentType)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sends response to GSA.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#sendRedirect(com.sun.net.httpserver.HttpExchange, java.net.URI)">sendRedirect</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</A>&nbsp;location)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Redirect client to <code>location</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#setLastModified(com.sun.net.httpserver.HttpExchange, java.util.Date)">setLastModified</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A>&nbsp;lastModified)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#startResponse(com.sun.net.httpserver.HttpExchange, int, java.lang.String, boolean)">startResponse</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
int&nbsp;code,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;contentType,
boolean&nbsp;hasBody)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sends headers and configures <code>ex</code> for (possibly) sending content.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="dateFormatsRfc2616"><!-- --></A><H3>
dateFormatsRfc2616</H3>
<PRE>
protected static final <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/ThreadLocal.html?is-external=true" title="class or interface in java.lang">ThreadLocal</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/text/DateFormat.html?is-external=true" title="class or interface in java.text">DateFormat</A>&gt;&gt; <B>dateFormatsRfc2616</B></PRE>
<DL>
<DD>The various date formats as required by RFC 2616 3.3.1.
<P>
<DL>
</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="getRequestUri(com.sun.net.httpserver.HttpExchange)"><!-- --></A><H3>
getRequestUri</H3>
<PRE>
public static <A HREF="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</A> <B>getRequestUri</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)</PRE>
<DL>
<DD>Best-effort attempt to reform the identical URI the client used to
contact the server.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="respondToHead(com.sun.net.httpserver.HttpExchange, int, java.lang.String)"><!-- --></A><H3>
respondToHead</H3>
<PRE>
public static void <B>respondToHead</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
int&nbsp;code,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;contentType)
throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Sends response to GSA. Should only be used when the request method is
HEAD.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="startResponse(com.sun.net.httpserver.HttpExchange, int, java.lang.String, boolean)"><!-- --></A><H3>
startResponse</H3>
<PRE>
public static void <B>startResponse</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
int&nbsp;code,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;contentType,
boolean&nbsp;hasBody)
throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Sends headers and configures <code>ex</code> for (possibly) sending content.
Completing the request is the caller's responsibility.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="respond(com.sun.net.httpserver.HttpExchange, int, java.lang.String, byte[])"><!-- --></A><H3>
respond</H3>
<PRE>
public static void <B>respond</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
int&nbsp;code,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;contentType,
byte[]&nbsp;response)
throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Sends response to GSA. Should not be used directly if the request method
is HEAD.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="sendRedirect(com.sun.net.httpserver.HttpExchange, java.net.URI)"><!-- --></A><H3>
sendRedirect</H3>
<PRE>
public static void <B>sendRedirect</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</A>&nbsp;location)
throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Redirect client to <code>location</code>. The client should retrieve the
referred location via GET, independent of the method of this request.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="enableCompressionIfSupported(com.sun.net.httpserver.HttpExchange)"><!-- --></A><H3>
enableCompressionIfSupported</H3>
<PRE>
public static void <B>enableCompressionIfSupported</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)
throws <A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>If the client supports it, set the correct headers and make <A HREF="../../../../com/google/enterprise/adaptor/HttpExchanges.html#respond(com.sun.net.httpserver.HttpExchange, int, java.lang.String, byte[])"><CODE>respond(com.sun.net.httpserver.HttpExchange, int, java.lang.String, byte[])</CODE></A> provide GZIPed response data to the client.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getIfModifiedSince(com.sun.net.httpserver.HttpExchange)"><!-- --></A><H3>
getIfModifiedSince</H3>
<PRE>
public static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A> <B>getIfModifiedSince</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)</PRE>
<DL>
<DD>Retrieves and parses the If-Modified-Since from the request, returning null
if there was no such header or there was an error.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="headersSent(com.sun.net.httpserver.HttpExchange)"><!-- --></A><H3>
headersSent</H3>
<PRE>
public static boolean <B>headersSent</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex)</PRE>
<DL>
<DD>Determines if the headers have already been sent for the exchange.
<p>This implementation currently uses an imperfect heuristic, but should
work well in most cases. It checks to see if the Date header is present,
which is added during <A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true#sendResponseHeaders(int, long)" title="class or interface in com.sun.net.httpserver"><CODE>HttpExchange.sendResponseHeaders(int, long)</CODE></A>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="setLastModified(com.sun.net.httpserver.HttpExchange, java.util.Date)"><!-- --></A><H3>
setLastModified</H3>
<PRE>
public static void <B>setLastModified</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Date.html?is-external=true" title="class or interface in java.util">Date</A>&nbsp;lastModified)</PRE>
<DL>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="parseQueryParameters(com.sun.net.httpserver.HttpExchange, java.nio.charset.Charset)"><!-- --></A><H3>
parseQueryParameters</H3>
<PRE>
public static <A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&gt;&gt; <B>parseQueryParameters</B>(<A HREF="http://download.oracle.com/javase/6/docs/jre/api/net/httpserver/spec/com/sun/net/httpserver/HttpExchange.html?is-external=true" title="class or interface in com.sun.net.httpserver">HttpExchange</A>&nbsp;ex,
<A HREF="http://download.oracle.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A>&nbsp;charset)</PRE>
<DL>
<DD>Parse request GET query parameters of <code>ex</code> into its parts, correctly
taking into account <code>charset</code>. The encoding of the GET parameters is
not specified in the request parameters, so it must be negotiated elsewhere
(i.e., via hard-coding). ISO 8859-1 (Latin-1) and UTF-8 are the only
commonly used encodings for query parameters.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ex</CODE> - exchange whose request query string is to be parsed<DD><CODE>charset</CODE> - character set used during encoding
<DT><B>Returns:</B><DD>fully-decoded parameter values</DL>
</DD>
</DL>
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