renderrequest.html.svn-base

portal越来越流行了

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<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/portlet/RenderRequest.html#getETag()">getETag</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the validation tag if the portlet container
 has a cached response for this validation tag, or
 <code>null</code> if no cached response exists.</TD>
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<TH ALIGN="left"><B>Methods inherited from interface javax.portlet.<A HREF="../../javax/portlet/PortletRequest.html" title="interface in javax.portlet">PortletRequest</A></B></TH>
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<TD><CODE><A HREF="../../javax/portlet/PortletRequest.html#getAttribute(java.lang.String)">getAttribute</A>, <A HREF="../../javax/portlet/PortletRequest.html#getAttributeNames()">getAttributeNames</A>, <A HREF="../../javax/portlet/PortletRequest.html#getAuthType()">getAuthType</A>, <A HREF="../../javax/portlet/PortletRequest.html#getContextPath()">getContextPath</A>, <A HREF="../../javax/portlet/PortletRequest.html#getCookies()">getCookies</A>, <A HREF="../../javax/portlet/PortletRequest.html#getLocale()">getLocale</A>, <A HREF="../../javax/portlet/PortletRequest.html#getLocales()">getLocales</A>, <A HREF="../../javax/portlet/PortletRequest.html#getParameter(java.lang.String)">getParameter</A>, <A HREF="../../javax/portlet/PortletRequest.html#getParameterMap()">getParameterMap</A>, <A HREF="../../javax/portlet/PortletRequest.html#getParameterNames()">getParameterNames</A>, <A HREF="../../javax/portlet/PortletRequest.html#getParameterValues(java.lang.String)">getParameterValues</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPortalContext()">getPortalContext</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPortletMode()">getPortletMode</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPortletSession()">getPortletSession</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPortletSession(boolean)">getPortletSession</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPreferences()">getPreferences</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPrivateParameterMap()">getPrivateParameterMap</A>, <A HREF="../../javax/portlet/PortletRequest.html#getProperties(java.lang.String)">getProperties</A>, <A HREF="../../javax/portlet/PortletRequest.html#getProperty(java.lang.String)">getProperty</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPropertyNames()">getPropertyNames</A>, <A HREF="../../javax/portlet/PortletRequest.html#getPublicParameterMap()">getPublicParameterMap</A>, <A HREF="../../javax/portlet/PortletRequest.html#getRemoteUser()">getRemoteUser</A>, <A HREF="../../javax/portlet/PortletRequest.html#getRequestedSessionId()">getRequestedSessionId</A>, <A HREF="../../javax/portlet/PortletRequest.html#getResponseContentType()">getResponseContentType</A>, <A HREF="../../javax/portlet/PortletRequest.html#getResponseContentTypes()">getResponseContentTypes</A>, <A HREF="../../javax/portlet/PortletRequest.html#getScheme()">getScheme</A>, <A HREF="../../javax/portlet/PortletRequest.html#getServerName()">getServerName</A>, <A HREF="../../javax/portlet/PortletRequest.html#getServerPort()">getServerPort</A>, <A HREF="../../javax/portlet/PortletRequest.html#getUserPrincipal()">getUserPrincipal</A>, <A HREF="../../javax/portlet/PortletRequest.html#getWindowID()">getWindowID</A>, <A HREF="../../javax/portlet/PortletRequest.html#getWindowState()">getWindowState</A>, <A HREF="../../javax/portlet/PortletRequest.html#isPortletModeAllowed(javax.portlet.PortletMode)">isPortletModeAllowed</A>, <A HREF="../../javax/portlet/PortletRequest.html#isRequestedSessionIdValid()">isRequestedSessionIdValid</A>, <A HREF="../../javax/portlet/PortletRequest.html#isSecure()">isSecure</A>, <A HREF="../../javax/portlet/PortletRequest.html#isUserInRole(java.lang.String)">isUserInRole</A>, <A HREF="../../javax/portlet/PortletRequest.html#isWindowStateAllowed(javax.portlet.WindowState)">isWindowStateAllowed</A>, <A HREF="../../javax/portlet/PortletRequest.html#removeAttribute(java.lang.String)">removeAttribute</A>, <A HREF="../../javax/portlet/PortletRequest.html#setAttribute(java.lang.String, java.lang.Object)">setAttribute</A></CODE></TD>
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<A NAME="ETAG"><!-- --></A><H3>
ETAG</H3>
<PRE>
static final java.lang.String <B>ETAG</B></PRE>
<DL>
<DD>This property is set by the container if the portlet container
 has a cached response for the given validation tag. The property can be
 retrieved using the <code>getProperty</code> method. 
 <P>
 The value is <code>"portlet.ETag "</code>.
<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>2.0</DD>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javax.portlet.RenderRequest.ETAG">Constant Field Values</A></DL>
</DL>

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<A NAME="getETag()"><!-- --></A><H3>
getETag</H3>
<PRE>
java.lang.String <B>getETag</B>()</PRE>
<DL>
<DD>Returns the validation tag if the portlet container
 has a cached response for this validation tag, or
 <code>null</code> if no cached response exists.
 <p>
 This call returns the same value as 
 <code>RenderRequest.getProperty(RenderRequest.ETAG)</code>.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the validation tag if the portlet container
          has a cached response for this validation tag, or
          <code>null</code> if no cached response exists.<DT><B>Since:</B></DT>
  <DD>2.0</DD>
</DL>
</DD>
</DL>
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