httpservletrequestwrapper.html

j2ee的API 1.4版本,j2ee的帮助文档

<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getHeader(java.lang.String)">getHeader</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - a <code>String</code> specifying the
				header name
<DT><B>Returns:</B><DD>a <code>String</code> containing the
				value of the requested
				header, or <code>null</code>
				if the request does not
				have a header of that name</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaders(java.lang.String)"><!-- --></A><H3>
getHeaders</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Enumeration.html" title="class or interface in java.util">Enumeration</A> <B>getHeaders</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name)</PRE>
<DL>
<DD>The default behavior of this method is to return getHeaders(String name)
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getHeaders(java.lang.String)">getHeaders</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - a <code>String</code> specifying the
				header name
<DT><B>Returns:</B><DD>an <code>Enumeration</code> containing
                  	the values of the requested header. If
                  	the request does not have any headers of
                  	that name return an empty
                  	enumeration. If 
                  	the container does not allow access to
                  	header information, return null</DL>
</DD>
</DL>
<HR>

<A NAME="getHeaderNames()"><!-- --></A><H3>
getHeaderNames</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Enumeration.html" title="class or interface in java.util">Enumeration</A> <B>getHeaderNames</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getHeaderNames()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getHeaderNames()">getHeaderNames</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an enumeration of all the
				header names sent with this
				request; if the request has
				no headers, an empty enumeration;
				if the servlet container does not
				allow servlets to use this method,
				<code>null</code></DL>
</DD>
</DL>
<HR>

<A NAME="getIntHeader(java.lang.String)"><!-- --></A><H3>
getIntHeader</H3>
<PRE>
public int <B>getIntHeader</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name)</PRE>
<DL>
<DD>The default behavior of this method is to return getIntHeader(String name)
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getIntHeader(java.lang.String)">getIntHeader</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - a <code>String</code> specifying the name
				of a request header
<DT><B>Returns:</B><DD>an integer expressing the value 
 				of the request header or -1
				if the request doesn't have a
				header of this name</DL>
</DD>
</DL>
<HR>

<A NAME="getMethod()"><!-- --></A><H3>
getMethod</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getMethod</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getMethod()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getMethod()">getMethod</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code> 
				specifying the name
				of the method with which
				this request was made</DL>
</DD>
</DL>
<HR>

<A NAME="getPathInfo()"><!-- --></A><H3>
getPathInfo</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getPathInfo</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getPathInfo()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getPathInfo()">getPathInfo</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code>, decoded by the
			web container, specifying 
			extra path information that comes
			after the servlet path but before
			the query string in the request URL;
			or <code>null</code> if the URL does not have
			any extra path information</DL>
</DD>
</DL>
<HR>

<A NAME="getPathTranslated()"><!-- --></A><H3>
getPathTranslated</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getPathTranslated</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getPathTranslated()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getPathTranslated()">getPathTranslated</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code> specifying the
			real path, or <code>null</code> if
			the URL does not have any extra path
			information</DL>
</DD>
</DL>
<HR>

<A NAME="getContextPath()"><!-- --></A><H3>
getContextPath</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getContextPath</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getContextPath()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getContextPath()">getContextPath</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code> specifying the
			portion of the request URI that indicates the context
			of the request</DL>
</DD>
</DL>
<HR>

<A NAME="getQueryString()"><!-- --></A><H3>
getQueryString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getQueryString</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getQueryString()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getQueryString()">getQueryString</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code> containing the query
			string or <code>null</code> if the URL 
			contains no query string. The value is not
			decoded by the container.</DL>
</DD>
</DL>
<HR>

<A NAME="getRemoteUser()"><!-- --></A><H3>
getRemoteUser</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getRemoteUser</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getRemoteUser()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getRemoteUser()">getRemoteUser</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code> specifying the login
			of the user making this request, or <code>null</code>
			if the user login is not known</DL>
</DD>
</DL>
<HR>

<A NAME="isUserInRole(java.lang.String)"><!-- --></A><H3>
isUserInRole</H3>
<PRE>
public boolean <B>isUserInRole</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;role)</PRE>
<DL>
<DD>The default behavior of this method is to return isUserInRole(String role)
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#isUserInRole(java.lang.String)">isUserInRole</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>role</CODE> - a <code>String</code> specifying the name
				of the role
<DT><B>Returns:</B><DD>a <code>boolean</code> indicating whether
			the user making this request belongs to a given role;
			<code>false</code> if the user has not been 
			authenticated</DL>
</DD>
</DL>
<HR>

<A NAME="getUserPrincipal()"><!-- --></A><H3>
getUserPrincipal</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/security/Principal.html" title="class or interface in java.security">Principal</A> <B>getUserPrincipal</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getUserPrincipal()
 on the wrapped request object.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html#getUserPrincipal()">getUserPrincipal</A></CODE> in interface <CODE><A HREF="../../../javax/servlet/http/HttpServletRequest.html" title="interface in javax.servlet.http">HttpServletRequest</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>java.security.Principal</code> containing
			the name of the user making this request;
			<code>null</code> if the user has not been 
			authenticated</DL>
</DD>
</DL>
<HR>

<A NAME="getRequestedSessionId()"><!-- --></A><H3>
getRequestedSessionId</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getRequestedSessionId</B>()</PRE>
<DL>
<DD>The default behavior of this method is to return getRequestedSessionId()