servletrequest.html

j2ee帮助文档软件设计/软件工程 文件格式

 <code>RequestDispatcher</code>, the object set by this method
 may not be correctly retrieved in the caller servlet.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - a <code>String</code> specifying 
                                        the name of the attribute<DD><CODE>o</CODE> - the <code>Object</code> to be stored</DL>
</DD>
</DL>
<HR>

<A NAME="removeAttribute(java.lang.String)"><!-- --></A><H3>
removeAttribute</H3>
<PRE>
void <B>removeAttribute</B>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;name)</PRE>
<DL>
<DD>Removes an attribute from this request.  This method is not
 generally needed as attributes only persist as long as the request
 is being handled.

 <p>Attribute names should follow the same conventions as
 package names. Names beginning with <code>java.*</code>,
 <code>javax.*</code>, and <code>com.sun.*</code>, are
 reserved for use by Sun Microsystems.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - a <code>String</code> specifying 
                                        the name of the attribute to remove</DL>
</DD>
</DL>
<HR>

<A NAME="getLocale()"><!-- --></A><H3>
getLocale</H3>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/util/Locale.html" title="class or interface in java.util">Locale</A> <B>getLocale</B>()</PRE>
<DL>
<DD>Returns the preferred <code>Locale</code> that the client will 
 accept content in, based on the Accept-Language header.
 If the client request doesn't provide an Accept-Language header,
 this method returns the default locale for the server.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the preferred <code>Locale</code> for the client</DL>
</DD>
</DL>
<HR>

<A NAME="getLocales()"><!-- --></A><H3>
getLocales</H3>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/util/Enumeration.html" title="class or interface in java.util">Enumeration</A> <B>getLocales</B>()</PRE>
<DL>
<DD>Returns an <code>Enumeration</code> of <code>Locale</code> objects
 indicating, in decreasing order starting with the preferred locale, the
 locales that are acceptable to the client based on the Accept-Language
 header.
 If the client request doesn't provide an Accept-Language header,
 this method returns an <code>Enumeration</code> containing one 
 <code>Locale</code>, the default locale for the server.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an <code>Enumeration</code> of preferred 
                  <code>Locale</code> objects for the client</DL>
</DD>
</DL>
<HR>

<A NAME="isSecure()"><!-- --></A><H3>
isSecure</H3>
<PRE>
boolean <B>isSecure</B>()</PRE>
<DL>
<DD>Returns a boolean indicating whether this request was made using a
 secure channel, such as HTTPS.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a boolean indicating if the request was made using a
                  secure channel</DL>
</DD>
</DL>
<HR>

<A NAME="getRequestDispatcher(java.lang.String)"><!-- --></A><H3>
getRequestDispatcher</H3>
<PRE>
<A HREF="../../javax/servlet/RequestDispatcher.html" title="interface in javax.servlet">RequestDispatcher</A> <B>getRequestDispatcher</B>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;path)</PRE>
<DL>
<DD>Returns a <A HREF="../../javax/servlet/RequestDispatcher.html" title="interface in javax.servlet"><CODE>RequestDispatcher</CODE></A> object that acts as a wrapper for
 the resource located at the given path.  
 A <code>RequestDispatcher</code> object can be used to forward
 a request to the resource or to include the resource in a response.
 The resource can be dynamic or static.

 <p>The pathname specified may be relative, although it cannot extend
 outside the current servlet context.  If the path begins with 
 a "/" it is interpreted as relative to the current context root.  
 This method returns <code>null</code> if the servlet container
 cannot return a <code>RequestDispatcher</code>.

 <p>The difference between this method and <A HREF="../../javax/servlet/ServletContext.html#getRequestDispatcher(java.lang.String)"><CODE>ServletContext.getRequestDispatcher(java.lang.String)</CODE></A> is that this method can take a
 relative path.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - a <code>String</code> specifying the pathname
                  to the resource. If it is relative, it must be
                  relative against the current servlet.
<DT><B>Returns:</B><DD>a <code>RequestDispatcher</code> object
                  that acts as a wrapper for the resource
                  at the specified path, or <code>null</code>
                  if the servlet container cannot return a
                  <code>RequestDispatcher</code><DT><B>See Also:</B><DD><A HREF="../../javax/servlet/RequestDispatcher.html" title="interface in javax.servlet"><CODE>RequestDispatcher</CODE></A>, 
<A HREF="../../javax/servlet/ServletContext.html#getRequestDispatcher(java.lang.String)"><CODE>ServletContext.getRequestDispatcher(java.lang.String)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getRealPath(java.lang.String)"><!-- --></A><H3>
getRealPath</H3>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getRealPath</B>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;path)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Version 2.1 of the Java Servlet API,
                        use <A HREF="../../javax/servlet/ServletContext.html#getRealPath(java.lang.String)"><CODE>ServletContext.getRealPath(java.lang.String)</CODE></A> instead.</I>
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getRemotePort()"><!-- --></A><H3>
getRemotePort</H3>
<PRE>
int <B>getRemotePort</B>()</PRE>
<DL>
<DD>Returns the Internet Protocol (IP) source port of the client
 or last proxy that sent the request.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an integer specifying the port number<DT><B>Since:</B></DT>
  <DD>2.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getLocalName()"><!-- --></A><H3>
getLocalName</H3>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getLocalName</B>()</PRE>
<DL>
<DD>Returns the host name of the Internet Protocol (IP) interface on
 which the request was received.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code> containing the host
                name of the IP on which the request was received.<DT><B>Since:</B></DT>
  <DD>2.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getLocalAddr()"><!-- --></A><H3>
getLocalAddr</H3>
<PRE>
<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getLocalAddr</B>()</PRE>
<DL>
<DD>Returns the Internet Protocol (IP) address of the interface on
 which the request  was received.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>String</code> containing the
                IP address on which the request was received.<DT><B>Since:</B></DT>
  <DD>2.4</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getLocalPort()"><!-- --></A><H3>
getLocalPort</H3>
<PRE>
int <B>getLocalPort</B>()</PRE>
<DL>
<DD>Returns the Internet Protocol (IP) port number of the interface
 on which the request was received.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an integer specifying the port number<DT><B>Since:</B></DT>
  <DD>2.4</DD>
</DL>
</DD>
</DL>
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