actionrequest.html.svn-base

portal越来越流行了

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<A NAME="getPortletInputStream()"><!-- --></A><H3>
getPortletInputStream</H3>
<PRE>
public java.io.InputStream <B>getPortletInputStream</B>()
                                          throws java.io.IOException</PRE>
<DL>
<DD>Retrieves the body of the HTTP request from client to
 portal as binary data using
 an <CODE>InputStream</CODE>. Either this method or 
 <A HREF="../../javax/portlet/ActionRequest.html#getReader()"><CODE>getReader()</CODE></A> may be called to read the body, but not both.
 <p>
 For HTTP POST data of type application/x-www-form-urlencoded
 this method throws an <code>IllegalStateException</code>
 as this data has been already processed by the 
 portal/portlet-container and is available as request parameters.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an input stream containing the body of the request<DT><B>Throws:</B><DD><CODE>java.lang.IllegalStateException</CODE> - if getReader was already called, or it is a 
                   HTTP POST data of type application/x-www-form-urlencoded<DD><CODE>java.io.IOException</CODE> - if an input or output exception occurred</DL>
</DD>
</DL>
<HR>

<A NAME="setCharacterEncoding(java.lang.String)"><!-- --></A><H3>
setCharacterEncoding</H3>
<PRE>
public void <B>setCharacterEncoding</B>(java.lang.String&nbsp;enc)
                          throws java.io.UnsupportedEncodingException</PRE>
<DL>
<DD>Overrides the name of the character encoding used in the body of this
 request. This method must be called prior to reading input 
 using <A HREF="../../javax/portlet/ActionRequest.html#getReader()"><CODE>getReader()</CODE></A> or <A HREF="../../javax/portlet/ActionRequest.html#getPortletInputStream()"><CODE>getPortletInputStream()</CODE></A>.
 <p>
 This method only sets the character set for the Reader that the
 <A HREF="../../javax/portlet/ActionRequest.html#getReader()"><CODE>getReader()</CODE></A> method returns.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>enc</CODE> - a <code>String</code> containing the name of 
			the chararacter encoding.<DT><B>Throws:</B><DD><CODE>java.io.UnsupportedEncodingException</CODE> - if this is not a valid encoding<DD><CODE>java.lang.IllegalStateException</CODE> - if this method is called after 
                                   reading request parameters or reading input using 
                                   <code>getReader()</code></DL>
</DD>
</DL>
<HR>

<A NAME="getReader()"><!-- --></A><H3>
getReader</H3>
<PRE>
public java.io.BufferedReader <B>getReader</B>()
                                 throws java.io.UnsupportedEncodingException,
                                        java.io.IOException</PRE>
<DL>
<DD>Retrieves the body of the HTTP request from the client to the portal
 as character data using
 a <code>BufferedReader</code>.  The reader translates the character
 data according to the character encoding used on the body.
 Either this method or <A HREF="../../javax/portlet/ActionRequest.html#getPortletInputStream()"><CODE>getPortletInputStream()</CODE></A> may be called to read the
 body, not both.
 <p>
 For HTTP POST data of type application/x-www-form-urlencoded
 this method throws an <code>IllegalStateException</code>
 as this data has been already processed by the 
 portal/portlet-container and is available as request parameters.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a <code>BufferedReader</code>
		containing the body of the request<DT><B>Throws:</B><DD><CODE>java.io.UnsupportedEncodingException</CODE> - if the character set encoding used is 
 		     not supported and the text cannot be decoded<DD><CODE>java.lang.IllegalStateException</CODE> - if <A HREF="../../javax/portlet/ActionRequest.html#getPortletInputStream()"><CODE>getPortletInputStream()</CODE></A> method
 		     has been called on this request,  it is a 
                   HTTP POST data of type application/x-www-form-urlencoded.<DD><CODE>java.io.IOException</CODE> - if an input or output exception occurred<DT><B>See Also: </B><DD><A HREF="../../javax/portlet/ActionRequest.html#getPortletInputStream()"><CODE>getPortletInputStream()</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getCharacterEncoding()"><!-- --></A><H3>
getCharacterEncoding</H3>
<PRE>
public java.lang.String <B>getCharacterEncoding</B>()</PRE>
<DL>
<DD>Returns the name of the character encoding used in the body of this request.
 This method returns <code>null</code> if the request
 does not specify a character encoding.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a <code>String</code> containing the name of 
			the chararacter encoding, or <code>null</code>
			if the request does not specify a character encoding.</DL>
</DD>
</DL>
<HR>

<A NAME="getContentType()"><!-- --></A><H3>
getContentType</H3>
<PRE>
public java.lang.String <B>getContentType</B>()</PRE>
<DL>
<DD>Returns the MIME type of the body of the request, 
 or null if the type is not known.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a <code>String</code> containing the name 
			of the MIME type of the request, or null 
                    if the type is not known.</DL>
</DD>
</DL>
<HR>

<A NAME="getContentLength()"><!-- --></A><H3>
getContentLength</H3>
<PRE>
public int <B>getContentLength</B>()</PRE>
<DL>
<DD>Returns the length, in bytes, of the request body 
 which is made available by the input stream, or -1 if the
 length is not known.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an integer containing the length of the 
 			request body or -1 if the length is not known</DL>
</DD>
</DL>
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