multipartformdatarequest.html

一个用jsp开发的文件上传系统。利用javabean来实现的。来练习javabean.是一个完整系统

<A NAME="STRUTSPARSER"><!-- --></A><H3>
STRUTSPARSER</H3>
<PRE>
public static java.lang.String <B>STRUTSPARSER</B></PRE>
<DL>
<DD>Struts parser
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="CFUPARSER"><!-- --></A><H3>
CFUPARSER</H3>
<PRE>
public static java.lang.String <B>CFUPARSER</B></PRE>
<DL>
<DD>Commons FileUpload parser
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="DEFAULTPARSER"><!-- --></A><H3>
DEFAULTPARSER</H3>
<PRE>
public static java.lang.String <B>DEFAULTPARSER</B></PRE>
<DL>
<DD>Default multipart parser implementation is COSPARSER
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="PARSERTEMPDIRECTORY"><!-- --></A><H3>
PARSERTEMPDIRECTORY</H3>
<PRE>
public static java.lang.String <B>PARSERTEMPDIRECTORY</B></PRE>
<DL>
<DD>Struts multipart parser temporary directory  : System temp directory
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="MAXCONTENTLENGTHALLOWED"><!-- --></A><H3>
MAXCONTENTLENGTHALLOWED</H3>
<PRE>
public static int <B>MAXCONTENTLENGTHALLOWED</B></PRE>
<DL>
<DD>Maximum "Content-Length" size allowed (to avoid DoS attacks) : Default is 1GB
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="DEFAULTENCODING"><!-- --></A><H3>
DEFAULTENCODING</H3>
<PRE>
public static java.lang.String <B>DEFAULTENCODING</B></PRE>
<DL>
<DD>Default encoding : iso-8859-1
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
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<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
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<A NAME="MultipartFormDataRequest(javax.servlet.http.HttpServletRequest, java.util.Vector, int, java.lang.String, java.lang.String)"><!-- --></A><H3>
MultipartFormDataRequest</H3>
<PRE>
public <B>MultipartFormDataRequest</B>(javax.servlet.http.HttpServletRequest&nbsp;req,
                                java.util.Vector&nbsp;listeners,
                                int&nbsp;maxcontentlength,
                                java.lang.String&nbsp;parser,
                                java.lang.String&nbsp;encoding)
                         throws <A HREF="../../javazoom/upload/UploadException.html" title="class in javazoom.upload">UploadException</A>,
                                java.io.IOException</PRE>
<DL>
<DD>Constructs a MultipartFormDataRequest from an HttpServletRequest. Upload
 is done there. All HTTP parameters are loaded and, depending on parser selection,
 uploaded files in memory or in cache/temporary folder. You can also
 specify maximum "Content-Length" size for the POST request, encoding and UploadListeners.
<P>
</DL>
<HR>

<A NAME="MultipartFormDataRequest(javax.servlet.http.HttpServletRequest, java.util.Vector, int, java.lang.String)"><!-- --></A><H3>
MultipartFormDataRequest</H3>
<PRE>
public <B>MultipartFormDataRequest</B>(javax.servlet.http.HttpServletRequest&nbsp;req,
                                java.util.Vector&nbsp;listeners,
                                int&nbsp;maxcontentlength,
                                java.lang.String&nbsp;parser)
                         throws <A HREF="../../javazoom/upload/UploadException.html" title="class in javazoom.upload">UploadException</A>,
                                java.io.IOException</PRE>
<DL>
<DD>Constructs a MultipartFormDataRequest from an HttpServletRequest. Upload
 is done there. All HTTP parameters and uploaded files are loaded. You can also
 specify maximum "Content-Length" size for the POST request and the multipart parser.
<P>
</DL>
<HR>

<A NAME="MultipartFormDataRequest(javax.servlet.http.HttpServletRequest, java.util.Vector, int)"><!-- --></A><H3>
MultipartFormDataRequest</H3>
<PRE>
public <B>MultipartFormDataRequest</B>(javax.servlet.http.HttpServletRequest&nbsp;req,
                                java.util.Vector&nbsp;listeners,
                                int&nbsp;maxcontentlength)
                         throws <A HREF="../../javazoom/upload/UploadException.html" title="class in javazoom.upload">UploadException</A>,
                                java.io.IOException</PRE>
<DL>
<DD>Constructs a MultipartFormDataRequest from an HttpServletRequest. Upload
 is done there. All HTTP parameters and uploaded files are loaded. You can also
 specify maximum "Content-Length" size for the POST request.
<P>
</DL>
<HR>

<A NAME="MultipartFormDataRequest(javax.servlet.http.HttpServletRequest, java.util.Vector)"><!-- --></A><H3>
MultipartFormDataRequest</H3>
<PRE>
public <B>MultipartFormDataRequest</B>(javax.servlet.http.HttpServletRequest&nbsp;req,
                                java.util.Vector&nbsp;listeners)
                         throws <A HREF="../../javazoom/upload/UploadException.html" title="class in javazoom.upload">UploadException</A>,
                                java.io.IOException</PRE>
<DL>
<DD>Constructs a MultipartFormDataRequest from an HttpServletRequest. Upload
 is done there. All HTTP parameters and uploaded files are loaded. You can add UploadListebers too.
<P>
</DL>
<HR>

<A NAME="MultipartFormDataRequest(javax.servlet.http.HttpServletRequest)"><!-- --></A><H3>
MultipartFormDataRequest</H3>
<PRE>
public <B>MultipartFormDataRequest</B>(javax.servlet.http.HttpServletRequest&nbsp;req)
                         throws <A HREF="../../javazoom/upload/UploadException.html" title="class in javazoom.upload">UploadException</A>,
                                java.io.IOException</PRE>
<DL>
<DD>Constructs a MultipartFormDataRequest from an HttpServletRequest. Upload
 is done there. All HTTP parameters and uploaded files are loaded.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
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<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="getFiles()"><!-- --></A><H3>
getFiles</H3>
<PRE>
public java.util.Hashtable <B>getFiles</B>()</PRE>
<DL>
<DD>Returns an Hastable of UploadFile.
 Hashtable isEmpty() method returns true only if there is no input file field
 in the HTML form.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getParameterNames()"><!-- --></A><H3>
getParameterNames</H3>
<PRE>
public java.util.Enumeration <B>getParameterNames</B>()</PRE>
<DL>
<DD>Returns parameters enumeration (see SERVLETS API).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getParameter(java.lang.String)"><!-- --></A><H3>
getParameter</H3>
<PRE>
public java.lang.String <B>getParameter</B>(java.lang.String&nbsp;name)</PRE>
<DL>
<DD>Returns parameter matching to name (see SERVLETS API).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getParameterValues(java.lang.String)"><!-- --></A><H3>
getParameterValues</H3>
<PRE>
public java.lang.String[] <B>getParameterValues</B>(java.lang.String&nbsp;name)</PRE>
<DL>
<DD>Returns parameter values array for name (see SERVLETS API).
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isMultipartFormData(javax.servlet.http.HttpServletRequest)"><!-- --></A><H3>
isMultipartFormData</H3>
<PRE>
public static boolean <B>isMultipartFormData</B>(javax.servlet.http.HttpServletRequest&nbsp;req)</PRE>
<DL>
<DD>Check the content type to make sure it's "multipart/form-data"
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isParserAvailable(java.lang.String)"><!-- --></A><H3>
isParserAvailable</H3>
<PRE>
public static void <B>isParserAvailable</B>(java.lang.String&nbsp;classname)
                              throws <A HREF="../../javazoom/upload/UploadException.html" title="class in javazoom.upload">UploadException</A></PRE>
<DL>
<DD>Checks if multipart parser in CLASSPATH.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="../../javazoom/upload/UploadException.html" title="class in javazoom.upload">UploadException</A></CODE></DL>
</DD>
</DL>
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