multipartstream.html

turbine教程

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The index of last valid characer in the buffer + 1.</TD>
</TR>
</TABLE>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->

<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=2><FONT SIZE="+2">
<B>Constructor Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#MultipartStream(java.io.InputStream, byte[])">MultipartStream</A></B>(java.io.InputStream&nbsp;input,
                byte[]&nbsp;boundary)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a MultipartStream with a defalut size buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#MultipartStream(java.io.InputStream, byte[], int)">MultipartStream</A></B>(java.io.InputStream&nbsp;input,
                byte[]&nbsp;boundary,
                int&nbsp;bufSize)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a MultipartStream with a custom size buffer.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

<A NAME="method_summary"><!-- --></A>
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<TD COLSPAN=2><FONT SIZE="+2">
<B>Method Summary</B></FONT></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#arrayequals(byte[], byte[], int)">arrayequals</A></B>(byte[]&nbsp;a,
            byte[]&nbsp;b,
            int&nbsp;count)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compares <code>count</code> first bytes in the arrays
 <code>a</code> and <code>b</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#discardBodyData()">discardBodyData</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reads <code>body-data</code> from the current
 <code>encapsulation</code> and discards it.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#findByte(byte, int)">findByte</A></B>(byte&nbsp;value,
         int&nbsp;pos)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Searches a byte of specified value in the <code>buffer</code>
 starting at specified <code>position</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#findSeparator()">findSeparator</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Searches the <code>boundary</code> in <code>buffer</code>
 region delimited by <code>head</code> and <code>tail</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#readBodyData(java.io.OutputStream)">readBodyData</A></B>(java.io.OutputStream&nbsp;output)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reads <code>body-data</code> from the current
 <code>encapsulation</code> and writes its contents into the
 output <code>Stream</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#readBoundary()">readBoundary</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Skips a <code>boundary</code> token, and checks wether more
 <code>encapsulations</code> are contained in the stream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#readByte()">readByte</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reads a byte from the <code>buffer</code>, and refills it as
 neccessary.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#readHeaders()">readHeaders</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reads <code>header-part</code> of the current
 <code>encapsulation</code>

 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#setBoundary(byte[])">setBoundary</A></B>(byte[]&nbsp;boundary)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Changes the boundary token used for partitioning the stream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/turbine/util/upload/MultipartStream.html#skipPreamble()">skipPreamble</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Finds the beginning of the first <code>encapsulation</code>.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
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<P>

<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
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<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
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</TABLE>

<A NAME="HEADER_PART_SIZE_MAX"><!-- --></A><H3>
HEADER_PART_SIZE_MAX</H3>
<PRE>
public static final int <B>HEADER_PART_SIZE_MAX</B></PRE>
<DL>
<DD>The maximum lenght of <code>header-part</code> that will be
 processed (10 kilobytes = 10240 bytes.
)</DL>
<HR>

<A NAME="input"><!-- --></A><H3>
input</H3>
<PRE>
protected java.io.InputStream <B>input</B></PRE>
<DL>
<DD>The stream were data is read from.</DL>
<HR>

<A NAME="boundaryLength"><!-- --></A><H3>
boundaryLength</H3>
<PRE>
protected int <B>boundaryLength</B></PRE>
<DL>
<DD>The lenght of boundary token plus leading <code>CRLF--</code>.</DL>
<HR>

<A NAME="keepRegion"><!-- --></A><H3>
keepRegion</H3>
<PRE>
protected int <B>keepRegion</B></PRE>
<DL>
<DD>The amount of data that must be kept in the buffer in order to
 detect delimiters reliably.</DL>
<HR>

<A NAME="boundary"><!-- --></A><H3>
boundary</H3>
<PRE>
protected byte[] <B>boundary</B></PRE>
<DL>
<DD>A byte sequence that partitions the stream.</DL>
<HR>

<A NAME="bufSize"><!-- --></A><H3>
bufSize</H3>
<PRE>
protected int <B>bufSize</B></PRE>
<DL>
<DD>The lenght of the buffer used for processing.</DL>
<HR>

<A NAME="DEFAULT_BUFSIZE"><!-- --></A><H3>
DEFAULT_BUFSIZE</H3>
<PRE>
protected static final int <B>DEFAULT_BUFSIZE</B></PRE>
<DL>
<DD>The default lenght of the buffer used for processing.</DL>
<HR>

<A NAME="buffer"><!-- --></A><H3>
buffer</H3>
<PRE>
protected byte[] <B>buffer</B></PRE>
<DL>
<DD>The buffer used for processing.</DL>
<HR>

<A NAME="head"><!-- --></A><H3>
head</H3>
<PRE>
protected int <B>head</B></PRE>
<DL>
<DD>The index of first valid character in the buffer.

 0 <= head < bufSize</DL>
<HR>

<A NAME="tail"><!-- --></A><H3>
tail</H3>
<PRE>
protected int <B>tail</B></PRE>
<DL>
<DD>The index of last valid characer in the buffer + 1.

 0 <= tail <= bufSize</DL>
<HR>

<A NAME="HEADER_SEPARATOR"><!-- --></A><H3>
HEADER_SEPARATOR</H3>
<PRE>
protected static final byte[] <B>HEADER_SEPARATOR</B></PRE>
<DL>
<DD>A byte sequence that marks the end of <code>header-part</code>
 (<code>CRLFCRLF</code>).</DL>
<HR>

<A NAME="FIELD_SEPARATOR"><!-- --></A><H3>
FIELD_SEPARATOR</H3>
<PRE>
protected static final byte[] <B>FIELD_SEPARATOR</B></PRE>
<DL>
<DD>A byte sequence that that follows a delimiter that will be
 followed by an encapsulation (<code>CRLF</code>).</DL>
<HR>

<A NAME="STREAM_TERMINATOR"><!-- --></A><H3>
STREAM_TERMINATOR</H3>
<PRE>
protected static final byte[] <B>STREAM_TERMINATOR</B></PRE>
<DL>
<DD>A byte sequence that that follows a delimiter of the last
 encapsulation in the stream (<code>--</code>).</DL>