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AbstractMessageParser (HttpComponents Core 4.2.2 API)
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org.apache.http.impl.nio.codecs</FONT>
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Class AbstractMessageParser&lt;T extends <A HREF="../../../../../../org/apache/http/HttpMessage.html" title="interface in org.apache.http">HttpMessage</A>&gt;</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.http.impl.nio.codecs.AbstractMessageParser&lt;T&gt;</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html" title="interface in org.apache.http.nio">NHttpMessageParser</A>&lt;T&gt;</DD>
</DL>
<DL>
<DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../org/apache/http/impl/nio/codecs/DefaultHttpRequestParser.html" title="class in org.apache.http.impl.nio.codecs">DefaultHttpRequestParser</A>, <A HREF="../../../../../../org/apache/http/impl/nio/codecs/DefaultHttpResponseParser.html" title="class in org.apache.http.impl.nio.codecs">DefaultHttpResponseParser</A>, <A HREF="../../../../../../org/apache/http/impl/nio/codecs/HttpRequestParser.html" title="class in org.apache.http.impl.nio.codecs">HttpRequestParser</A>, <A HREF="../../../../../../org/apache/http/impl/nio/codecs/HttpResponseParser.html" title="class in org.apache.http.impl.nio.codecs">HttpResponseParser</A></DD>
</DL>
<HR>
<DL>
<DT><PRE><FONT SIZE="-1"><A HREF="../../../../../../org/apache/http/annotation/NotThreadSafe.html" title="annotation in org.apache.http.annotation">@NotThreadSafe</A>
</FONT>public abstract class <B>AbstractMessageParser&lt;T extends <A HREF="../../../../../../org/apache/http/HttpMessage.html" title="interface in org.apache.http">HttpMessage</A>&gt;</B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html" title="interface in org.apache.http.nio">NHttpMessageParser</A>&lt;T&gt;</DL>
</PRE>
<P>
Abstract <A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html" title="interface in org.apache.http.nio"><CODE>NHttpMessageParser</CODE></A> that serves as a base for all message
parser implementations.
<p>
The following parameters can be used to customize the behavior of this
class:
<ul>
<li><A HREF="../../../../../../org/apache/http/params/CoreConnectionPNames.html#MAX_HEADER_COUNT"><CODE>CoreConnectionPNames.MAX_HEADER_COUNT</CODE></A></li>
<li><A HREF="../../../../../../org/apache/http/params/CoreConnectionPNames.html#MAX_LINE_LENGTH"><CODE>CoreConnectionPNames.MAX_LINE_LENGTH</CODE></A></li>
</ul>
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>4.0</DD>
</DL>
<HR>
<P>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../../../org/apache/http/message/LineParser.html" title="interface in org.apache.http.message">LineParser</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html#lineParser">lineParser</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD><CODE><B><A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html#AbstractMessageParser(org.apache.http.nio.reactor.SessionInputBuffer, org.apache.http.message.LineParser, org.apache.http.params.HttpParams)">AbstractMessageParser</A></B>(<A HREF="../../../../../../org/apache/http/nio/reactor/SessionInputBuffer.html" title="interface in org.apache.http.nio.reactor">SessionInputBuffer</A>&nbsp;buffer,
<A HREF="../../../../../../org/apache/http/message/LineParser.html" title="interface in org.apache.http.message">LineParser</A>&nbsp;parser,
<A HREF="../../../../../../org/apache/http/params/HttpParams.html" title="interface in org.apache.http.params">HttpParams</A>&nbsp;params)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates an instance of this class.</TD>
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<CODE>protected abstract &nbsp;<A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html" title="type parameter in AbstractMessageParser">T</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html#createMessage(org.apache.http.util.CharArrayBuffer)">createMessage</A></B>(<A HREF="../../../../../../org/apache/http/util/CharArrayBuffer.html" title="class in org.apache.http.util">CharArrayBuffer</A>&nbsp;buffer)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates <A HREF="../../../../../../org/apache/http/HttpMessage.html" title="interface in org.apache.http"><CODE>HttpMessage</CODE></A> instance based on the content of the input
buffer containing the first line of the incoming HTTP message.</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/http/impl/nio/codecs/AbstractMessageParser.html#fillBuffer(java.nio.channels.ReadableByteChannel)">fillBuffer</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/nio/channels/ReadableByteChannel.html" title="class or interface in java.nio.channels">ReadableByteChannel</A>&nbsp;channel)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Fills the internal buffer of the parser with input data from the
given <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/nio/channels/ReadableByteChannel.html" title="class or interface in java.nio.channels"><CODE>ReadableByteChannel</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html" title="type parameter in AbstractMessageParser">T</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html#parse()">parse</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Attempts to parse a complete message head from the content of the
internal buffer.</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/http/impl/nio/codecs/AbstractMessageParser.html#reset()">reset</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Resets the parser.</TD>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<A NAME="lineParser"><!-- --></A><H3>
lineParser</H3>
<PRE>
protected final <A HREF="../../../../../../org/apache/http/message/LineParser.html" title="interface in org.apache.http.message">LineParser</A> <B>lineParser</B></PRE>
<DL>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<A NAME="AbstractMessageParser(org.apache.http.nio.reactor.SessionInputBuffer, org.apache.http.message.LineParser, org.apache.http.params.HttpParams)"><!-- --></A><H3>
AbstractMessageParser</H3>
<PRE>
public <B>AbstractMessageParser</B>(<A HREF="../../../../../../org/apache/http/nio/reactor/SessionInputBuffer.html" title="interface in org.apache.http.nio.reactor">SessionInputBuffer</A>&nbsp;buffer,
<A HREF="../../../../../../org/apache/http/message/LineParser.html" title="interface in org.apache.http.message">LineParser</A>&nbsp;parser,
<A HREF="../../../../../../org/apache/http/params/HttpParams.html" title="interface in org.apache.http.params">HttpParams</A>&nbsp;params)</PRE>
<DL>
<DD>Creates an instance of this class.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>buffer</CODE> - the session input buffer.<DD><CODE>parser</CODE> - the line parser.<DD><CODE>params</CODE> - HTTP parameters.</DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html#reset()">NHttpMessageParser</A></CODE></B></DD>
<DD>Resets the parser. The parser will be ready to start parsing another
HTTP message.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html#reset()">reset</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html" title="interface in org.apache.http.nio">NHttpMessageParser</A>&lt;<A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html" title="type parameter in AbstractMessageParser">T</A> extends <A HREF="../../../../../../org/apache/http/HttpMessage.html" title="interface in org.apache.http">HttpMessage</A>&gt;</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="fillBuffer(java.nio.channels.ReadableByteChannel)"><!-- --></A><H3>
fillBuffer</H3>
<PRE>
public int <B>fillBuffer</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/nio/channels/ReadableByteChannel.html" title="class or interface in java.nio.channels">ReadableByteChannel</A>&nbsp;channel)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html#fillBuffer(java.nio.channels.ReadableByteChannel)">NHttpMessageParser</A></CODE></B></DD>
<DD>Fills the internal buffer of the parser with input data from the
given <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/nio/channels/ReadableByteChannel.html" title="class or interface in java.nio.channels"><CODE>ReadableByteChannel</CODE></A>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html#fillBuffer(java.nio.channels.ReadableByteChannel)">fillBuffer</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html" title="interface in org.apache.http.nio">NHttpMessageParser</A>&lt;<A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html" title="type parameter in AbstractMessageParser">T</A> extends <A HREF="../../../../../../org/apache/http/HttpMessage.html" title="interface in org.apache.http">HttpMessage</A>&gt;</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>channel</CODE> - the input channel
<DT><B>Returns:</B><DD>number of bytes read.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - in case of an I/O error.</DL>
</DD>
</DL>
<HR>
<A NAME="createMessage(org.apache.http.util.CharArrayBuffer)"><!-- --></A><H3>
createMessage</H3>
<PRE>
protected abstract <A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html" title="type parameter in AbstractMessageParser">T</A> <B>createMessage</B>(<A HREF="../../../../../../org/apache/http/util/CharArrayBuffer.html" title="class in org.apache.http.util">CharArrayBuffer</A>&nbsp;buffer)
throws <A HREF="../../../../../../org/apache/http/HttpException.html" title="class in org.apache.http">HttpException</A>,
<A HREF="../../../../../../org/apache/http/ParseException.html" title="class in org.apache.http">ParseException</A></PRE>
<DL>
<DD>Creates <A HREF="../../../../../../org/apache/http/HttpMessage.html" title="interface in org.apache.http"><CODE>HttpMessage</CODE></A> instance based on the content of the input
buffer containing the first line of the incoming HTTP message.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>buffer</CODE> - the line buffer.
<DT><B>Returns:</B><DD>HTTP message.
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../../../org/apache/http/HttpException.html" title="class in org.apache.http">HttpException</A></CODE> - in case of HTTP protocol violation
<DD><CODE><A HREF="../../../../../../org/apache/http/ParseException.html" title="class in org.apache.http">ParseException</A></CODE> - in case of a parse error.</DL>
</DD>
</DL>
<HR>
<A NAME="parse()"><!-- --></A><H3>
parse</H3>
<PRE>
public <A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html" title="type parameter in AbstractMessageParser">T</A> <B>parse</B>()
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A>,
<A HREF="../../../../../../org/apache/http/HttpException.html" title="class in org.apache.http">HttpException</A></PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html#parse()">NHttpMessageParser</A></CODE></B></DD>
<DD>Attempts to parse a complete message head from the content of the
internal buffer. If the message in the input buffer is incomplete
this method will return <code>null</code>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html#parse()">parse</A></CODE> in interface <CODE><A HREF="../../../../../../org/apache/http/nio/NHttpMessageParser.html" title="interface in org.apache.http.nio">NHttpMessageParser</A>&lt;<A HREF="../../../../../../org/apache/http/impl/nio/codecs/AbstractMessageParser.html" title="type parameter in AbstractMessageParser">T</A> extends <A HREF="../../../../../../org/apache/http/HttpMessage.html" title="interface in org.apache.http">HttpMessage</A>&gt;</CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>HTTP message head, if available, <code>null</code> otherwise.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - in case of an I/O error.
<DD><CODE><A HREF="../../../../../../org/apache/http/HttpException.html" title="class in org.apache.http">HttpException</A></CODE> - in case the HTTP message is malformed or
violates the HTTP protocol.</DL>
</DD>
</DL>
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