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DecodingState (Apache MINA 2.0.5 API)
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org.apache.mina.filter.codec.statemachine</FONT>
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Interface DecodingState</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/ConsumeToCrLfDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">ConsumeToCrLfDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/ConsumeToDynamicTerminatorDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">ConsumeToDynamicTerminatorDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/ConsumeToEndOfSessionDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">ConsumeToEndOfSessionDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/ConsumeToLinearWhitespaceDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">ConsumeToLinearWhitespaceDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/ConsumeToTerminatorDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">ConsumeToTerminatorDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/CrLfDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">CrLfDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingStateMachine.html" title="class in org.apache.mina.filter.codec.statemachine">DecodingStateMachine</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/FixedLengthDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">FixedLengthDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/IntegerDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">IntegerDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/LinearWhitespaceSkippingState.html" title="class in org.apache.mina.filter.codec.statemachine">LinearWhitespaceSkippingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/ShortIntegerDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">ShortIntegerDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/SingleByteDecodingState.html" title="class in org.apache.mina.filter.codec.statemachine">SingleByteDecodingState</A>, <A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/SkippingState.html" title="class in org.apache.mina.filter.codec.statemachine">SkippingState</A></DD>
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<DT><PRE>public interface <B>DecodingState</B></DL>
</PRE>
<P>
Represents a state in a decoder state machine used by
<A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingStateMachine.html" title="class in org.apache.mina.filter.codec.statemachine"><CODE>DecodingStateMachine</CODE></A>.
<P>
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<DT><B>Author:</B></DT>
<DD><a href="http://mina.apache.org">Apache MINA Project</a></DD>
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<CODE>&nbsp;<A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html#decode(org.apache.mina.core.buffer.IoBuffer, org.apache.mina.filter.codec.ProtocolDecoderOutput)">decode</A></B>(<A HREF="../../../../../../org/apache/mina/core/buffer/IoBuffer.html" title="class in org.apache.mina.core.buffer">IoBuffer</A>&nbsp;in,
<A HREF="../../../../../../org/apache/mina/filter/codec/ProtocolDecoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolDecoderOutput</A>&nbsp;out)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Invoked when data is available for this state.</TD>
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<CODE>&nbsp;<A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html#finishDecode(org.apache.mina.filter.codec.ProtocolDecoderOutput)">finishDecode</A></B>(<A HREF="../../../../../../org/apache/mina/filter/codec/ProtocolDecoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolDecoderOutput</A>&nbsp;out)</CODE>
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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Invoked when the associated <A HREF="../../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session"><CODE>IoSession</CODE></A> is closed.</TD>
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<A NAME="decode(org.apache.mina.core.buffer.IoBuffer, org.apache.mina.filter.codec.ProtocolDecoderOutput)"><!-- --></A><H3>
decode</H3>
<PRE>
<A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</A> <B>decode</B>(<A HREF="../../../../../../org/apache/mina/core/buffer/IoBuffer.html" title="class in org.apache.mina.core.buffer">IoBuffer</A>&nbsp;in,
<A HREF="../../../../../../org/apache/mina/filter/codec/ProtocolDecoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolDecoderOutput</A>&nbsp;out)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE>
<DL>
<DD>Invoked when data is available for this state.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>in</CODE> - the data to be decoded.<DD><CODE>out</CODE> - used to write decoded objects.
<DT><B>Returns:</B><DD>the next state if a state transition was triggered (use
<code>this</code> for loop transitions) or <code>null</code> if
the state machine has reached its end.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE> - if the read data violated protocol specification.</DL>
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<A NAME="finishDecode(org.apache.mina.filter.codec.ProtocolDecoderOutput)"><!-- --></A><H3>
finishDecode</H3>
<PRE>
<A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</A> <B>finishDecode</B>(<A HREF="../../../../../../org/apache/mina/filter/codec/ProtocolDecoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolDecoderOutput</A>&nbsp;out)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></PRE>
<DL>
<DD>Invoked when the associated <A HREF="../../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session"><CODE>IoSession</CODE></A> is closed. This method is
useful when you deal with protocols which don't specify the length of a
message (e.g. HTTP responses without <tt>content-length</tt> header).
Implement this method to process the remaining data that
<A HREF="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html#decode(org.apache.mina.core.buffer.IoBuffer, org.apache.mina.filter.codec.ProtocolDecoderOutput)"><CODE>decode(IoBuffer, ProtocolDecoderOutput)</CODE></A> method didn't process
completely.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - used to write decoded objects.
<DT><B>Returns:</B><DD>the next state if a state transition was triggered (use
<code>this</code> for loop transitions) or <code>null</code> if
the state machine has reached its end.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</A></CODE> - if the read data violated protocol specification.</DL>
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