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<div class="subTitle">org.apache.mina.filter.codec.statemachine</div>
<h2 title="Interface DecodingState" class="title">Interface DecodingState</h2>
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<dt>All Known Implementing Classes:</dt>
<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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<pre>public interface <span class="typeNameLabel">DecodingState</span></pre>
<div class="block">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>.</div>
<dl>
<dt><span class="simpleTagLabel">Version:</span></dt>
<dd>$Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (Thu, 26 Jun 2008) $</dd>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>The Apache MINA Project (dev@mina.apache.org)</dd>
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<h3>Method Summary</h3>
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<td class="colFirst"><code><a href="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><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></span>(<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>
<div class="block">Invoked when data is available for this state.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html#finishDecode-org.apache.mina.filter.codec.ProtocolDecoderOutput-">finishDecode</a></span>(<a href="../../../../../../org/apache/mina/filter/codec/ProtocolDecoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolDecoderOutput</a>&nbsp;out)</code>
<div class="block">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.</div>
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<h4>decode</h4>
<pre><a href="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</a>&nbsp;decode(<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 java.lang.Exception</pre>
<div class="block">Invoked when data is available for this state.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - the data to be decoded.</dd>
<dd><code>out</code> - used to write decoded objects.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<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.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.Exception</code> - if the read data violated protocol specification.</dd>
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<h4>finishDecode</h4>
<pre><a href="../../../../../../org/apache/mina/filter/codec/statemachine/DecodingState.html" title="interface in org.apache.mina.filter.codec.statemachine">DecodingState</a>&nbsp;finishDecode(<a href="../../../../../../org/apache/mina/filter/codec/ProtocolDecoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolDecoderOutput</a>&nbsp;out)
                    throws java.lang.Exception</pre>
<div class="block">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.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>out</code> - used to write decoded objects.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<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.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.Exception</code> - if the read data violated protocol specification.</dd>
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