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<div class="subTitle">org.apache.mina.filter.codec.demux</div>
<h2 title="Interface MessageEncoder" class="title">Interface MessageEncoder&lt;T&gt;</h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - The message type</dd>
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<pre>public interface <span class="typeNameLabel">MessageEncoder&lt;T&gt;</span></pre>
<div class="block">Encodes a certain type of messages.
<p>
We didn't provide any <tt>dispose</tt> method for <a href="../../../../../../org/apache/mina/filter/codec/demux/MessageEncoder.html" title="interface in org.apache.mina.filter.codec.demux"><code>MessageEncoder</code></a>
because it can give you performance penalty in case you have a lot of
message types to handle.</div>
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<dt><span class="simpleTagLabel">Author:</span></dt>
<dd><a href="http://mina.apache.org">Apache MINA Project</a></dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../org/apache/mina/filter/codec/demux/DemuxingProtocolEncoder.html" title="class in org.apache.mina.filter.codec.demux"><code>DemuxingProtocolEncoder</code></a>,
<a href="../../../../../../org/apache/mina/filter/codec/demux/MessageEncoderFactory.html" title="interface in org.apache.mina.filter.codec.demux"><code>MessageEncoderFactory</code></a></dd>
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<h3>Method Summary</h3>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/mina/filter/codec/demux/MessageEncoder.html#encode-org.apache.mina.core.session.IoSession-T-org.apache.mina.filter.codec.ProtocolEncoderOutput-">encode</a></span>(<a href="../../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
<a href="../../../../../../org/apache/mina/filter/codec/demux/MessageEncoder.html" title="type parameter in MessageEncoder">T</a>&nbsp;message,
<a href="../../../../../../org/apache/mina/filter/codec/ProtocolEncoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolEncoderOutput</a>&nbsp;out)</code>
<div class="block">Encodes higher-level message objects into binary or protocol-specific data.</div>
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<a name="encode-org.apache.mina.core.session.IoSession-java.lang.Object-org.apache.mina.filter.codec.ProtocolEncoderOutput-">
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<h4>encode</h4>
<pre>void&nbsp;encode(<a href="../../../../../../org/apache/mina/core/session/IoSession.html" title="interface in org.apache.mina.core.session">IoSession</a>&nbsp;session,
<a href="../../../../../../org/apache/mina/filter/codec/demux/MessageEncoder.html" title="type parameter in MessageEncoder">T</a>&nbsp;message,
<a href="../../../../../../org/apache/mina/filter/codec/ProtocolEncoderOutput.html" title="interface in org.apache.mina.filter.codec">ProtocolEncoderOutput</a>&nbsp;out)
throws <a href="https://docs.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>
<div class="block">Encodes higher-level message objects into binary or protocol-specific data.
MINA invokes <a href="../../../../../../org/apache/mina/filter/codec/demux/MessageEncoder.html#encode-org.apache.mina.core.session.IoSession-T-org.apache.mina.filter.codec.ProtocolEncoderOutput-"><code>encode(IoSession, Object, ProtocolEncoderOutput)</code></a>
method with message which is popped from the session write queue, and then
the encoder implementation puts encoded <a href="../../../../../../org/apache/mina/core/buffer/IoBuffer.html" title="class in org.apache.mina.core.buffer"><code>IoBuffer</code></a>s into
<a href="../../../../../../org/apache/mina/filter/codec/ProtocolEncoderOutput.html" title="interface in org.apache.mina.filter.codec"><code>ProtocolEncoderOutput</code></a>.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>session</code> - The current session</dd>
<dd><code>message</code> - The message to encode</dd>
<dd><code>out</code> - The instance of <a href="../../../../../../org/apache/mina/filter/codec/ProtocolEncoderOutput.html" title="interface in org.apache.mina.filter.codec"><code>ProtocolEncoderOutput</code></a> that will receive the encoded message</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.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 message violated protocol specification</dd>
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