protocolcodecfilter.html

MINA+API 关于MINA的API

<a name="336" href="#336">336</a>             decoder.dispose(session);
<a name="337" href="#337">337</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a name="338" href="#338">338</a>             logger.warn(
<a name="339" href="#339">339</a>                     <span class="jxr_string">"Falied to dispose: "</span> + decoder.getClass().getName() + <span class="jxr_string">" ("</span> + decoder + ')');
<a name="340" href="#340">340</a>         }
<a name="341" href="#341">341</a>     }
<a name="342" href="#342">342</a> 
<a name="343" href="#343">343</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> disposeDecoderOut(<a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session) {
<a name="344" href="#344">344</a>         session.removeAttribute(DECODER_OUT);
<a name="345" href="#345">345</a>     }
<a name="346" href="#346">346</a> 
<a name="347" href="#347">347</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">EncodedWriteRequest</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/mina/common/DefaultWriteRequest.html">DefaultWriteRequest</a> {
<a name="348" href="#348">348</a>         <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">EncodedWriteRequest</a>(Object encodedMessage,
<a name="349" href="#349">349</a>                 <a href="../../../../../org/apache/mina/common/WriteFuture.html">WriteFuture</a> future, SocketAddress destination) {
<a name="350" href="#350">350</a>             <strong class="jxr_keyword">super</strong>(encodedMessage, future, destination);
<a name="351" href="#351">351</a>         }
<a name="352" href="#352">352</a>     }
<a name="353" href="#353">353</a> 
<a name="354" href="#354">354</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">MessageWriteRequest</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/mina/common/WriteRequestWrapper.html">WriteRequestWrapper</a> {
<a name="355" href="#355">355</a>         <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">MessageWriteRequest</a>(<a href="../../../../../org/apache/mina/common/WriteRequest.html">WriteRequest</a> writeRequest) {
<a name="356" href="#356">356</a>             <strong class="jxr_keyword">super</strong>(writeRequest);
<a name="357" href="#357">357</a>         }
<a name="358" href="#358">358</a> 
<a name="359" href="#359">359</a>         @Override
<a name="360" href="#360">360</a>         <strong class="jxr_keyword">public</strong> Object getMessage() {
<a name="361" href="#361">361</a>             <strong class="jxr_keyword">return</strong> EMPTY_BUFFER;
<a name="362" href="#362">362</a>         }
<a name="363" href="#363">363</a>     }
<a name="364" href="#364">364</a> 
<a name="365" href="#365">365</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">ProtocolDecoderOutputImpl</a> <strong class="jxr_keyword">extends</strong>
<a name="366" href="#366">366</a>             <a href="../../../../../org/apache/mina/filter/codec/AbstractProtocolDecoderOutput.html">AbstractProtocolDecoderOutput</a> {
<a name="367" href="#367">367</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session;
<a name="368" href="#368">368</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/mina/common/IoFilter.html">NextFilter</a> nextFilter;
<a name="369" href="#369">369</a> 
<a name="370" href="#370">370</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">ProtocolDecoderOutputImpl</a>(
<a name="371" href="#371">371</a>                 <a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session, <a href="../../../../../org/apache/mina/common/IoFilter.html">NextFilter</a> nextFilter) {
<a name="372" href="#372">372</a>             <strong class="jxr_keyword">this</strong>.session = session;
<a name="373" href="#373">373</a>             <strong class="jxr_keyword">this</strong>.nextFilter = nextFilter;
<a name="374" href="#374">374</a>         }
<a name="375" href="#375">375</a> 
<a name="376" href="#376">376</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> flush() {
<a name="377" href="#377">377</a>             Queue&lt;Object&gt; messageQueue = getMessageQueue();
<a name="378" href="#378">378</a>             <strong class="jxr_keyword">while</strong> (!messageQueue.isEmpty()) {
<a name="379" href="#379">379</a>                 nextFilter.messageReceived(session, messageQueue.poll());
<a name="380" href="#380">380</a>             }
<a name="381" href="#381">381</a>         }
<a name="382" href="#382">382</a>     }
<a name="383" href="#383">383</a> 
<a name="384" href="#384">384</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">ProtocolEncoderOutputImpl</a> <strong class="jxr_keyword">extends</strong>
<a name="385" href="#385">385</a>             <a href="../../../../../org/apache/mina/filter/codec/AbstractProtocolEncoderOutput.html">AbstractProtocolEncoderOutput</a> {
<a name="386" href="#386">386</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session;
<a name="387" href="#387">387</a> 
<a name="388" href="#388">388</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/mina/common/IoFilter.html">NextFilter</a> nextFilter;
<a name="389" href="#389">389</a> 
<a name="390" href="#390">390</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/mina/common/WriteRequest.html">WriteRequest</a> writeRequest;
<a name="391" href="#391">391</a> 
<a name="392" href="#392">392</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">ProtocolEncoderOutputImpl</a>(<a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session,
<a name="393" href="#393">393</a>                 <a href="../../../../../org/apache/mina/common/IoFilter.html">NextFilter</a> nextFilter, <a href="../../../../../org/apache/mina/common/WriteRequest.html">WriteRequest</a> writeRequest) {
<a name="394" href="#394">394</a>             <strong class="jxr_keyword">this</strong>.session = session;
<a name="395" href="#395">395</a>             <strong class="jxr_keyword">this</strong>.nextFilter = nextFilter;
<a name="396" href="#396">396</a>             <strong class="jxr_keyword">this</strong>.writeRequest = writeRequest;
<a name="397" href="#397">397</a>         }
<a name="398" href="#398">398</a> 
<a name="399" href="#399">399</a>         <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/common/WriteFuture.html">WriteFuture</a> flush() {
<a name="400" href="#400">400</a>             Queue&lt;Object&gt; bufferQueue = getMessageQueue();
<a name="401" href="#401">401</a>             <a href="../../../../../org/apache/mina/common/WriteFuture.html">WriteFuture</a> future = <strong class="jxr_keyword">null</strong>;
<a name="402" href="#402">402</a>             <strong class="jxr_keyword">for</strong> (;;) {
<a name="403" href="#403">403</a>                 Object encodedMessage = bufferQueue.poll();
<a name="404" href="#404">404</a>                 <strong class="jxr_keyword">if</strong> (encodedMessage == <strong class="jxr_keyword">null</strong>) {
<a name="405" href="#405">405</a>                     <strong class="jxr_keyword">break</strong>;
<a name="406" href="#406">406</a>                 }
<a name="407" href="#407">407</a> 
<a name="408" href="#408">408</a>                 <em class="jxr_comment">// Flush only when the buffer has remaining.</em>
<a name="409" href="#409">409</a>                 <strong class="jxr_keyword">if</strong> (!(encodedMessage instanceof IoBuffer) ||
<a name="410" href="#410">410</a>                         ((<a href="../../../../../org/apache/mina/common/IoBuffer.html">IoBuffer</a>) encodedMessage).hasRemaining()) {
<a name="411" href="#411">411</a>                     future = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/common/DefaultWriteFuture.html">DefaultWriteFuture</a>(session);
<a name="412" href="#412">412</a>                     nextFilter.filterWrite(session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">EncodedWriteRequest</a>(encodedMessage,
<a name="413" href="#413">413</a>                             future, writeRequest.getDestination()));
<a name="414" href="#414">414</a>                 }
<a name="415" href="#415">415</a>             }
<a name="416" href="#416">416</a> 
<a name="417" href="#417">417</a>             <strong class="jxr_keyword">if</strong> (future == <strong class="jxr_keyword">null</strong>) {
<a name="418" href="#418">418</a>                 future = DefaultWriteFuture.newNotWrittenFuture(
<a name="419" href="#419">419</a>                         session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/common/NothingWrittenException.html">NothingWrittenException</a>(writeRequest));
<a name="420" href="#420">420</a>             }
<a name="421" href="#421">421</a> 
<a name="422" href="#422">422</a>             <strong class="jxr_keyword">return</strong> future;
<a name="423" href="#423">423</a>         }
<a name="424" href="#424">424</a>         
<a name="425" href="#425">425</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> flushWithoutFuture() {
<a name="426" href="#426">426</a>             Queue&lt;Object&gt; bufferQueue = getMessageQueue();
<a name="427" href="#427">427</a>             <strong class="jxr_keyword">for</strong> (;;) {
<a name="428" href="#428">428</a>                 Object encodedMessage = bufferQueue.poll();
<a name="429" href="#429">429</a>                 <strong class="jxr_keyword">if</strong> (encodedMessage == <strong class="jxr_keyword">null</strong>) {
<a name="430" href="#430">430</a>                     <strong class="jxr_keyword">break</strong>;
<a name="431" href="#431">431</a>                 }
<a name="432" href="#432">432</a> 
<a name="433" href="#433">433</a>                 <em class="jxr_comment">// Flush only when the buffer has remaining.</em>
<a name="434" href="#434">434</a>                 <strong class="jxr_keyword">if</strong> (!(encodedMessage instanceof IoBuffer) ||
<a name="435" href="#435">435</a>                         ((<a href="../../../../../org/apache/mina/common/IoBuffer.html">IoBuffer</a>) encodedMessage).hasRemaining()) {
<a name="436" href="#436">436</a>                     nextFilter.filterWrite(
<a name="437" href="#437">437</a>                             session, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolCodecFilter.html">EncodedWriteRequest</a>(
<a name="438" href="#438">438</a>                                     encodedMessage, <strong class="jxr_keyword">null</strong>, writeRequest.getDestination()));
<a name="439" href="#439">439</a>                 }
<a name="440" href="#440">440</a>             }
<a name="441" href="#441">441</a>         }
<a name="442" href="#442">442</a>     }
<a name="443" href="#443">443</a> }
</pre>
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