defaultiofilterchain.html

MINA+API 关于MINA的API

<a name="249" href="#249">249</a>         }
<a name="250" href="#250">250</a>     }
<a name="251" href="#251">251</a> 
<a name="252" href="#252">252</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> register(<a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> prevEntry, String name, <a href="../../../../org/apache/mina/common/IoFilter.html">IoFilter</a> filter) {
<a name="253" href="#253">253</a>         <a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> newEntry = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a>(prevEntry, prevEntry.nextEntry,
<a name="254" href="#254">254</a>                 name, filter);
<a name="255" href="#255">255</a> 
<a name="256" href="#256">256</a>         <strong class="jxr_keyword">try</strong> {
<a name="257" href="#257">257</a>             filter.onPreAdd(<strong class="jxr_keyword">this</strong>, name, newEntry.getNextFilter());
<a name="258" href="#258">258</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="259" href="#259">259</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/IoFilterLifeCycleException.html">IoFilterLifeCycleException</a>(<span class="jxr_string">"onPreAdd(): "</span> + name + ':'
<a name="260" href="#260">260</a>                     + filter + <span class="jxr_string">" in "</span> + getSession(), e);
<a name="261" href="#261">261</a>         }
<a name="262" href="#262">262</a> 
<a name="263" href="#263">263</a>         prevEntry.nextEntry.prevEntry = newEntry;
<a name="264" href="#264">264</a>         prevEntry.nextEntry = newEntry;
<a name="265" href="#265">265</a>         name2entry.put(name, newEntry);
<a name="266" href="#266">266</a> 
<a name="267" href="#267">267</a>         <strong class="jxr_keyword">try</strong> {
<a name="268" href="#268">268</a>             filter.onPostAdd(<strong class="jxr_keyword">this</strong>, name, newEntry.getNextFilter());
<a name="269" href="#269">269</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="270" href="#270">270</a>             deregister0(newEntry);
<a name="271" href="#271">271</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/IoFilterLifeCycleException.html">IoFilterLifeCycleException</a>(<span class="jxr_string">"onPostAdd(): "</span> + name + ':'
<a name="272" href="#272">272</a>                     + filter + <span class="jxr_string">" in "</span> + getSession(), e);
<a name="273" href="#273">273</a>         }
<a name="274" href="#274">274</a>     }
<a name="275" href="#275">275</a> 
<a name="276" href="#276">276</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> deregister(<a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> entry) {
<a name="277" href="#277">277</a>         <a href="../../../../org/apache/mina/common/IoFilter.html">IoFilter</a> filter = entry.getFilter();
<a name="278" href="#278">278</a> 
<a name="279" href="#279">279</a>         <strong class="jxr_keyword">try</strong> {
<a name="280" href="#280">280</a>             filter.onPreRemove(<strong class="jxr_keyword">this</strong>, entry.getName(), entry.getNextFilter());
<a name="281" href="#281">281</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="282" href="#282">282</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/IoFilterLifeCycleException.html">IoFilterLifeCycleException</a>(<span class="jxr_string">"onPreRemove(): "</span>
<a name="283" href="#283">283</a>                     + entry.getName() + ':' + filter + <span class="jxr_string">" in "</span> + getSession(), e);
<a name="284" href="#284">284</a>         }
<a name="285" href="#285">285</a> 
<a name="286" href="#286">286</a>         deregister0(entry);
<a name="287" href="#287">287</a> 
<a name="288" href="#288">288</a>         <strong class="jxr_keyword">try</strong> {
<a name="289" href="#289">289</a>             filter.onPostRemove(<strong class="jxr_keyword">this</strong>, entry.getName(), entry.getNextFilter());
<a name="290" href="#290">290</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="291" href="#291">291</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/IoFilterLifeCycleException.html">IoFilterLifeCycleException</a>(<span class="jxr_string">"onPostRemove(): "</span>
<a name="292" href="#292">292</a>                     + entry.getName() + ':' + filter + <span class="jxr_string">" in "</span> + getSession(), e);
<a name="293" href="#293">293</a>         }
<a name="294" href="#294">294</a>     }
<a name="295" href="#295">295</a> 
<a name="296" href="#296">296</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> deregister0(<a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> entry) {
<a name="297" href="#297">297</a>         <a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> prevEntry = entry.prevEntry;
<a name="298" href="#298">298</a>         <a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> nextEntry = entry.nextEntry;
<a name="299" href="#299">299</a>         prevEntry.nextEntry = nextEntry;
<a name="300" href="#300">300</a>         nextEntry.prevEntry = prevEntry;
<a name="301" href="#301">301</a> 
<a name="302" href="#302">302</a>         name2entry.remove(entry.name);
<a name="303" href="#303">303</a>     }
<a name="304" href="#304">304</a> 
<a name="305" href="#305">305</a>     <em class="jxr_javadoccomment">/**</em>
<a name="306" href="#306">306</a> <em class="jxr_javadoccomment">     * Throws an exception when the specified filter name is not registered in this chain.</em>
<a name="307" href="#307">307</a> <em class="jxr_javadoccomment">     *</em>
<a name="308" href="#308">308</a> <em class="jxr_javadoccomment">     * @return An filter entry with the specified name.</em>
<a name="309" href="#309">309</a> <em class="jxr_javadoccomment">     */</em>
<a name="310" href="#310">310</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> checkOldName(String baseName) {
<a name="311" href="#311">311</a>         <a href="../../../../org/apache/mina/common/DefaultIoFilterChain.html">EntryImpl</a> e = (EntryImpl) name2entry.get(baseName);
<a name="312" href="#312">312</a>         <strong class="jxr_keyword">if</strong> (e == <strong class="jxr_keyword">null</strong>) {
<a name="313" href="#313">313</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Filter not found:"</span> + baseName);
<a name="314" href="#314">314</a>         }
<a name="315" href="#315">315</a>         <strong class="jxr_keyword">return</strong> e;
<a name="316" href="#316">316</a>     }
<a name="317" href="#317">317</a> 
<a name="318" href="#318">318</a>     <em class="jxr_javadoccomment">/**</em>
<a name="319" href="#319">319</a> <em class="jxr_javadoccomment">     * Checks the specified filter name is already taken and throws an exception if already taken.</em>
<a name="320" href="#320">320</a> <em class="jxr_javadoccomment">     */</em>
<a name="321" href="#321">321</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkAddable(String name) {
<a name="322" href="#322">322</a>         <strong class="jxr_keyword">if</strong> (name2entry.containsKey(name)) {
<a name="323" href="#323">323</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a name="324" href="#324">324</a>                     <span class="jxr_string">"Other filter is using the same name '"</span> + name + <span class="jxr_string">"'"</span>);
<a name="325" href="#325">325</a>         }
<a name="326" href="#326">326</a>     }
<a name="327" href="#327">327</a> 
<a name="328" href="#328">328</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fireSessionCreated() {
<a name="329" href="#329">329</a>         <a href="../../../../org/apache/mina/common/IoFilterChain.html">Entry</a> head = <strong class="jxr_keyword">this</strong>.head;
<a name="330" href="#330">330</a>         callNextSessionCreated(head, session);
<a name="331" href="#331">331</a>     }
<a name="332" href="#332">332</a> 
<a name="333" href="#333">333</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> callNextSessionCreated(<a href="../../../../org/apache/mina/common/IoFilterChain.html">Entry</a> entry, <a href="../../../../org/apache/mina/common/IoSession.html">IoSession</a> session) {
<a name="334" href="#334">334</a>         <strong class="jxr_keyword">try</strong> {
<a name="335" href="#335">335</a>             entry.getFilter().sessionCreated(entry.getNextFilter(), session);
<a name="336" href="#336">336</a>         } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a name="337" href="#337">337</a>             fireExceptionCaught(e);
<a name="338" href="#338">338</a>         }
<a name="339" href="#339">339</a>     }
<a name="340" href="#340">340</a> 
<a name="341" href="#341">341</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fireSessionOpened() {
<a name="342" href="#342">342</a>         <a href="../../../../org/apache/mina/common/IoFilterChain.html">Entry</a> head = <strong class="jxr_keyword">this</strong>.head;
<a name="343" href="#343">343</a>         callNextSessionOpened(head, session);
<a name="344" href="#344">344</a>     }
<a name="345" href="#345">345</a> 
<a name="346" href="#346">346</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> callNextSessionOpened(<a href="../../../../org/apache/mina/common/IoFilterChain.html">Entry</a> entry, <a href="../../../../org/apache/mina/common/IoSession.html">IoSession</a> session) {
<a name="347" href="#347">347</a>         <strong class="jxr_keyword">try</strong> {
<a name="348" href="#348">348</a>             entry.getFilter().sessionOpened(entry.getNextFilter(), session);
<a name="349" href="#349">349</a>         } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a name="350" href="#350">350</a>             fireExceptionCaught(e);
<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">public</strong> <strong class="jxr_keyword">void</strong> fireSessionClosed() {
<a name="355" href="#355">355</a>         <em class="jxr_comment">// Update future.</em>
<a name="356" href="#356">356</a>         <strong class="jxr_keyword">try</strong> {
<a name="357" href="#357">357</a>             session.getCloseFuture().setClosed();
<a name="358" href="#358">358</a>         } <strong class="jxr_keyword">catch</strong> (Throwable t) {
<a name="359" href="#359">359</a>             fireExceptionCaught(t);
<a name="360" href="#360">360</a>         }
<a name="361" href="#361">361</a> 
<a name="362" href="#362">362</a>         <em class="jxr_comment">// And start the chain.</em>
<a name="363" href="#363">363</a>         <a href="../../../../org/apache/mina/common/IoFilterChain.html">Entry</a> head = <strong class="jxr_keyword">this</strong>.head;
<a name="364" href="#364">364</a>         callNextSessionClosed(head, session);
<a name="365" href="#365">365</a>     }
<a name="366" href="#366">366</a> 
<a name="367" href="#367">367</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> callNextSessionClosed(<a href="../../../../org/apache/mina/common/IoFilterChain.html">Entry</a> entry, <a href="../../../../org/apache/mina/common/IoSession.html">IoSession</a> session) {
<a name="368" href="#368">368</a>         <strong class="jxr_keyword">try</strong> {
<a name="369" href="#369">369</a>             entry.getFilter().sessionClosed(entry.getNextFilter(), session);
<a name="370" href="#370">370</a>         } <strong class="jxr_keyword">catch</strong> (Throwable e) {
<a name="371" href="#371">371</a>             fireExceptionCaught(e);
<a name="372" href="#372">372</a>         }
<a name="373" href="#373">373</a>     }
<a name="374" href="#374">374</a> 
<a name="375" href="#375">375</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fireSessionIdle(<a href="../../../../org/apache/mina/common/IdleStatus.html">IdleStatus</a> status) {
<a name="376" href="#376">376</a>         session.increaseIdleCount(status, System.currentTimeMillis());
<a name="377" href="#377">377</a>         <a href="../../../../org/apache/mina/common/IoFilterChain.html">Entry</a> head = <strong class="jxr_keyword">this</strong>.head;