methodtransition.html

MINA+API 关于MINA的API

<a name="209" href="#209">209</a>         
<a name="210" href="#210">210</a>         Object[] args = <strong class="jxr_keyword">new</strong> Object[types.length];
<a name="211" href="#211">211</a>         
<a name="212" href="#212">212</a>         <strong class="jxr_keyword">int</strong> i = 0;
<a name="213" href="#213">213</a>         <strong class="jxr_keyword">if</strong> (match(types[i], event, Event.<strong class="jxr_keyword">class</strong>)) {
<a name="214" href="#214">214</a>             args[i++] = event;
<a name="215" href="#215">215</a>         }
<a name="216" href="#216">216</a>         <strong class="jxr_keyword">if</strong> (i &lt; args.length &amp;&amp; match(types[i], event.getContext(), StateContext.<strong class="jxr_keyword">class</strong>)) {
<a name="217" href="#217">217</a>             args[i++] = event.getContext();
<a name="218" href="#218">218</a>         }
<a name="219" href="#219">219</a>         Object[] eventArgs = event.getArguments();
<a name="220" href="#220">220</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; i &lt; args.length &amp;&amp; j &lt; eventArgs.length; j++) {
<a name="221" href="#221">221</a>             <strong class="jxr_keyword">if</strong> (match(types[i], eventArgs[j], Object.<strong class="jxr_keyword">class</strong>)) {
<a name="222" href="#222">222</a>                 args[i++] = eventArgs[j];
<a name="223" href="#223">223</a>             }
<a name="224" href="#224">224</a>         }
<a name="225" href="#225">225</a>         
<a name="226" href="#226">226</a>         <strong class="jxr_keyword">if</strong> (args.length &gt; i) {
<a name="227" href="#227">227</a>             <strong class="jxr_keyword">return</strong> false;
<a name="228" href="#228">228</a>         }
<a name="229" href="#229">229</a>         
<a name="230" href="#230">230</a>         invokeMethod(args);
<a name="231" href="#231">231</a>         
<a name="232" href="#232">232</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="233" href="#233">233</a>     }
<a name="234" href="#234">234</a>     
<a name="235" href="#235">235</a>     @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a name="236" href="#236">236</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> match(Class&lt;?&gt; paramType, Object arg, Class argType) {
<a name="237" href="#237">237</a>         <strong class="jxr_keyword">if</strong> (paramType.isPrimitive()) {
<a name="238" href="#238">238</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Boolean.TYPE)) {
<a name="239" href="#239">239</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Boolean;
<a name="240" href="#240">240</a>             }
<a name="241" href="#241">241</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Integer.TYPE)) {
<a name="242" href="#242">242</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Integer;
<a name="243" href="#243">243</a>             }
<a name="244" href="#244">244</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Long.TYPE)) {
<a name="245" href="#245">245</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Long;
<a name="246" href="#246">246</a>             }
<a name="247" href="#247">247</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Short.TYPE)) {
<a name="248" href="#248">248</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Short;
<a name="249" href="#249">249</a>             }
<a name="250" href="#250">250</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Byte.TYPE)) {
<a name="251" href="#251">251</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Byte;
<a name="252" href="#252">252</a>             }
<a name="253" href="#253">253</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Double.TYPE)) {
<a name="254" href="#254">254</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Double;
<a name="255" href="#255">255</a>             }
<a name="256" href="#256">256</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Float.TYPE)) {
<a name="257" href="#257">257</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Float;
<a name="258" href="#258">258</a>             }
<a name="259" href="#259">259</a>             <strong class="jxr_keyword">if</strong> (paramType.equals(Character.TYPE)) {
<a name="260" href="#260">260</a>                 <strong class="jxr_keyword">return</strong> arg instanceof Character;
<a name="261" href="#261">261</a>             }
<a name="262" href="#262">262</a>         }
<a name="263" href="#263">263</a>         <strong class="jxr_keyword">return</strong> argType.isAssignableFrom(paramType) 
<a name="264" href="#264">264</a>                 &amp;&amp; paramType.isAssignableFrom(arg.getClass());
<a name="265" href="#265">265</a>     }
<a name="266" href="#266">266</a> 
<a name="267" href="#267">267</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> invokeMethod(Object[] arguments) {
<a name="268" href="#268">268</a>         <strong class="jxr_keyword">try</strong> {
<a name="269" href="#269">269</a>             <strong class="jxr_keyword">if</strong> (log.isDebugEnabled()) {
<a name="270" href="#270">270</a>                 log.debug(<span class="jxr_string">"Executing method "</span> + method 
<a name="271" href="#271">271</a>                         + <span class="jxr_string">" with arguments "</span> + Arrays.asList(arguments));
<a name="272" href="#272">272</a>             }
<a name="273" href="#273">273</a>             method.invoke(target, arguments);
<a name="274" href="#274">274</a>         } <strong class="jxr_keyword">catch</strong> (InvocationTargetException ite) {
<a name="275" href="#275">275</a>             <strong class="jxr_keyword">if</strong> (ite.getCause() instanceof RuntimeException) {
<a name="276" href="#276">276</a>                 <strong class="jxr_keyword">throw</strong> (RuntimeException) ite.getCause();
<a name="277" href="#277">277</a>             }
<a name="278" href="#278">278</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/statemachine/transition/MethodInvocationException.html">MethodInvocationException</a>(method, ite);
<a name="279" href="#279">279</a>         } <strong class="jxr_keyword">catch</strong> (IllegalAccessException iae) {
<a name="280" href="#280">280</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/statemachine/transition/MethodInvocationException.html">MethodInvocationException</a>(method, iae);
<a name="281" href="#281">281</a>         }
<a name="282" href="#282">282</a>     }
<a name="283" href="#283">283</a>     
<a name="284" href="#284">284</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object o) {
<a name="285" href="#285">285</a>         <strong class="jxr_keyword">if</strong> (!(o instanceof MethodTransition)) {
<a name="286" href="#286">286</a>             <strong class="jxr_keyword">return</strong> false;
<a name="287" href="#287">287</a>         }
<a name="288" href="#288">288</a>         <strong class="jxr_keyword">if</strong> (o == <strong class="jxr_keyword">this</strong>) {
<a name="289" href="#289">289</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="290" href="#290">290</a>         }
<a name="291" href="#291">291</a>         <a href="../../../../../org/apache/mina/statemachine/transition/MethodTransition.html">MethodTransition</a> that = (MethodTransition) o;
<a name="292" href="#292">292</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> EqualsBuilder()
<a name="293" href="#293">293</a>             .appendSuper(<strong class="jxr_keyword">super</strong>.equals(that))
<a name="294" href="#294">294</a>             .append(method, that.method)
<a name="295" href="#295">295</a>             .append(target, that.target)
<a name="296" href="#296">296</a>             .isEquals();
<a name="297" href="#297">297</a>     }
<a name="298" href="#298">298</a> 
<a name="299" href="#299">299</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode() {
<a name="300" href="#300">300</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> HashCodeBuilder(13, 33).appendSuper(<strong class="jxr_keyword">super</strong>.hashCode()).append(method).append(target).toHashCode();
<a name="301" href="#301">301</a>     }
<a name="302" href="#302">302</a> 
<a name="303" href="#303">303</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a name="304" href="#304">304</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ToStringBuilder(<strong class="jxr_keyword">this</strong>)
<a name="305" href="#305">305</a>             .appendSuper(<strong class="jxr_keyword">super</strong>.toString())
<a name="306" href="#306">306</a>             .append(<span class="jxr_string">"method"</span>, method)
<a name="307" href="#307">307</a>             .append(<span class="jxr_string">"target"</span>, target)
<a name="308" href="#308">308</a>             .toString();
<a name="309" href="#309">309</a>     }
<a name="310" href="#310">310</a> }
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