statemachineproxyfactory.html

MINA+API 关于MINA的API

<a name="69" href="#69">69</a>              <a href="../../../../org/apache/mina/statemachine/event/EventArgumentsInterceptor.html">EventArgumentsInterceptor</a> interceptor, <a href="../../../../org/apache/mina/statemachine/event/EventFactory.html">EventFactory</a> eventFactory) {
<a name="70" href="#70">70</a>          <strong class="jxr_keyword">return</strong> (T) create(<strong class="jxr_keyword">new</strong> Class[] { iface }, sm, contextLookup, interceptor, eventFactory);
<a name="71" href="#71">71</a>      }
<a name="72" href="#72">72</a>      
<a name="73" href="#73">73</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Object create(Class&lt;?&gt;[] ifaces, <a href="../../../../org/apache/mina/statemachine/StateMachine.html">StateMachine</a> sm) {
<a name="74" href="#74">74</a>          <strong class="jxr_keyword">return</strong> create(ifaces, sm, <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/statemachine/context/SingletonStateContextLookup.html">SingletonStateContextLookup</a>());
<a name="75" href="#75">75</a>      }
<a name="76" href="#76">76</a>      
<a name="77" href="#77">77</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Object create(Class&lt;?&gt;[] ifaces, <a href="../../../../org/apache/mina/statemachine/StateMachine.html">StateMachine</a> sm, <a href="../../../../org/apache/mina/statemachine/context/StateContextLookup.html">StateContextLookup</a> contextLookup) {
<a name="78" href="#78">78</a>          <strong class="jxr_keyword">return</strong> create(ifaces, sm, contextLookup, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/statemachine/event/DefaultEventFactory.html">DefaultEventFactory</a>());
<a name="79" href="#79">79</a>      }
<a name="80" href="#80">80</a>      
<a name="81" href="#81">81</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Object create(Class&lt;?&gt;[] ifaces, <a href="../../../../org/apache/mina/statemachine/StateMachine.html">StateMachine</a> sm, <a href="../../../../org/apache/mina/statemachine/context/StateContextLookup.html">StateContextLookup</a> contextLookup,
<a name="82" href="#82">82</a>              <a href="../../../../org/apache/mina/statemachine/event/EventArgumentsInterceptor.html">EventArgumentsInterceptor</a> interceptor, <a href="../../../../org/apache/mina/statemachine/event/EventFactory.html">EventFactory</a> eventFactory) {
<a name="83" href="#83">83</a>  
<a name="84" href="#84">84</a>          ClassLoader cl = StateMachineProxyFactory.<strong class="jxr_keyword">class</strong>.getClassLoader();
<a name="85" href="#85">85</a>          InvocationHandler handler = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/statemachine/StateMachineProxyFactory.html">MethodInvocationHandler</a>(sm, contextLookup, interceptor, eventFactory);
<a name="86" href="#86">86</a>  
<a name="87" href="#87">87</a>          <strong class="jxr_keyword">return</strong> Proxy.newProxyInstance(cl, ifaces, handler);
<a name="88" href="#88">88</a>      }
<a name="89" href="#89">89</a>      
<a name="90" href="#90">90</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/mina/statemachine/StateMachineProxyFactory.html">MethodInvocationHandler</a> implements InvocationHandler {
<a name="91" href="#91">91</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/statemachine/StateMachine.html">StateMachine</a> sm;
<a name="92" href="#92">92</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/statemachine/context/StateContextLookup.html">StateContextLookup</a> contextLookup;
<a name="93" href="#93">93</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/statemachine/event/EventArgumentsInterceptor.html">EventArgumentsInterceptor</a> interceptor;
<a name="94" href="#94">94</a>          <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/statemachine/event/EventFactory.html">EventFactory</a> eventFactory;
<a name="95" href="#95">95</a>          
<a name="96" href="#96">96</a>          <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/mina/statemachine/StateMachineProxyFactory.html">MethodInvocationHandler</a>(<a href="../../../../org/apache/mina/statemachine/StateMachine.html">StateMachine</a> sm, <a href="../../../../org/apache/mina/statemachine/context/StateContextLookup.html">StateContextLookup</a> contextLookup,
<a name="97" href="#97">97</a>                  <a href="../../../../org/apache/mina/statemachine/event/EventArgumentsInterceptor.html">EventArgumentsInterceptor</a> interceptor, <a href="../../../../org/apache/mina/statemachine/event/EventFactory.html">EventFactory</a> eventFactory) {
<a name="98" href="#98">98</a>              
<a name="99" href="#99">99</a>              <strong class="jxr_keyword">this</strong>.contextLookup = contextLookup;
<a name="100" href="#100">100</a>             <strong class="jxr_keyword">this</strong>.sm = sm;
<a name="101" href="#101">101</a>             <strong class="jxr_keyword">this</strong>.interceptor = interceptor;
<a name="102" href="#102">102</a>             <strong class="jxr_keyword">this</strong>.eventFactory = eventFactory;
<a name="103" href="#103">103</a>         }
<a name="104" href="#104">104</a>         
<a name="105" href="#105">105</a>         <strong class="jxr_keyword">public</strong> Object invoke(Object proxy, Method method, Object[] args) <strong class="jxr_keyword">throws</strong> Throwable {
<a name="106" href="#106">106</a>             <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"hashCode"</span>.equals(method.getName()) &amp;&amp; args == <strong class="jxr_keyword">null</strong>) {
<a name="107" href="#107">107</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Integer(System.identityHashCode(proxy));
<a name="108" href="#108">108</a>             }
<a name="109" href="#109">109</a>             <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"equals"</span>.equals(method.getName()) &amp;&amp; args.length == 1) {
<a name="110" href="#110">110</a>                 <strong class="jxr_keyword">return</strong> Boolean.valueOf(proxy == args[0]);
<a name="111" href="#111">111</a>             }
<a name="112" href="#112">112</a>             <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"toString"</span>.equals(method.getName()) &amp;&amp; args == <strong class="jxr_keyword">null</strong>) {
<a name="113" href="#113">113</a>                 <strong class="jxr_keyword">return</strong> proxy.getClass().getName() + <span class="jxr_string">"@"</span> 
<a name="114" href="#114">114</a>                         + Integer.toHexString(System.identityHashCode(proxy));
<a name="115" href="#115">115</a>             }
<a name="116" href="#116">116</a> 
<a name="117" href="#117">117</a>             <strong class="jxr_keyword">if</strong> (log.isDebugEnabled()) {
<a name="118" href="#118">118</a>                 log.debug(<span class="jxr_string">"Method invoked: "</span> + method);
<a name="119" href="#119">119</a>             }
<a name="120" href="#120">120</a> 
<a name="121" href="#121">121</a>             args = args == <strong class="jxr_keyword">null</strong> ? EMPTY_ARGUMENTS : args;
<a name="122" href="#122">122</a>             <strong class="jxr_keyword">if</strong> (interceptor != <strong class="jxr_keyword">null</strong>) {
<a name="123" href="#123">123</a>                 args = interceptor.modify(args);
<a name="124" href="#124">124</a>             }
<a name="125" href="#125">125</a> 
<a name="126" href="#126">126</a>             <a href="../../../../org/apache/mina/statemachine/context/StateContext.html">StateContext</a> context = contextLookup.lookup(args);
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>             <strong class="jxr_keyword">if</strong> (context == <strong class="jxr_keyword">null</strong>) {
<a name="129" href="#129">129</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"Cannot determine state "</span> 
<a name="130" href="#130">130</a>                         + <span class="jxr_string">"context for method invocation: "</span> + method);
<a name="131" href="#131">131</a>             }
<a name="132" href="#132">132</a> 
<a name="133" href="#133">133</a>             <a href="../../../../org/apache/mina/statemachine/event/Event.html">Event</a> event = eventFactory.create(context, method, args);
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a>             sm.handle(event);
<a name="136" href="#136">136</a> 
<a name="137" href="#137">137</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="138" href="#138">138</a>         }
<a name="139" href="#139">139</a>     }
<a name="140" href="#140">140</a> }
</pre>
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