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package org.mule.interceptor; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleException; |
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import org.mule.api.interceptor.Interceptor; |
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import org.mule.api.lifecycle.Disposable; |
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import org.mule.api.lifecycle.Initialisable; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.processor.MessageProcessor; |
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import org.mule.processor.AbstractInterceptingMessageProcessor; |
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import org.mule.processor.builder.InterceptingChainMessageProcessorBuilder; |
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import java.util.List; |
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public class InterceptorStack extends AbstractInterceptingMessageProcessor |
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implements Interceptor, Initialisable, Disposable |
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{ |
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private List<Interceptor> interceptors; |
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private MessageProcessor chain; |
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public InterceptorStack() |
36 | 0 | { |
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38 | 0 | } |
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public InterceptorStack(List<Interceptor> interceptors) |
41 | 0 | { |
42 | 0 | this.interceptors = interceptors; |
43 | 0 | } |
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public MuleEvent process(MuleEvent event) throws MuleException |
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{ |
47 | 0 | return chain.process(event); |
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} |
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public List<Interceptor> getInterceptors() |
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{ |
52 | 0 | return interceptors; |
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} |
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public void setInterceptors(List<Interceptor> interceptors) |
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{ |
57 | 0 | this.interceptors = interceptors; |
58 | 0 | } |
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public void initialise() throws InitialisationException |
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{ |
62 | 0 | InterceptingChainMessageProcessorBuilder chainBuilder = new InterceptingChainMessageProcessorBuilder(); |
63 | 0 | for (Interceptor interceptor : interceptors) |
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{ |
65 | 0 | if (interceptor instanceof Initialisable) |
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{ |
67 | 0 | ((Initialisable) interceptor).initialise(); |
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} |
69 | 0 | chainBuilder.chain(interceptor); |
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} |
71 | 0 | if (next != null) |
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{ |
73 | 0 | chainBuilder.chain(next); |
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} |
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try |
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{ |
77 | 0 | chain = chainBuilder.build(); |
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} |
79 | 0 | catch (MuleException e) |
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{ |
81 | 0 | throw new InitialisationException(e, this); |
82 | 0 | } |
83 | 0 | } |
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public void dispose() |
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{ |
87 | 0 | for (Interceptor interceptor : interceptors) |
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{ |
89 | 0 | if (interceptor instanceof Disposable) |
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{ |
91 | 0 | ((Disposable) interceptor).dispose(); |
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} |
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} |
94 | 0 | } |
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@Override |
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public int hashCode() |
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{ |
99 | 0 | final int prime = 31; |
100 | 0 | int result = 1; |
101 | 0 | result = prime * result + ((interceptors == null) ? 0 : interceptors.hashCode()); |
102 | 0 | return result; |
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} |
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@Override |
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public boolean equals(Object obj) |
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{ |
108 | 0 | if (this == obj) return true; |
109 | 0 | if (obj == null) return false; |
110 | 0 | if (getClass() != obj.getClass()) return false; |
111 | 0 | InterceptorStack other = (InterceptorStack) obj; |
112 | 0 | if (interceptors == null) |
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{ |
114 | 0 | if (other.interceptors != null) return false; |
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} |
116 | 0 | else if (!interceptors.equals(other.interceptors)) return false; |
117 | 0 | return true; |
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} |
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} |