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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.chain.DefaultMessageProcessorChainBuilder; |
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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() |
32 | 0 | { |
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34 | 0 | } |
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public InterceptorStack(List<Interceptor> interceptors) |
37 | 0 | { |
38 | 0 | this.interceptors = interceptors; |
39 | 0 | } |
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public MuleEvent process(MuleEvent event) throws MuleException |
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{ |
43 | 0 | return chain.process(event); |
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} |
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public List<Interceptor> getInterceptors() |
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{ |
48 | 0 | return interceptors; |
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} |
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public void setInterceptors(List<Interceptor> interceptors) |
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{ |
53 | 0 | this.interceptors = interceptors; |
54 | 0 | } |
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public void initialise() throws InitialisationException |
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{ |
58 | 0 | DefaultMessageProcessorChainBuilder chainBuilder = new DefaultMessageProcessorChainBuilder(); |
59 | 0 | chainBuilder.setName("interceptor stack"); |
60 | 0 | for (Interceptor interceptor : interceptors) |
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{ |
62 | 0 | if (interceptor instanceof Initialisable) |
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{ |
64 | 0 | ((Initialisable) interceptor).initialise(); |
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} |
66 | 0 | chainBuilder.chain(interceptor); |
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} |
68 | 0 | if (next != null) |
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{ |
70 | 0 | chainBuilder.chain(next); |
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} |
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try |
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{ |
74 | 0 | chain = chainBuilder.build(); |
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} |
76 | 0 | catch (MuleException e) |
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{ |
78 | 0 | throw new InitialisationException(e, this); |
79 | 0 | } |
80 | 0 | } |
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public void dispose() |
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{ |
84 | 0 | for (Interceptor interceptor : interceptors) |
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{ |
86 | 0 | if (interceptor instanceof Disposable) |
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{ |
88 | 0 | ((Disposable) interceptor).dispose(); |
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} |
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} |
91 | 0 | } |
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@Override |
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public int hashCode() |
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{ |
96 | 0 | final int prime = 31; |
97 | 0 | int result = 1; |
98 | 0 | result = prime * result + ((interceptors == null) ? 0 : interceptors.hashCode()); |
99 | 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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{ |
105 | 0 | if (this == obj) return true; |
106 | 0 | if (obj == null) return false; |
107 | 0 | if (getClass() != obj.getClass()) return false; |
108 | 0 | InterceptorStack other = (InterceptorStack) obj; |
109 | 0 | if (interceptors == null) |
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{ |
111 | 0 | if (other.interceptors != null) return false; |
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} |
113 | 0 | else if (!interceptors.equals(other.interceptors)) return false; |
114 | 0 | return true; |
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} |
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} |