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package org.mule.config.processors; |
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import org.mule.api.MuleContext; |
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import org.mule.api.annotations.expressions.Lookup; |
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import org.mule.api.context.MuleContextAware; |
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import org.mule.api.expression.RequiredValueException; |
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import org.mule.api.registry.InjectProcessor; |
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import org.mule.config.i18n.AnnotationsMessages; |
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import org.mule.util.StringUtils; |
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import java.lang.reflect.Field; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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public class LookupInjectionProcessor implements InjectProcessor, MuleContextAware |
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{ |
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30 | 0 | protected transient final Log logger = LogFactory.getLog(LookupInjectionProcessor.class); |
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private MuleContext context; |
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public LookupInjectionProcessor() |
35 | 0 | { |
36 | 0 | } |
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public LookupInjectionProcessor(MuleContext context) |
39 | 0 | { |
40 | 0 | this.context = context; |
41 | 0 | } |
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public void setMuleContext(MuleContext context) |
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{ |
45 | 0 | this.context = context; |
46 | 0 | } |
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public Object process(Object object) |
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{ |
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Field[] fields; |
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try |
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{ |
53 | 0 | fields = object.getClass().getDeclaredFields(); |
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} |
55 | 0 | catch (NoClassDefFoundError e) |
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{ |
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58 | 0 | if (logger.isDebugEnabled()) |
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{ |
60 | 0 | logger.warn(e.toString()); |
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} |
62 | 0 | return object; |
63 | 0 | } |
64 | 0 | for (int i = 0; i < fields.length; i++) |
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{ |
66 | 0 | Field field = fields[i]; |
67 | 0 | if (field.isAnnotationPresent(Lookup.class)) |
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{ |
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try |
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{ |
71 | 0 | field.setAccessible(true); |
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Object value; |
73 | 0 | String name = field.getAnnotation(Lookup.class).value(); |
74 | 0 | boolean optional = field.getAnnotation(Lookup.class).optional(); |
75 | 0 | if(StringUtils.isBlank(name)) |
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{ |
77 | 0 | value = context.getRegistry().lookupObject(field.getType()); |
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} |
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else |
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{ |
81 | 0 | value = context.getRegistry().lookupObject(name); |
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} |
83 | 0 | if (value == null && !optional) |
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{ |
85 | 0 | throw new RequiredValueException(AnnotationsMessages.lookupNotFoundInRegistry(field.getType(), name, object.getClass())); |
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} |
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|
88 | 0 | field.set(object, value); |
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} |
90 | 0 | catch (RequiredValueException e) |
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{ |
92 | 0 | throw e; |
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} |
94 | 0 | catch (Exception e) |
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{ |
96 | 0 | throw new RequiredValueException(AnnotationsMessages.lookupFailedSeePreviousException(object), e); |
97 | 0 | } |
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} |
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} |
100 | 0 | return object; |
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} |
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} |