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36 package gr.grnet.aquarium.messaging.amqp
41 import com.ckkloverdos.resource.StreamResourceContext
42 import confmodel.RabbitMQConfigurationsModel
43 import gr.grnet.aquarium.util.xstream.XStreamHelpers
44 import com.ckkloverdos.maybe.{Failed, NoVal, Just, Maybe}
45 import gr.grnet.aquarium.util.{ConfModel, Loggable, shortClassNameOf}
49 * @author Christos KK Loverdos <loverdos@gmail.com>.
51 class RabbitMQConfigurations(val confModel: RabbitMQConfigurationsModel) extends AMQPConfigurations {
52 private val _configurations = confModel.configurations.map(new RabbitMQConfiguration(_))
53 def configurations = _configurations
56 object RabbitMQConfigurations extends Loggable {
58 val rabbitmq = "rabbitmq"
60 val producers = "producers"
61 val consumers = "consumers"
65 // val configurations = "configuration.properties"
66 val configurations = "configurations.xml"
69 def apply(baseRC: StreamResourceContext): Maybe[RabbitMQConfigurations] = {
70 val xs = XStreamHelpers.DefaultXStream
71 val rabbitMQRC = baseRC / RCFolders.rabbitmq
73 val maybeConfsResource = rabbitMQRC.getResource(PropFiles.configurations)
74 val maybeConfsModel = maybeConfsResource.flatMap(XStreamHelpers.parseType[RabbitMQConfigurationsModel](_, xs))
76 def logErrors(errors: List[ConfModel.ConfModelError], theClass: Class[_]): String = {
77 val errorMsg = "%s has %s error(s)".format(shortClassNameOf(theClass))
78 logger.error(errorMsg)
79 for(error <- errors) {
85 maybeConfsModel match {
86 case Just(confsModel) =>
87 // parsed <configurations>.xml (like: rabbitmq/configurations.xml)
88 // now have a RabbitMQConfigurationsModel
89 val confsModelErrors = confsModel.validateConfModel
91 if(confsModelErrors.size > 0) {
92 val errorMsg = logErrors(confsModelErrors, confsModel.getClass)
93 Failed(new Exception(errorMsg))
95 Just(new RabbitMQConfigurations(confsModel))