Плагин HTTPBuilder для Griffon великолепен и довольно хорошо упрощает вызовы на моем сервере. Однако единственная проблема заключается в том, что я не хочу повторять один и тот же код установки повсюду.
То, что я хочу сделать, - это обернуть набор серверных вызовов и другой код с той же самой настройкой соединения, чтобы у меня он был только в одном месте.
Например, вот что у меня есть:
def persistCurrentSession() {
withRest(uri: serverBaseURL) {
headers = requestHeaders
post(path: "${sessionBaseURL}${currentSession.id}",
body: currentSession,
requestContentType: groovyx.net.http.ContentType.JSON)
}
}
def refreshCurrentSession() {
withRest(uri: serverBaseURL) {
headers = requestHeaders
currentSession = get(path: "${sessionBaseURL}${currentSession.id}").responseData.sessionInstance
}
}
И вот что я хочу сделать:
def persistCurrentSession() {
withMyRest {
post(path: "${sessionBaseURL}${currentSession.id}",
body: currentSession,
requestContentType: groovyx.net.http.ContentType.JSON)
}
}
def refreshCurrentSession() {
withMyRest {
currentSession = get(path: "${sessionBaseURL}${currentSession.id}").responseData.sessionInstance
}
}
def withMyRest(Closure stmts) {
withRest(uri: serverBaseURL) {
headers = requestHeaders
stmts()
}
}
Из того, что я знаю о Groovy и замыканиях, это должно быть отличное использование для замыканий, так как оно удаляет общий код "установки / разрыва ресурсов" в одном месте и позволяет сосредоточиться на быть на мясе сервера звонков.
Проблема в том, что не похоже, что динамические методы добавляются должным образом, потому что когда я запускаю код, настроенный так, как я хочу его получить, MissingMethodException
s выдается, когда вызывается stmts()
:
2011-12-20 11:12:40,097 [pool-2-thread-1] ERROR griffon.util.GriffonExceptionHandler - Uncaught Exception
org.codehaus.groovy.runtime.InvokerInvocationException: groovy.lang.MissingMethodException: No signature of method: client.MyAppServerService.post() is applicable for argument types: (java.util.LinkedHashMap) values: [[path:http://localhost:8080/Server/session/4, ...]]
Possible solutions: wait(), wait(long), print(java.lang.Object), use([Ljava.lang.Object;), is(java.lang.Object), split(groovy.lang.Closure)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:97)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1053)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1071)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:883)
at groovy.lang.Closure.call(Closure.java:410)
at groovy.lang.Closure.call(Closure.java:404)
at groovy.lang.Closure.run(Closure.java:488)
at org.codehaus.griffon.runtime.util.AbstractUIThreadHandler$1.run(AbstractUIThreadHandler.java:41)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: groovy.lang.MissingMethodException: No signature of method: client.MyAppServerService.post() is applicable for argument types: (java.util.LinkedHashMap) values: [[path:http://localhost:8080/Server/session/4, ...]]
Possible solutions: wait(), wait(long), print(java.lang.Object), use([Ljava.lang.Object;), is(java.lang.Object), split(groovy.lang.Closure)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:55)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:78)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
at client.MyAppServerService$_persistCurrentSession_closure2.doCall(MyAppServerService.groovy:49)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:226)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:52)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
at client.MyAppServerService$_persistCurrentSession_closure2.doCall(MyAppServerService.groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1053)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1071)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:883)
at groovy.lang.Closure.call(Closure.java:410)
at groovy.lang.Closure.call(Closure.java:404)
at java_util_concurrent_Callable$call.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112)
at client.MyAppServerService$_withMyRest_closure4.doCall(MyAppServerService.groovy:71)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:226)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:52)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
at client.MyAppServerService$_withMyRest_closure4.doCall(MyAppServerService.groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1053)
at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:1071)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:883)
at groovy.lang.Closure.call(Closure.java:410)
at groovy.lang.Closure.call(Closure.java:404)
at java_util_concurrent_Callable$call.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42)
at java_util_concurrent_Callable$call.call(Unknown Source)
at griffon.plugins.rest.RestConnector.doWithBuilder(RestConnector.groovy:90)
at griffon.plugins.rest.RestConnector.this$2$doWithBuilder(RestConnector.groovy)
at griffon.plugins.rest.RestConnector$this$2$doWithBuilder.callCurrent(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at griffon.plugins.rest.RestConnector$this$2$doWithBuilder.callCurrent(Unknown Source)
at griffon.plugins.rest.RestConnector.withRest(RestConnector.groovy:67)
at griffon.plugins.rest.RestConnector$withRest.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42)
at griffon.plugins.rest.RestConnector$withRest.call(Unknown Source)
at griffon.plugins.rest.RestConnector$_enhance_closure5.doCall(RestConnector.groovy:49)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaMethod.invoke(ClosureMetaMethod.java:80)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoMetaMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:308)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:52)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:145)
at client.MyAppServerService.withMyRest(MyAppServerService.groovy:68)
at client.MyAppServerService$withMyRest.callCurrent(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
at client.MyAppServerService.persistCurrentSession(MyAppServerService.groovy:48)
at client.MyAppServerService$persistCurrentSession.callCurrent(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:137)
at client.MyAppServerService.closeSession(MyAppServerService.groovy:41)
at client.MyAppServerService$closeSession.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112)
at client.StartController$_closure1_closure2.doCall(StartController.groovy:20)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:226)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:52)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:46)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:133)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
at client.StartController$_closure1_closure2.doCall(StartController.groovy)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
... 14 more
Я уверен, что есть лучшие способы сделать то, что я пытаюсь сделать, но даже в этом случае то, что я пытаюсь сделать , должно работать , я думаю. Я все еще новичок в Groovy, но я несколько раз перебирал правила области видимости, и все, о чем я могу думать, - это то, что динамические методы для HTTPBuilder не подключаются должным образом через пропущенные замыкания или что-то в этом роде.