scripts/Shell.groovy

   1 /*
   2  * Copyright 2004-2005 the original author or authors.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /**
  18  * Gant script that loads the Grails interactive shell
  19  *
  20  * @author Graeme Rocher
  21  *
  22  * @since 0.4
  23  */
  24
  25 import org.codehaus.groovy.grails.commons.GrailsClassUtils as GCU
  26 import groovy.text.SimpleTemplateEngine
  27 import org.codehaus.groovy.grails.support.*
  28 import org.codehaus.groovy.tools.shell.*
  29
  30 Ant.property(environment:"env")
  31 grailsHome = Ant.antProject.properties."env.GRAILS_HOME"
  32
  33 includeTargets << new File ( "${grailsHome}/scripts/Bootstrap.groovy" )
  34
  35 target ('default': "Load the Grails interactive shell") {
  36         depends( configureProxy, packageApp, classpath )
  37         shell()
  38 }
  39
  40 target(shell:"The shell implementation target") {
  41
  42     classLoader = new URLClassLoader([classesDir.toURI().toURL()] as URL[], rootLoader)
  43     Thread.currentThread().setContextClassLoader(classLoader)
  44     loadApp()
  45     configureApp()
  46     def b = new Binding()
  47     b.ctx = appCtx
  48     b.grailsApplication = grailsApp
  49
  50     def original = Groovysh.metaClass.getMetaMethod("execute", [String] as Object[])
  51     Groovysh.metaClass.execute = { String line ->
  52         try {
  53             def listeners = appCtx.getBeansOfType(PersistenceContextInterceptor)
  54             listeners.each { k,v ->
  55                 v.init()
  56             }
  57
  58             original.invoke(delegate, line)
  59             listeners.each { k,v ->
  60                 v.flush()
  61             }
  62         }
  63     finally {
  64             listeners.each { k,v ->
  65                 v.destroy()
  66             }
  67         }
  68     }
  69
  70     shell = new Groovysh(classLoader,b, new IO(System.in, System.out, System.err))
  71         shell.run([] as String[])
  72
  73 }