È possibile utilizzare il Reflections library per questo tipo di cose, vale a dire; per trovare tutte le classi di org.codehaus.groovy
che implementano l'interfaccia Iterator
, si può fare:
@Grab('org.slf4j:slf4j-api:1.7.5')
@Grab('org.reflections:reflections:0.9.9-RC1')
import org.reflections.*
new Reflections('org.codehaus.groovy').getSubTypesOf(Iterator).each {
println it.name
}
che stampa:
org.codehaus.groovy.runtime.StringGroovyMethods$1
org.codehaus.groovy.runtime.SwingGroovyMethods$7
org.codehaus.groovy.util.ArrayIterator
org.codehaus.groovy.runtime.metaclass.ConcurrentReaderHashMap$KeyIterator
org.codehaus.groovy.control.CompilationUnit$9
org.codehaus.groovy.runtime.SqlGroovyMethods$ResultSetMetaDataIterator
org.codehaus.groovy.runtime.SwingGroovyMethods$1
org.codehaus.groovy.util.ManagedLinkedList$Iter
org.codehaus.groovy.runtime.SwingGroovyMethods$3
org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl$2
org.codehaus.groovy.runtime.SwingGroovyMethods$6
org.codehaus.groovy.ant.FileIterator
org.codehaus.groovy.runtime.IOGroovyMethods$3
org.codehaus.groovy.runtime.DefaultGroovyMethods$DropWhileIterator
org.codehaus.groovy.runtime.DefaultGroovyMethods$TakeIterator
org.codehaus.groovy.runtime.DefaultGroovyMethods$3
org.codehaus.groovy.runtime.SwingGroovyMethods$5
org.codehaus.groovy.runtime.SwingGroovyMethods$2
org.codehaus.groovy.runtime.metaclass.ConcurrentReaderHashMap$HashIterator
org.codehaus.groovy.runtime.metaclass.ConcurrentReaderHashMap$ValueIterator
org.codehaus.groovy.runtime.XmlGroovyMethods$1
org.codehaus.groovy.runtime.SwingGroovyMethods$4
org.codehaus.groovy.runtime.IOGroovyMethods$2
org.codehaus.groovy.runtime.ReverseListIterator
org.codehaus.groovy.runtime.DefaultGroovyMethods$TakeWhileIterator
fonte
2013-10-30 16:02:36