Components registration - package scanning

src/main/java/info/ebenoit/ebul/cmp/NewComponentInfo.java

@@ -1,6 +1,7 @@
 package info.ebenoit.ebul.cmp;
 
 
+import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
@@ -15,7 +16,9 @@ import info.ebenoit.ebul.func.ThrowingBiConsumer;
 import info.ebenoit.ebul.func.ThrowingConsumer;
 import info.ebenoit.ebul.func.ThrowingSupplier;
 import info.ebenoit.ebul.reflection.Annotations;
+import info.ebenoit.ebul.reflection.Classes;
 import info.ebenoit.ebul.reflection.MemberFinder;
+import info.ebenoit.ebul.reflection.PackageScanner;
 
 
 
@@ -55,6 +58,39 @@ public final class NewComponentInfo< T >
 	}
 
 
+	/**
+	 * Scans a package for classes that correspond to annotated components and processes them using
+	 * {@link #fromClass(Class)}
+	 * 
+	 * @param name
+	 *            the name of the package to scan
+	 * @param recursive
+	 *            <code>true</code> if child packages are to be scanned as well
+	 * @return the list of component registration records
+	 * @throws IOException
+	 *             if an I/O error occurs while scanning the packages
+	 * @throws ClassNotFoundException
+	 *             if one of the classes cannot be loaded
+	 * @throws ComponentDefinitionException
+	 *             if one of the loaded definitions is invalid
+	 */
+	public static ArrayList< NewComponentInfo< ? > > scanPackage( final String name , final boolean recursive )
+			throws IOException , ClassNotFoundException , ComponentDefinitionException
+	{
+		final PackageScanner packageScanner = new PackageScanner( name , recursive );
+		final ArrayList< Class< ? > > classes = packageScanner.findClasses( //
+				c -> ( ( c.getModifiers( ) & ( Modifier.ABSTRACT | Modifier.INTERFACE ) ) == 0
+						&& Classes.hasAncestorMatching( c , x -> x.isAnnotationPresent( Component.class ) , true ) ) );
+
+		final ArrayList< NewComponentInfo< ? > > results = new ArrayList< >( );
+		final int n = classes.size( );
+		for ( int i = 0 ; i < n ; i++ ) {
+			results.add( NewComponentInfo.fromClass( classes.get( i ) ) );
+		}
+		return results;
+	}
+
+
 	/**
 	 * Creates a new component information record based on a component's annotated class.
 	 *
@@ -540,7 +576,7 @@ public final class NewComponentInfo< T >
 		}
 
 		@SuppressWarnings( "unchecked" )
-		ThrowingBiConsumer< Object , Object > ci = (ThrowingBiConsumer< Object , Object >) injector;
+		final ThrowingBiConsumer< Object , Object > ci = (ThrowingBiConsumer< Object , Object >) injector;
 		injectors.add( ci );
 
 		this.dependencies.add( dependency );