Implement isNamespaceKnown on ClassmapFinder

src/ClassFinder.php

@@ -1,6 +1,8 @@
 <?php
 namespace HaydenPierce\ClassFinder;
 
+use HaydenPierce\ClassFinder\Classmap\ClassmapEntryFactory;
+use HaydenPierce\ClassFinder\Classmap\ClassmapFinder;
 use HaydenPierce\ClassFinder\Exception\ClassFinderException;
 use HaydenPierce\ClassFinder\PSR4\PSR4Finder;
 use HaydenPierce\ClassFinder\PSR4\PSR4NamespaceFactory;
@@ -13,6 +15,9 @@ class ClassFinder
     /** @var PSR4Finder */
     private static $psr4;
 
+    /** @var ClassmapFinder */
+    private static $classmap;
+
     private static function initialize()
     {
         if (!(self::$config instanceof AppConfig)) {
@@ -23,6 +28,11 @@ class ClassFinder
             $PSR4Factory = new PSR4NamespaceFactory(self::$config);
             self::$psr4 = new PSR4Finder($PSR4Factory);
         }
+
+        if (!(self::$classmap instanceof ClassmapFinder)) {
+            $classmapFactory = new ClassmapEntryFactory(self::$config);
+            self::$classmap = new ClassmapFinder($classmapFactory);
+        }
     }
 
     /**
@@ -34,7 +44,7 @@ class ClassFinder
     {
         self::initialize();
 
-        $isNamespaceKnown = self::$psr4->isNamespaceKnown($namespace);
+        $isNamespaceKnown = self::$psr4->isNamespaceKnown($namespace) || self::$classmap->isNamespaceKnown($namespace);
         if (!$isNamespaceKnown) {
             throw new ClassFinderException(sprintf("Unknown namespace '%s'. You should add the namespace to composer.json. See '%s' for details.",
                 $namespace,
@@ -42,9 +52,12 @@ class ClassFinder
             ));
         }
 
-        $classes = self::$psr4->findClasses($namespace);
+        $psr4classes = self::$psr4->findClasses($namespace);
+        $classmapClasses = self::$classmap->findClasses($namespace);
 
-        return array_values($classes);
+        $classes = array_merge($psr4classes, $classmapClasses);
+
+        return array_unique($classes);
     }
 
     public static function setAppRoot($appRoot)

src/Classmap/ClassmapEntry.php

@@ -10,6 +10,11 @@ class ClassmapEntry
         $this->className = $fullyQualifiedClassName;
     }
 
+    public function knowsNamespace($namespace)
+    {
+        return strpos($this->className, $namespace) !== false;
+    }
+
     /**
      * Checks if the class is a DIRECT child of the given namespace. Currently, no other finders support "recursively"
      * discovering classes, so the Classmap module will not be the exception to that rule.

src/Classmap/ClassmapFinder.php

@@ -12,6 +12,19 @@ class ClassmapFinder implements FinderInterface
         $this->factory = $factory;
     }
 
+    public function isNamespaceKnown($namespace)
+    {
+        $classmapEntries = $this->factory->getClassmapEntries();
+
+        foreach($classmapEntries as $classmapEntry) {
+            if ($classmapEntry->knowsNamespace($namespace)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     /**
      * @param $namespace
      * @return bool|string