- add a way to add a classpath for loading in-asset classes to AssetManager, use in BinaryImporter

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8600 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/android/com/jme3/asset/AndroidAssetManager.java

@@ -39,6 +39,8 @@ import java.util.logging.Logger;
 import com.jme3.asset.plugins.AndroidLocator;
 import com.jme3.asset.plugins.ClasspathLocator;
 import com.jme3.audio.plugins.AndroidAudioLoader;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * <code>AndroidAssetManager</code> is an implementation of DesktopAssetManager for Android
@@ -48,6 +50,7 @@ import com.jme3.audio.plugins.AndroidAudioLoader;
 public class AndroidAssetManager extends DesktopAssetManager {
 
     private static final Logger logger = Logger.getLogger(AndroidAssetManager.class.getName());
+    private List<ClassLoader> classLoaders;
 
     public AndroidAssetManager() {
         this(null);
@@ -94,6 +97,21 @@ public class AndroidAssetManager extends DesktopAssetManager {
         logger.info("AndroidAssetManager created.");
     }
 
+    public void addClassLoader(ClassLoader loader){
+        if(classLoaders == null)
+            classLoaders = new ArrayList<ClassLoader>();
+        classLoaders.add(loader);
+    }
+    
+    public void removeClassLoader(ClassLoader loader){
+        if(classLoaders != null)
+            classLoaders.remove(loader);
+    }
+
+    public List<ClassLoader> getClassLoaders(){
+        return classLoaders;
+    }
+    
     /**
      * Loads a texture. 
      *

engine/src/core-plugins/com/jme3/export/binary/BinaryImporter.java

@@ -50,10 +50,8 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
 import java.nio.ByteOrder;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.IdentityHashMap;
-import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -88,8 +86,6 @@ public final class BinaryImporter implements JmeImporter {
 
     private static final boolean fastRead = ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN;
     
-    private List<ClassLoader> loaders;
-
     public BinaryImporter() {
     }
     
@@ -101,12 +97,6 @@ public final class BinaryImporter implements JmeImporter {
         return fastRead;
     }
 
-    public void addClassLoader(ClassLoader loader){
-        if(loaders == null)
-            loaders = new ArrayList<ClassLoader>();
-        loaders.add(loader);
-    }
-
     public static BinaryImporter getInstance() {
         return new BinaryImporter();
     }
@@ -346,7 +336,7 @@ public final class BinaryImporter implements JmeImporter {
             int dataLength = ByteUtils.convertIntFromBytes(dataArray, loc);
             loc+=4;
 
-            Savable out = SavableClassUtil.fromName(bco.className, loaders);
+            Savable out = SavableClassUtil.fromName(bco.className, assetManager.getClassLoaders());
             
             BinaryInputCapsule cap = new BinaryInputCapsule(this, out, bco);
             cap.setContent(dataArray, loc, loc+dataLength);

engine/src/core/com/jme3/asset/AssetManager.java

@@ -40,6 +40,7 @@ import com.jme3.scene.Spatial;
 import com.jme3.shader.Shader;
 import com.jme3.shader.ShaderKey;
 import com.jme3.texture.Texture;
+import java.util.List;
 
 /**
  * <code>AssetManager</code> provides an interface for managing the data assets
@@ -47,6 +48,24 @@ import com.jme3.texture.Texture;
  */
 public interface AssetManager {
 
+    /**
+     * Adds a ClassLoader that is used to load *Classes* that are needed for Assets like j3o models.
+     * This does *not* allow loading assets from that classpath, use registerLocator for that.
+     * @param loader A ClassLoader that Classes in asset files can be loaded from
+     */
+    public void addClassLoader(ClassLoader loader);
+
+    /**
+     * Remove a ClassLoader from the list of registered ClassLoaders
+     */
+    public void removeClassLoader(ClassLoader loader);
+
+    /**
+     * Retrieve the list of registered ClassLoaders that are used for loading Classes from
+     * asset files.
+     */
+    public List<ClassLoader> getClassLoaders();
+    
     /**
      * Registers a loader for the given extensions.
      * @param loaderClassName

engine/src/desktop/com/jme3/asset/DesktopAssetManager.java

@@ -44,7 +44,9 @@ import com.jme3.texture.Texture;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -62,6 +64,7 @@ public class DesktopAssetManager implements AssetManager {
     private final ImplHandler handler = new ImplHandler(this);
 
     private AssetEventListener eventListener = null;
+    private List<ClassLoader> classLoaders;
 
 //    private final ThreadingManager threadingMan = new ThreadingManager(this);
 //    private final Set<AssetKey> alreadyLoadingSet = new HashSet<AssetKey>();
@@ -95,6 +98,21 @@ public class DesktopAssetManager implements AssetManager {
         logger.info("DesktopAssetManager created.");
     }
 
+    public void addClassLoader(ClassLoader loader){
+        if(classLoaders == null)
+            classLoaders = new ArrayList<ClassLoader>();
+        classLoaders.add(loader);
+    }
+    
+    public void removeClassLoader(ClassLoader loader){
+        if(classLoaders != null)
+            classLoaders.remove(loader);
+    }
+
+    public List<ClassLoader> getClassLoaders(){
+        return classLoaders;
+    }
+    
     public void setAssetEventListener(AssetEventListener listener){
         eventListener = listener;
     }