AndroidLauncher: Add 'MainLauncher'; ClassLoaderUtil adds list of direct APKs to add to classpath

MainLauncher is capable of launching a traditional static main method from a activity.

TODO:
  - parametrize the APK list (junit, ..)
  - pass-through the activity instance to be used w/ NEWT AndroidWindow

1 files changed, 239 insertions, 0 deletions

diff --git a/src/java/jogamp/android/launcher/MainLauncher.java b/src/java/jogamp/android/launcher/MainLauncher.java
new file mode 100644
index 0000000..12dafb7
--- /dev/null
+++ b/src/java/jogamp/android/launcher/MainLauncher.java
@@ -0,0 +1,239 @@
+/**
+ * Copyright 2011 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package jogamp.android.launcher;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+
+import android.app.Activity;
+import android.net.Uri;
+import android.os.Bundle;
+import android.util.Log;
+
+public class MainLauncher extends Activity {
+   static final String TAG = "JogAmp-MainLauncher";
+   
+   // private static final String[] frameworkAPKs = { "/system/framework/core-junit.jar", "/data/projects/gluegen/make/lib/ant-junit-all.apk" };
+   private static final String[] frameworkAPKs = { "/data/projects/gluegen/make/lib/ant-junit-all.apk" };
+   
+   LauncherUtil.DataSet data = null;
+   
+   Class<?> mainClazz = null;
+   Method mainClazzMain = null;
+      
+   Class<?> staticContextClazz = null;
+   Method mStaticContextInit = null;
+   Method mStaticContextClear = null;
+   String[] mainClassArgs = null;
+   
+   @Override
+   public void onCreate(Bundle savedInstanceState) {
+       Log.d(TAG, "onCreate - S");
+       super.onCreate(savedInstanceState);
+       
+       final Uri uri = getIntent().getData();
+       data = LauncherUtil.DataSet.create(uri);
+       data.setSystemProperties();
+
+       ClassLoader cl = ClassLoaderUtil.createClassLoader(this, data.getPackages(), false, Arrays.asList(frameworkAPKs));
+       if(null != cl) {
+           try {
+               staticContextClazz = Class.forName("jogamp.common.os.android.StaticContext", true, cl);
+               mStaticContextInit = staticContextClazz.getMethod("init", android.content.Context.class);
+               mStaticContextClear = staticContextClazz.getMethod("clear");               
+               
+               mainClazz = Class.forName(data.getActivityName(), true, cl);
+               Log.d(TAG, "Main Clazz "+mainClazz);
+               mainClazzMain = mainClazz.getDeclaredMethod("main", new Class[] { String[].class });
+               Log.d(TAG, "Main Clazz Main "+mainClazzMain);
+           } catch (Exception e) {
+               Log.d(TAG, "error: "+e, e);
+               throw new RuntimeException(e);
+           }
+       }
+
+       if( null == mStaticContextInit || null == mStaticContextClear || 
+           null == mainClazzMain ) {
+           RuntimeException e = new RuntimeException("XXX - incomplete method set");
+           Log.d(TAG, "error: "+e, e);
+           throw e;
+       }
+       
+       callMethod(null, mStaticContextInit, this.getApplicationContext());
+       
+       mainClassArgs=new String[0]; // FIXME
+       
+       Log.d(TAG, "onCreate - X");
+   }
+   
+   @Override
+   public void onStart() {
+     Log.d(TAG, "onStart - S");
+     super.onStart();
+     Log.d(TAG, "onStart - X");
+   }
+     
+   @Override
+   public void onRestart() {
+     Log.d(TAG, "onRestart - S");
+     super.onRestart();
+     Log.d(TAG, "onRestart - X");
+   }
+
+   @Override
+   public void onResume() {
+     Log.d(TAG, "onResume - S");
+     try {
+         mainClazzMain.invoke(null, new Object[] { mainClassArgs } );
+     } catch (InvocationTargetException ite) {
+         ite.getTargetException().printStackTrace();
+     } catch (Throwable t) {
+         t.printStackTrace();
+     }
+     super.onResume();
+     finish();
+     Log.d(TAG, "onResume - X");
+   }
+
+   @Override
+   public void onPause() {
+     Log.d(TAG, "onPause - S");
+     super.onPause();
+     Log.d(TAG, "onPause - X");
+   }
+
+   @Override
+   public void onStop() {
+     Log.d(TAG, "onStop - S");
+     super.onStop();  
+     Log.d(TAG, "onStop - X");
+   }
+
+   @Override
+   public void onDestroy() {
+     Log.d(TAG, "onDestroy - S");
+     if(null != data) {
+         data.clearSystemProperties();
+         data = null;
+     }
+     callMethod(null, mStaticContextClear);
+     super.onDestroy();  
+     finish();
+     Log.d(TAG, "onDestroy - X");
+   }   
+
+   @Override
+   public void finish() {
+     Log.d(TAG, "finish - S");
+     super.finish();  
+     Log.d(TAG, "finish - X");
+   }   
+
+  /**
+   * @throws JogampRuntimeException if the instance can not be created.
+   */
+  public static final Object createInstance(Class<?> clazz, Class<?>[] cstrArgTypes, Object ... cstrArgs) 
+      throws RuntimeException
+  {
+    return createInstance(getConstructor(clazz, cstrArgTypes), cstrArgs);
+  }
+
+  public static final Object createInstance(Constructor<?> cstr, Object ... cstrArgs) 
+      throws RuntimeException
+  {
+    try {
+        return cstr.newInstance(cstrArgs);
+    } catch (Exception e) {
+      Throwable t = e;
+      if (t instanceof InvocationTargetException) {
+        t = ((InvocationTargetException) t).getTargetException();
+      }
+      if (t instanceof Error) {
+        throw (Error) t;
+      }
+      if (t instanceof RuntimeException) {
+        throw (RuntimeException) t;
+      }
+      throw new RuntimeException("can not create instance of "+cstr.getName(), t);
+    }
+  }
+  
+    /**
+     * @throws JogampRuntimeException if the constructor can not be delivered.
+     */
+    protected static final Constructor<?> getConstructor(Class<?> clazz, Class<?> ... cstrArgTypes) 
+        throws RuntimeException {
+        try {
+            if(null == cstrArgTypes) {
+                cstrArgTypes = zeroTypes;
+            }
+            return clazz.getDeclaredConstructor(cstrArgTypes);
+        } catch (NoSuchMethodException ex) {
+            throw new RuntimeException("Constructor: '" + clazz + "(" + asString(cstrArgTypes) + ")' not found", ex);
+        }
+    }
+    
+    protected static final Class<?>[] zeroTypes = new Class[0];
+
+    protected static final String asString(Class<?>[] argTypes) {
+        StringBuilder args = new StringBuilder();
+        boolean coma = false;
+        if(null != argTypes) {
+            for (int i = 0; i < argTypes.length; i++) {
+                if(coma) {
+                     args.append(", ");
+                }
+                args.append(argTypes[i].getName());
+                coma = true;
+            }
+        }
+        return args.toString();
+    }
+    
+  protected static final Object callMethod(Object instance, Method method, Object ... args)
+      throws RuntimeException
+  {
+    try {
+        return method.invoke(instance, args);
+    } catch (Exception e) {
+      Throwable t = e;
+      if (t instanceof InvocationTargetException) {
+        t = ((InvocationTargetException) t).getTargetException();
+      }
+      if (t instanceof Error) {
+        throw (Error) t;
+      }
+      if (t instanceof RuntimeException) {
+        throw (RuntimeException) t;
+      }
+      throw new RuntimeException("calling "+method+" failed", t);
+    }
+  }
+}