X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Futils%2FImageUtils.java;h=e95f73e4216d1cb8cc66db89227aca94fdd9c3f7;hb=10b6023d2b40921bfc55abf414a988ca19e5e142;hp=cacff8d5bb3717696f633d2befaef893dbfbca4b;hpb=943bdec257922347428f44df32547fd4f5a57931;p=nikiroo-utils.git

diff --git a/src/be/nikiroo/utils/ImageUtils.java b/src/be/nikiroo/utils/ImageUtils.java
index cacff8d..e95f73e 100644
--- a/src/be/nikiroo/utils/ImageUtils.java
+++ b/src/be/nikiroo/utils/ImageUtils.java
@@ -190,6 +190,14 @@ public abstract class ImageUtils {
 		return set_flag;
 	}
 
+	/**
+	 * Check that the class can operate (for instance, that all the required
+	 * libraries or frameworks are present).
+	 * 
+	 * @return TRUE if it works
+	 */
+	abstract protected boolean check();
+
 	/**
 	 * Create a new {@link ImageUtils}.
 	 * 
@@ -199,7 +207,10 @@ public abstract class ImageUtils {
 		for (String clazz : new String[] { "be.nikiroo.utils.ui.ImageUtilsAwt",
 				"be.nikiroo.utils.android.ImageUtilsAndroid" }) {
 			try {
-				return (ImageUtils) SerialUtils.createObject(clazz);
+				ImageUtils obj = (ImageUtils) SerialUtils.createObject(clazz);
+				if (obj.check()) {
+					return obj;
+				}
 			} catch (Exception e) {
 			}
 		}