Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / image / impl / ImageBundleFactory.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/image/impl/ImageBundleFactory.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/image/impl/ImageBundleFactory.java
new file mode 100644 (file)
index 0000000..b576fd3
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/image/impl/ImageBundleFactory.java
@@ -0,0 +1,53 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.g2d.image.impl;\r
+\r
+import java.net.URL;\r
+\r
+import org.eclipse.core.runtime.FileLocator;\r
+import org.eclipse.core.runtime.IPath;\r
+import org.eclipse.core.runtime.Path;\r
+import org.eclipse.core.runtime.Platform;\r
+import org.osgi.framework.Bundle;\r
+import org.simantics.g2d.image.Image;\r
+import org.simantics.g2d.image.ImageUtils;\r
+import org.simantics.utils.datastructures.cache.IFactory;\r
+\r
+/**\r
+ * Lazy initialization of bundle resources.\r
+ * This class is capable of opening .svg .png .jpg etc files.\r
+ * \r
+ * @See {@link ImageUtils}\r
+ * @author Toni Kalajainen\r
+ */\r
+public class ImageBundleFactory extends ImageURLFactory implements IFactory<Image> {\r
+\r
+       private static URL _resolveFilename(String filename)\r
+       throws RuntimeException\r
+       {\r
+               IPath p = new Path(filename);\r
+               String bundleId = p.segment(0);\r
+               IPath bundlePath = p.removeFirstSegments(1);            \r
+               Bundle bundle = Platform.getBundle(bundleId);\r
+               URL url = FileLocator.find(bundle, bundlePath, null);\r
+               if (url==null) \r
+               throw new RuntimeException("File '" + bundlePath + "' not found in bundle '" + bundleId + "'");\r
+               return url;\r
+       }\r
+       \r
+       public ImageBundleFactory(String filename) \r
+       throws RuntimeException\r
+       {\r
+               super(_resolveFilename(filename));              \r
+       }\r
+       \r
+}\r