X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fimage%2Fimpl%2FImageBundleFactory.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fimage%2Fimpl%2FImageBundleFactory.java;h=b576fd39c78da193365520e79bf29ab1342c4895;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git 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 index 000000000..b576fd39c --- /dev/null +++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/image/impl/ImageBundleFactory.java @@ -0,0 +1,53 @@ +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.g2d.image.impl; + +import java.net.URL; + +import org.eclipse.core.runtime.FileLocator; +import org.eclipse.core.runtime.IPath; +import org.eclipse.core.runtime.Path; +import org.eclipse.core.runtime.Platform; +import org.osgi.framework.Bundle; +import org.simantics.g2d.image.Image; +import org.simantics.g2d.image.ImageUtils; +import org.simantics.utils.datastructures.cache.IFactory; + +/** + * Lazy initialization of bundle resources. + * This class is capable of opening .svg .png .jpg etc files. + * + * @See {@link ImageUtils} + * @author Toni Kalajainen + */ +public class ImageBundleFactory extends ImageURLFactory implements IFactory { + + private static URL _resolveFilename(String filename) + throws RuntimeException + { + IPath p = new Path(filename); + String bundleId = p.segment(0); + IPath bundlePath = p.removeFirstSegments(1); + Bundle bundle = Platform.getBundle(bundleId); + URL url = FileLocator.find(bundle, bundlePath, null); + if (url==null) + throw new RuntimeException("File '" + bundlePath + "' not found in bundle '" + bundleId + "'"); + return url; + } + + public ImageBundleFactory(String filename) + throws RuntimeException + { + super(_resolveFilename(filename)); + } + +}