org.argeo.cms/src/org/argeo/cms/BundleResourceLoader.java

   1 package org.argeo.cms;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.net.URL;
   6
   7 import org.eclipse.rap.rwt.service.ResourceLoader;
   8 import org.osgi.framework.Bundle;
   9 import org.osgi.framework.BundleContext;
  10
  11 /** {@link ResourceLoader} implementation wrapping an {@link Bundle}. */
  12 class BundleResourceLoader implements ResourceLoader {
  13         private final BundleContext bundleContext;
  14
  15         public BundleResourceLoader(BundleContext bundleContext) {
  16                 this.bundleContext = bundleContext;
  17         }
  18
  19         @Override
  20         public InputStream getResourceAsStream(String resourceName)
  21                         throws IOException {
  22                 // TODO deal with other bundles
  23                 Bundle bundle = bundleContext.getBundle();
  24                 URL res = bundle.getResource(resourceName);
  25                 if (res == null)
  26                         throw new CmsException("Resource " + resourceName
  27                                         + " not found in bundle " + bundle.getSymbolicName());
  28                 return bundleContext.getBundle().getResource(resourceName).openStream();
  29         }
  30
  31 }