org.argeo.cms.ui/src/org/argeo/cms/util/ThemeUtils.java

   1 package org.argeo.cms.util;
   2
   3 import java.net.URL;
   4 import java.util.Enumeration;
   5
   6 import org.apache.commons.logging.Log;
   7 import org.apache.commons.logging.LogFactory;
   8 import org.eclipse.rap.rwt.application.Application;
   9 import org.osgi.framework.Bundle;
  10 import org.osgi.framework.BundleContext;
  11
  12 public class ThemeUtils {
  13         final static Log log = LogFactory.getLog(ThemeUtils.class);
  14
  15         public static Bundle findThemeBundle(BundleContext bundleContext, String themeId) {
  16                 if (themeId == null)
  17                         return null;
  18                 // TODO optimize
  19                 // TODO deal with multiple versions
  20                 Bundle themeBundle = null;
  21                 if (themeId != null) {
  22                         for (Bundle bundle : bundleContext.getBundles())
  23                                 if (themeId.equals(bundle.getSymbolicName())) {
  24                                         themeBundle = bundle;
  25                                         break;
  26                                 }
  27                 }
  28                 return themeBundle;
  29         }
  30
  31         public static void addThemeResources(Application application, Bundle themeBundle, BundleResourceLoader themeBRL,
  32                         String pattern) {
  33                 Enumeration<URL> themeResources = themeBundle.findEntries("/", pattern, true);
  34                 if (themeResources == null)
  35                         return;
  36                 while (themeResources.hasMoreElements()) {
  37                         String resource = themeResources.nextElement().getPath();
  38                         // remove first '/' so that RWT registers it
  39                         resource = resource.substring(1);
  40                         if (!resource.endsWith("/")) {
  41                                 application.addResource(resource, themeBRL);
  42                                 if (log.isTraceEnabled())
  43                                         log.trace("Registered " + resource + " from theme " + themeBundle);
  44                         }
  45
  46                 }
  47
  48         }
  49
  50 }