runtime/org.argeo.slc.support.osgi/src/main/java/org/argeo/slc/osgi/deploy/OsgiResourceSet.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.slc.osgi.deploy;
  18
  19 import org.argeo.slc.core.deploy.DefaultResourceSet;
  20 import org.osgi.framework.Bundle;
  21 import org.osgi.framework.BundleContext;
  22 import org.springframework.core.io.ResourceLoader;
  23 import org.springframework.osgi.context.BundleContextAware;
  24 import org.springframework.osgi.io.OsgiBundleResourceLoader;
  25 import org.springframework.osgi.io.OsgiBundleResourcePatternResolver;
  26 import org.springframework.osgi.util.OsgiBundleUtils;
  27
  28 public class OsgiResourceSet extends DefaultResourceSet implements
  29                 BundleContextAware {
  30         private BundleContext bundleContext;
  31         private Bundle bundle = null;
  32         private String bundleSymbolicName = null;
  33
  34         private OsgiBundleResourceLoader osgiBundleResourceLoader = null;
  35
  36         @Override
  37         public void afterPropertiesSet() throws Exception {
  38                 osgiBundleResourceLoader = new OsgiBundleResourceLoader(getBundle());
  39                 if (getResourcePatternResolver() == null)
  40                         setResourcePatternResolver(new OsgiBundleResourcePatternResolver(
  41                                         osgiBundleResourceLoader));
  42                 super.afterPropertiesSet();
  43         }
  44
  45         public Bundle getBundle() {
  46                 if (bundle != null)
  47                         return bundle;
  48                 else if (bundleSymbolicName != null)// do not cache
  49                         return OsgiBundleUtils.findBundleBySymbolicName(bundleContext,
  50                                         bundleSymbolicName);
  51                 else
  52                         // containing bundle
  53                         return bundleContext.getBundle();
  54         }
  55
  56         public void setBundleContext(BundleContext bundleContext) {
  57                 this.bundleContext = bundleContext;
  58         }
  59
  60         @Override
  61         public ResourceLoader getResourceLoaderToUse() {
  62                 return osgiBundleResourceLoader;
  63         }
  64
  65         public void setBundle(Bundle bundle) {
  66                 this.bundle = bundle;
  67         }
  68
  69         public void setBundleSymbolicName(String bundleSymbolicName) {
  70                 this.bundleSymbolicName = bundleSymbolicName;
  71         }
  72
  73 }