runtime/org.argeo.slc.support.equinox/src/main/java/org/argeo/slc/osgi/BundlesManager.java

   1 package org.argeo.slc.osgi;
   2
   3 import java.util.ArrayList;
   4 import java.util.HashMap;
   5 import java.util.List;
   6 import java.util.Map;
   7
   8 import org.apache.commons.logging.Log;
   9 import org.apache.commons.logging.LogFactory;
  10 import org.osgi.framework.Bundle;
  11 import org.osgi.framework.BundleContext;
  12 import org.osgi.framework.BundleException;
  13 import org.springframework.osgi.context.BundleContextAware;
  14
  15 public class BundlesManager implements BundleContextAware {
  16         private final static Log log = LogFactory.getLog(BundlesManager.class);
  17
  18         private BundleContext bundleContext;
  19
  20         private List<String> urlsToInstall;
  21
  22         public void init() {
  23                 // Install
  24                 if (urlsToInstall != null) {
  25                         Map<String, Bundle> installedBundles = new HashMap<String, Bundle>();
  26                         for (Bundle bundle : bundleContext.getBundles())
  27                                 installedBundles.put(bundle.getLocation(), bundle);
  28
  29                         for (String url : urlsToInstall)
  30                                 try {
  31
  32                                         if (installedBundles.containsKey(url)) {
  33                                                 Bundle bundle = installedBundles.get(url);
  34                                                 // bundle.update();
  35                                                 log.debug("Bundle " + bundle.getSymbolicName()
  36                                                                 + " already installed from " + url);
  37                                         } else {
  38                                                 Bundle bundle = bundleContext.installBundle(url);
  39                                                 log.debug("Installed bundle "
  40                                                                 + bundle.getSymbolicName() + " from " + url);
  41                                         }
  42                                 } catch (BundleException e) {
  43                                         log.warn("Could not install bundle from " + url + ": "
  44                                                         + e.getMessage());
  45                                 }
  46                 }
  47
  48         }
  49
  50         public void setBundleContext(BundleContext bundleContext) {
  51                 this.bundleContext = bundleContext;
  52         }
  53
  54         public void setUrlsToInstall(List<String> urlsToInstall) {
  55                 this.urlsToInstall = urlsToInstall;
  56         }
  57
  58 }