legacy/runtime/org.argeo.slc.detached/src/main/java/org/argeo/slc/detached/admin/OpenSession.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   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 package org.argeo.slc.detached.admin;
  17
  18 import java.util.List;
  19 import java.util.ArrayList;
  20 import java.util.Properties;
  21 import java.util.StringTokenizer;
  22
  23 import org.apache.commons.logging.Log;
  24 import org.apache.commons.logging.LogFactory;
  25 import org.argeo.slc.detached.DetachedAdminCommand;
  26 import org.argeo.slc.detached.DetachedException;
  27 import org.argeo.slc.detached.DetachedRequest;
  28 import org.argeo.slc.detached.DetachedSession;
  29 import org.osgi.framework.Bundle;
  30 import org.osgi.framework.BundleContext;
  31
  32 public class OpenSession implements DetachedAdminCommand {
  33         private final static Log log = LogFactory.getLog(OpenSession.class);
  34
  35         public DetachedSession execute(DetachedRequest request,
  36                         BundleContext bundleContext) {
  37
  38                 DetachedSession session = new DetachedSession();
  39                 session.setUuid(Long.toString(System.currentTimeMillis()));
  40
  41                 Properties props = request.getProperties();
  42                 if (props.containsKey(DetachedSession.PROP_DO_IT_AGAIN_POLICY))
  43                         session.setDoItAgainPolicy(props
  44                                         .getProperty(DetachedSession.PROP_DO_IT_AGAIN_POLICY));
  45
  46                 String refreshedBundles = props
  47                                 .getProperty("slc.detached.refreshedBundles");
  48                 if (refreshedBundles != null) {
  49
  50                         List refreshedBundleNames = new ArrayList();
  51                         StringTokenizer st = new StringTokenizer(refreshedBundles, ",");
  52                         while (st.hasMoreTokens()) {
  53                                 refreshedBundleNames.add(st.nextElement());
  54                         }
  55
  56                         Bundle[] allBundles = bundleContext.getBundles();
  57                         Bundle[] bundlesToRefresh = new Bundle[refreshedBundleNames.size()];
  58
  59                         log.debug("Bundles to refresh for DetachedSession:");
  60
  61                         for(int i = 0; i < bundlesToRefresh.length; ++i) {
  62                                 bundlesToRefresh[i] = getBundleForName((String)refreshedBundleNames.get(i), allBundles);
  63                                 if(log.isDebugEnabled())
  64                                         log.debug(" " + refreshedBundleNames.get(i));
  65                         }
  66
  67                         (new MinimalBundlesManager(bundleContext)).upgradeSynchronous(bundlesToRefresh);
  68                 }
  69
  70                 return session;
  71         }
  72
  73         private Bundle getBundleForName(String symbolicName, Bundle[] bundles) {
  74                 for (int i = 0; i < bundles.length; i++) {
  75                         if (symbolicName.equals(bundles[i].getSymbolicName())) {
  76                                 return bundles[i];
  77                         }
  78                 }
  79                 throw new DetachedException("No Bundle found for symbolic name " + symbolicName);
  80         }
  81 }