org.argeo.cms/src/org/argeo/cms/internal/kernel/CmsDeployment.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import static org.argeo.node.DataModelNamespace.CMS_DATA_MODEL_NAMESPACE;
   4
   5 import java.io.InputStreamReader;
   6 import java.io.Reader;
   7 import java.net.URL;
   8 import java.util.Dictionary;
   9 import java.util.HashSet;
  10 import java.util.Hashtable;
  11 import java.util.List;
  12 import java.util.Map;
  13 import java.util.Set;
  14
  15 import javax.jcr.Repository;
  16 import javax.jcr.Session;
  17
  18 import org.apache.commons.logging.Log;
  19 import org.apache.commons.logging.LogFactory;
  20 import org.apache.jackrabbit.commons.cnd.CndImporter;
  21 import org.argeo.cms.CmsException;
  22 import org.argeo.jcr.ArgeoJcrConstants;
  23 import org.argeo.jcr.JcrUtils;
  24 import org.argeo.node.DataModelNamespace;
  25 import org.argeo.node.NodeDeployment;
  26 import org.osgi.framework.Bundle;
  27 import org.osgi.framework.BundleContext;
  28 import org.osgi.framework.FrameworkUtil;
  29 import org.osgi.framework.wiring.BundleCapability;
  30 import org.osgi.framework.wiring.BundleWire;
  31 import org.osgi.framework.wiring.BundleWiring;
  32 import org.osgi.service.cm.ConfigurationException;
  33 import org.osgi.service.cm.ManagedService;
  34
  35 public class CmsDeployment implements NodeDeployment, ManagedService {
  36         private final Log log = LogFactory.getLog(getClass());
  37         private final BundleContext bc = FrameworkUtil.getBundle(getClass()).getBundleContext();
  38
  39         private Repository deployedNodeRepository;
  40         private HomeRepository homeRepository;
  41
  42         @Override
  43         public void updated(Dictionary<String, ?> properties) throws ConfigurationException {
  44                 if (properties == null)
  45                         return;
  46
  47                 prepareDataModel(KernelUtils.openAdminSession(deployedNodeRepository));
  48                 Hashtable<String, String> regProps = new Hashtable<String, String>();
  49                 regProps.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, ArgeoJcrConstants.ALIAS_HOME);
  50                 homeRepository = new HomeRepository(deployedNodeRepository);
  51                 // register
  52                 bc.registerService(Repository.class, homeRepository, regProps);
  53 }
  54
  55         /** Session is logged out. */
  56         private void prepareDataModel(Session adminSession) {
  57                 try {
  58                         Set<String> processed = new HashSet<String>();
  59                         bundles: for (Bundle bundle : bc.getBundles()) {
  60                                 BundleWiring wiring = bundle.adapt(BundleWiring.class);
  61                                 if (wiring == null) {
  62                                         if (log.isTraceEnabled())
  63                                                 log.error("No wiring for " + bundle.getSymbolicName());
  64                                         continue bundles;
  65                                 }
  66                                 processWiring(adminSession, wiring, processed);
  67                         }
  68                 } finally {
  69                         JcrUtils.logoutQuietly(adminSession);
  70                 }
  71         }
  72
  73         private void processWiring(Session adminSession, BundleWiring wiring, Set<String> processed) {
  74                 // recursively process requirements first
  75                 List<BundleWire> requiredWires = wiring.getRequiredWires(CMS_DATA_MODEL_NAMESPACE);
  76                 for (BundleWire wire : requiredWires) {
  77                         processWiring(adminSession, wire.getProviderWiring(), processed);
  78                         // registerCnd(adminSession, wire.getCapability(), processed);
  79                 }
  80                 List<BundleCapability> capabilities = wiring.getCapabilities(CMS_DATA_MODEL_NAMESPACE);
  81                 for (BundleCapability capability : capabilities) {
  82                         registerCnd(adminSession, capability, processed);
  83                 }
  84         }
  85
  86         private void registerCnd(Session adminSession, BundleCapability capability, Set<String> processed) {
  87                 Map<String, Object> attrs = capability.getAttributes();
  88                 String name = attrs.get(DataModelNamespace.CAPABILITY_NAME_ATTRIBUTE).toString();
  89                 if (processed.contains(name)) {
  90                         if (log.isTraceEnabled())
  91                                 log.trace("Data model " + name + " has already been processed");
  92                         return;
  93                 }
  94                 String path = attrs.get(DataModelNamespace.CAPABILITY_CND_ATTRIBUTE).toString();
  95                 URL url = capability.getRevision().getBundle().getResource(path);
  96                 try (Reader reader = new InputStreamReader(url.openStream())) {
  97                         CndImporter.registerNodeTypes(reader, adminSession, true);
  98                         processed.add(name);
  99                         if (log.isDebugEnabled())
 100                                 log.debug("Registered CND " + url);
 101                 } catch (Exception e) {
 102                         throw new CmsException("Cannot import CND " + url, e);
 103                 }
 104
 105                 Hashtable<String, Object> properties = new Hashtable<>();
 106                 properties.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, name);
 107                 bc.registerService(Repository.class, adminSession.getRepository(), properties);
 108                 if (log.isDebugEnabled())
 109                         log.debug("Published data model " + name);
 110         }
 111
 112         public void setDeployedNodeRepository(Repository deployedNodeRepository) {
 113                 this.deployedNodeRepository = deployedNodeRepository;
 114         }
 115
 116
 117 }