org.argeo.app.jcr/src/org/argeo/app/jcr/CustomMaintenanceService.java

   1 package org.argeo.app.jcr;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.net.URL;
   6 import java.util.ArrayList;
   7 import java.util.List;
   8
   9 import javax.jcr.ImportUUIDBehavior;
  10 import javax.jcr.ItemExistsException;
  11 import javax.jcr.Node;
  12 import javax.jcr.RepositoryException;
  13
  14 import org.argeo.api.cms.CmsLog;
  15 import org.argeo.app.api.EntityType;
  16 import org.argeo.jcr.JcrUtils;
  17 import org.argeo.maintenance.AbstractMaintenanceService;
  18
  19 /** Base for custom initialisations. */
  20 public abstract class CustomMaintenanceService extends AbstractMaintenanceService {
  21         private final static CmsLog log = CmsLog.getLog(AbstractMaintenanceService.class);
  22
  23         protected List<String> getTypologies() {
  24                 return new ArrayList<>();
  25         }
  26
  27         protected String getTypologiesLoadBase() {
  28                 return "";
  29         }
  30
  31         protected void loadTypologies(Node customBaseNode) throws RepositoryException, IOException {
  32                 List<String> typologies = getTypologies();
  33                 if (!typologies.isEmpty()) {
  34                         Node termsBase = JcrUtils.getOrAdd(customBaseNode, EntityType.terms.name(), EntityType.typologies.get());
  35                         for (String terms : typologies) {
  36                                 loadTerms(termsBase, terms);
  37                         }
  38                         // TODO do not save here, so that upper layers can decide when to save
  39                         termsBase.getSession().save();
  40                 }
  41         }
  42
  43         protected void loadTerms(Node termsBase, String name) throws IOException, RepositoryException {
  44                 try {
  45 //                      if (termsBase.hasNode(name))
  46 //                              return;
  47                         String typologiesLoadBase = getTypologiesLoadBase();
  48                         if (typologiesLoadBase.contains("/") && !typologiesLoadBase.endsWith("/"))
  49                                 typologiesLoadBase = typologiesLoadBase + "/";
  50                         String termsLoadPath = typologiesLoadBase + name + ".xml";
  51                         URL termsUrl = getClass().getResource(termsLoadPath);
  52                         if (termsUrl == null)
  53                                 throw new IllegalArgumentException("Terms '" + name + "' not found.");
  54                         try (InputStream in = termsUrl.openStream()) {
  55                                 termsBase.getSession().importXML(termsBase.getPath(), in,
  56                                                 ImportUUIDBehavior.IMPORT_UUID_COLLISION_REPLACE_EXISTING);
  57                         } catch (ItemExistsException e) {
  58                                 log.warn("Terms " + name + " exists with another UUID, removing it...");
  59                                 if (termsBase.hasNode(name))
  60                                         termsBase.getNode(name).remove();
  61                                 try (InputStream in = termsUrl.openStream()) {
  62                                         termsBase.getSession().importXML(termsBase.getPath(), in,
  63                                                         ImportUUIDBehavior.IMPORT_UUID_COLLISION_REPLACE_EXISTING);
  64                                 }
  65                         }
  66                         if (log.isDebugEnabled())
  67                                 log.debug("Terms '" + name + "' loaded.");
  68                         // TODO do not save here, so that upper layers can decide when to save
  69                         termsBase.getSession().save();
  70                 } catch (RepositoryException | IOException e) {
  71                         log.error("Cannot load terms '" + name + "': " + e.getMessage());
  72                         throw e;
  73                 }
  74         }
  75
  76 }