SingleUserContentRepository.java

   1 package org.argeo.cms.acr;
   2
   3 import java.util.Locale;
   4 import java.util.Objects;
   5
   6 import javax.security.auth.Subject;
   7
   8 import org.argeo.api.acr.ContentSession;
   9 import org.argeo.api.acr.spi.ProvidedRepository;
  10
  11 /**
  12  * A standalone {@link ProvidedRepository} with a single {@link Subject} (which
  13  * also provides the system session).
  14  */
  15 public class SingleUserContentRepository extends AbstractContentRepository {
  16         private final Subject subject;
  17         private final Locale locale;
  18
  19         // the single session
  20         private CmsContentSession contentSession;
  21
  22         public SingleUserContentRepository(Subject subject) {
  23                 this(subject, Locale.getDefault());
  24
  25                 initRootContentProvider(null);
  26         }
  27
  28         public SingleUserContentRepository(Subject subject, Locale locale) {
  29                 Objects.requireNonNull(subject);
  30                 Objects.requireNonNull(locale);
  31
  32                 this.subject = subject;
  33                 this.locale = locale;
  34         }
  35
  36         @Override
  37         public void start() {
  38                 Objects.requireNonNull(subject);
  39                 Objects.requireNonNull(locale);
  40
  41                 super.start();
  42                 if (contentSession != null)
  43                         throw new IllegalStateException("Repository is already started, stop it first.");
  44                 contentSession = new CmsContentSession(this, subject, locale);
  45         }
  46
  47         @Override
  48         public void stop() {
  49                 if (contentSession != null)
  50                         contentSession.close();
  51                 contentSession = null;
  52                 super.stop();
  53         }
  54
  55         @Override
  56         public ContentSession get(Locale locale) {
  57                 if (!this.locale.equals(locale))
  58                         throw new UnsupportedOperationException("This repository does not support multi-locale sessions");
  59                 return contentSession;
  60         }
  61
  62         @Override
  63         public ContentSession get() {
  64                 return contentSession;
  65         }
  66
  67         @Override
  68         protected CmsContentSession newSystemSession() {
  69                 return new CmsContentSession(this, subject, Locale.getDefault());
  70         }
  71
  72 }