--- /dev/null
+package org.argeo.cms.ui.jcr;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Observable;
+import java.util.TreeMap;
+
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+
+import org.argeo.api.cms.CmsConstants;
+import org.argeo.api.cms.CmsLog;
+
+public class DefaultRepositoryRegister extends Observable implements RepositoryRegister {
+ /** Key for a JCR repository alias */
+ private final static String CN = CmsConstants.CN;
+ /** Key for a JCR repository URI */
+ // public final static String JCR_REPOSITORY_URI = "argeo.jcr.repository.uri";
+ private final static CmsLog log = CmsLog.getLog(DefaultRepositoryRegister.class);
+
+ /** Read only map which will be directly exposed. */
+ private Map<String, Repository> repositories = Collections.unmodifiableMap(new TreeMap<String, Repository>());
+
+ @SuppressWarnings("rawtypes")
+ public synchronized Repository getRepository(Map parameters) throws RepositoryException {
+ if (!parameters.containsKey(CN))
+ throw new RepositoryException("Parameter " + CN + " has to be defined.");
+ String alias = parameters.get(CN).toString();
+ if (!repositories.containsKey(alias))
+ throw new RepositoryException("No repository registered with alias " + alias);
+
+ return repositories.get(alias);
+ }
+
+ /** Access to the read-only map */
+ public synchronized Map<String, Repository> getRepositories() {
+ return repositories;
+ }
+
+ /** Registers a service, typically called when OSGi services are bound. */
+ @SuppressWarnings("rawtypes")
+ public synchronized void register(Repository repository, Map properties) {
+ String alias;
+ if (properties == null || !properties.containsKey(CN)) {
+ log.warn("Cannot register a repository if no " + CN + " property is specified.");
+ return;
+ }
+ alias = properties.get(CN).toString();
+ Map<String, Repository> map = new TreeMap<String, Repository>(repositories);
+ map.put(alias, repository);
+ repositories = Collections.unmodifiableMap(map);
+ setChanged();
+ notifyObservers(alias);
+ }
+
+ /** Unregisters a service, typically called when OSGi services are unbound. */
+ @SuppressWarnings("rawtypes")
+ public synchronized void unregister(Repository repository, Map properties) {
+ // TODO: also check bean name?
+ if (properties == null || !properties.containsKey(CN)) {
+ log.warn("Cannot unregister a repository without property " + CN);
+ return;
+ }
+
+ String alias = properties.get(CN).toString();
+ Map<String, Repository> map = new TreeMap<String, Repository>(repositories);
+ if (map.remove(alias) == null) {
+ log.warn("No repository was registered with alias " + alias);
+ return;
+ }
+ repositories = Collections.unmodifiableMap(map);
+ setChanged();
+ notifyObservers(alias);
+ }
+}