NIHVIVO-2299 add getAllUserAccounts() to UserAccountsDao classes.

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/UserAccountsDao.java

@@ -13,6 +13,11 @@ import edu.cornell.mannlib.vitro.webapp.beans.UserAccount;
  */
 public interface UserAccountsDao {
 
+	/**
+	 * Get all of the UserAccounts in the model.
+	 */
+	Collection<UserAccount> getAllUserAccounts();
+
 	/**
 	 * Get the UserAccount for this URI.
 	 * 

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/filtering/UserAccountsDaoFiltering.java

@@ -27,6 +27,11 @@ public class UserAccountsDaoFiltering extends BaseFiltering implements
 		this.filters = filters;
 	}
 
+	@Override
+	public Collection<UserAccount> getAllUserAccounts() {
+		return innerDao.getAllUserAccounts();
+	}
+
 	@Override
 	public UserAccount getUserAccountByUri(String uri) {
 		return innerDao.getUserAccountByUri(uri);

webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/UserAccountsDaoJena.java

@@ -38,6 +38,36 @@ public class UserAccountsDaoJena extends JenaBaseDao implements UserAccountsDao
 		return getOntModelSelector().getUserAccountsModel();
 	}
 
+	@Override
+	public Collection<UserAccount> getAllUserAccounts() {
+		List<String> userUris = new ArrayList<String>();
+
+		getOntModel().enterCriticalSection(Lock.READ);
+		try {
+			StmtIterator stmts = getOntModel().listStatements((Resource) null,
+					RDF.type, USERACCOUNT);
+			while (stmts.hasNext()) {
+				Resource subject = stmts.next().getSubject();
+				if (subject != null) {
+					userUris.add(subject.getURI());
+				}
+			}
+			stmts.close();
+		} finally {
+			getOntModel().leaveCriticalSection();
+		}
+
+		List<UserAccount> userAccounts = new ArrayList<UserAccount>();
+		for (String userUri : userUris) {
+			UserAccount ua = getUserAccountByUri(userUri);
+			if (ua != null) {
+				userAccounts.add(ua);
+			}
+		}
+
+		return userAccounts;
+	}
+
 	@Override
 	public UserAccount getUserAccountByUri(String uri) {
 		if (uri == null) {

webapp/test/stubs/edu/cornell/mannlib/vitro/webapp/dao/UserAccountsDaoStub.java

@@ -84,4 +84,10 @@ public class UserAccountsDaoStub implements UserAccountsDao {
 				"UserAccountsDao.getUserAccountByExternalAuthId() not implemented.");
 	}
 
+	@Override
+	public Collection<UserAccount> getAllUserAccounts() {
+		throw new RuntimeException(
+				"UserAccountsDao.getAllUserAccounts() not implemented.");
+	}
+
 }