From 0ef87ab3785812e2eacdbeea01bc447949111f24 Mon Sep 17 00:00:00 2001
From: tpylak <tpylak>
Date: Fri, 3 Oct 2008 14:05:23 +0000
Subject: [PATCH] LMS-590 sample browser: fix dependencies
SVN: 8532
---
.../business/bo/util/SampleOwnerFinder.java | 172 ++++++++++++++++++
1 file changed, 172 insertions(+)
create mode 100644 openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/util/SampleOwnerFinder.java
diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/util/SampleOwnerFinder.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/util/SampleOwnerFinder.java
new file mode 100644
index 00000000000..b7dd3c0ac26
--- /dev/null
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/util/SampleOwnerFinder.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2008 ETH Zuerich, CISD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ch.systemsx.cisd.openbis.generic.server.business.bo.util;
+
+import ch.systemsx.cisd.common.exceptions.InternalErr;
+import ch.systemsx.cisd.common.exceptions.UserFailureException;
+import ch.systemsx.cisd.openbis.generic.server.dataaccess.IAuthorizationDAOFactory;
+import ch.systemsx.cisd.openbis.generic.server.util.GroupIdentifierHelper;
+import ch.systemsx.cisd.openbis.generic.shared.dto.DatabaseInstancePE;
+import ch.systemsx.cisd.openbis.generic.shared.dto.GroupPE;
+import ch.systemsx.cisd.openbis.generic.shared.dto.PersonPE;
+import ch.systemsx.cisd.openbis.generic.shared.dto.exception.UndefinedGroupException;
+import ch.systemsx.cisd.openbis.generic.shared.dto.identifier.DatabaseInstanceIdentifier;
+import ch.systemsx.cisd.openbis.generic.shared.dto.identifier.GroupIdentifier;
+import ch.systemsx.cisd.openbis.generic.shared.dto.identifier.SampleOwnerIdentifier;
+
+/**
+ * Finds a group or database instance for a given owner identifier.
+ *
+ * @author Tomasz Pylak
+ */
+public class SampleOwnerFinder
+{
+ private final IAuthorizationDAOFactory daoFactory;
+
+ private final PersonPE personPE;
+
+ public SampleOwnerFinder(final IAuthorizationDAOFactory daoFactory, final PersonPE personPE)
+ {
+ assert daoFactory != null : "Unspecified DAOFactory";
+ assert personPE != null : "Unspecified person";
+ this.daoFactory = daoFactory;
+ this.personPE = personPE;
+ }
+
+ public SampleOwner figureSampleOwner(final SampleOwnerIdentifier owner)
+ {
+ final SampleOwner ownerId = tryFigureSampleOwner(owner);
+ if (ownerId == null)
+ {
+ throw UserFailureException.fromTemplate("Incorrect group or database name in '%s'",
+ owner);
+ }
+ return ownerId;
+ }
+
+ // determines the owner of the sample if it belongs to the home group or home database
+ public SampleOwner tryFigureSampleOwner(final SampleOwnerIdentifier owner)
+ {
+ if (owner.isDatabaseInstanceLevel())
+ {
+ final DatabaseInstanceIdentifier databaseInstanceIdentifier =
+ owner.getDatabaseInstanceLevel();
+ return tryFigureSampleDatabaseOwner(databaseInstanceIdentifier);
+ } else if (owner.isGroupLevel())
+ {
+ return tryFigureSampleGroupOwner(owner);
+ } else
+ throw InternalErr.error();
+ }
+
+ private SampleOwner tryFigureSampleGroupOwner(final SampleOwnerIdentifier owner)
+ {
+ if (owner.isInsideHomeGroup())
+ {
+ return createHomeGroupOwner(owner);
+ } else
+ {
+ final GroupIdentifier groupIdentifier = owner.getGroupLevel();
+ return tryFindAbsoluteGroupOwner(groupIdentifier);
+ }
+ }
+
+ private SampleOwner tryFigureSampleDatabaseOwner(
+ final DatabaseInstanceIdentifier databaseInstanceIdentifier)
+ {
+ final DatabaseInstancePE databaseInstance =
+ GroupIdentifierHelper
+ .tryGetDatabaseInstance(databaseInstanceIdentifier, daoFactory);
+ if (databaseInstance == null)
+ {
+ return null;
+ }
+ return SampleOwner.createDatabaseInstance(databaseInstance);
+ }
+
+ private SampleOwner tryFindAbsoluteGroupOwner(final GroupIdentifier groupIdentifier)
+ {
+ final GroupPE group =
+ GroupIdentifierHelper.tryGetGroup(groupIdentifier, personPE, daoFactory);
+ if (group == null)
+ {
+ return null;
+ }
+ return SampleOwner.createGroup(group);
+ }
+
+ private SampleOwner createHomeGroupOwner(final SampleOwnerIdentifier identifier)
+ {
+ final GroupPE homeGroup = personPE.getHomeGroup();
+ if (homeGroup == null)
+ {
+ throw new UndefinedGroupException();
+ }
+ return SampleOwner.createGroup(homeGroup);
+ }
+
+ /**
+ * Determines who is the "owner" of the sample: the group or to the database instance. Stores
+ * the owners id.
+ */
+ public static class SampleOwner
+ {
+ // if filled, databaseInstanceOrNull must be null
+ private GroupPE groupOrNull;
+
+ // if filled, groupOrNull must be null
+ private DatabaseInstancePE databaseInstanceOrNull;
+
+ public SampleOwner(GroupPE groupOrNull, DatabaseInstancePE databaseInstanceOrNull)
+ {
+ assert groupOrNull == null || databaseInstanceOrNull == null;
+ assert groupOrNull != null || databaseInstanceOrNull != null;
+ this.groupOrNull = groupOrNull;
+ this.databaseInstanceOrNull = databaseInstanceOrNull;
+ }
+
+ public static SampleOwner createGroup(GroupPE group)
+ {
+ return new SampleOwner(group, null);
+ }
+
+ public static SampleOwner createDatabaseInstance(DatabaseInstancePE databaseInstance)
+ {
+ return new SampleOwner(null, databaseInstance);
+ }
+
+ public boolean isGroupLevel()
+ {
+ return groupOrNull != null;
+ }
+
+ public boolean isDatabaseInstanceLevel()
+ {
+ return databaseInstanceOrNull != null;
+ }
+
+ public GroupPE tryGetGroup()
+ {
+ return groupOrNull;
+ }
+
+ public DatabaseInstancePE tryGetDatabaseInstance()
+ {
+ return databaseInstanceOrNull;
+ }
+ }
+}
--
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