Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / real-world application / MyDerby-10.3 / java / engine / org / apache / derby / iapi / sql / dictionary / StatementSchemaPermission.java

diff --git a/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/iapi/sql/dictionary/StatementSchemaPermission.java b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/iapi/sql/dictionary/StatementSchemaPermission.java
new file mode 100644 (file)
index 0000000..51bf02b
--- /dev/null
+++ b/JMCR-Stable/real-world application/MyDerby-10.3/java/engine/org/apache/derby/iapi/sql/dictionary/StatementSchemaPermission.java
@@ -0,0 +1,117 @@
+/*\r
+\r
+   Derby - Class org.apache.derby.iapi.sql.dictionary.StatementRoutinePermission\r
+\r
+   Licensed to the Apache Software Foundation (ASF) under one or more\r
+   contributor license agreements.  See the NOTICE file distributed with\r
+   this work for additional information regarding copyright ownership.\r
+   The ASF licenses this file to you under the Apache License, Version 2.0\r
+   (the "License"); you may not use this file except in compliance with\r
+   the License.  You may obtain a copy of the License at\r
+\r
+         http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+   Unless required by applicable law or agreed to in writing, software\r
+   distributed under the License is distributed on an "AS IS" BASIS,\r
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+   See the License for the specific language governing permissions and\r
+   limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.iapi.sql.dictionary;\r
+\r
+import org.apache.derby.iapi.error.StandardException;\r
+import org.apache.derby.iapi.sql.conn.Authorizer;\r
+import org.apache.derby.iapi.reference.SQLState;\r
+import org.apache.derby.iapi.sql.dictionary.SchemaDescriptor;\r
+import org.apache.derby.iapi.sql.conn.LanguageConnectionContext;\r
+import org.apache.derby.iapi.store.access.TransactionController;\r
+import org.apache.derby.iapi.services.sanity.SanityManager;\r
+\r
+/**\r
+ * This class describes a schema permission required by a statement.\r
+ */\r
+\r
+public class StatementSchemaPermission extends StatementPermission\r
+{\r
+       /**\r
+        * The schema name \r
+        */\r
+       private String schemaName;\r
+       /**\r
+        * Authorization id\r
+        */\r
+       private String aid;  \r
+       /**      \r
+        * One of Authorizer.CREATE_SCHEMA_PRIV, MODIFY_SCHEMA_PRIV,  \r
+        * DROP_SCHEMA_PRIV, etc.\r
+        */ \r
+       private int privType;  \r
+\r
+       public StatementSchemaPermission(String schemaName, String aid, int privType)\r
+       {\r
+               this.schemaName = schemaName;\r
+               this.aid        = aid;\r
+               this.privType   = privType;\r
+       }\r
+\r
+       /**\r
+        * @see StatementPermission#check\r
+        */\r
+       public void check( LanguageConnectionContext lcc,\r
+                                          String authid,\r
+                                          boolean forGrant) throws StandardException\r
+       {\r
+               DataDictionary dd =     lcc.getDataDictionary();\r
+               TransactionController tc = lcc.getTransactionExecute();\r
+       \r
+               switch ( privType )\r
+               {\r
+                       case Authorizer.MODIFY_SCHEMA_PRIV:\r
+                       case Authorizer.DROP_SCHEMA_PRIV:\r
+                               SchemaDescriptor sd = dd.getSchemaDescriptor(schemaName, tc, false);\r
+                               // If schema hasn't been created already, no need to check\r
+                               // for drop schema, an exception will be thrown if the schema \r
+                               // does not exists.\r
+                               if (sd == null)\r
+                                       return;\r
+\r
+                               if (!authid.equals(sd.getAuthorizationId()))\r
+                                       throw StandardException.newException(\r
+                                               SQLState.AUTH_NO_ACCESS_NOT_OWNER, authid, schemaName);\r
+                               break;\r
+                       \r
+                       case Authorizer.CREATE_SCHEMA_PRIV:\r
+                               // Non-DBA Users can only create schemas that match their authid\r
+                               // Also allow only DBA to set authid to another user\r
+                               // Note that for DBA, check interface wouldn't be called at all\r
+                               if ( !schemaName.equals(authid) || \r
+                                               (aid != null && !aid.equals(authid)) )\r
+                                       throw StandardException.newException(\r
+                                               SQLState.AUTH_NOT_DATABASE_OWNER, authid, schemaName);\r
+                               break;\r
+                       \r
+                       default:\r
+                               if (SanityManager.DEBUG)\r
+                               {\r
+                                       SanityManager.THROWASSERT(\r
+                                                       "Unexpected value (" + privType + ") for privType");\r
+                               }\r
+                               break;\r
+               }\r
+       }\r
+\r
+       /**\r
+        * Schema level permission is never required as list of privileges required\r
+        * for triggers/constraints/views and hence we don't do any work here, but\r
+        * simply return null\r
+        * \r
+        * @see StatementPermission#check\r
+        */\r
+       public PermissionsDescriptor getPermissionDescriptor(String authid, DataDictionary dd)\r
+       throws StandardException\r
+       {\r
+               return null;\r
+       }\r
+}\r