[portal-commits] JBoss Portal SVN: r5792 - trunk/jems/src/main/org/jboss/portal/jems/hibernate

[portal-commits at lists.jboss.org]

Author: julien at jboss.com
Date: 2006-12-11 06:06:15 -0500 (Mon, 11 Dec 2006)
New Revision: 5792

Added:
   trunk/jems/src/main/org/jboss/portal/jems/hibernate/QNameUserType.java
Modified:
   trunk/jems/src/main/org/jboss/portal/jems/hibernate/StringWrapperUserType.java
Log:
Added hibernate QNameUserType which maps a QName on two database columns.

Added: trunk/jems/src/main/org/jboss/portal/jems/hibernate/QNameUserType.java
===================================================================
--- trunk/jems/src/main/org/jboss/portal/jems/hibernate/QNameUserType.java	2006-12-11 10:15:31 UTC (rev 5791)
+++ trunk/jems/src/main/org/jboss/portal/jems/hibernate/QNameUserType.java	2006-12-11 11:06:15 UTC (rev 5792)
@@ -0,0 +1,140 @@
+/******************************************************************************
+ * JBoss, a division of Red Hat                                               *
+ * Copyright 2006, Red Hat Middleware, LLC, and individual                    *
+ * contributors as indicated by the @authors tag. See the                     *
+ * copyright.txt in the distribution for a full listing of                    *
+ * individual contributors.                                                   *
+ *                                                                            *
+ * This is free software; you can redistribute it and/or modify it            *
+ * under the terms of the GNU Lesser General Public License as                *
+ * published by the Free Software Foundation; either version 2.1 of           *
+ * the License, or (at your option) any later version.                        *
+ *                                                                            *
+ * This software is distributed in the hope that it will be useful,           *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU           *
+ * Lesser General Public License for more details.                            *
+ *                                                                            *
+ * You should have received a copy of the GNU Lesser General Public           *
+ * License along with this software; if not, write to the Free                *
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA         *
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.                   *
+ ******************************************************************************/
+package org.jboss.portal.jems.hibernate;
+
+import org.hibernate.usertype.UserType;
+import org.hibernate.HibernateException;
+import org.hibernate.Hibernate;
+
+import javax.xml.namespace.QName;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.PreparedStatement;
+import java.sql.Types;
+import java.io.Serializable;
+
+/**
+ * An hibernate user type to persist the <code>javax.xml.namespace.QName</code> class on two database columns.
+ *
+ * @author <a href="mailto:julien at jboss.org">Julien Viet</a>
+ * @version $Revision: 1.1 $
+ */
+public class QNameUserType implements UserType
+{
+
+   /** . */
+   private static final int[] SQL_TYPES = {Hibernate.STRING.sqlType(),Hibernate.STRING.sqlType()};
+
+   public int[] sqlTypes()
+   {
+      return SQL_TYPES;
+   }
+
+   public Class returnedClass()
+   {
+      return QName.class;
+   }
+
+   public boolean equals(Object x, Object y) throws HibernateException
+   {
+      if (x == y)
+      {
+         return true;
+      }
+      else if (x == null || y == null)
+      {
+         return false;
+      }
+      else
+      {
+         return x.equals(y);
+      }
+   }
+
+   public int hashCode(Object x) throws HibernateException
+   {
+      return x.hashCode();
+   }
+
+   public Object nullSafeGet(ResultSet resultSet, String[] names, Object owner) throws HibernateException, SQLException
+   {
+      // Test nullity on local part
+      String localPart = resultSet.getString(names[1]);
+      if (resultSet.wasNull())
+      {
+         return null;
+      }
+
+      // The namespace URI
+      String namespaceURI = resultSet.getString(names[0]);
+
+      // Oracle considers that the empty string is null (very nice feature, clap clap), so we replace null by empty string
+      if (namespaceURI == null)
+      {
+         namespaceURI = "";
+      }
+
+      //
+      return new QName(namespaceURI, localPart);
+   }
+
+   public void nullSafeSet(PreparedStatement statement, Object value, int index) throws HibernateException, SQLException
+   {
+      if (value == null)
+      {
+         statement.setNull(index, Types.VARCHAR);
+         statement.setNull(index + 1, Types.VARCHAR);
+      }
+      else
+      {
+         QName qname = (QName)value;
+         statement.setString(index, qname.getNamespaceURI());
+         statement.setString(index + 1, qname.getLocalPart());
+      }
+   }
+
+   public Object deepCopy(Object value) throws HibernateException
+   {
+      return value;
+   }
+
+   public boolean isMutable()
+   {
+      return false;
+   }
+
+   public Serializable disassemble(Object value) throws HibernateException
+   {
+      return (QName)value;
+   }
+
+   public Object assemble(Serializable cached, Object owner) throws HibernateException
+   {
+      return cached;
+   }
+
+   public Object replace(Object original, Object target, Object owner) throws HibernateException
+   {
+      return original;
+   }
+}

Modified: trunk/jems/src/main/org/jboss/portal/jems/hibernate/StringWrapperUserType.java
===================================================================
--- trunk/jems/src/main/org/jboss/portal/jems/hibernate/StringWrapperUserType.java	2006-12-11 10:15:31 UTC (rev 5791)
+++ trunk/jems/src/main/org/jboss/portal/jems/hibernate/StringWrapperUserType.java	2006-12-11 11:06:15 UTC (rev 5792)
@@ -65,18 +65,18 @@
       }
    }
 
-   public int hashCode(Object object) throws HibernateException
+   public int hashCode(Object x) throws HibernateException
    {
-      return object.hashCode();
+      return x.hashCode();
    }
 
    public Object nullSafeGet(ResultSet resultSet, String[] names, Object owner) throws HibernateException, SQLException
    {
+      String value = resultSet.getString(names[0]);
       if (resultSet.wasNull())
       {
          return null;
       }
-      String value = resultSet.getString(names[0]);
       return fromString(value);
    }