cdmlib-model/src/main/java/eu/etaxonomy/cdm/hibernate/URIUserType.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.cdm.hibernate;
  10
  11
  12 import java.net.URI;
  13 import java.net.URISyntaxException;
  14 import java.sql.PreparedStatement;
  15 import java.sql.ResultSet;
  16 import java.sql.SQLException;
  17 import java.sql.Types;
  18 import java.util.UUID;
  19
  20 import org.hibernate.HibernateException;
  21 import org.hibernate.TypeMismatchException;
  22 import org.hibernate.engine.spi.SessionImplementor;
  23 import org.hibernate.type.StandardBasicTypes;
  24 import org.hibernate.usertype.UserType;
  25 import org.jadira.usertype.dateandtime.shared.spi.AbstractSingleColumnUserType;
  26 import org.jadira.usertype.dateandtime.shared.spi.AbstractUserType;
  27 import org.jadira.usertype.dateandtime.shared.spi.ColumnMapper;
  28
  29 /**
  30  * This class maps java.net.URI to varchar(255)
  31  * @author a.mueller
  32  *
  33  */
  34 public class URIUserType extends AbstractUserType implements UserType {
  35         private static final long serialVersionUID = -5825017496962569105L;
  36
  37         /**
  38      * SQL type for this usertype.
  39      */
  40     private static final int[] SQL_TYPES = {Types.VARCHAR};
  41
  42         /* (non-Javadoc)
  43          * @see org.jadira.usertype.dateandtime.shared.spi.AbstractSingleColumnUserType#returnedClass()
  44          */
  45         @Override
  46         public Class returnedClass() {
  47                 return URI.class;
  48         }
  49
  50         @Override
  51         public int[] sqlTypes() {
  52                 return SQL_TYPES;
  53         }
  54
  55
  56         @Override
  57         public URI nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner)
  58                         throws HibernateException, SQLException {
  59                 String val = (String) StandardBasicTypes.STRING.nullSafeGet(rs, names, session, owner);
  60
  61                 if(val == null) {
  62                         return null;
  63                 } else {
  64             try {
  65                             return new URI(val);
  66                     } catch (URISyntaxException e) {
  67                             throw new TypeMismatchException(e);
  68                     }
  69                 }
  70     }
  71
  72
  73
  74         @Override
  75         public void nullSafeSet(PreparedStatement statement, Object value, int index, SessionImplementor session)
  76                         throws HibernateException, SQLException {
  77
  78                 if (value == null) {
  79 //        statement.setString(index, null); old version
  80           StandardBasicTypes.STRING.nullSafeSet(statement, value, index, session);
  81       } else {
  82           URI uri = (URI) value;
  83 //       statement.setString(index, uri.toString()); //old version
  84           StandardBasicTypes.STRING.nullSafeSet(statement, uri.toString(), index, session);
  85       }
  86
  87     }
  88
  89     /**
  90      * @param value value being copied
  91      * @return copied value
  92      */
  93     public Object deepCopy(Object value) {
  94         if (value == null) {
  95             return null;
  96         }
  97         try {
  98             return new URI(((URI) value).toString());
  99         } catch (URISyntaxException e) {
 100             throw new TypeMismatchException(e);
 101         }
 102     }
 103
 104
 105
 106 }