argos/dmp-backend/src/main/java/typedefinition/XMLType.java

89 lines
2.6 KiB
Java

package typedefinition;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.HibernateException;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.usertype.UserType;
/**
* Store and retrieve a PostgreSQL "xml" column as a Java string.
*/
public class XMLType implements UserType {
private final int[] sqlTypesSupported = new int[] { Types.VARCHAR };
public int[] sqlTypes() {
return sqlTypesSupported;
}
public Class returnedClass() {
return String.class;
}
public boolean equals(Object x, Object y) throws HibernateException {
if (x == null) {
return y == null;
} else {
return x.equals(y);
}
}
public int hashCode(Object x) throws HibernateException {
return x == null ? null : x.hashCode();
}
public Object nullSafeGet(ResultSet rs, String[] names, Object owner) throws HibernateException, SQLException {
assert(names.length == 1);
String xmldoc = rs.getString( names[0] );
return rs.wasNull() ? null : xmldoc;
}
public void nullSafeSet(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
if (value == null) {
st.setNull(index, Types.OTHER);
} else {
st.setObject(index, value, Types.OTHER);
}
}
public Object deepCopy(Object value) throws HibernateException {
if (value == null)
return null;
return new String( (String)value );
}
public boolean isMutable() {
return false;
}
public Serializable disassemble(Object value) throws HibernateException {
return (String) value;
}
public Object assemble(Serializable cached, Object owner) throws HibernateException {
return (String) cached;
}
public Object replace(Object original, Object target, Object owner) throws HibernateException {
return original;
}
public Object nullSafeGet(ResultSet rs, String[] names, SharedSessionContractImplementor session, Object owner)
throws HibernateException, SQLException
{
return nullSafeGet(rs, names, owner);
}
public void nullSafeSet(PreparedStatement st, Object value, int index, SharedSessionContractImplementor session) throws HibernateException, SQLException
{
nullSafeSet(st, value, index);
}
}