/*
    *  Copyright 2013 Christopher Pheby
    *
    *  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 org.jadira.usertype.spi.shared;
  
  import java.sql.Timestamp;
  import java.util.Calendar;
  import java.util.Comparator;
  import java.util.Date;
  
  import org.hibernate.HibernateException;
  import org.hibernate.dialect.Dialect;
  import org.hibernate.engine.spi.SharedSessionContractImplementor;
  import org.hibernate.type.AbstractSingleColumnStandardBasicType;
  import org.hibernate.type.LiteralType;
  import org.hibernate.type.StringType;
  import org.hibernate.type.VersionType;
  import org.hibernate.type.descriptor.java.JdbcTimestampTypeDescriptor;
  import org.jadira.usertype.spi.shared.descriptor.sql.DstSafeTimestampTypeDescriptor;
  
  /**
   * @deprecated This class should no longer be used now that Hibernate allows configuration of  hibernate.jdbc.time_zone configuration property 
   */
  @Deprecated
  public class DstSafeTimestampType extends
  		AbstractSingleColumnStandardBasicType<Date> implements
  		VersionType<Date>, LiteralType<Date> {
  
  	private static final long serialVersionUID = -3665273920874664942L;
  
  	public static final DstSafeTimestampType INSTANCE = new DstSafeTimestampType();
  
  	public DstSafeTimestampType() {
  		super(DstSafeTimestampTypeDescriptor.INSTANCE,
  				JdbcTimestampTypeDescriptor.INSTANCE);
  	}
  	
  	public DstSafeTimestampType(Calendar cal) {
  		super(cal == null ? DstSafeTimestampTypeDescriptor.INSTANCE : new DstSafeTimestampTypeDescriptor(cal),
  				JdbcTimestampTypeDescriptor.INSTANCE);
  	}
  
  	public String getName() {
  		return "dstSafeTimestamp";
  	}
  
  	@Override
  	public String[] getRegistrationKeys() {
  		return new String[] { getName(), Timestamp.class.getName(),
  				java.util.Date.class.getName() };
  	}
  
  	public Date next(Date current, SharedSessionContractImplementor session) {
  		return seed(session);
  	}
  
  	public Date seed(SharedSessionContractImplementor session) {
  		return new Timestamp(System.currentTimeMillis());
  	}
  
  	public Comparator<Date> getComparator() {
  		return getJavaTypeDescriptor().getComparator();
  	}
  
  	public String objectToSQLString(Date value, Dialect dialect)
  			throws Exception {
  		final Timestamp ts = Timestamp.class.isInstance(value) ? (Timestamp) value
  				: new Timestamp(value.getTime());
  		// TODO : use JDBC date literal escape syntax? -> {d 'date-string'} in
  		// yyyy-mm-dd hh:mm:ss[.f...] format
  		return StringType.INSTANCE.objectToSQLString(ts.toString(), dialect);
  	}
  
  	public Date fromStringValue(String xml) throws HibernateException {
  		return fromString(xml);
  	}
  }