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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  The ASF licenses this file to You
* 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.  For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.model;

import java.util.Calendar;
import java.util.Date;

import javax.xml.namespace.QName;

import org.apache.abdera.factory.Factory;

/**
 * An ElementWrapper implementation that can serve as the basis for 
 * Atom Date Construct based extensions.
 */
public abstract class DateTimeWrapper 
  extends ElementWrapper 
  implements DateTime {
  
  protected DateTimeWrapper(Element internal) {
    super(internal);
  }

  protected DateTimeWrapper(Factory factory, QName qname) {
    super(factory, qname);
  }

  public AtomDate getValue() {
    AtomDate value = null;
    String v = getText();
    if (v != null) {
      value = AtomDate.valueOf(v);
    }
    return value;
  }

  public DateTime setValue(AtomDate dateTime) {
    if (dateTime != null)
      setText(dateTime.getValue());
    else 
      setText("");
    return this;
  }

  public DateTime setDate(Date date) {
    if (date != null)
      setText(AtomDate.valueOf(date).getValue());
    else 
      setText("");
    return this;
  }

  public DateTime setCalendar(Calendar date) {
    if (date != null)
      setText(AtomDate.valueOf(date).getValue());
    else 
      setText("");
    return this;
  }

  public DateTime setTime(long date) {
    setText(AtomDate.valueOf(date).getValue());
    return this;
  }

  public DateTime setString(String date) {
    if (date != null)
      setText(AtomDate.valueOf(date).getValue());
    else 
      setText("");
    return this;
  }

  public Date getDate() {
    AtomDate ad = getValue();
    return (ad != null) ? ad.getDate() : null;
  }

  public Calendar getCalendar() {
    AtomDate ad = getValue();
    return (ad != null) ? ad.getCalendar() : null;
  }

  public long getTime() {
    AtomDate ad = getValue();
    return (ad != null) ? ad.getTime() : null;
  }

  public String getString() {
    AtomDate ad = getValue();
    return (ad != null) ? ad.getValue() : null;
  }

}