ISO8601DateEditor.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2008-2011 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
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package org.opennms.web.rest;

import java.beans.PropertyEditorSupport;
import java.util.Date;

import org.joda.time.DateTimeZone;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.ISODateTimeFormat;

/**
 * PropertyEditor suitable for use by BeanWrapperImpl, so that we can accept xsd:datetime formatted dates
 * in query strings.
 * Also handles "epoch" style dates, if they exist.  Could be extended to guess the date format and do something
 * useful with it
 *
 * @author miskellc
 * @version $Id: $
 * @since 1.8.1
 */
public class ISO8601DateEditor extends PropertyEditorSupport {
    static final DateTimeFormatter m_formatter = ISODateTimeFormat.dateTime().withZone(DateTimeZone.UTC);
    
    /**
     * <p>Constructor for ISO8601DateEditor.</p>
     */
    public ISO8601DateEditor() {
        super();
        
    }
	/** {@inheritDoc} */
	@Override
	public String getAsText() {
		Date date=(Date)super.getValue();
		return m_formatter.print(date.getTime());
	}

	/** {@inheritDoc} */
	@Override
	public void setAsText(String text) throws IllegalArgumentException {
		Date date;
		try {
			int epoch=Integer.parseInt(text);
			date=new Date(epoch);
		} catch (NumberFormatException e) {
		    date = new Date(m_formatter.parseMillis(text));
		}
		super.setValue(date);
	}

	/**
	 * {@inheritDoc}
	 *
	 * No, we don't do GUIs.  Sod off
	 */
	@Override
	public boolean isPaintable() {
		return false;
	}

}