/*
* org.openmicroscopy.shoola.env.config.LongEntry
*
*------------------------------------------------------------------------------
* Copyright (C) 2013 University of Dundee & Open Microscopy Environment.
* All rights reserved.
*
*
* This program 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 2 of the License, or
* (at your option) any later version.
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.env.config;
//Java imports
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
//Third-party libraries
//Application-internal dependencies
/**
* Handles an <i>entry</i> of type <i>long</i>.
* The tag's value is stored into a {@link Long} object which is then
* returned by the {@link #getValue() getValue} method.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @since 4.4
*/
class LongEntry
extends Entry
{
/** The entry value. */
private Long value;
/** Creates a new instance. */
LongEntry() {}
/**
* Implemented as specified by {@link Entry}.
* @see Entry#setContent(Node)
* @throws ConfigException If the configuration entry couldn't be handled.
*/
protected void setContent(Node node)
throws ConfigException
{
String cfgVal = null;
try {
cfgVal = node.getFirstChild().getNodeValue();
value = new Long(cfgVal);
} catch (DOMException dex) {
rethrow("Can't parse long entry, name: "+getName()+".", dex);
} catch (NumberFormatException nfe) {
rethrow(cfgVal+" is not a valid long, entry name: "+
getName()+".", nfe);
}
}
/**
* Returns a {@link Long} object which represents the tag's content.
* The double value wrapped by the returned object will be parsed as
* specified by the {@link Long} class.
*
* @return See above.
*/
Object getValue() { return value; }
}