/*
* org.openmicroscopy.shoola.env.config.MapEntry
*
*------------------------------------------------------------------------------
* Copyright (C) 2006 University of Dundee. 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 java.util.HashMap;
import java.util.Map;
// Third-party libraries
import org.w3c.dom.DOMException;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
//Application-internal dependencies
/**
* Handles a <i>structuredEntry</i> of type <i>map</i>.
* Each tag within this entry defines a name-value pair, the name being the
* tag's name and the value the tag's content. These name-value pairs are
* stored into a {@link Map} (keyed by names), 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>
* @author <br>Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">
* a.falconi@dundee.ac.uk</a>
* @version 2.2
* <small>
* (<b>Internal version:</b> $Revision$ $Date$)
* </small>
* @since OME2.2
*/
class MapEntry
extends Entry
{
/**
* The contents of the entry.
* The name of each contained tag is a key in the map and the tag's value
* is the value associated to that key in the map.
*/
private Map<String, String> nameValuePairs;
/** Creates a new instance. */
MapEntry()
{
nameValuePairs = new HashMap<String, String>();
}
/**
* 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
{
try {
if (node.hasChildNodes()) {
NodeList childList = node.getChildNodes();
Node child;
for (int i = 0; i < childList.getLength(); i++) {
child = childList.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE)
nameValuePairs.put(child.getNodeName(),
child.getFirstChild().getNodeValue());
}
}
} catch (DOMException dex) {
rethrow("Can't parse map entry, name: "+getName()+".", dex);
}
}
/**
* Returns a map whose keys are the names of each tag within this
* <i>structuredEntry</i> and values are the corresponding tag values.
*
* @return See above.
*/
Object getValue() { return nameValuePairs; }
}