nextapp.echo.app.serial.property.MapPeer Maven / Gradle / Ivy
/*
* This file is part of the Echo Web Application Framework (hereinafter "Echo").
* Copyright (C) 2002-2009 NextApp, Inc.
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*/
package nextapp.echo.app.serial.property;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import nextapp.echo.app.serial.PropertyPeerFactory;
import nextapp.echo.app.serial.SerialContext;
import nextapp.echo.app.serial.SerialException;
import nextapp.echo.app.serial.SerialPropertyPeer;
import nextapp.echo.app.serial.Serializer;
import nextapp.echo.app.util.Context;
/**
* SerialPropertyPeer for Map properties.
*/
public class MapPeer
implements SerialPropertyPeer {
/**
* @see nextapp.echo.app.serial.SerialPropertyPeer#toProperty(nextapp.echo.app.util.Context,
* java.lang.Class, org.w3c.dom.Element)
*/
public Object toProperty(Context context, Class objectClass, Element propertyElement)
throws SerialException {
SerialContext serialContext = (SerialContext) context.get(SerialContext.class);
Serializer serializer = Serializer.forClassLoader(serialContext.getClassLoader());
Map map = new HashMap();
Node childNode = propertyElement.getFirstChild();
while (childNode != null) {
if (childNode instanceof Element && "p".equals(childNode.getNodeName())) {
Element childPropertyElement = (Element) childNode;
SerialPropertyPeer peer = serializer.getSerialPropertyPeer(childPropertyElement);
if (peer != null) {
String name = childPropertyElement.getAttribute("n");
Object value = peer.toProperty(context, null, childPropertyElement);
map.put(name, value);
}
}
childNode = childNode.getNextSibling();
}
return map;
}
/**
* @see nextapp.echo.app.serial.SerialPropertyPeer#toXml(nextapp.echo.app.util.Context,
* java.lang.Class, org.w3c.dom.Element, java.lang.Object)
*/
public void toXml(Context context, Class objectClass, Element propertyElement, Object propertyValue)
throws SerialException {
SerialContext serialContext = (SerialContext) context.get(SerialContext.class);
PropertyPeerFactory propertyPeerFactory = (PropertyPeerFactory) context.get(PropertyPeerFactory.class);
propertyElement.setAttribute("t", "m");
Map map = (Map) propertyValue;
Iterator keyIt = map.keySet().iterator();
while (keyIt.hasNext()) {
String key = keyIt.next().toString();
Object value = map.get(key);
if (value == null) {
continue;
}
Class propertyClass = value.getClass();
SerialPropertyPeer peer = propertyPeerFactory.getPeerForProperty(propertyClass);
Element element = serialContext.getDocument().createElement("p");
element.setAttribute("n", key);
peer.toXml(context, propertyClass, element, value);
propertyElement.appendChild(element);
}
}
}