nextapp.echo.app.serial.SerialPeerFactory 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;
import java.util.HashMap;
import java.util.Map;
import nextapp.echo.app.util.PeerFactory;
/**
* Factory for obtaining XML serial peer implementations for specific property classes.
*/
public class SerialPeerFactory
implements PropertyPeerFactory {
private static final String RESOURCE_NAME = "META-INF/nextapp/echo/SerialPeers.properties";
private PeerFactory peerFactory;
/**
* Map of ClassLoaders to SerialPeerFactorys.
*/
private static final Map classLoaderToFactoryMap = new HashMap();
/**
* Creates or retrieves a SerialPeerFactory.
*
* @param classLoader the ClassLoader to use for
* dynamically loading peer classes
* @return the SerialPeerFactory
*/
public static SerialPeerFactory forClassLoader(ClassLoader classLoader) {
synchronized(classLoaderToFactoryMap) {
SerialPeerFactory factory = (SerialPeerFactory) classLoaderToFactoryMap.get(classLoader);
if (factory == null) {
factory = new SerialPeerFactory(classLoader);
classLoaderToFactoryMap.put(classLoader, factory);
}
return factory;
}
}
/**
* Creates a new SerialPeerFactory.
*
* @param classLoader the class loader to use for instantiation
*/
private SerialPeerFactory(ClassLoader classLoader) {
super();
peerFactory = new PeerFactory(RESOURCE_NAME, classLoader);
}
/**
* Retrieves the appropriate XmlPropertyPeer for a given
* property class.
*
* @param propertyClass the property class
* @return the appropriate XmlPropertyPeer
*/
public SerialPropertyPeer getPeerForProperty(Class propertyClass) {
return (SerialPropertyPeer) peerFactory.getPeerForObject(propertyClass, true);
}
}