/*
* Copyright 2013 cruxframework.org.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.cruxframework.crux.core.rebind.screen;
import org.apache.commons.lang.StringUtils;
import org.cruxframework.crux.core.rebind.module.Module;
import org.cruxframework.crux.core.rebind.module.Modules;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* @author Thiago da Rosa de Bustamante
*
*/
public class OfflineScreenFactory
{
private static OfflineScreenFactory instance = new OfflineScreenFactory();
/**
* Singleton Constructor
*/
private OfflineScreenFactory()
{
}
/**
* Singleton method
* @return
*/
public static OfflineScreenFactory getInstance()
{
return instance;
}
public OfflineScreen getOfflineScreen(String id, Document screen) throws ScreenConfigException
{
Element screenElement = screen.getDocumentElement();
String moduleName = screenElement.getAttribute("moduleName");
String screenId = screenElement.getAttribute("screenId");
Module mod = Modules.getInstance().getModule(moduleName);
if (mod == null)
{
throw new ScreenConfigException("No module declared on screen ["+id+"].");
}
String relativeScreenId = Modules.getInstance().getRelativeScreenId(mod, id).replace(".offline.xml", ".html");
OfflineScreen result = new OfflineScreen(relativeScreenId, moduleName, screenId);
NodeList nodes = screenElement.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++)
{
Node item = nodes.item(i);
if (item instanceof Element)
{
String nodeName = item.getNodeName();
if(!StringUtils.isEmpty(nodeName))
{
if (nodeName.equals("includes"))
{
processIncludes(result, item);
}
else if (nodeName.equals("excludes"))
{
processExcludes(result, item);
}
}
}
}
return result;
}
private void processExcludes(OfflineScreen result, Node item)
{
NodeList children = item.getChildNodes();
for (int i = 0; i < children.getLength(); i++)
{
Node child = children.item(i);
if (child instanceof Element)
{
String exclude = ((Element) child).getAttribute("path");
result.addExclude(exclude);
}
}
}
private void processIncludes(OfflineScreen result, Node item)
{
NodeList children = item.getChildNodes();
for (int i = 0; i < children.getLength(); i++)
{
Node child = children.item(i);
if (child instanceof Element)
{
String include = ((Element) child).getAttribute("path");
result.addInclude(include);
}
}
}
}