/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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 com.motorolamobility.preflighting.core.applicationdata;
import java.util.ArrayList;
import java.util.List;
/**
* Utility class to search for {@link Element} inside an Android project.
*/
public class ElementUtils
{
/***
* Returns a list of application elements for a specific type.
*
* @param rootElement the root node of the Android project tree.
* @param type used to filter the Elements that will be returned. (e.g.: {@link Element.Type#FILE_JAVA}, {@link Element.Type#FILE_LAYOUT} or {@link Element.Type#FILE_DRAWABLE}
* @return the list of {@link Element} inside Android project that have the type specified.
*/
public static List<Element> getElementByType(Element rootElement, Element.Type type)
{
List<Element> resultList = new ArrayList<Element>();
for (Element element : rootElement.getChildren())
{
if (element.getType() == type)
{
resultList.add(element);
}
else if (element instanceof FolderElement)
{
resultList.addAll(getElementByType(element, type));
}
}
return resultList;
}
/**
* Gets all XML elements that are children (either directly or indirectly) of the root element
* @param rootElement
* @return list of elements that are XML files (ending with .xml)
*/
public static List<XMLElement> getXMLElements(Element rootElement)
{
List<XMLElement> resultList = new ArrayList<XMLElement>();
if (rootElement != null)
{
for (Element element : rootElement.getChildren())
{
if ((element instanceof XMLElement) && (element.getFile() != null)
&& element.getFile().getName().endsWith(".xml"))
{
resultList.add((XMLElement) element);
}
else if (element instanceof FolderElement)
{
resultList.addAll(getXMLElements(element));
}
}
}
return resultList;
}
/**
* Cleans the given root Element recursively cleaning and removing all of its children.
* @param rootElement the root node to be clean.
*/
public static void clean(Element rootElement)
{
rootElement.clean();
}
}