DrawableUtils.java

package com.BeeFramework.theme;

import android.content.res.XmlResourceParser;
import android.util.AttributeSet;
import android.util.Xml;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import java.io.IOException;

/*
 *	 ______    ______    ______
 *	/\  __ \  /\  ___\  /\  ___\
 *	\ \  __<  \ \  __\_ \ \  __\_
 *	 \ \_____\ \ \_____\ \ \_____\
 *	  \/_____/  \/_____/  \/_____/
 *
 *
 *	Copyright (c) 2013-2014, {Bee} open source community
 *	http://www.bee-framework.com
 *
 *
 *	Permission is hereby granted, free of charge, to any person obtaining a
 *	copy of this software and associated documentation files (the "Software"),
 *	to deal in the Software without restriction, including without limitation
 *	the rights to use, copy, modify, merge, publish, distribute, sublicense,
 *	and/or sell copies of the Software, and to permit persons to whom the
 *	Software is furnished to do so, subject to the following conditions:
 *
 *	The above copyright notice and this permission notice shall be included in
 *	all copies or substantial portions of the Software.
 *
 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 *	IN THE SOFTWARE.
 */
public class DrawableUtils
{
    /**
     * Retrieve an AttributeSet from a XML.
     *
     * @param parser the XmlPullParser to use for the xml parsing.
     * @param searchedNodeName the name of the target node.
     * @return the AttributeSet retrieved from specified node.
     * @throws IOException
     * @throws XmlPullParserException
     */
    public static AttributeSet getAttributeSet(XmlResourceParser parser, String searchedNodeName)
            throws XmlPullParserException, IOException {
        AttributeSet attrs = null;
        int type;

        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && type != XmlPullParser.START_TAG)
        {
        }

        String nodeName = parser.getName();

        if (!"alias".equals(nodeName))
        {
            throw new RuntimeException();
        }

        int outerDepth = parser.getDepth();
        while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth))
        {
            if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                continue;
            }
            nodeName = parser.getName();
            if (searchedNodeName.equals(nodeName))
            {
                outerDepth = parser.getDepth();
                while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
                        && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth))
                {
                    if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
                        continue;
                    }
                    nodeName = parser.getName();
                    attrs = Xml.asAttributeSet(parser);
                    break;
                }
                break;
            }
            else
            {
                DrawableUtils.skipCurrentTag(parser);
            }
        }
        return attrs;
    }

    public static void skipCurrentTag(XmlPullParser parser)
            throws XmlPullParserException, IOException {
        int outerDepth = parser.getDepth();
        int type;
        while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
                && (type != XmlPullParser.END_TAG
                || parser.getDepth() > outerDepth)) {
        }
    }

}