XMLDOMDownloader.java example

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itsnat_droid-master
package org.itsnat.droid.impl.browser;

import org.itsnat.droid.impl.dom.DOMAttrRemote;
import org.itsnat.droid.impl.dom.ParsedResource;
import org.itsnat.droid.impl.dom.ResourceDescRemote;
import org.itsnat.droid.impl.dom.XMLDOM;
import org.itsnat.droid.impl.dom.layout.XMLDOMLayoutPage;
import org.itsnat.droid.impl.domparser.XMLDOMParserContext;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * Created by jmarranz on 24/01/2016.
 */
public class XMLDOMDownloader
{
    protected final XMLDOM xmlDOM;
    protected final String pageURLBase;
    protected final HttpRequestData httpRequestData;
    protected final String itsNatServerVersion;
    protected final Map<String,ParsedResource> urlResDownloadedMap;
    protected final XMLDOMParserContext xmlDOMParserContext;

    public XMLDOMDownloader(XMLDOM xmlDOM,String pageURLBase, HttpRequestData httpRequestData, String itsNatServerVersion,Map<String,ParsedResource> urlResDownloadedMap,
                    XMLDOMParserContext xmlDOMParserContext)
    {
        this.xmlDOM = xmlDOM;
        this.pageURLBase = pageURLBase;
        this.httpRequestData = httpRequestData;
        this.itsNatServerVersion = itsNatServerVersion;
        this.urlResDownloadedMap = urlResDownloadedMap;
        this.xmlDOMParserContext = xmlDOMParserContext;
    }

    public static XMLDOMDownloader createXMLDOMDownloader(XMLDOM xmlDOM,String pageURLBase, HttpRequestData httpRequestData, String itsNatServerVersion,
                                Map<String,ParsedResource> urlResDownloadedMap,XMLDOMParserContext xmlDOMParserContext)
    {
        if (xmlDOM instanceof XMLDOMLayoutPage)
            return XMLDOMLayoutPageDownloader.createXMLDOMLayoutPageDownloader((XMLDOMLayoutPage)xmlDOM,pageURLBase,httpRequestData,itsNatServerVersion,urlResDownloadedMap,xmlDOMParserContext);
        else
            return new XMLDOMDownloaderOther(xmlDOM,pageURLBase,httpRequestData,itsNatServerVersion,urlResDownloadedMap,xmlDOMParserContext);
    }

    public void downloadRemoteResources() throws Exception
    {
        List<DOMAttrRemote> attrRemoteList = xmlDOM.getDOMAttrRemoteList();
        downloadRemoteAttrResources(attrRemoteList);
    }

    public void downloadRemoteAttrResources(List<DOMAttrRemote> attrRemoteList) throws Exception
    {
        if (attrRemoteList != null)
        {
            List<ResourceDescRemote> resDescRemoteList = new ArrayList<ResourceDescRemote>();
            for(DOMAttrRemote attr : attrRemoteList)
            {
                resDescRemoteList.add(attr.getResourceDescRemote());
            }
            downloadRemoteResources(resDescRemoteList);
        }
    }

    protected void downloadRemoteResources(List<ResourceDescRemote> resDescRemoteList) throws Exception
    {
        // llena los elementos de DOMAttrRemote attrRemoteList con el recurso descargado que le corresponde

        HttpResourceDownloader resDownloader = new HttpResourceDownloader(pageURLBase, httpRequestData,itsNatServerVersion,urlResDownloadedMap,xmlDOMParserContext);
        resDownloader.downloadResources(resDescRemoteList);
    }

}