|| || || || || || || ||

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XmlVideoList.h

Go to the documentation of this file.

#ifndef Impala_Core_IDash_XmlVideoList_h
#define Impala_Core_IDash_XmlVideoList_h

#include "Util/XmlDoc.h"
#include "Persistency/XmlFileReader.h"
#include "Link/Curl/CurlFuncs.h"
#include "Core/IDash/Href.h"

namespace Impala
{
namespace Core
{
namespace IDash
{


class XmlVideoList : public Util::XmlDoc
{
public:

    XmlVideoList(String href) : mHref(href)
    {
        Link::Curl::Memory mem = Link::Curl::Get(href);
        Util::IOBuffer ioBuf(mem.size, (unsigned char*) mem.data);
        ReadData(href, &ioBuf);
    }

    virtual
    ~XmlVideoList()
    {
    }

    bool
    Valid() const
    {
        return mValid;
    }

    int
    GetNrVideos() const
    {
        return mVideos.size();
    }

    String
    GetVideo(int i) const
    {
        return mVideos[i];
    }

    std::vector<String>
    GetVideos() const
    {
        return mVideos;
    }

private:

    /* sample file:

<?xml version="1.0" encoding="utf-8"?>
<videos xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.i-dash.eu/MetaData">
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/17" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/18" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/19" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/20" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/21" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/22" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/23" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/24" entityType="Video" />
  <video xlink:type="simple" xlink:href="http://146.50.22.23:7878/services/vds/cases/16/videos/25" entityType="Video" />
</videos>

    */

    void
    ReadData(String docName, Util::IOBuffer* ioBuf)
    {
        mValid = false;
        Persistency::XmlFileReader reader;
        DOMDocument* doc = reader.Read(docName, ioBuf);
        if (!doc)
            return;
        DOMNode* videos = GetChildNode(doc, "videos", true);

        std::vector<DOMNode*> vidNodes = GetChildNodes(videos, "video");
        ILOG_DEBUG("nr videos = " << vidNodes.size());
        for (int i=0 ; i<vidNodes.size() ; i++)
        {
            String href = GetAttributeValue(vidNodes[i], "xlink:href");
            if (!href.empty())
                mVideos.push_back(href);
        }
        mValid = true;
    }

    // data

    Href                mHref;
    std::vector<String> mVideos;
    bool                mValid;

    ILOG_VAR_DEC;

};

ILOG_VAR_INIT(XmlVideoList, Impala.Core.IDash);

} // namespace IDash
} // namespace Core
} // namespace Impala

#endif

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