Correct way to parse XML using Simple Framework

Question

I'm using Simple framework to deserialize an xml on my android app .

The issue is on a portion of the xml because I can get the objects of the other portions of it .

Here is the part of the xml that I struggle with :

<webtv name="channelname" date="2014-10-31"> <config> <pathVideo extension="mp4">http://vodflash.channelname.com/tv_conn/1/country/</pathVideo> <pathBigImage extension="jpg">http://vodflash.channelname.com/tv_conn/1/country/pic/320x180/</pathBigImage> <pathImage extension="jpg">http://vodflash.channelname.com/tv_conn/1/country/pic/160x90/</pathImage> <pays>GB;IE</pays> </config>

Here is my XmlMapper class :

@Root(name="webtv", strict = false) public class XmlModelMapper { public ConfigObject getConfigObjects() { return configObject; } @Element(name="config") public ConfigObject configObject = new ConfigObject(); @ElementList(name = "itemList") private List<Videos> itemList = new ArrayList<Videos>(); public List<Videos> getItemList() { return itemList; } @ElementList(name = "chaineList") private List<Chaine> chaineList = new ArrayList<Chaine>(); public List<Chaine> getChaineList() { return chaineList; } }

If I change my mapper class to this :

@Root(name="webtv", strict = false) public class XmlModelMapper { public List<ConfigObject> getConfigObjects() { return configObject; } //change is here using a list not an object @ElementList(name="config") public List<ConfigObject> configObjects = new ArrayList<ConfigObject>(); @ElementList(name = "itemList") private List<Videos> itemList = new ArrayList<Videos>(); public List<Videos> getItemList() { return itemList; } @ElementList(name = "chaineList") private List<Chaine> chaineList = new ArrayList<Chaine>(); public List<Chaine> getChaineList() { return chaineList; } }

and the log the size of the List I get 4 which is correct , but how to get each object in a distinct way including the extension (attribute)

Please help me solving this issue .

Thanks

You should highlight the difference between versions :-D Used a diff to actual see it. — ollo
– ollo, Commented Nov 5, 2014 at 19:55

ollo · Accepted Answer · 2014-11-05 19:54:08Z

@ElementList(name="config") public List<ConfigObject> configObjects = new ArrayList<ConfigObject>();

This wont match with your xml listed above. While the @Element-based solution (example 1) will create a proper config-tag, the list adds another "list-tag"; here's an example:

<config> <!-- This is the list's tag, wrapping all elements --> <config> <!-- This is the actual element's tag --> <pathVideo extension="mp4">http://video.com</pathVideo> <pathBigImage extension="jpg">http://bigimg.com</pathBigImage> <pathImage extension="jpg">http://image.com</pathImage> <pays>GB;IE</pays> </config> <!-- some more <config>...</config> --> </config>

The solution: Use athe inline list - those don't have the "list-tag".

@ElementList(name = "config", inline = true, entry = "config") public List<ConfigObject> configObjects = new ArrayList<>();

For the sake of completeness, here are my classes used for testing:

class Chaine { /* empty - enough for testing */ } class Videos { /* empty - enough for testing */ } @Root public class ConfigObject { @Element(name = "pathVideo") private PathConfig video; @Element(name = "pathBigImage") private PathConfig bigImage; @Element(name = "pathImage") private PathConfig image; @Element(name = "pays") private String pays; // ... } @Root public class PathConfig { @Attribute(name = "extension") private String extension; @Text private String path; // ... }

Thanks oLLo for your answer , I did manage to solve the issue yesterday , I'll post my code below , but I think yours is better thus mark it as correct answer.

moujib · Accepted Answer · 2014-11-05 23:42:46Z

Solved my issue and learned alot about simple framework which is great and light weight , but I prefer ollo's answer Please discard ormlite annotations My classes :

@Root(name="webtv", strict = false) public class XmlModelMapper { public ConfigObject getConfigObject() { return configObject; } @Element(name="config") public ConfigObject configObject = new ConfigObject(); //rest of the elements ... }

and

@Root(name = "config" , strict = false) public class ConfigObject { @Element PathVideo pathVideo; @Element PathImage pathImage; @Element PathBigImage pathBigImage ; //rest of the elements }

and

@Root(name = "pathImage") @DatabaseTable(tableName = "imageconfig") public class PathImage { @DatabaseField(generatedId = true) Integer id ; @Attribute @DatabaseField String extension; @Text @DatabaseField String pathImage; //rest of the elements... }

and

@Root(name = "pathVideo") @DatabaseTable(tableName = "videoconfig") public class PathVideo { @DatabaseField(generatedId = true) Integer id ; @Attribute @DatabaseField String extension; @Text @DatabaseField String pathVideo; }

and finally

@Root(name = "pathBigImage") @DatabaseTable(tableName = "bigimageconfig") public class PathBigImage { @DatabaseField(generatedId = true) Integer id ; @Attribute @DatabaseField String extension; @Text @DatabaseField String pathBigImage; //rest of the elements... }

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