CODEWITHSUNDEEP
javaannotationshashmapxml-serializationxstream
mspasiuk
mspasiuk

Reputation: 632

XStream with HashMap<String,String>

Anyone could tell me how to Serialize a HashMap with XStream?

private HashMap<String,String> attributes;
attributes = new HashMap<String,String>();
attributes.put("Description","Value");
attributes.put("Description2","Value2");
attributes.put("Description3","Value3");

My xml looks like

<attributes>
       <entry>
           <string>Description</string>
           <string>value</string>
       </entry>
       <entry>
           <string>Description2</string>
           <string>Value2</string>
       </entry>
       <entry>
           <string>Description3</string>
           <string>Value3</string>
       </entry>
    </attributes>

I want an output like

<attributes>
    <attr>
        <description>Description</description>
        <value>Value</value>
    </attr>
    <attr>
        <description>Description2</description>
        <value>Value2</value>
    </attr>
    <attr>
        <description>Description3</description>
        <value>Value</value>
    </attr>
</attributes>

how can achieve that using XStream? Is possible with annotations?

Upvotes: 4

Views: 4579

Answers (1)

pablosaraiva
pablosaraiva

Reputation: 2343

If you are using XStream 1.4.5, you have the NamedMapConverter to do what you want.

Just register the converter showing how you want to marshal your map as the example bellow:

XStream xstream = new XStream();
NamedMapConverter namedMapConverter = new NamedMapConverter(xstream.getMapper(),"attr","description",String.class,"value",String.class);
xstream.registerConverter(namedMapConverter);

Upvotes: 7

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