oglimmer/lunchy

package de.oglimmer.lunchy.rest;

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

import javax.xml.bind.annotation.XmlTransient;
import javax.xml.bind.annotation.XmlValue;
import javax.xml.bind.annotation.adapters.XmlAdapter;

import org.eclipse.persistence.oxm.annotations.XmlVariableNode;

public class MapAdapterStringBoolean extends XmlAdapter<MapAdapterStringBoolean.AdaptedMap, Map<String, Boolean>> {

    public static class AdaptedMap {
        @XmlVariableNode("key")
        List<AdaptedEntry> entries = new ArrayList<AdaptedEntry>();
    }

    public static class AdaptedEntry {
        @XmlTransient
        public String key;
        @XmlValue
        public Boolean value;
    }

    @Override
    public AdaptedMap marshal(Map<String, Boolean> map) throws Exception {
        AdaptedMap adaptedMap = new AdaptedMap();
        for (Entry<String, Boolean> entry : map.entrySet()) {
            AdaptedEntry adaptedEntry = new AdaptedEntry();
            adaptedEntry.key = entry.getKey();
            adaptedEntry.value = entry.getValue();
            adaptedMap.entries.add(adaptedEntry);
        }
        return adaptedMap;
    }

    @Override
    public Map<String, Boolean> unmarshal(AdaptedMap adaptedMap) throws Exception {
        List<AdaptedEntry> adaptedEntries = adaptedMap.entries;
        Map<String, Boolean> map = new HashMap<>(adaptedEntries.size());
        for (AdaptedEntry adaptedEntry : adaptedEntries) {
            map.put(adaptedEntry.key, adaptedEntry.value);
        }
        return map;
    }

}