public static void toJSON(ConfigurationAdmin admin, Writer osw, String filter) throws Exception {
Configuration[] list = admin.listConfigurations(filter);
Encoder encoder = codec.enc().to(osw);
Protocol p = new Protocol();
p.version = 1;
p.date = new Date();
p.size = list.length;
encoder.put(p).append('\n');
if (list != null)
for (Configuration c : list) {
Dictionary<String, Object> d = c.getProperties();
Export export = new Export();
export.values = new HashMap<String, Object>();
export.factoryPid = c.getFactoryPid();
export.pid = c.getPid();
for (Enumeration<String> e = d.keys(); e.hasMoreElements(); ) {
String k = e.nextElement();
Object v = d.get(k);
if (!(v instanceof String)) {
if (export.types == null) export.types = new HashMap<String, Type>();
Type type = new Type();
Class<?> clazz = v.getClass();
if (v instanceof Collection) {
Collection<?> coll = (Collection<?>) v;
clazz = String.class;
if (coll.size() > 0) type.vectorOf = shortName(coll.iterator().next().getClass());
else type.vectorOf = shortName(String.class);
} else if (v.getClass().isArray()) {
type.arrayOf = shortName(clazz.getComponentType());
} else type.scalar = shortName(v.getClass());
export.types.put(k, type);
}
export.values.put(k, v);
}
encoder.mark().put(export);
// encoder.put(encoder.digest());
encoder.append('\n');
}
osw.flush();
}
private static Dictionary<String, Object> getDictionary(
Map<String, Type> types, Map<String, Object> values) throws Exception {
Hashtable<String, Object> ht = new Hashtable<String, Object>();
for (Map.Entry<String, Object> e : values.entrySet()) {
String key = e.getKey();
Object value = e.getValue();
Type type;
if (types != null && (type = types.get(key)) != null) {
if (type.scalar != null) {
value = convert(value, type.scalar);
} else if (type.vectorOf != null) {
Collection<Object> coll = (Collection<Object>) value;
Vector vector = new Vector();
for (Object o : coll) {
vector.add(convert(o, type.vectorOf));
}
value = vector;
} else if (type.arrayOf != null) {
if (value instanceof String && type.arrayOf.equals("byte")) {
value = Base64.decodeBase64((String) value);
} else {
Collection<Object> coll = (Collection<Object>) value;
Object array = Array.newInstance(getClass(type.arrayOf), coll.size());
int n = 0;
for (Object o : coll) {
Array.set(array, n++, convert(o, type.arrayOf));
}
value = array;
}
} else {
throw new IllegalArgumentException(
"Key " + key + " has type but neither scalar, vectorOf, nor arrayOf is set");
}
}
ht.put(key, value);
}
return ht;
}