/*
* Copyright 2011 JBoss, by Red Hat, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.js.client.bus.marshall;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* @author Mike Brock
*/
public abstract class MsgTools {
public static JavaScriptObject mapToJSPrototype(Map<String, Object> partsMap) {
return unwrapMap(partsMap.keySet().toArray(new String[partsMap.size()]), partsMap);
}
public static Map<String, Object> jsObjToMap(Object o) {
return wrapMap(o);
}
private static native JavaScriptObject unwrapMap(String[] keys, Map<String, Object> partsMap) /*-{
var newProto = new Object();
for (var i = 0; i < keys.length; i++) {
newProto[keys[i]] = partsMap.@java.util.Map::get(Ljava/lang/Object;)(keys[i]);
}
return newProto;
}-*/;
@SuppressWarnings("GwtJavaFromJSMethodCalls")
private static native Map<String, Object> wrapMap(Object object) /*-{
var map = @java.util.HashMap::new()();
for (var item in object) {
var v = object[item];
if ($wnd.erraiTypeOf(v) == "array") {
if (object["^EncodedType"] == "[Ljava.lang.Object;") {
v = @org.jboss.errai.js.client.bus.marshall.MsgTools::objectMarshall(Ljava/lang/Object;)(v);
}
else {
v = @org.jboss.errai.js.client.bus.marshall.MsgTools::listMarshall([Ljava/lang/Object;)(v);
}
}
else if (!(typeof v == "string" || typeof v == "number" || typeof v == "object")) {
v = @org.jboss.errai.js.client.bus.marshall.MsgTools::wrapMap(Ljava/lang/Object;)(v);
}
map.@java.util.HashMap::put(Ljava/lang/Object;Ljava/lang/Object;)(item, v);
}
return map;
}-*/;
private static Object listMarshall(Object[] oArray) {
List<Object> list = new ArrayList<Object>();
for (Object o : oArray) {
if (o.getClass().isArray()) {
list.add(listMarshall((Object[]) o));
}
else {
list.add(o);
}
}
return list;
}
public static Object[] objectMarshall(Object o) {
JsArray oArray = (JsArray) o;
Object[] array = new Object[oArray.length()];
for (int i = 0; i < array.length; i++) {
array[i] = oArray.get(i);
}
return array;
}
}