001/*
002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Thierry Delprat <tdelprat@nuxeo.com>
018 */
019package org.nuxeo.automation.scripting.internals;
020
021import java.util.ArrayList;
022import java.util.HashMap;
023import java.util.List;
024import java.util.Map;
025
026import jdk.nashorn.api.scripting.ScriptObjectMirror;
027
028/**
029 * @since 7.2
030 */
031public class MarshalingHelper {
032
033    @SuppressWarnings("unchecked")
034    public static Map<String, Object> unwrapMap(ScriptObjectMirror jso) {
035        if (jso.isArray()) {
036            throw new UnsupportedOperationException("JavaScript input is an Array!");
037        }
038        return (Map<String, Object>) unwrap(jso);
039    }
040
041    public static Object unwrap(ScriptObjectMirror jso) {
042        if (jso.isArray()) {
043            List<Object> l = new ArrayList<>();
044            for (Object o : jso.values()) {
045                if (o instanceof ScriptObjectMirror) {
046                    l.add(unwrap((ScriptObjectMirror) o));
047                } else {
048                    l.add(o);
049                }
050            }
051            return l;
052        } else {
053            Map<String, Object> result = new HashMap<>();
054            for (String k : jso.keySet()) {
055                Object o = jso.get(k);
056                if (o instanceof ScriptObjectMirror) {
057                    result.put(k, unwrap((ScriptObjectMirror) o));
058                } else {
059                    result.put(k, o);
060                }
061            }
062            return result;
063        }
064    }
065
066    public static Object wrap(Map<String, Object> map) {
067        return ScriptObjectMirror.wrap(map, null);
068    }
069
070}