/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.web.jersey.util;
import java.util.Map;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.JsonNodeFactory;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.smallmind.nutsnbolts.util.IterableIterator;
public abstract class SimpleMapXmlAdapter<M extends Map<String, V>, V> extends XmlAdapter<JsonNode, M> {
public abstract M getEmptyMap ();
public abstract Class<V> getValueClass ();
@Override
public M unmarshal (JsonNode node) {
if (node != null) {
M map = getEmptyMap();
for (Map.Entry<String, JsonNode> entry : new IterableIterator<>(node.fields())) {
map.put(entry.getKey(), JsonCodec.convert(entry.getValue(), getValueClass()));
}
return map;
}
return null;
}
@Override
public JsonNode marshal (M map) throws Exception {
if (map != null) {
ObjectNode rootNode = JsonNodeFactory.instance.objectNode();
for (Map.Entry<String, V> entry : map.entrySet()) {
rootNode.set(entry.getKey(), JsonCodec.writeAsJsonNode(entry.getValue()));
}
return rootNode;
}
return null;
}
}