/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the 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.
*
* Structr 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.websocket.command;
import java.util.Map;
import org.structr.core.entity.AbstractNode;
import org.structr.web.entity.dom.DOMNode;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.message.MessageBuilder;
import org.structr.websocket.message.WebSocketMessage;
/**
*
*
*/
public class AppendChildCommand extends AbstractCommand {
static {
StructrWebSocket.addCommand(AppendChildCommand.class);
}
@Override
public void processMessage(final WebSocketMessage webSocketData) {
String id = webSocketData.getId();
Map<String, Object> nodeData = webSocketData.getNodeData();
String parentId = (String) nodeData.get("parentId");
// check node to append
if (id == null) {
getWebSocket().send(MessageBuilder.status().code(422).message("Cannot append node, no id is given").build(), true);
return;
}
// check for parent ID
if (parentId == null) {
getWebSocket().send(MessageBuilder.status().code(422).message("Cannot add node without parentId").build(), true);
return;
}
// check if parent node with given ID exists
AbstractNode parentNode = getNode(parentId);
if (parentNode == null) {
getWebSocket().send(MessageBuilder.status().code(404).message("Parent node not found").build(), true);
return;
}
if (parentNode instanceof DOMNode) {
DOMNode parentDOMNode = getDOMNode(parentId);
if (parentDOMNode == null) {
getWebSocket().send(MessageBuilder.status().code(422).message("Parent node is no DOM node").build(), true);
return;
}
DOMNode node = (DOMNode) getDOMNode(id);
// append node to parent
if (node != null) {
parentDOMNode.appendChild(node);
}
} else {
// send exception
getWebSocket().send(MessageBuilder.status().code(422).message("Cannot use given node, not instance of DOMNode").build(), true);
}
}
@Override
public String getCommand() {
return "APPEND_CHILD";
}
}