Package org.structr.websocket.command

Source Code of org.structr.websocket.command.CreateCommand

/**
* Copyright (C) 2010-2014 Morgner UG (haftungsbeschränkt)
*
* 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 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 java.util.logging.Level;
import java.util.logging.Logger;
import org.structr.common.SecurityContext;
import org.structr.common.error.FrameworkException;
import org.structr.core.app.App;
import org.structr.core.app.StructrApp;
import org.structr.core.entity.AbstractNode;
import org.structr.core.graph.NodeInterface;
import org.structr.core.property.PropertyMap;
import org.structr.dynamic.File;
import org.structr.schema.SchemaHelper;
import org.structr.web.entity.FileBase;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.message.MessageBuilder;
import org.structr.websocket.message.WebSocketMessage;

//~--- classes ----------------------------------------------------------------

/**
*
* @author Christian Morgner
*/
public class CreateCommand extends AbstractCommand {

  private static final Logger logger = Logger.getLogger(CreateCommand.class.getName());

  static {

    StructrWebSocket.addCommand(CreateCommand.class);

  }

  //~--- methods --------------------------------------------------------

  @Override
  public void processMessage(final WebSocketMessage webSocketData) {

    final SecurityContext securityContext = getWebSocket().getSecurityContext();
    final App app = StructrApp.getInstance(securityContext);

    Map<String, Object> nodeData = webSocketData.getNodeData();

    try {

      final PropertyMap properties  = PropertyMap.inputTypeToJavaType(securityContext, nodeData);
      Class type      = SchemaHelper.getEntityClassForRawType(properties.get(AbstractNode.type));
      final NodeInterface newNode  = app.create(type, properties);

      // check for File node and store in WebSocket to receive chunks
      if (newNode instanceof FileBase) {

        Long size    = (Long) webSocketData.getNodeData().get("size");
        String contentType  = (String) webSocketData.getNodeData().get("contentType");
        String name    = (String) webSocketData.getNodeData().get("name");

        FileBase fileNode = (FileBase) newNode;

        fileNode.setProperty(File.size, size != null ? size : 0L);
        fileNode.setProperty(File.contentType, contentType);
        fileNode.setProperty(AbstractNode.name, name);

        getWebSocket().createFileUploadHandler(fileNode);

      }


    } catch (FrameworkException fex) {

      logger.log(Level.WARNING, "Could not create node.", fex);
      getWebSocket().send(MessageBuilder.status().code(fex.getStatus()).message(fex.getMessage()).build(), true);

    }
  }

  //~--- get methods ----------------------------------------------------

  @Override
  public String getCommand() {
    return "CREATE";
  }
}
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