Package org.structr.websocket.command

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

/**
* 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 org.structr.cloud.CloudService;
import org.structr.cloud.WebsocketProgressListener;
import org.structr.cloud.transmission.PushTransmission;
import org.structr.common.error.FrameworkException;
import org.structr.core.app.App;
import org.structr.core.app.StructrApp;
import org.structr.core.entity.SchemaNode;
import org.structr.core.entity.relationship.SchemaRelationship;
import org.structr.core.graph.Tx;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.message.MessageBuilder;
import org.structr.websocket.message.WebSocketMessage;

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

/**
*
* @author Axel Morgner
*/
public class PushSchemaCommand extends AbstractCommand {

  static {

    StructrWebSocket.addCommand(PushSchemaCommand.class);
  }

  @Override
  public void processMessage(WebSocketMessage webSocketData) {

    final Map<String, Object> properties = webSocketData.getNodeData();
    final String username                = (String)properties.get("username");
    final String password                = (String)properties.get("password");
    final String host                    = (String)properties.get("host");
    final Long port                      = (Long)properties.get("port");
    final String key                     = (String)properties.get("key");

    if (host != null && port != null && username != null && password != null && key != null) {

      final App app    = StructrApp.getInstance();
      try (final Tx tx = app.tx()) {

        // create push transmission to be filled later
        final PushTransmission tms = new PushTransmission(username, password, host, port.intValue());

        for (final SchemaNode node : app.nodeQuery(SchemaNode.class).getAsList()) {

          if (isFalseOrNull(node.getProperty(SchemaNode.isBuiltinType))) {
            tms.getExportSet().add(node);
          }
        }

        for (final SchemaRelationship rel : app.relationshipQuery(SchemaRelationship.class).getAsList()) {
          tms.getExportSet().add(rel);
        }

        // push schema
        CloudService.doRemote(tms, new WebsocketProgressListener(getWebSocket(), key));

        tx.success();

      } catch (FrameworkException fex) {

        getWebSocket().send(MessageBuilder.status().code(400).message(fex.getMessage()).build(), true);
      }

    } else {

      getWebSocket().send(MessageBuilder.status().code(400).message("The PUSH_SCHEMA command needs username, password, host, port and key!").build(), true);
    }

  }

  public boolean isFalseOrNull(final Boolean value) {
    return value == null || !value;
  }


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