org.structr.websocket.command.SearchCommand.java Source code

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Here is the source code for org.structr.websocket.command.SearchCommand.java

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/**
 * Copyright (C) 2010-2016 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 com.google.gson.Gson;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.lang3.StringUtils;
import org.structr.common.SecurityContext;
import org.structr.common.error.FrameworkException;
import org.structr.core.GraphObject;
import org.structr.core.Result;
import org.structr.core.app.Query;
import org.structr.core.app.StructrApp;
import org.structr.core.entity.AbstractNode;
import org.structr.core.property.PropertyKey;
import org.structr.schema.SchemaHelper;
import org.structr.web.common.RenderContext;
import org.structr.web.datasource.RestDataSource;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.message.MessageBuilder;
import org.structr.websocket.message.WebSocketMessage;

//~--- classes ----------------------------------------------------------------
/**
 *
 *
 */
public class SearchCommand extends AbstractCommand {

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

    static {

        StructrWebSocket.addCommand(SearchCommand.class);

    }

    @Override
    public void processMessage(WebSocketMessage webSocketData) {

        final SecurityContext securityContext = getWebSocket().getSecurityContext();
        final String searchString = (String) webSocketData.getNodeData().get("searchString");
        final String restQuery = (String) webSocketData.getNodeData().get("restQuery");
        final String cypherQuery = (String) webSocketData.getNodeData().get("cypherQuery");
        final String paramString = (String) webSocketData.getNodeData().get("cypherParams");
        final String typeString = (String) webSocketData.getNodeData().get("type");

        Class type = null;
        if (typeString != null) {
            type = SchemaHelper.getEntityClassForRawType(typeString);
        }

        if (searchString == null) {

            if (cypherQuery != null) {

                try {
                    Map<String, Object> obj = null;

                    if (StringUtils.isNoneBlank(paramString)) {

                        obj = new Gson().fromJson(paramString, Map.class);

                    }

                    final List<GraphObject> result = StructrApp.getInstance(securityContext).cypher(cypherQuery,
                            obj);

                    webSocketData.setResult(result);
                    getWebSocket().send(webSocketData, true);

                    return;

                } catch (Exception ex) {

                    logger.log(Level.WARNING, "Exception occured", ex);
                    getWebSocket().send(MessageBuilder.status().code(400).message(ex.getMessage()).build(), true);

                }

            }

            if (restQuery != null) {

                final RestDataSource restDataSource = new RestDataSource();
                try {
                    securityContext.setRequest(getWebSocket().getRequest());

                    webSocketData.setResult(restDataSource.getData(new RenderContext(securityContext), restQuery));
                    getWebSocket().send(webSocketData, true);

                    return;

                } catch (FrameworkException ex) {
                    Logger.getLogger(SearchCommand.class.getName()).log(Level.SEVERE, null, ex);
                }

            }

        }

        final String sortOrder = webSocketData.getSortOrder();
        final String sortKey = webSocketData.getSortKey();
        final PropertyKey sortProperty = StructrApp.getConfiguration().getPropertyKeyForJSONName(AbstractNode.class,
                sortKey);
        final Query query = StructrApp.getInstance(securityContext).nodeQuery().includeDeletedAndHidden()
                .sort(sortProperty).order("desc".equals(sortOrder));

        query.andName(searchString);

        if (type != null) {
            query.andType(type);
        }

        try {

            // do search
            final Result result = query.getResult();

            // set full result list
            webSocketData.setResult(result.getResults());

            // send only over local connection
            getWebSocket().send(webSocketData, true);

        } catch (FrameworkException fex) {

            logger.log(Level.WARNING, "Exception occured", fex);
            getWebSocket().send(MessageBuilder.status().code(fex.getStatus()).message(fex.getMessage()).build(),
                    true);

        }

    }

    //~--- get methods ----------------------------------------------------
    @Override
    public String getCommand() {

        return "SEARCH";

    }

}