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OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, ...) and the REST/RESTFul API you will be able to integrate quickly and easily advanced full-text search capabilities in your application. OpenSearchServer runs on Windows and Linux/Unix/BSD.
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/**   
 * License Agreement for OpenSearchServer
 *
 * Copyright (C) 2010-2013 Emmanuel Keller / Jaeksoft
 * 
 * http://www.open-search-server.com
 * 
 * This file is part of OpenSearchServer.
 *
 * OpenSearchServer is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 * OpenSearchServer 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 General Public License
 *  along with OpenSearchServer. 
 *  If not, see .
 **/

package com.jaeksoft.searchlib.scheduler.task;

import java.io.IOException;

import com.jaeksoft.searchlib.Client;
import com.jaeksoft.searchlib.SearchLibException;
import com.jaeksoft.searchlib.config.Config;
import com.jaeksoft.searchlib.crawler.common.database.FetchStatus;
import com.jaeksoft.searchlib.crawler.common.database.IndexStatus;
import com.jaeksoft.searchlib.crawler.common.database.ParserStatus;
import com.jaeksoft.searchlib.crawler.web.database.RobotsTxtStatus;
import com.jaeksoft.searchlib.crawler.web.database.UrlManager;
import com.jaeksoft.searchlib.request.AbstractSearchRequest;
import com.jaeksoft.searchlib.scheduler.TaskAbstract;
import com.jaeksoft.searchlib.scheduler.TaskLog;
import com.jaeksoft.searchlib.scheduler.TaskProperties;
import com.jaeksoft.searchlib.scheduler.TaskPropertyDef;
import com.jaeksoft.searchlib.scheduler.TaskPropertyType;
import com.jaeksoft.searchlib.util.Variables;

public class TaskUrlManagerAction extends TaskAbstract {

	final private TaskPropertyDef propCommand = new TaskPropertyDef(
			TaskPropertyType.comboBox, "Command", "Command",
			"Select the command to execute", 30);

	final private TaskPropertyDef propRobotsTxtStatus = new TaskPropertyDef(
			TaskPropertyType.listBox, "Robots.txt status", "Robots.txt status",
			"Filter on the Robots.txt status", 20);

	final private TaskPropertyDef propFetchStatus = new TaskPropertyDef(
			TaskPropertyType.listBox, "Fetch status", "Fetch status",
			"Filter on the fetch status", 20);

	final private TaskPropertyDef propParserStatus = new TaskPropertyDef(
			TaskPropertyType.listBox, "Parser status", "Parser status",
			"Filter on the Parser status", 20);

	final private TaskPropertyDef propIndexStatus = new TaskPropertyDef(
			TaskPropertyType.listBox, "Index status", "Index status",
			"Filter on the index status", 20);

	final private TaskPropertyDef propBufferSize = new TaskPropertyDef(
			TaskPropertyType.textBox, "Buffer size", "Buffer size",
			"Buffer size", 10);

	final private TaskPropertyDef[] taskPropertyDefs = { propCommand,
			propRobotsTxtStatus, propFetchStatus, propParserStatus,
			propIndexStatus, propBufferSize };

	final public static String CommandDoNothing = "Do nothing";
	final public static String CommandDeleteAll = "Delete all";
	final public static String CommandDeleteSelection = "Delete selection";
	final public static String CommandLoadSitemap = "Load Sitemap(s)";
	final public static String CommandOptimize = "Optimize";
	final public static String CommandSynchronize = "Synchronize";

	final private static String[] CommandList = { CommandDoNothing,
			CommandDeleteSelection, CommandDeleteAll, CommandLoadSitemap,
			CommandSynchronize, CommandOptimize };

	@Override
	public String getName() {
		return "Web crawler - URL database";
	}

	@Override
	public TaskPropertyDef[] getPropertyList() {
		return taskPropertyDefs;
	}

	@Override
	public String[] getPropertyValues(Config config,
			TaskPropertyDef propertyDef, TaskProperties taskProperties) {
		if (propertyDef == propCommand)
			return CommandList;
		else if (propertyDef == propRobotsTxtStatus)
			return RobotsTxtStatus.getNames();
		else if (propertyDef == propFetchStatus)
			return FetchStatus.getNames();
		else if (propertyDef == propParserStatus)
			return ParserStatus.getNames();
		else if (propertyDef == propIndexStatus)
			return IndexStatus.getNames();
		return null;
	}

	@Override
	public String getDefaultValue(Config config, TaskPropertyDef propertyDef) {
		if (propertyDef == propCommand)
			return CommandList[0];
		else if (propertyDef == propRobotsTxtStatus)
			return RobotsTxtStatus.ALL.name;
		else if (propertyDef == propFetchStatus)
			return FetchStatus.ALL.name;
		else if (propertyDef == propParserStatus)
			return ParserStatus.ALL.name;
		else if (propertyDef == propIndexStatus)
			return IndexStatus.ALL.name;
		else if (propertyDef == propBufferSize)
			return "10000";
		return null;
	}

	private AbstractSearchRequest selectionRequest = null;

	private FetchStatus setToFetchStatus = null;

	private String manualCommand = null;

	private Integer manualBufferSize = null;

	public void setManual(AbstractSearchRequest selectionRequest,
			FetchStatus setToFetchStatus, String manualCommand, int bufferSize) {
		this.selectionRequest = selectionRequest;
		this.setToFetchStatus = setToFetchStatus;
		this.manualCommand = manualCommand;
		this.manualBufferSize = bufferSize;
	}

	@Override
	public void execute(Client client, TaskProperties properties,
			Variables variables, TaskLog taskLog) throws SearchLibException,
			IOException {
		UrlManager urlManager = client.getUrlManager();
		taskLog.setInfo("URL manager Action started");

		String command = manualCommand != null ? manualCommand : properties
				.getValue(propCommand);
		int bufferSize = manualBufferSize != null ? manualBufferSize : Integer
				.parseInt(properties.getValue(propBufferSize));

		if (selectionRequest != null && setToFetchStatus != null) {
			taskLog.setInfo("URL manager: set selection to: "
					+ setToFetchStatus.getName());
			urlManager.updateFetchStatus(selectionRequest, setToFetchStatus,
					bufferSize, taskLog);
			return;
		}
		RobotsTxtStatus robotsTxtStatus = RobotsTxtStatus.findByName(properties
				.getValue(propRobotsTxtStatus));
		FetchStatus fetchStatus = FetchStatus.findByName(properties
				.getValue(propFetchStatus));
		ParserStatus parserStatus = ParserStatus.findByName(properties
				.getValue(propParserStatus));
		IndexStatus indexStatus = IndexStatus.findByName(properties
				.getValue(propIndexStatus));
		if (selectionRequest == null)
			selectionRequest = urlManager.getSearchRequest(
					UrlManager.SearchTemplate.urlSearch, null, null, false,
					null, null, null, null, null, null, null, robotsTxtStatus,
					fetchStatus, null, parserStatus, indexStatus, null, null,
					null, null);
		if (CommandLoadSitemap.equals(command)) {
			taskLog.setInfo("URL manager: Handle SiteMaps");
			urlManager.updateSiteMap(taskLog);
		} else if (CommandDeleteAll.equals(command)) {
			taskLog.setInfo("URL manager: Delete All");
			urlManager.deleteAll(taskLog);
		} else if (CommandDeleteSelection.equals(command)) {
			taskLog.setInfo("URL manager: Delete selection");
			urlManager.deleteUrls(selectionRequest, bufferSize, taskLog);
		} else if (CommandOptimize.equals(command)) {
			taskLog.setInfo("URL manager: optimize");
			urlManager.reload(true, taskLog);
		} else if (CommandSynchronize.equals(command)) {
			taskLog.setInfo("URL manager: synchronize");
			urlManager.synchronizeIndex(selectionRequest, bufferSize, taskLog);
		}
	}
}