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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) 2012-2013 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.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import com.jaeksoft.searchlib.Client;
import com.jaeksoft.searchlib.Logging;
import com.jaeksoft.searchlib.SearchLibException;
import com.jaeksoft.searchlib.autocompletion.AutoCompletionItem;
import com.jaeksoft.searchlib.config.Config;
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 TaskBuildAutocompletion extends TaskAbstract {

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

	final private TaskPropertyDef propItemName = new TaskPropertyDef(
			TaskPropertyType.comboBox, "Item name", "Item name", null, 20);

	final private TaskPropertyDef propTimeOut = new TaskPropertyDef(
			TaskPropertyType.textBox, "Time out", "Time out", null, 14400);

	final private TaskPropertyDef[] taskPropertyDefs = { propBuffersize,
			propItemName, propTimeOut };

	@Override
	public String getName() {
		return "Build autocompletion";
	}

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

	@Override
	public String[] getPropertyValues(Config config,
			TaskPropertyDef propertyDef, TaskProperties taskProperties)
			throws SearchLibException {
		List values = new ArrayList(0);
		if (propertyDef == propItemName)
			for (AutoCompletionItem item : config.getAutoCompletionManager()
					.getItems())
				values.add(item.getName());
		return values.size() == 0 ? null : values.toArray(new String[values
				.size()]);
	}

	@Override
	public String getDefaultValue(Config config, TaskPropertyDef propertyDef) {
		if (propertyDef == propBuffersize)
			return "1000";
		if (propertyDef == propTimeOut)
			return "14400";
		if (propertyDef == propItemName) {
			try {
				Iterator iterator = config
						.getAutoCompletionManager().getItems().iterator();
				if (iterator.hasNext())
					return iterator.next().getName();
			} catch (SearchLibException e) {
				Logging.error(e);
			}
		}
		return null;
	}

	@Override
	public void execute(Client client, TaskProperties properties,
			Variables variables, TaskLog taskLog) throws SearchLibException {
		String p = properties.getValue(propBuffersize);
		int bufferSize = 1000;
		if (p != null && p.length() > 0)
			bufferSize = Integer.parseInt(p);
		if (bufferSize <= 0)
			bufferSize = 1000;
		p = properties.getValue(propTimeOut);
		int timeOut = 14400;
		if (p != null && p.length() > 0)
			timeOut = Integer.parseInt(p);
		if (timeOut <= 0)
			timeOut = 14400;
		String name = properties.getValue(propItemName);
		AutoCompletionItem autoCompItem = client.getAutoCompletionManager()
				.getItem(name);
		if (autoCompItem == null)
			throw new SearchLibException("Autocompetion item not found: "
					+ name);
		autoCompItem.build(timeOut, bufferSize, taskLog);
	}
}