Configurator.java

/*******************************************************************************
 *  Copyright (c)2010 REMAIN B.V. The Netherlands. (http://www.remainsoftware.com).
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  which accompanies this distribution, and is available at
 *  http://www.eclipse.org/legal/epl-v10.html
 * 
 *  Contributors:
 *     Wim Jongman - initial API and implementation 
 *     Ahmed Aadel - initial API and implementation     
 *******************************************************************************/
package org.eclipse.ecf.provider.zookeeper.core.internal;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

import org.eclipse.core.runtime.Assert;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.identity.IDFactory;
import org.eclipse.ecf.discovery.DiscoveryContainerConfig;
import org.eclipse.ecf.provider.zookeeper.core.IDiscoveryConfig;
import org.osgi.framework.ServiceReference;

public class Configurator extends DiscoveryContainerConfig {

	private File zooConfFile;
	private File zookeeperData;
	private List<Configuration> runningConfigs = new ArrayList<Configuration>();
	public static final Configurator INSTANCE = new Configurator();
	private static final ID ConfigID = IDFactory.getDefault().createStringID(
			UUID.randomUUID().toString());

	private Configurator() {
		super(ConfigID);
	}

	public Configuration createConfig(ID targetId) {
		Assert.isNotNull(targetId);
		Configuration conf = new Configuration(targetId);
		runningConfigs.add(conf);
		return conf;
	}

	public Configuration createConfig(ServiceReference reference) {
		Assert.isNotNull(reference);
		Configuration conf = new Configuration(reference);
		runningConfigs.add(conf);
		return conf;
	}

	public Configuration createConfig(String propsAsString) {
		Assert.isNotNull(propsAsString);
		Configuration conf = new Configuration(propsAsString);
		runningConfigs.add(conf);
		return conf;
	}

	public void cleanAll() {
		for (File file : this.zookeeperData.listFiles()) {
			try {
				if (file.isDirectory()) {
					for (File f : file.listFiles())
						f.delete();
				}
				file.delete();
			} catch (Throwable t) {
				continue;
			}
		}
	}

	public String getConfFile() {
		return this.zooConfFile.toString();
	}

	public static boolean isValid(String flavorInput) {
		Assert.isNotNull(flavorInput);
		boolean valid = flavorInput.contains("=");//$NON-NLS-1$
		String f = flavorInput.split("=")[0];//$NON-NLS-1$
		valid &= f.equals(IDiscoveryConfig.ZOODISCOVERY_FLAVOR_CENTRALIZED)
				|| f.equals(IDiscoveryConfig.ZOODISCOVERY_FLAVOR_REPLICATED)
				|| f.equals(IDiscoveryConfig.ZOODISCOVERY_FLAVOR_STANDALONE);
		return valid;
	}

	public static void validateFlavor(String f) {
		if (!isValid(f))
			throw new IllegalArgumentException(f);
	}

	@Override
	public ID getID() {
		return ConfigID;
	}
}