EktorpFactory.java

package jp.aegif.nemaki.bjornloka.proxy;

import java.net.MalformedURLException;

import org.ektorp.CouchDbConnector;
import org.ektorp.CouchDbInstance;
import org.ektorp.http.HttpClient;
import org.ektorp.http.StdHttpClient;
import org.ektorp.impl.StdCouchDbInstance;

public class EktorpFactory implements CouchFactory{
	
	private static final EktorpFactory instance = new EktorpFactory();
	private EktorpFactory(){
		
	}
	
	public static EktorpFactory getInstance(){
		return EktorpFactory.instance;
	}
	
	@Override
	public EktorpProxy createProxy(String url, String repositoryId){
		CouchDbInstance dbInstance = createCouchDbInstance(url);
		CouchDbConnector connector = createConnector(dbInstance, repositoryId);
		
		return new EktorpProxy(dbInstance, connector);
	}
	
	private static CouchDbInstance createCouchDbInstance(String url){
		HttpClient httpClient;
		try {
			httpClient = new StdHttpClient.Builder().url(url)
					.maxConnections(1000).socketTimeout(100000000).build();
			
			
			return new StdCouchDbInstance(httpClient);
		} catch (MalformedURLException e) {
			System.err.println("URL is not well-formed!: " + url);
			e.printStackTrace();
		}
		
		return null;
	}
	
	private static CouchDbConnector createConnector(CouchDbInstance dbInstance, String repositoryId){
		CouchDbConnector connector = dbInstance.createConnector(repositoryId, true);
		return connector;
	}

	@Override
	public boolean initRepository(String url, String repositoryId, boolean force) {
			CouchDbInstance dbInstance = createCouchDbInstance(url);
		
		//Initialize database
		if(dbInstance.checkIfDbExists(repositoryId)){
			if(!force){
				//System.err.println("Repository already exist. Do nothing.");
				return false;
			}
			dbInstance.deleteDatabase(repositoryId);
		}
		dbInstance.createDatabase(repositoryId);
		
		return true;
	}
}