package ca.carleton.gcrc.couch.client;
import java.net.URL;
import java.util.Properties;
import ca.carleton.gcrc.couch.client.impl.CouchClientImpl;
import ca.carleton.gcrc.couch.client.impl.CouchContextNull;
import ca.carleton.gcrc.couch.client.impl.CouchContextUsernamePassword;
import ca.carleton.gcrc.couch.client.impl.CouchDbImpl;
import ca.carleton.gcrc.couch.client.impl.CouchServerVersionImpl;
public class CouchFactory {
public CouchContext getContext() {
return new CouchContextNull();
}
public CouchContext getContext(String username, char[] password) {
return new CouchContextUsernamePassword(username, password);
}
public CouchClient getClient(CouchContext context, URL url) throws Exception {
CouchClientImpl client = new CouchClientImpl(context, url);
return client;
}
public CouchClient getClient(CouchContext context, URL url, int versionMajor, int versionMinor) throws Exception {
CouchClientImpl client = new CouchClientImpl(context, url);
CouchServerVersionImpl serverVersion = new CouchServerVersionImpl(""+versionMajor+"."+versionMinor,versionMajor, versionMinor);
client.setVersion(serverVersion);
return client;
}
public CouchClient getClient(CouchContext context, CouchClient clonedClient) throws Exception {
CouchClientImpl client = new CouchClientImpl(context, clonedClient.getUrl());
client.setVersion(clonedClient.getVersion());
return client;
}
public CouchClient getClient(Properties props) throws Exception {
String urlString = props.getProperty("couchdb.server");
String user = props.getProperty("couchdb.user");
String password = props.getProperty("couchdb.password");
String version = props.getProperty("couchdb.version");
// Figure out context
CouchContext context = getContext();
if( null != user && null != password ) {
context = getContext(user,password.toCharArray());
}
// Figure out version
CouchServerVersionImpl serverVersion = null;
if( null != version ) {
String[] parts = version.split("\\.");
if( parts.length < 2 ) {
throw new Exception("Can not parse server version: "+version);
}
serverVersion = new CouchServerVersionImpl(version, Integer.parseInt(parts[0]), Integer.parseInt(parts[1]));
}
// Compute URL
URL url = new URL(urlString);
// Instantiate client
CouchClientImpl client = new CouchClientImpl(context, url);
if( null != serverVersion ) {
client.setVersion(serverVersion);
}
return client;
}
public CouchDb getDb(CouchClient client, String dbName) throws Exception {
// Compute URL
URL url = new URL(client.getUrl(), dbName+"/");
return getDb(client, url);
}
public CouchDb getDb(CouchClient client, URL dbUrl) throws Exception {
CouchDbImpl couchDb = new CouchDbImpl(client, dbUrl);
return couchDb;
}
public CouchDb getDb(CouchContext context, CouchDb clonedDb) throws Exception {
CouchClient client = getClient(context, clonedDb.getClient());
CouchDbImpl couchDb = new CouchDbImpl(client, clonedDb.getUrl());
return couchDb;
}
}