package net.fortytwo.ripple.config;
import net.fortytwo.ripple.Ripple;
import net.fortytwo.ripple.RippleException;
import net.fortytwo.ripple.RippleProperties;
import net.fortytwo.ripple.URIMap;
import net.fortytwo.sesametools.readonly.ReadOnlySail;
import net.fortytwo.sesametools.replay.RecorderSail;
import org.openrdf.sail.Sail;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.util.ServiceLoader;
/**
* @author Joshua Shinavier (http://fortytwo.net)
*/
public class SailConfiguration {
private final String sailType;
private final Sail sail;
private final ServiceLoader<SailFactory> loader;
public SailConfiguration() throws RippleException {
this(new URIMap());
}
public SailConfiguration(final URIMap uriMap) throws RippleException {
loader = ServiceLoader.load(SailFactory.class);
RippleProperties props = Ripple.getConfiguration();
sailType = props.getString(Ripple.SAIL_TYPE).trim();
sail = createSail(sailType, uriMap);
}
public Sail getSail() throws RippleException {
return sail;
}
public Sail createSail(final String sailType,
final URIMap uriMap) throws RippleException {
Sail sail = null;
for (SailFactory f : loader) {
if (f.getSailClass().getName().equals(sailType)) {
sail = f.createSail(uriMap, this);
}
}
if (null == sail) {
throw new RippleException("unrecognized Sail type: " + sailType);
}
//System.out.println("creating Sail of type: " + sailType);
String sailLog = Ripple.getConfiguration().getString(Ripple.SAIL_LOG, null);
if (null != sailLog) {
try {
sail = new RecorderSail(sail, new FileOutputStream(sailLog));
// note: base Sail is already initialized
} catch (FileNotFoundException e) {
throw new RippleException(e);
}
}
boolean readOnly = Ripple.getConfiguration().getBoolean(Ripple.READ_ONLY, false);
if (readOnly) {
sail = new ReadOnlySail(sail);
}
return sail;
}
/*public static void main(final String[] args) throws Exception {
URIMap map = new URIMap();
SailConfiguration c = new SailConfiguration(map);
}*/
}