StorageManagerImpl.java

package org.araqne.storage.engine;

import java.util.ArrayList;
import java.util.List;

import org.apache.felix.ipojo.annotations.Component;
import org.apache.felix.ipojo.annotations.Invalidate;
import org.apache.felix.ipojo.annotations.Provides;
import org.apache.felix.ipojo.annotations.Validate;
import org.araqne.storage.api.FilePath;
import org.araqne.storage.api.StorageManager;
import org.araqne.storage.api.URIResolver;
import org.araqne.storage.localfile.LocalFileURIResolver;

@Component(name = "araqne-storage-manager")
@Provides
public class StorageManagerImpl implements StorageManager {
	private List<URIResolver> uriResolvers;
	
	public StorageManagerImpl() {
		this.uriResolvers = new ArrayList<URIResolver>();
	}
	
	@Override
	public FilePath resolveFilePath(String path) {
		if (path == null)
			return null;
		
		for (URIResolver resolver : uriResolvers) {
			FilePath filePath = resolver.resolveFilePath(path);
			if (filePath != null)
				return filePath;
		}
		
		return null;
	}
	
	@Validate
	@Override
	public void start() {
		addURIResolver(new LocalFileURIResolver());
	}
	
	@Invalidate
	@Override
	public void stop() {
		// TODO : close uri resolvers
		uriResolvers.clear();
	}

	@Override
	public synchronized void addURIResolver(URIResolver r) {
		uriResolvers.add(r);
	}

}