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package cicada.filesystem;

import java.io.IOException;
import java.util.Map;
import org.csource.common.MyException;
import org.springframework.stereotype.Component;
import cicada.core.PropertyResolverCustom;
import cicada.core.config.ConfigManager;
import cicada.filesystem.distributed.FileSystemImplDistributed;
import cicada.filesystem.local.FileSystemImplLocal;

@Component
public class FileSystemImpl implements FileSystem
{
	private final String typeConfigName = "Cicada.FileSystem.Type";

	private FileSystem _fileSystem = null;

	public FileSystemImpl() throws Exception
	{
		String cicadaPath=ConfigManager.getCicadaConfigPath();
		Map configurationDataRespository = PropertyResolverCustom.getConfigProperties(cicadaPath);
		String text = configurationDataRespository.get(typeConfigName);
		if (text == null || text.isEmpty())
		{
			text = "local";
		}

		text = text.toLowerCase();
		if (text.equals("local"))
		{
			_fileSystem = new FileSystemImplLocal(configurationDataRespository);
			return;
		}
		else if (text.equals("distributed"))
		{
			_fileSystem = new FileSystemImplDistributed(configurationDataRespository);
			return;
		}
		throw new Exception(String.format("您配置的文件系统类型无效，请配置%s节点", typeConfigName));
	}

	@Override
	public String upload(byte[] data, String fileExt) throws Exception
	{
		return this._fileSystem.upload(data, fileExt, 0);
	}

	@Override
	public String upload1(byte[] data, String fileName) throws IOException, MyException, Exception
	{
		return this._fileSystem.upload1(data, fileName, 0);
	}

	@Override
	public String upload(byte[] data, String fileExt, int resultPathType) throws Exception
	{
		return this._fileSystem.upload(data, fileExt, resultPathType);
	}

	@Override
	public String upload1(byte[] data, String fileName, int resultPathType) throws IOException, MyException, Exception
	{
		return this._fileSystem.upload1(data, fileName, resultPathType);
	}

	@Override
	public byte[] download(String fileName) throws IOException, MyException, Exception
	{
		return this._fileSystem.download(fileName);
	}

	@Override
	public boolean remove(String fileName) throws Exception
	{
		return this._fileSystem.remove(fileName);
	}
}