package com.coderising.download.impl;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import com.coderising.download.api.Connection;
import com.coderising.download.api.ConnectionException;
import com.coderising.download.api.ConnectionManager;
public class ConnectionManagerImpl implements ConnectionManager {
@Override
public Connection open(String url) throws ConnectionException {
URL urlObj;
ConnectionImpl con = null;
try {
urlObj = new URL(url);
con = new ConnectionImpl(urlObj);
con.setConnection(urlObj.openConnection());
} catch (MalformedURLException e) {
throw new ConnectionException("URL格式错误: " + e.getMessage());
} catch (IOException e) {
throw new ConnectionException("IO异常: " + e.getMessage());
}
return con;
}
}