ConnectionManager.java

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package javaclass.download.api;

/**
 *
 * @author CJ
 */
public interface ConnectionManager {

    /**
     * 给定一个url , 打开一个连接
     *
     * @param url
     * @return
     * @throws javaclass.download.api.ConnectionException
     */
    public Connection open(String url) throws ConnectionException;
}