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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * Copyright (C) 2009, 2011 XStream Committers.
 * All rights reserved.
 *
 * The software in this package is published under the terms of the BSD
 * style license a copy of which has been included with this distribution in
 * the LICENSE.txt file.
 * 
 * Created on 15. August 2009 by Joerg Schaible
 */
package com.feilong.lib.xstream.io;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import com.feilong.lib.xstream.io.naming.NameCoder;
import com.feilong.lib.xstream.io.naming.NoNameCoder;

/**
 * Abstract base class for all HierarchicalStreamDriver implementations. Implementations of
 * {@link HierarchicalStreamDriver} should rather be derived from this class then implementing
 * the interface directly.
 * 
 * @author Jörg Schaible
 * @since 1.4
 */
public abstract class AbstractDriver implements HierarchicalStreamDriver{

    private NameCoder replacer;

    /**
     * Creates an AbstractDriver with a NameCoder that does nothing.
     */
    public AbstractDriver(){
        this(new NoNameCoder());
    }

    /**
     * Creates an AbstractDriver with a provided {@link NameCoder}.
     * 
     * @param nameCoder
     *            the name coder for the target format
     */
    public AbstractDriver(NameCoder nameCoder){
        this.replacer = nameCoder;
    }

    protected NameCoder getNameCoder(){
        return replacer;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public HierarchicalStreamReader createReader(URL in){
        InputStream stream = null;
        try{
            stream = in.openStream();
        }catch (IOException e){
            throw new StreamException(e);
        }
        return createReader(stream);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public HierarchicalStreamReader createReader(File in){
        try{
            return createReader(new FileInputStream(in));
        }catch (FileNotFoundException e){
            throw new StreamException(e);
        }
    }
}