nobodyoutputstream.java

java servlet2.5 源码,对于学习servlet机制的人大为有用．

// Decompiled by DJ v3.8.8.85 Copyright 2005 Atanas Neshkov  Date: 2007-7-29 14:29:34
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// Decompiler options: packimports(3) 
// Source File Name:   HttpServlet.java

package javax.servlet.http;

import java.io.IOException;
import java.util.ResourceBundle;
import javax.servlet.ServletOutputStream;

class NoBodyOutputStream extends ServletOutputStream
{

    NoBodyOutputStream()
    {
        contentLength = 0;
    }

    int getContentLength()
    {
        return contentLength;
    }

    public void write(int b)
    {
        contentLength++;
    }

    public void write(byte buf[], int offset, int len)
        throws IOException
    {
        if(len >= 0)
        {
            contentLength += len;
        } else
        {
            String msg = lStrings.getString("err.io.negativelength");
            throw new IOException("negative length");
        }
    }

    private static final String LSTRING_FILE = "javax.servlet.http.LocalStrings";
    private static ResourceBundle lStrings = ResourceBundle.getBundle("javax.servlet.http.LocalStrings");
    private int contentLength;

}