request.java

在首次运行时

package htmlbrowser;

import java.io.InputStream;

public class Request
{
    public Request()
    {

    }

    private InputStream input;
    private String uri;
    public Request(InputStream input)
    {
        this.input = input;
    }

    public void parse()//取得请求信息
    {
        StringBuffer request = new StringBuffer(2048);
        int i;
        byte[] buffer = new byte[2048];
        try
        {
            i = input.read(buffer);
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
            i = -1;
        }
        for (int j = 0; j < i; j++)
        {
            request.append((char) buffer[j]);
        }
        System.out.println(request.toString());
        uri = parseUri(request.toString());

        System.out.println("用户请求："+this.getUri());

    }

    private String parseUri(String requestString)//分析请求信息，并返回
    {
        int index1, index2;
        index1 = requestString.indexOf(" ");

        if (index1 != -1)
        {
            index2 = requestString.indexOf(" ", index1 + 1);

            if (index2 > index1)
            {
                return requestString.substring(index1 + 1, index2);
            }

        }
        return null;
    }

    public String getUri()
    {
        if (uri.compareTo("/")==0)
        {
            uri="/index.htm";
        }
        if (uri.indexOf(".")==-1)
        {
            uri+=".htm";
        }
        return uri;
    }


}