bytearrayinterpretor.java

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package servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * 字节数组解析器
 *
 * 根据id,来取得字节数组注册器中的注册项,返回组浏览器
 *
 * @author $author$
 * @version $Revision$
 */
public class ByteArrayInterpretor extends HttpServlet {
    /**
     * DOCUMENT ME!
     *
     * @param request DOCUMENT ME!
     * @param response DOCUMENT ME!
     *
     * @throws ServletException DOCUMENT ME!
     * @throws IOException DOCUMENT ME!
     */
    public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        // 取得注册项id,参见 ByteArrayhelper.registerStream方法.
        String id = request.getParameter("id");

        if (id != null) {
            // 根据id取得注册项
            ByteArrayHelper helper = ByteArrayHelper.getByteArrayHelper(id);

            if (helper != null) {
                ServletOutputStream os = response.getOutputStream();

                // 将注册项中的字节数组返回给浏览器
                os.write(helper.getBytes());
                os.flush();
            }
        }
    }
}