memoryresponsewrapper.java

利用servlet写的用户注册登陆

package com.tarena.filter;

import java.io.CharArrayWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;

import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;

public class MemoryResponseWrapper extends HttpServletResponseWrapper {
	private Writer caw = new CharArrayWriter();

	public MemoryResponseWrapper(HttpServletResponse response) {
		super(response);
	}

	@Override
	public PrintWriter getWriter() throws IOException {
		return new PrintWriter(caw);
	}

	public String getContents() {
		return caw.toString();
	}

}