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/*******************************************************************************
 * Copyright (c) 2014 Raymond Augé and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Raymond Augé <raymond.auge@liferay.com> - Bug 436698
 ******************************************************************************/

package org.eclipse.equinox.http.servlet.tests.util;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Raymond Augé
 */
public class BaseFilter implements Filter {

	private char c;

	public BaseFilter(char c) {
		this.c = c;
	}

	@Override
	public void destroy() {
		//
	}

	@Override
	public void doFilter(
			ServletRequest request, ServletResponse response,
			FilterChain chain)
		throws IOException, ServletException {

		CharResponseWrapper charResponseWrapper = new CharResponseWrapper(
			(HttpServletResponse) response);

		chain.doFilter(request, charResponseWrapper);

		String output = charResponseWrapper.toString();

		response.setContentLength(output.length() + 2);

		PrintWriter writer = response.getWriter();
		writer.print(c);
		writer.print(output);
		writer.print(c);
		writer.close();
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		//
	}

}

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