at.struct.wasbugs.wasbug17.TestServlet.java Source code

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Here is the source code for at.struct.wasbugs.wasbug17.TestServlet.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package at.struct.wasbugs.wasbug17;

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.StringUtils;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(urlPatterns = "/test")
public class TestServlet extends HttpServlet {

    @Override
    public void init() throws ServletException {
        // just to trigger an 'old' method which is around since commons-codec-1.0
        Base64.encodeBase64("hallo".getBytes());
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        // this is a rather new method which only got introduced in commons-codec-1.10
        // https://commons.apache.org/proper/commons-codec/apidocs/org/apache/commons/codec/binary/StringUtils.html#equals%28java.lang.CharSequence,%20java.lang.CharSequence%29
        StringUtils.equals("hiho", "you");

        resp.setStatus(HttpServletResponse.SC_OK);
        resp.setContentType("text/plain");
        resp.getWriter().append("OK");
    }
}