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ActiveMQ example source code file (FilenameGuardFilter.java)

This example ActiveMQ source code file (FilenameGuardFilter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

filenameguardfilter, filterchain, guardedhttpservletrequest, guardedhttpservletrequest, http, httpservletrequest, httpservletrequest, httpservletrequestwrapper, io, ioexception, logger, override, override, request, response, servlet, servletexception, string, string

The ActiveMQ FilenameGuardFilter.java source code

/**
 * 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 org.apache.activemq.util;

import java.io.IOException;

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.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


public class FilenameGuardFilter implements Filter {

    private static final Logger LOG = LoggerFactory.getLogger(FilenameGuardFilter.class);
    
    public void destroy() {
        // nothing to destroy
    }

    public void init(FilterConfig config) throws ServletException {
        // nothing to init
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        if (request instanceof HttpServletRequest) {
            HttpServletRequest httpRequest = (HttpServletRequest)request;
            GuardedHttpServletRequest guardedRequest = new GuardedHttpServletRequest(httpRequest);
            chain.doFilter(guardedRequest, response);
        } else {
            chain.doFilter(request, response);
        }
    }

    private static class GuardedHttpServletRequest extends HttpServletRequestWrapper {

        public GuardedHttpServletRequest(HttpServletRequest httpRequest) {
            super(httpRequest);
        }

        private String guard(String filename) {
            String guarded = filename.replace(":", "_");
            if (LOG.isDebugEnabled()) {
                LOG.debug("guarded " + filename + " to " + guarded);
            }
            return guarded;
        }

        @Override
        public String getParameter(String name) {
            if (name.equals("Destination")) {
                return guard(super.getParameter(name));
            } else {
                return super.getParameter(name);
            }
        }

        @Override
        public String getPathInfo() {
            return guard(super.getPathInfo());
        }

        @Override
        public String getPathTranslated() {
            return guard(super.getPathTranslated());
        }

        @Override
        public String getRequestURI() {
            return guard(super.getRequestURI());
        }
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ FilenameGuardFilter.java source code file:

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