de.drv.dsrv.utility.spring.web.LoggingHandlerInterceptor.java Source code

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Here is the source code for de.drv.dsrv.utility.spring.web.LoggingHandlerInterceptor.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 de.drv.dsrv.utility.spring.web;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

public class LoggingHandlerInterceptor extends HandlerInterceptorAdapter {

    private static final String PASSWORT_REGEX = ".*[P|p]asswort.*";

    private static final Log LOG = LogFactory.getLog(LoggingHandlerInterceptor.class);

    @Override
    public boolean preHandle(final HttpServletRequest request, final HttpServletResponse response,
            final Object handler) {
        // Prfe, ob Log-Level aktiviert ist
        if (LOG.isDebugEnabled()) {
            // Schreibe Log-Meldung
            LOG.debug("URL " + request.getRequestURL() + " aufgerufen");

            // Schreibe Parameter
            for (final Object key : request.getParameterMap().keySet()) {
                // Prfe, ob Parameter gltig (ungleich null) ist
                if (key != null) {
                    // Prfe, ob sich um ein Passwort handelt
                    if (key.toString().matches(PASSWORT_REGEX)) {
                        LOG.debug("+ Parameter: " + key.toString() + "=********");
                    } else {
                        LOG.debug("+ Parameter: " + key.toString() + "=" + request.getParameter(key.toString()));
                    }
                }
            }
        }

        // Fhre weitere Verarbeitung durch
        return true;
    }
}