dk.statsbiblioteket.doms.surveillance.surveyor.SurveyorServletUtils.java Source code

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Here is the source code for dk.statsbiblioteket.doms.surveillance.surveyor.SurveyorServletUtils.java

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/*
 * $Id$
 * $Revision$
 * $Date$
 * $Author$
 *
 * The DOMS project.
 * Copyright (C) 2007-2010  The State and University Library
 *
 * 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 dk.statsbiblioteket.doms.surveillance.surveyor;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import dk.statsbiblioteket.util.qa.QAInfo;

import javax.servlet.http.HttpServletRequest;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.Map;

/**
 * Utility method for handling servlet requests.
 */
@QAInfo(author = "kfc", reviewers = "jrg", comment = "Needs review on diff from revision 265", level = QAInfo.Level.NORMAL, state = QAInfo.State.QA_NEEDED)
public class SurveyorServletUtils {
    /** The logger for this class. */
    private static Log log = LogFactory.getLog(SurveyorServletUtils.class);

    /**
     * Handle actions given a servlet request on a surveyor.
     * Will handle requests to mark a log message as handled, and requests
     * never to show a given message again.
     * @param request The request containing the parameters.
     * @param surveyor The surveyor to call the actions on.
     */
    public static void handlePostedParameters(HttpServletRequest request, Surveyor surveyor) {
        log.trace("Enter handlePostedParameters()");
        String applicationName;

        try {
            request.setCharacterEncoding("UTF-8");
        } catch (UnsupportedEncodingException e) {
            //UTF-8 must be supported as per spec.
            throw new Error("UTF-8 unsupported by JVM", e);
        }

        applicationName = request.getParameter("applicationname");
        if (applicationName != null) {
            Map<String, String[]> parameters = request.getParameterMap();
            for (String key : parameters.keySet()) {
                if (key.startsWith("handle:") && Arrays.equals(new String[] { "Handled" }, parameters.get(key))) {
                    surveyor.markHandled(applicationName, key.substring("handle:".length()));
                }
            }
            if (request.getParameter("notagain") != null) {
                surveyor.notAgain(applicationName, request.getParameter("notagain"));
            }
        }
    }
}