org.kawanfw.sql.tomcat.ServletParametersStore Maven / Gradle / Ivy

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/*
 * This file is part of AceQL. 
 * AceQL: Remote JDBC access over HTTP.                                     
 * Copyright (C) 2015,  KawanSoft SAS
 * (http://www.kawansoft.com). All rights reserved.                                
 *                                                                               
 * AceQL is free software; you can redistribute it and/or                 
 * modify it under the terms of the GNU Lesser General Public                    
 * License as published by the Free Software Foundation; either                  
 * version 2.1 of the License, or (at your option) any later version.            
 *                                                                               
 * AceQL is distributed in the hope that it will be useful,               
 * but WITHOUT ANY WARRANTY; without even the implied warranty of                
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             
 * Lesser General Public License for more details.                               
 *                                                                               
 * You should have received a copy of the GNU Lesser General Public              
 * License along with this library; if not, write to the Free Software           
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  
 * 02110-1301  USA
 *
 * Any modifications to this file must keep this entire header
 * intact.
 */
package org.kawanfw.sql.tomcat;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

/**
 *
 * Class to store statically the parameter names & values for the Server SQL
 * Manager Servlets
 * 
 * @author Nicolas de Pomereu
 *
 */
public class ServletParametersStore {

    /** The (Servlet Name, DataSource) Map */
    private static Map> initParameterseMap = new HashMap>();

    /**
     * no instantiation
     */
    private ServletParametersStore() {

    }

    /**
     * Stores an init parameter name and value for a specified servlet.
     * 
     * @param servletName
     *            the servlet to store tarameter name and value for
     * @param InitParamNameValuePair
     *            the init paramater name and value
     */
    public static void setInitParameter(String servletName,
	    InitParamNameValuePair initParamNameValuePair) {
	Set initParamNameValuePairSet = initParameterseMap
		.get(servletName);

	if (initParamNameValuePairSet == null) {
	    initParamNameValuePairSet = new TreeSet();
	}

	initParamNameValuePairSet.add(initParamNameValuePair);
	initParameterseMap.put(servletName, initParamNameValuePairSet);

    }

    /**
     * Returns an init paramater value for a (servlet name, init parameter
     * couple)
     * 
     * @param servletName
     *            the servlet name to return the init parameter for
     * @param initParamName
     *            the init parameter name
     * @return the init parameter value
     */
    public static String getInitParameter(String servletName,
	    String initParamName) {
	Set initParamNameValuePairSet = initParameterseMap
		.get(servletName);

	if (initParamNameValuePairSet == null) {
	    return null;
	}

	for (InitParamNameValuePair initParamNameValuePair : initParamNameValuePairSet) {
	    if (initParamNameValuePair.getName().equals(initParamName)) {
		return initParamNameValuePair.getValue();
	    }
	}

	return null;

    }

}