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 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * Portions Copyright Apache Software Foundation.
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 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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 * elects to include this software in this distribution under the [CDDL or GPL
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package org.apache.jasper.compiler;

import java.util.*;
import java.io.*;
import java.text.MessageFormat;
import org.xml.sax.*;
import org.apache.jasper.JasperException;

/**
 * Class responsible for converting error codes to corresponding localized
 * error messages.
 *
 * @author Jan Luehe
 */
public class Localizer {

    private static final ResourceBundle bundle = ResourceBundle.getBundle(
        "org.apache.jasper.resources.messages");

    /*
     * Returns the localized error message corresponding to the given error
     * code.
     *
     * If the given error code is not defined in the resource bundle for
     * localized error messages, it is used as the error message.
     *
     * @param errCode Error code to localize
     * 
     * @return Localized error message
     */
    public static String getMessage(String errCode) {
	String errMsg = errCode;
	try {
	    errMsg = bundle.getString(errCode);
	} catch (MissingResourceException e) {
	}
	return errMsg;
    }

    /* 
     * Returns the localized error message corresponding to the given error
     * code.
     *
     * If the given error code is not defined in the resource bundle for
     * localized error messages, it is used as the error message.
     *
     * @param errCode Error code to localize
     * @param arg Argument for parametric replacement
     *
     * @return Localized error message
     */
    public static String getMessage(String errCode, String arg) {
	return getMessage(errCode, new Object[] {arg});
    }

    /* 
     * Returns the localized error message corresponding to the given error
     * code.
     *
     * If the given error code is not defined in the resource bundle for
     * localized error messages, it is used as the error message.
     *
     * @param errCode Error code to localize
     * @param arg1 First argument for parametric replacement
     * @param arg2 Second argument for parametric replacement
     *
     * @return Localized error message
     */
    public static String getMessage(String errCode, String arg1, String arg2) {
	return getMessage(errCode, new Object[] {arg1, arg2});
    }
    
    /* 
     * Returns the localized error message corresponding to the given error
     * code.
     *
     * If the given error code is not defined in the resource bundle for
     * localized error messages, it is used as the error message.
     *
     * @param errCode Error code to localize
     * @param arg1 First argument for parametric replacement
     * @param arg2 Second argument for parametric replacement
     * @param arg3 Third argument for parametric replacement
     *
     * @return Localized error message
     */
    public static String getMessage(String errCode, String arg1, String arg2,
				    String arg3) {
	return getMessage(errCode, new Object[] {arg1, arg2, arg3});
    }

    /* 
     * Returns the localized error message corresponding to the given error
     * code.
     *
     * If the given error code is not defined in the resource bundle for
     * localized error messages, it is used as the error message.
     *
     * @param errCode Error code to localize
     * @param arg1 First argument for parametric replacement
     * @param arg2 Second argument for parametric replacement
     * @param arg3 Third argument for parametric replacement
     * @param arg4 Fourth argument for parametric replacement
     *
     * @return Localized error message
     */
    public static String getMessage(String errCode, String arg1, String arg2,
				    String arg3, String arg4) {
	return getMessage(errCode, new Object[] {arg1, arg2, arg3, arg4});
    }

    /*
     * Returns the localized error message corresponding to the given error
     * code.
     *
     * If the given error code is not defined in the resource bundle for
     * localized error messages, it is used as the error message.
     *
     * @param errCode Error code to localize
     * @param args Arguments for parametric replacement
     *
     * @return Localized error message
     */
    public static String getMessage(String errCode, Object[] args) {
	String errMsg = errCode;
	try {
	    errMsg = bundle.getString(errCode);
	    if (args != null) {
		MessageFormat formatter = new MessageFormat(errMsg);
		errMsg = formatter.format(args);
	    }
	} catch (MissingResourceException e) {
	}
	
	return errMsg;
    }
}




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