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Flowcentral Configuration Module

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/*
 * Copyright 2021-2024 FlowCentral Technologies Limited.
 * 
 * Licensed 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 com.flowcentraltech.flowcentral.configuration.data;

import java.text.MessageFormat;
import java.util.Properties;

import com.tcdng.unify.core.util.TokenUtils;

/**
 * Configuration messages.
 * 
 * @author FlowCentral Technologies Limited
 * @since 1.0
 */
public class Messages {

    private static final Messages emptyMessages = new Messages();

    private Properties properties;

    public Messages(Properties properties) {
        this.properties = properties;
    }

    private Messages() {
        
    }

    public String resolveMessage(String msg, Object... params) {
        if (msg != null) {
            if (properties != null && TokenUtils.isMessageToken(msg)) {
                msg =  properties.getProperty(TokenUtils.extractTokenValue(msg));
                if (msg != null && params != null && params.length > 0) {
                        return MessageFormat.format(msg, params);
                }
                
                return msg;
            }
        }

        return null;
    }

    public static Messages emptyMessages() {
        return emptyMessages;
    }
}