com.bazaarvoice.seo.sdk.util.BVMessageUtil.java Source code

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Here is the source code for com.bazaarvoice.seo.sdk.util.BVMessageUtil.java

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/*
 * ===========================================================================
 * Copyright 2014 Bazaarvoice, Inc.
 * 
 * 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.bazaarvoice.seo.sdk.util;

import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.apache.commons.lang3.StringUtils;

import com.bazaarvoice.seo.sdk.exception.BVSdkException;

/**
 * Utiltiy class to read and get the message from resource bundle.
 * 
 * @author Anandan Narayanaswamy
 *
 */
public final class BVMessageUtil {

    private static ResourceBundle _rsrcBundle;

    static {
        _rsrcBundle = ResourceBundle.getBundle("message", Locale.US);
    }

    private BVMessageUtil() {

    }

    /**
     * Gets the message from resource bundle.
     * Pass the message code including error code and you should get a message
     * that is in the resource bundle message_en_US.properties file.
     * Gives back the same message code if it is not configured in resource bundle.
     * 
     * throws {@link MissingResourceException}
     * @param code
     * @return message from resource bundle.
     */
    public static String getMessage(String code) {
        if (StringUtils.isBlank(code)) {
            throw new BVSdkException("ERR0001");
        }

        String message = null;
        try {
            message = _rsrcBundle.getString(code);
        } catch (RuntimeException ex) {
            message = code;
        }

        return message;
    }

    @Override
    protected Object clone() throws CloneNotSupportedException {
        throw new CloneNotSupportedException("This is a singleton instance.");
    }
}