org.agiso.core.i18n.support.spring.MessageSourceAccessorMessageProvider.java Source code

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Here is the source code for org.agiso.core.i18n.support.spring.MessageSourceAccessorMessageProvider.java

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/* org.agiso.core.i18n.support.spring.MessageSourceAccessorMessageProvider (29 pa 2015)
 * 
 * MessageSourceAccessorMessageProvider.java
 * 
 * Copyright 2015 agiso.org
 * 
 * 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 org.agiso.core.i18n.support.spring;

import java.io.Serializable;
import java.util.Locale;

import javax.servlet.ServletContext;

import org.agiso.core.i18n.provider.IMessageProvider;
import org.springframework.context.NoSuchMessageException;
import org.springframework.context.support.MessageSourceAccessor;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * {@link IMessageProvider} rozwijajcy wiadomoci z wykorzystaniem mechanizmw
 * {@link MessageSourceAccessor}'a dostarczanego przez framework Spring.
 * 
 * @author Karol Kopacz
 * @since 1.0
 */
public class MessageSourceAccessorMessageProvider implements IMessageProvider, Serializable {
    private static final long serialVersionUID = 1L;

    private MessageSourceAccessor messageSource;

    //   --------------------------------------------------------------------------
    public MessageSourceAccessorMessageProvider(ServletContext servletContext) {
        messageSource = new MessageSourceAccessor(
                WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext));
    }

    //   --------------------------------------------------------------------------
    @Override
    public String getMessage(String code, Object... args) {
        return messageSource.getMessage(code, args);
    }

    @Override
    public String getMessage(Locale locale, String code, Object... args) {
        return messageSource.getMessage(code, args, locale);
    }

    @Override
    public String getMessageIfExists(String code, Object... args) {
        try {
            return messageSource.getMessage(code, args);
        } catch (NoSuchMessageException nsme) {
            return null;
        }
    }

    @Override
    public String getMessageIfExists(Locale locale, String code, Object... args) {
        try {
            return messageSource.getMessage(code, args, locale);
        } catch (NoSuchMessageException nsme) {
            return null;
        }
    }
}