org.agiso.core.i18n.support.spring.I18nUtilsMessageSourceProxy.java Source code

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Here is the source code for org.agiso.core.i18n.support.spring.I18nUtilsMessageSourceProxy.java

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/* org.agiso.core.i18n.support.spring.I18nUtilsMessageSourceProxy (29 pa 2015)
 * 
 * I18nUtilsMessageSourceProxy.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.util.Locale;

import javax.annotation.PreDestroy;

import org.agiso.core.i18n.provider.ILocaleProvider;
import org.agiso.core.i18n.provider.IMessageProvider;
import org.agiso.core.i18n.util.I18nUtils;
import org.springframework.context.MessageSource;
import org.springframework.context.MessageSourceResolvable;
import org.springframework.context.NoSuchMessageException;

/**
 * Porednik {@link MessageSource} wykorzystujcy mechanizmy I18nUtils.
 * 
 * @author Karol Kopacz
 * @since 1.0
 */
public class I18nUtilsMessageSourceProxy implements MessageSource {
    private final MessageSource targetMessageSource;

    private final ILocaleProvider orgLocaleProvider;
    private final IMessageProvider[] orgMessageProviders;

    //   --------------------------------------------------------------------------
    public I18nUtilsMessageSourceProxy(MessageSource targetMessageSource) {
        this(targetMessageSource, new LocaleContextHolderLocaleProvider());
    }

    public I18nUtilsMessageSourceProxy(MessageSource targetMessageSource, ILocaleProvider localeProvider) {
        this.targetMessageSource = targetMessageSource;

        this.orgLocaleProvider = I18nUtils.getLocaleProvider();
        I18nUtils.setLocaleProvider(localeProvider);

        this.orgMessageProviders = I18nUtils.getMessageProviders();
        I18nUtils.setMessageProvider(new MessageSourceMessageProvider(this.targetMessageSource));
    }

    //   --------------------------------------------------------------------------
    @PreDestroy
    public void cleanUp() throws Exception {
        I18nUtils.setLocaleProvider(orgLocaleProvider);
        I18nUtils.setMessageProviders(orgMessageProviders);
    }

    //   --------------------------------------------------------------------------
    @Override
    public String getMessage(MessageSourceResolvable resolvable, Locale locale) throws NoSuchMessageException {
        return targetMessageSource.getMessage(resolvable, locale);
    }

    @Override
    public String getMessage(String code, Object[] args, Locale locale) throws NoSuchMessageException {
        return targetMessageSource.getMessage(code, args, locale);
    }

    @Override
    public String getMessage(String code, Object[] args, String defaultMessage, Locale locale) {
        return targetMessageSource.getMessage(code, args, defaultMessage, locale);
    }
}