com.nominanuda.springmvc.QueryParamLocaleResolver.java Source code

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Here is the source code for com.nominanuda.springmvc.QueryParamLocaleResolver.java

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/*
 * Copyright 2008-2011 the original author or authors.
 * 
 * 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.nominanuda.springmvc;

import java.util.Locale;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.util.StringUtils;
import org.springframework.web.servlet.i18n.AbstractLocaleResolver;

import com.nominanuda.lang.Check;

public class QueryParamLocaleResolver extends AbstractLocaleResolver {
    private String paramName = "lang";

    public Locale resolveLocale(HttpServletRequest request) {
        String lang = request.getParameter(paramName);
        if (lang != null) {
            Locale locale = StringUtils.parseLocaleString(lang);
            return locale;
        }
        return getDefaultLocale();
    }

    public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) {
        Check.unsupportedoperation.fail();
    }

}